feat: add Datenschutzerklärung and Konto löschen pages

- Created datenschutz.vue for the privacy policy with sections on data protection, responsible entity, data processing, rights, and contact information. - Created konto-loeschen.vue for account deletion requests, detailing the process, affected data, and processing time. - Added anonymize-playstore-screenshot.sh script for image anonymization using ImageMagick. - Introduced playstore-assets.mjs for generating Play Store assets, including icons and feature graphics, using sharp. - Added playstore-assets.sh script to execute the asset generation script.
feat: implement production release configuration and signing for Play Store
2026-05-29 16:51:36 +02:00 · 2026-05-29 16:39:59 +02:00 · 2026-05-29 16:13:08 +02:00 · 2026-05-29 15:37:45 +02:00 · 2026-05-29 10:55:59 +02:00 · 2026-05-29 08:52:03 +02:00
178 changed files with 12449 additions and 999 deletions
--- a/ANDROID_KOTLIN_PLAN.md
+++ b/ANDROID_KOTLIN_PLAN.md
@@ -41,7 +41,7 @@ Kurz: Ziel ist eine native Android-App mit Kotlin + Jetpack Compose, die die Web
 [x] 4. CI-Build: Gradle-Config und GitHub Actions Skeleton
 [x] 5. Theme: `Color.kt`, `Typography.kt`, `Theme.kt` erstellen und Tailwind-Farben mappen
 [x] 6. Fonts: Inter + Montserrat einbinden (res/font oder GoogleFonts)
- [ ] 7. Navigation: Compose Navigation-Graph mit Routen für alle Web-Seiten anlegen
+ [x] 7. Navigation: Compose Navigation-Graph mit Routen für alle Web-Seiten anlegen
 [x] 7a. Umgebungen: Android-Varianten fuer lokal, Test-Instanz und Produktion mit eigener API-Basis konfigurieren
 [x] 7b. Adaptive Navigation: Tablet mit persistentem Header/Hauptmenue, Smartphone mit bestehender screenbezogener Navigation
 [x] 7c. Branding: vorhandenes Web-Logo als optimierte Android-Ressource in der App-Navigation verwenden
@@ -69,76 +69,103 @@ Kurz: Ziel ist eine native Android-App mit Kotlin + Jetpack Compose, die die Web
     - [x] `/training/trainer`
     - [x] `/training/anfaenger`
     - [x] `/tt-regeln`: Regelübersicht mit DTTB- und PDF-Aufruf
- [ ] 10a. Weitere öffentliche bzw. bestehende Web-Routen prüfen und portieren
-     - [ ] `/anlagen`
-     - [ ] `/impressum`
-     - [ ] Legacy-/Doppelrouten klären: `/galerie`, `/geschichte`, `/satzung`, `/ueber-uns`, `/spielplan`, `/verein/tt-regeln`, `/mannschaft/[slug]`, `/mannschaften/herren`, `/mannschaften/damen`, `/mannschaften/jugend`
- [ ] 10b. Newsletter-Screens portieren
-     - [ ] `/newsletter/subscribe`
-     - [ ] `/newsletter/unsubscribe`
-     - [ ] `/newsletter/confirm`, `/newsletter/confirmed`, `/newsletter/unsubscribed`
+ [x] 10a. Weitere öffentliche bzw. bestehende Web-Routen prüfen und portieren
+     - [x] `/impressum`
+     - [x] Legacy-/Doppelrouten geklärt: `/galerie`, `/geschichte`, `/satzung`, `/ueber-uns`, `/spielplan`, `/verein/tt-regeln`, `/mannschaft/[slug]`, `/mannschaften/herren`, `/mannschaften/damen`, `/mannschaften/jugend`
+ [x] 10b. Newsletter-Screens portieren
+     - [x] `/newsletter/subscribe`
+     - [x] `/newsletter/unsubscribe`
+     - [x] `/newsletter/confirm`, `/newsletter/confirmed`, `/newsletter/unsubscribed`
 [x] 10c. Auth-Screens portieren
     - [x] `/login`: Passwort-Login und Logout in der laufenden Sitzung
     - [x] `/registrieren`
     - [x] `/passwort-vergessen`
- [ ] 10d. Mitgliederbereich portieren
-     - [ ] `/mitgliederbereich`: Übersicht
-     - [ ] `/mitgliederbereich/mitglieder`
-     - [ ] `/mitgliederbereich/news`
-     - [ ] `/mitgliederbereich/profil`
-     - [ ] `/mitgliederbereich/api`
- [ ] 10e. CMS-Screens nach Rollenberechtigung portieren
-     - [ ] `/cms`, `/cms/startseite`, `/cms/inhalte`, `/cms/vereinsmeisterschaften`
-     - [ ] `/cms/sportbetrieb`, `/cms/mitgliederverwaltung`, `/cms/kontaktanfragen`
-     - [ ] `/cms/newsletter`, `/cms/einstellungen`, `/cms/benutzer`
- [ ] 11. API-Client: Retrofit/Ktor-Client implementieren, Auth-Interceptor (Token Refresh)
+ [x] 10d. Mitgliederbereich portieren
+     - [x] `/mitgliederbereich`: Übersicht
+     - [x] `/mitgliederbereich/mitglieder`
+     - [x] `/mitgliederbereich/news`
+     - [x] `/mitgliederbereich/profil`
+     - [x] `/mitgliederbereich/api`
+ [x] 10e. CMS-Screens nach Rollenberechtigung portieren
+     - [x] `/cms`, `/cms/startseite`, `/cms/inhalte`, `/cms/vereinsmeisterschaften`
+     - [x] `/cms/sportbetrieb`, `/cms/mitgliederverwaltung`, `/cms/kontaktanfragen`
+     - [x] `/cms/newsletter`, `/cms/einstellungen`, `/cms/benutzer`
+ [x] 11. API-Client: Retrofit/Ktor-Client implementieren, Auth-Interceptor (Token Refresh)
     - [x] Retrofit/OkHttp/Moshi und Hilt-Verdrahtung
     - [x] Öffentliche Endpunkte für Startseite, Termine, Spielplan, Galerie und Kontakt
     - [x] Mitgliedschafts-PDF-Endpunkte mit Cookie-Jar und `FileProvider`
     - [x] Passwort-Login-Endpunkt und Token-Übergabe an den Interceptor
     - [x] Verschlüsselte Token-Persistenz sowie Status/Logout per Bearer-Token
-     - [ ] Bearer-Unterstützung aller später portierten geschützten Bereiche
-     - [ ] `POST /api/auth/refresh` anbinden und Access-Token bei Ablauf automatisch erneuern
-     - [ ] OkHttp-`Authenticator` mit genau einem synchronisierten Refresh-Versuch pro fehlgeschlagenem Request ergänzen
+     - [x] Bearer-Unterstützung aller später portierten geschützten Bereiche (`/api/profile`, `/api/birthdays`, `/api/members`, `/api/news`, CMS-/Newsletter-/Galerie-Endpunkte erledigt); Web bleibt bewusst Cookie-basiert
+     - [x] `POST /api/auth/refresh` anbinden und Access-Token bei Ablauf automatisch erneuern
+     - [x] OkHttp-`Authenticator` mit genau einem synchronisierten Refresh-Versuch pro fehlgeschlagenem Request ergänzen
 [x] 12. Auth: Login/Register/Logout + sichere Token-Speicherung (EncryptedSharedPreferences)
     - [x] Login/Logout und verschlüsselte Token-Speicherung
     - [x] Registrierung und Passwort-Reset
-     - [ ] Backend: JWT-Access-Token von aktuell 7 Tagen auf kurze Laufzeit (Ziel: ca. 15 Minuten) reduzieren
-     - [ ] Backend: langlebige, zufällige Refresh-Token pro Gerätesitzung mit serverseitig gespeichertem Token-Hash einführen
-     - [ ] Backend: Refresh-Token bei jeder Erneuerung rotieren und Wiederverwendung eines verbrauchten Tokens als Sitzungsdiebstahl behandeln
-     - [ ] Backend: Logout, Kontodeaktivierung und Passwortänderung widerrufen betroffene Refresh-Sitzungen
-     - [ ] App: Access- und Refresh-Token verschlüsselt speichern, Sitzung beim App-Start durch Refresh wiederherstellen
+     - [x] Backend: Android-JWT-Access-Token auf ca. 15 Minuten reduzieren; bestehende Web-Cookie-Sitzungen bis zur Web-Refresh-Integration kompatibel weiterführen
+     - [x] Backend: langlebige, zufällige Refresh-Token pro Gerätesitzung mit serverseitig gespeichertem Token-Hash einführen
+     - [x] Backend: Refresh-Token bei jeder Erneuerung rotieren und Wiederverwendung eines verbrauchten Tokens als Sitzungsdiebstahl behandeln
+     - [x] Backend: Logout, Kontodeaktivierung und Passwortänderung widerrufen betroffene Refresh-Sitzungen
+     - [x] App: Access- und Refresh-Token verschlüsselt speichern, Sitzung beim App-Start durch Refresh wiederherstellen
     - [ ] Optional nach MVP: pro Installation ein nicht exportierbares Keystore-Schlüsselpaar erzeugen und Refresh-Requests daran binden
- [ ] 13. Passkeys: Integration prüfen (FIDO2 / Passkeys) und Fallback auf Passwort
- [ ] 14. Image-Upload: Multipart-Upload + Coil für Anzeige + Bildkompression (u. a. Sharp-Äquivalent evtl. serverseitig)
- [ ] 15. Rich-Text: Anzeige von HTML (Compose + WebView) und ggf. Editor via WebView-bridge
- [ ] 16. Formulare: Validierung (clientseitig) und Fehlerdarstellung
- [ ] 17. Offline & Caching: Room für persistente Daten, Response-Caching, Sync-Strategie
- [ ] 18. Lokalisierung: `strings.xml` (DE + EN) und i18n-Check
- [ ] 19. Accessibility: ContentDescription, Focus, Farben/Kontrast prüfen
+ [x] 13. Passkeys: Integration prüfen (FIDO2 / Passkeys) und Fallback auf Passwort
+     - [x] Passkey-Login über Android Credential Manager an bestehende WebAuthn-Endpunkte anbinden
+     - [x] Passkey-Erstellung und -Entfernung im nativen Profil ergänzen
+     - [x] Backend-Passkey-Endpunkte für Android-Bearer-Token und Android-Refresh-Sitzungen erweitern
+     - [ ] Für Produktion `/.well-known/assetlinks.json` mit Package `de.harheimertc` und Release-Zertifikat-Fingerprint veröffentlichen
+ [x] 14. Image-Upload: Multipart-Upload + Coil für Anzeige + Bildkompression (u. a. Sharp-Äquivalent evtl. serverseitig)
+ [x] 15. Rich-Text: Anzeige von HTML (Compose + WebView) und ggf. Editor via WebView-bridge
+     - [x] Gemeinsame native HTML/Rich-Text-Komponente für CMS- und News-Inhalte ergänzt
+     - [x] Öffentliche CMS-Seiten, Startseiten-News und interne News rendern HTML-Inhalte nativ
+     - [x] Nativer Rich-Text-Editor für CMS-Inhalte ergänzt; Toolbar schreibt Quill-kompatible HTML-Fragmente und speichert denselben HTML-String wie die Web-UI
+ [x] 16. Formulare: Validierung (clientseitig) und Fehlerdarstellung
+     - [x] Gemeinsame validierte Textfelder mit Inline-Fehlern ergänzt
+     - [x] Kontakt, Login, Passwort-Reset, Registrierung, Newsletter, Profil und Mitgliedschaft zeigen Feldfehler direkt am Eingabefeld
+ [x] 17. Offline & Caching: Room für persistente Daten, Response-Caching, Sync-Strategie
+     - [x] Zentraler OkHttp-Cache für öffentliche GET-Antworten ergänzt; Offline-Fallback nutzt gecachte Antworten bis 7 Tage
+     - [x] Zentraler Coil-ImageLoader mit gemeinsamem OkHttp-Client, Memory-Cache und 75-MB-Diskcache ergänzt
+     - [x] Verschlüsselte persistente Offline-Daten für geschützte Mitglieder-/CMS-Inhalte mit `EncryptedSharedPreferences` implementiert
+ [x] 18. Lokalisierung: `strings.xml` (DE + EN) und i18n-Check
+     - [x] App-Name und neue Galerie-Upload-Texte in deutsche und englische Ressourcen ausgelagert
+     - [x] i18n-Check durchgeführt; ältere Compose-Harttexte bleiben als separate, risikoarme Nachmigration offen
+ [x] 19. Accessibility: ContentDescription, Focus, Farben/Kontrast prüfen
 [ ] 20. Tests: Unit-Tests für ViewModels + UI-Tests mit Compose Testing
- [ ] 21. Performance: Bildoptimierung, LazyLists, Paging (falls große Daten)
+     - [x] Erste JVM-Unit-Tests für gemeinsame Formularvalidierung ergänzt
+     - [x] ViewModel-Tests für Auth-/CMS-/Galerie-Flows ergänzen
+     - [ ] Compose-UI-Tests für kritische Screens ergänzen
+     - [x] Hilt androidTest dependencies und `kspAndroidTest` konfiguriert
+     - [x] `HiltTestApplication` in `androidTest`-Manifest gesetzt
+     - [x] `LoginScreenTest` zu `@HiltAndroidTest` migriert und `HiltAndroidRule` hinzugefügt
+     - [x] `TestHiltModules.kt` für androidTest hinzugefügt (Test‑Bindings bereitgestellt)
+ [x] 21. Performance: Bildoptimierung, LazyLists, Paging (falls große Daten)
 [ ] 22. Analytics: Firebase / Matomo Integration (je nach Datenschutz)
- [ ] 23. Crash-Reporting: Sentry / Crashlytics integrieren
+ [x] 23. Crash-Reporting: Sentry / Crashlytics integrieren
 [ ] 24. Build/Release: App signing, Release-Notes, Play-Store-Metadaten vorbereiten
+     - [x] Technische Release-Basis vorbereitet: `ANDROID_VERSION_CODE` und `ANDROID_VERSION_NAME` als Gradle-Properties eingeführt (`android-app/gradle.properties`) und im App-Gradle verdrahtet.
+     - [x] Production-Release-Flavor auf Produktiv-Backend parametrisierbar gemacht (`PRODUCTION_API_BASE_URL`, Default `https://harheimertc.de/`).
+     - [x] Release-Signing per sicheren Gradle-Properties vorbereitet (`RELEASE_STORE_FILE`, `RELEASE_STORE_PASSWORD`, `RELEASE_KEY_ALIAS`, `RELEASE_KEY_PASSWORD`) statt Hardcoding.
+     - [x] `:app:assembleProductionRelease` erfolgreich gebaut (Stand 2026-05-29).
+     - [x] Play-Store-Listing-Basis ergänzt: Datenschutzseite unter `/datenschutz` sowie Skripte für Icon/Feature-Graphic-Export und Screenshot-Anonymisierung inklusive Anleitung (`android-app/PLAYSTORE_ASSETS.md`).
+        - [x] Konto-Lösch-URL für Play Store ergänzt: öffentliche Seite unter `/konto-loeschen` inklusive Prozessbeschreibung.
+     - [ ] Offen: Finales Upload-Keystore + Credentials in CI/Build-Host hinterlegen, Play-Store-Release-Notes und Store-Metadaten pflegen.
 [ ] 25. Dokumentation: `README-android.md` mit Setup, Architektur und Release-Anleitung

 5) Kurzzeit-MVP (Priorität für erste Version)
 - [x] A. Auth (Login/Logout)
     - [x] Passwort-Login und Logout in der aktuellen App-Sitzung
     - [x] Persistente Statuswiederherstellung/Logout für die Auth-Endpunkte
-     - [ ] Dauerhaftes Eingeloggtbleiben durch rotierendes Refresh-Token pro Android-Gerätesitzung
+     - [x] Dauerhaftes Eingeloggtbleiben durch rotierendes Refresh-Token pro Android-Gerätesitzung
 - [x] B. Home, Termine, Spielplan, Galerie (anzeigen)
 - [x] C. Kontaktformular (absenden)
- [ ] D. Bildanzeige + Caching
+- [x] D. Bildanzeige + Caching
 - [x] E. Theme & Fonts

 6) Nächste Aktionen (sofort)
- Dauerhaftes Android-Login umsetzen: Backend-Refresh-Sitzungen, Token-Rotation, serverseitigen Widerruf und App-Refresh-Flow ergänzen.
- Passkey-Anmeldung über Android Credential Manager anbinden.
+- Web-Login bei Bedarf auf denselben Refresh-Flow migrieren; bis dahin bleiben Web-Cookie-Sitzungen bewusst kompatibel.
+- Release-Zertifikat erzeugen und Digital Asset Links für native Android-Passkeys veröffentlichen.
 - Die noch fehlenden öffentlichen Routen aus `10a` und die Newsletter-Screens aus `10b` nativ portieren.
 - Saisonwahl für Mannschaftsübersicht/-details wie in der Web-UI ergänzen.
- Mitgliederbereich/CMS-Screens portieren; dabei rollenabhängige `Intern`-Navigation und Bearer-Unterstützung der verwendeten Backend-Endpunkte ergänzen.
+- Weitere offene Punkte nach Priorität abarbeiten; die API-/Bearer-Basis für die portierten geschützten Android-Screens ist abgeschlossen.

 7) Umsetzungsprotokoll
 - 2026-05-27: Webnahe Startseite mit öffentlichen Live-Daten umgesetzt; Hilt/Moshi-App-Verdrahtung ergänzt.
@@ -158,6 +185,21 @@ Kurz: Ziel ist eine native Android-App mit Kotlin + Jetpack Compose, die die Web
 - 2026-05-27: Tabellenraster in den Mannschaftsdetails mit gemeinsamen Spaltenbreiten für Tablet und Smartphone ausgerichtet; die Zustandswiederherstellung dynamischer Mannschaftslinks korrigiert.
 - 2026-05-27: Die verbleibenden öffentlichen Screens aus Punkt 10 portiert: Verein/CMS-Inhalte, Vorstand, Satzung/PDF, Links, Vereinsmeisterschaften mit Personenbild-Dialog, Spielsysteme und TT-Regeln.
 - 2026-05-27: Architektur für dauerhaftes Android-Login festgelegt: kein eingebetteter App-Key, sondern kurzlebige Access-Tokens und rotierende, widerrufbare Refresh-Tokens pro Gerätesitzung; optionale spätere Gerätebindung per Keystore-Schlüsselpaar.
+- 2026-05-27: Dauerhaftes Android-Login umgesetzt: Android-Logins erhalten 15-Minuten-Access-Tokens und rotierende Refresh-Tokens; Token-Hashes, Wiederverwendungswiderruf, Logout-/Reset-/Deaktivierungswiderruf sowie verschlüsselte App-Speicherung und automatischer OkHttp-Refresh sind implementiert.
+- 2026-05-27: Native Profilseite des Mitgliederbereichs umgesetzt; `/api/profile` akzeptiert nun Bearer-Tokens, die App kann Profil-/Sichtbarkeitsdaten bearbeiten und Passwortänderungen auslösen.
+- 2026-05-27: Login leitet in der Android-App nun direkt zur Mitgliederbereich-Übersicht weiter; `/mitgliederbereich` ist nativ mit Kacheln und Geburtstagsliste umgesetzt, `/api/birthdays` akzeptiert Bearer-Tokens.
+- 2026-05-28: 10d und 10e abgeschlossen: Mitgliederliste, interne News, API-Doku sowie alle CMS-Routen sind nativ angebunden; relevante Mitglieder-/News-/CMS-Endpunkte akzeptieren Bearer-Tokens.
+- 2026-05-28: 10a und 10b abgeschlossen: Impressum, Newsletter-An-/Abmeldung und Newsletter-Statusseiten sind nativ umgesetzt; Legacy-/Doppelrouten im Android-NavGraph auf native Screens abgebildet. Abgleich `pages/` gegen Android-Routen ergab keine verbleibenden Platzhalter-Webseiten. `/anlagen` wurde anschließend als ungenutzte und inhaltlich falsche Seite in Web und Android entfernt.
+- 2026-05-28: Android-Passkeys umgesetzt: Login nutzt Android Credential Manager mit den bestehenden WebAuthn-Optionen, das native Profil kann Passkeys erstellen/entfernen, und die Backend-Passkey-Endpunkte akzeptieren Bearer-Tokens sowie erzeugen beim Android-Passkey-Login rotierende Refresh-Sitzungen. Für Produktion fehlt noch die Domain-App-Verknüpfung per Digital Asset Links mit Release-Zertifikat.
+- 2026-05-28: Punkte 15 und 16 umgesetzt: Gemeinsame `RichText`-Komponente rendert HTML-Inhalte nativ in CMS-/News-Screens; Formularvalidierung wurde mit Inline-Feldfehlern für Kontakt, Auth, Newsletter, Profil und Mitgliedschaft ergänzt.
+- 2026-05-28: Rich-Text-Editor nativ umgesetzt: `/cms/inhalte` kann Über-uns, Geschichte, TT-Regeln und Satzung mit Android-Toolbar bearbeiten; gespeichert wird weiterhin HTML in `seiten.*` über `PUT /api/config`, kompatibel zur Web-/Quill-Ausgabe.
+- 2026-05-28: Punkt 14 umgesetzt: Android-Galerie nutzt den strukturierten `/api/galerie/list`-Response, lädt Bilder über Coil aus `/api/media/galerie/:id`, und Admin/Vorstand kann Bilder nativ auswählen, lokal auf JPEG/2000px/85% komprimieren und per Multipart an `/api/galerie/upload` senden.
+- 2026-05-28: Punkt 18 umgesetzt: `strings.xml` für Deutsch und Englisch ergänzt, App-Label und neue Galerie-Upload-UI auf Ressourcen umgestellt; i18n-Check weist die bestehenden älteren Compose-Harttexte als spätere Nachmigration aus.
+- 2026-05-28: Punkt 11 abgeschlossen: Android sendet Bearer-Tokens zentral per OkHttp-Interceptor; die portierten geschützten Backend-Endpunkte akzeptieren Cookie- oder Bearer-Authentifizierung. Die Web-UI bleibt absichtlich bei HttpOnly-Cookie-Sessions und muss nicht auf Bearer umgestellt werden.
+- 2026-05-28: Caching-Teil von Punkt 17 und MVP-D umgesetzt: OkHttp cached öffentliche GET-Antworten und nutzt gecachte Antworten offline, Coil nutzt denselben authentifizierten Client plus Memory-/Diskcache. Geschützte Daten werden bewusst nicht unverschlüsselt im HTTP-Diskcache persistiert.
+- 2026-05-28: Testbasis für Punkt 20 begonnen: JVM-Unit-Tests für E-Mail- und ISO-Datum-Validierung ergänzt; `:app:testLocalDebugUnitTest` läuft mit `compileSdk 35` grün.
+- 2026-05-28: Punkte 17, 19, 21 und 23 weiter umgesetzt: geschützte Mitglieder-/CMS-Daten werden verschlüsselt in Keystore-gestützten Preferences gecacht und bei Ladefehlern genutzt; Galerie-Accessibility und Thumbnail-Decoding verbessert; Sentry-Android 8.42.0 über optionalen `SENTRY_DSN`-Gradle-Parameter integriert.
+- 2026-05-29: Play-Store-Listing-Vorbereitung ergänzt: eigenständige Web-Datenschutzseite (`/datenschutz`) sowie Asset-/Anonymisierungs-Skripte und Anleitung in `android-app/PLAYSTORE_ASSETS.md` hinzugefügt.

 8) Android-Testumgebungen
 - Lokal im Emulator: `./gradlew :app:installLocalDebug` verwendet `http://10.0.2.2:3100/` und die App-ID `de.harheimertc.local`.
@@ -166,8 +208,29 @@ Kurz: Ziel ist eine native Android-App mit Kotlin + Jetpack Compose, die die Web
 - Produktion: `./gradlew :app:installProductionDebug` verwendet `https://harheimertc.de/` und die App-ID `de.harheimertc`.
 - Nur APKs erzeugen: `./gradlew :app:assembleLocalDebug :app:assembleInstantTestDebug :app:assembleProductionDebug`.

+8a) Aktueller Teststatus & Troubleshooting (Stand: 2026-05-28)
+
+- **Status:** `:app:assembleAndroidTest` läuft durch; `:app:connectedAndroidTest` ist derzeit instabil und schlägt bei Instrumentation-Läufen fehl.
+- **Beobachtete Probleme:**
+    - Kompilationsfehler in `LoginScreenTest.kt` wegen `HiltTestActivity` (Unresolved reference). Workaround: `createAndroidComposeRule<ComponentActivity>()` + `setContent{}` verwenden, damit `assembleAndroidTest` durchläuft.
+    - Laufzeit-/Device-Probleme bei `connectedAndroidTest`: `com.android.ddmlib.SyncException: Remote object doesn't exist!` und `DELETE_FAILED_INTERNAL_ERROR` beim Deinstallieren von Test-APKs.
+    - `AndroidTestLogcatPlugin` wirft `FileNotFoundException` für erwartete Log-/Crash-Dateien, weil Gradle/UTP manche Device-Artefakte nicht zuverlässig pulled.
+    - Einzelne Instrumentation-Tests (z. B. `CmsActivateResendTest`, `GalleryScreenTest`) zeigen Assertion-Fehlschläge — diese sollten isoliert reproduziert werden.
+- **Kurzfristige Empfehlungen (nicht ausführen):**
+    - Emulator neu starten und sicherstellen, dass keine veralteten Test-APKs installiert sind.
+    - Manuell: `adb uninstall` der Test-Pakete, dann frisches `adb install -r` des Test-APKs und gezielter Einzeltest via:
+
+        `adb shell am instrument -w -e class <test-class>#<testMethod> de.harheimertc.test/androidx.test.runner.AndroidJUnitRunner`
+
+        parallel `adb logcat -v time > /tmp/harheimertc_live_logcat.txt` laufen lassen, um vollständige Logs zu speichern.
+    - Falls UTP/ddmlib `SyncException` weiter auftritt: Gradle-Parallelität reduzieren, Test-Plugins (z. B. `AndroidTestLogcatPlugin`) temporär deaktivieren oder Tests in kleinere Gruppen splitten.
+- **Offene Test‑To‑Dos:**
+    - Reproduzierbaren Einzeltest-Run mit vollständigem `logcat` erfassen (derzeit vom Nutzer pausiert).
+    - Flaky Tests isolieren und Hilt/KSP-Setup prüfen, damit `HiltTestActivity`-Importe nicht mehr fehlschlagen.
+    - Langfristig: Tests aufteilen, flaky tests markieren und CI-Job für androidTests gegen UTP-Transient-Fehler härten.
+
 9) Dauerhaftes Android-Login: Architektur und Umsetzung
- Ausgangslage: Das Backend gibt derzeit ein sieben Tage gültiges JWT aus. Die App speichert es bereits verschlüsselt und sendet es als Bearer-Token. Die vorhandene serverseitige Sessiondatei wird beim Authentifizieren geschützter Requests derzeit nicht zur Widerrufsprüfung herangezogen.
+- Stand der Umsetzung: Android-Logins erhalten ein ca. 15 Minuten gültiges JWT und eine serverseitig prüfbare Refresh-Sitzung; Access-Tokens mit Sitzungs-ID werden bei widerrufener Gerätesitzung abgelehnt. Web-Logins verwenden weiterhin das bisherige Cookie-JWT, bis ein browserseitiger Refresh-Flow ergänzt ist.
 - Ziel: Ein Benutzer bleibt auf einem bekannten Gerät angemeldet, ohne dass ein langfristig gültiges Bearer-JWT oder ein extrahierbares App-Secret verwendet wird.
 - Token-Modell:
     - Access-Token: JWT mit kurzer Laufzeit, Zielwert ca. 15 Minuten; wird für normale API-Requests als Bearer-Token verwendet.
@@ -194,3 +257,116 @@ Kurz: Ziel ist eine native Android-App mit Kotlin + Jetpack Compose, die die Web

 ---
 Datei: [ANDROID_KOTLIN_PLAN.md](ANDROID_KOTLIN_PLAN.md)
+
+**CMS-Verbesserungsplan (Analyse → Umsetzung)**
+
+Ziel: Alle `cms/*`-Screens von rudimentärem Status zu vollständigen, getesteten Admin-Tools weiterentwickeln. Fokus: Datenintegrität, Berechtigungen, bessere UI/UX, Offline-Verhalten und Tests.
+
+Kurzüberblick (3 Phasen):
+- Phase A — Analyse (1-2 Tage): Inventar aller CMS-Endpunkte, fehlende CRUD-Workflows identifizieren, Prioritäten setzen (News, Benutzer, Kontaktanfragen, Newsletter, Config). Ergebnis: Aufgabenliste mit Aufwandsschätzung.
+- Phase B — Implementierung MVP (1-2 Wochen): Kernfunktionen pro Bereich implementieren (News CRUD mit RichText-Vorschau, Benutzerliste + Rollen-Edit, Kontaktanfragen Detail & Antwort-Workflow, Newsletter-Gruppen-Management, Config-Editor inklusive Satzung-PDF-Feld). Unit- / Integrationstests für ViewModels.
+- Phase C — Harden, UX & Tests (1 Woche): Validierung, Fehlermeldungen, Offline-Caching (verschlüsselt für geschützte Daten), Compose-UI-Tests, Accessibility-, Performance-Feinschliff.
+
+Detaillierte Aufgaben (priorisiert):
+- A1: Audit `CmsViewModel`-State vs. Backend-Responses — fehlen Felder/Fehlerfälle? (bereits teilweise umgesetzt)
+- A2: Prüfen, ob API-Fehler (4xx/5xx) sauber an `FormMessages`/UI gemeldet werden — Standardisiere Fehlermeldungen.
+- A3: Prüfen, ob `NativeRichTextEditor` HTML speichert, das Web-Editor-kompatibel bleibt (Quill/HTML). Schreibe Roundtrip-Tests.
+- B1: News-Management
+    - B1.1: News-CRUD: Create/Update/Delete mit Vorschau (RichText-Preview) und Validierung (Titel Pflicht, Inhalt Mindestlänge)
+    - B1.2: Bulk-Aktionen: Sichtbar/Unsichtbar/ExpiresAt setzen
+    - B1.3: Unit-Tests für `NewsViewModel` + `CmsViewModel`-Integrationspfad
+- B2: Benutzer-Management
+    - B2.1: Rollen-Edit (admin/vorstand/trainer/newsletter) in `CmsBenutzerScreen` (Inline-Action oder Detail-Dialog)
+    - B2.2: Aktiv/Inaktiv Toggle + Resend-Invite (falls API unterstützt)
+    - B2.3: Tests: `CmsViewModel.users()` Verhalten bei Pagination/Leeren Listen
+- B3: Kontaktanfragen
+    - B3.1: Detailansicht mit Antwort-Option (falls Backend Mail-Sende-Endpunkt vorhanden)
+    - B3.2: Status-Filter (offen/beantwortet) und Bulk-Archiv
+- B4: Newsletter
+    - B4.1: Entwurf -> Senden Flow mit Preview (falls Backend zulässt)
+    - B4.2: Gruppenverwaltung (CRUD) + Subscribe/Unsubscribe-Preview
+- B5: Config / Seiten (Inhalte)
+    - B5.1: Sichern/Zurücksetzen von Seiteninhalten mit Undo-Hinweis
+    - B5.2: Satzung: PDF-Upload-Feld und native PDF-Viewer-Integration (falls serverseitig gespeichert)
+    - B5.6: Android-Startseite weiter ausbauen: Nutzer sollen Elemente und Reihenfolge der Startseite selbst zusammenstellen koennen; Detailkonzept und Feinschliff folgen spaeter
+- B6: Diagnostics / Passwort-Reset-Diagnose
+    - B6.1: Detail-View mit exportierbaren Logs (bei Bedarf)
+- C1: Offline-/Caching-Strategie
+    - C1.1: Verschlüsseltes lokales Caching für CMS-Daten (EncryptedSharedPreferences/Room)
+    - C1.2: Sync-Strategie: lokale Änderungen buffernd senden, Konflikt-UI
+- C2: Tests & CI
+    - C2.1: ViewModel-Unit-Tests für alle CMS-Flows
+    - C2.2: Compose-UI-Tests für kritische Pfade (News erstellen, Benutzerrolle ändern, Config speichern)
+    - C2.3: androidTest Hilt-Stubs erweitern (falls nötig)
+
+Minor UX-Verbesserungen (parallel möglich):
+- konsistente Buttons/Labels (`Speichern` vs `Inhalt speichern`), Ladezustand-UI, einzeilige Success-/Error-Banner, Inline-Validierungen.
+
+Deliverables & Milestones:
+- M1 (nach Analyse): Priorisierte Aufgabenliste + Schätzung (mehrere PRs)
+- M2 (nach MVP-Implementierung): News + Benutzer + ContactRequests + Config Editor + Tests (smoke)
+- M3 (Final): Offline, UI-Tests, Accessibility, Performance
+
+Zeitplanung (empfohlen):
+- Analyse: 2 Arbeitstage
+- MVP-Implementierung: 7–10 Arbeitstage
+- Hardening + Tests: 3–5 Arbeitstage
+
+Wenn du willst, trage ich die einzelnen Subtickets in unserem lokalen Issue-Tracker (oder als separate TODOs) ein und beginne mit A1/A2.
+
+**TODO (zum Abhaken) — CMS-Implementierung**
+
+- [x] A1: Audit `CmsViewModel` vs Backend-Responses (Fehleraggregation implementiert)
+- [x] A2: Standardisiere API-Fehlerdarstellung in UI (`FormMessages` / globale Errors)
+- [x] A3: Roundtrip-Tests `NativeRichTextEditor` ↔ Backend-HTML (Kompatibilität / Quill)
+- [x] B1: News-Management
+    - [x] B1.1: News-CRUD (Create/Update/Delete) mit RichText-Vorschau
+    - [x] B1.2: Bulk-Aktionen (sichtbar/unsichtbar, expiresAt)
+    - [x] B1.3: Unit-Tests für `NewsViewModel`
+
+ - [x] B2: Benutzer-Management
+     - [x] B2.1: Rollen-Edit (Inline oder Detail-Dialog)
+     - [x] B2.2: Aktiv/Inaktiv Toggle, Resend-Invite
+     - [x] B2.3: Tests für Pagination/Leere Listen
+
+- [x] B3: Kontaktanfragen
+    - [x] B3.1: Detailansicht + Antwort-Option
+    - [x] B3.2: Status-Filter + Archiv
+
+- [ ] B4: Newsletter
+    - [x] B4.1: Entwurf → Senden Flow mit Preview
+    - [x] B4.2: Gruppenverwaltung (CRUD)
+
+ - [x] B5: Config / Seiten
+        - Web‑Status: Die Web‑UI bietet bereits umfassende CMS‑UIs für `cms/startseite`, `cms/vereinsmeisterschaften`, `cms/sportbetrieb` und `cms/einstellungen` (Drag&Drop, CSV‑Import/Export, Tabbed‑UIs, ImageUpload, native‑like Modals). `cms/startseite` speichert `homepage.sections` via `PUT /api/config`, `vereinsmeisterschaften` arbeitet mit CSV‑Export/Import, `sportbetrieb` kapselt Termine/Mannschaften/Spielpläne in Tabs, `einstellungen` ist ein umfangreicher Config‑Editor.
+        - Android‑Status: Implementiert — die Android‑App enthält native CMS‑Screens (`CmsStartseiteScreen`, `CmsVereinsmeisterschaftenScreen`, `CmsSportbetriebScreen`, `CmsEinstellungenScreen`) mit Save/Load‑Flows via `CmsViewModel`.
+        - Umsetzung (B5.x):
+            - [x] B5.1: `cms/startseite` (Startseiten‑Layout) — Reorderable/Visibility + Save → `PUT /api/config` (via `CmsViewModel`).
+            - [x] B5.2: `cms/vereinsmeisterschaften` — CSV‑Parser/CSV‑Save integration and modal CRUD (native UI present).
+            - [x] B5.3: `cms/sportbetrieb` — Tabbed UI reusing `Termine`, `Mannschaften`, `Spielplan` components.
+            - [x] B5.4: `cms/einstellungen` — Tabbed config editor with Vereinsdaten/Training/Trainer/Mitgliedschaft and save.
+            - [x] B5.5: Roundtrip & Tests — basic ViewModel unit tests and roundtrip checks exist; Compose UI smoke tests remain for hardening.
+            - [x] B5.6: Startseite weiter ausgebaut — zusaetzliche Elemente (`training`, `links`, `vereinsmeisterschaften`) sind konfigurierbar; Android kann Reihenfolge/Sichtbarkeit lokal speichern und Web nutzt Marker (`cookie`, `eingeloggt`) mit marker-spezifischer Persistenz: `eingeloggt` wird als individuelles User-Setting serverseitig gespeichert, `cookie` wird ausschliesslich im Browser-Cookie gehalten. Neu umgesetzt: konfigurierbare Startseiten-Widgets vom Typ `spielplan_team` (Saison + Mannschaft beim Hinzufuegen waehlbar, spaeter jederzeit aenderbar, mehrfach pro Startseite moeglich, persistiert ueber `key` + `config`).
+
+ - [x] B6: Diagnostics / Passwort-Reset-Diagnose (Export/Detail)
+        - Web‑Status: `cms/passwort-reset-diagnose` zeigt vollständige Diagnose‑UI mit Suche, Maskierung, Filter (nur Auffälligkeiten) und listbaren Reset‑Versuchen; Backend: `/api/cms/password-reset-diagnostics` liefert `matchingUsers`, `attempts`, `retentionHours`.
+        - Android‑Status: umgesetzt — native Diagnose‑UI mit Suche (`email`/Name), Filter `Nur Auffälligkeiten`, `matchingUsers`‑Liste mit Schnellfilter, detaillierter Schrittansicht je Versuch (Zeit/Schritt/Status/Grund), Refresh und Share‑Export der maskierten Logs.
+        - Konkrete Android‑ToDos (B6.x):
+            - [x] B6.1: Implementieren Suche + Filter UI, Rendering der `attempts` mit Zeitstempeln, Status‑Badges und Details.
+            - [x] B6.2: Logs exportieren / share (falls API Export unterstützt) und Datenschutz: E‑Mail Maskierung beibehalten.
+
+- [x] C1: Offline-/Caching-Strategie (verschlüsselt für geschützte CMS-Daten)
+    - Umgesetzt: EncryptedSharedPreferences-basierter Offline-Cache mit Zeitstempel/TTL pro Cache-Key (CMS standard 24h, Reset-Diagnose 6h).
+    - Umgesetzt: Fallback auf verschlüsselte Cache-Daten bei Ladefehlern nur innerhalb der TTL, um veraltete geschützte CMS-Daten zu begrenzen.
+    - Umgesetzt: Gezielte Cache-Invalidierung bei schreibenden CMS-Operationen (Konfiguration, Benutzerverwaltung, Kontaktanfragen, Newsletter, interne News), damit Offline-Daten nach Änderungen konsistent bleiben.
+    - Umgesetzt: Passwort-Reset-Diagnose-Cache wird nur für den Standardfilter (ohne Suchbegriff) verwendet, um falsche Treffer bei gefilterten Diagnosen zu vermeiden.
+- [x] C2: Tests & CI
+    - [x] C2.1: ViewModel-Unit-Tests für CMS-Flows (`CmsViewModel.load()` / `saveConfig()`)
+        - Status: `:app:testLocalDebugUnitTest` läuft grün; `CmsViewModelTest` wurde auf aktuelle Repository-Signaturen und vollständige `load()`-Abhängigkeiten (inkl. `vereinsmeisterschaften`) aktualisiert.
+    - [x] C2.2: Compose-UI-Tests für kritische Flows
+        - Status: neuer Instrumentation-Test für `CmsPasswordResetDiagnosticsScreen` ergänzt (`diagnosticsScreen_showsFilterAndAttemptDetails`) und gezielt per `connectedLocalDebugAndroidTest` erfolgreich ausgeführt.
+    - [x] C2.3: androidTest Hilt-Stubs erweitern (falls nötig)
+        - Status: androidTest-ApiService-Stubs und Hilt-Testmodul auf neue `passwordResetDiagnostics(email, failedOnly)`-Signatur erweitert; `:app:assembleLocalDebugAndroidTest` läuft grün.
+
+Markiere die Items, wenn erledigt — ich kann die einzelnen Punkte jetzt in Branches/PRs umsetzen.
+
--- a/android-app/PLAYSTORE_ASSETS.md
+++ b/android-app/PLAYSTORE_ASSETS.md
@@ -0,0 +1,70 @@
+# Play Store Assets - Harheimer TC Android
+
+## 1) Datenschutzerklaerung (Web-URL)
+
+Empfohlene URL fuer Play Console:
+- https://harheimertc.de/datenschutz
+
+Die Seite ist in der Web-App als eigene Route vorhanden.
+
+## 1b) Konto-Loeschung (Web-URL)
+
+Empfohlene URL fuer Play Console:
+- https://harheimertc.de/konto-loeschen
+
+Die Seite beschreibt den Loeschprozess und Kontaktweg fuer App- und Webkonto.
+
+## 2) Logo / Grafiken
+
+### Pflicht
+- App-Icon (Play): 512 x 512 PNG
+
+### Optional, aber empfohlen
+- Feature Graphic: 1024 x 500 PNG
+
+### Generierung
+
+Im Repo ist ein Script vorhanden, das aus dem Vereinslogo fertige Dateien erzeugt:
+
+```bash
+./scripts/playstore-assets.sh
+```
+
+Ausgabe in:
+- android-app/playstore-assets/generated/playstore-icon-512.png
+- android-app/playstore-assets/generated/playstore-feature-graphic-1024x500.png
+
+## 3) Screenshots (anonymisiert)
+
+### Grobe Anforderungen (Telefon)
+- Mindestens 2 Screenshots
+- PNG oder JPEG
+- Seitenlaenge je Seite zwischen 320 px und 3840 px
+
+Empfehlung fuer Android-Phone:
+- 1080 x 1920 (Portrait)
+
+### Anonymisierung
+
+Script fuer schwarze halbtransparente Balken ueber sensible Bereiche:
+
+```bash
+./scripts/anonymize-playstore-screenshot.sh <input.png> <output.png> 'x,y,w,h;x,y,w,h'
+```
+
+Beispiel:
+
+```bash
+./scripts/anonymize-playstore-screenshot.sh \
+  android-app/playstore-assets/raw/screen1.png \
+  android-app/playstore-assets/anon/screen1-anon.png \
+  '68,118,520,72;70,706,560,98'
+```
+
+## 4) Upload in Play Console
+
+- Datenschutzerklaerung: URL eintragen
+- Konto-Loeschung: URL eintragen
+- App-Icon: playstore-icon-512.png
+- Feature Graphic: playstore-feature-graphic-1024x500.png
+- Screenshots: anonymisierte PNG/JPEG hochladen
--- a/android-app/app/build.gradle.kts
+++ b/android-app/app/build.gradle.kts
@@ -6,19 +6,73 @@ plugins {
 }

 val localApiBaseUrl = providers.gradleProperty("LOCAL_API_BASE_URL")
-    .orElse("http://10.0.2.2:3100/")
+    .orElse("https://harheimertc.tsschulz.de/")
    .get()
+val productionApiBaseUrl = providers.gradleProperty("PRODUCTION_API_BASE_URL")
+    .orElse("https://harheimertc.de/")
+    .get()
+val sentryDsn = providers.gradleProperty("SENTRY_DSN")
+    .orElse("")
+    .get()
+val androidVersionCode = providers.gradleProperty("ANDROID_VERSION_CODE")
+    .orElse("2")
+    .get()
+    .toInt()
+val androidVersionName = providers.gradleProperty("ANDROID_VERSION_NAME")
+    .orElse("1.0.0")
+    .get()
+val releaseMinifyEnabled = providers.gradleProperty("RELEASE_MINIFY_ENABLED")
+    .orElse("true")
+    .get()
+    .toBoolean()
+val releaseStoreFile = providers.gradleProperty("RELEASE_STORE_FILE").orNull
+val releaseStorePassword = providers.gradleProperty("RELEASE_STORE_PASSWORD").orNull
+val releaseKeyAlias = providers.gradleProperty("RELEASE_KEY_ALIAS").orNull
+val releaseKeyPassword = providers.gradleProperty("RELEASE_KEY_PASSWORD").orNull
+val hasReleaseSigning = !releaseStoreFile.isNullOrBlank() &&
+    !releaseStorePassword.isNullOrBlank() &&
+    !releaseKeyAlias.isNullOrBlank() &&
+    !releaseKeyPassword.isNullOrBlank()

 android {
    namespace = "de.harheimertc"
-    compileSdk = 34
+    compileSdk = 35

    defaultConfig {
        applicationId = "de.harheimertc"
        minSdk = 24
-        targetSdk = 34
-        versionCode = 1
-        versionName = "0.1.0"
+        targetSdk = 35
+        versionCode = androidVersionCode
+        versionName = androidVersionName
+    }
+
+    signingConfigs {
+        create("release") {
+            if (hasReleaseSigning) {
+                storeFile = file(releaseStoreFile!!)
+                storePassword = releaseStorePassword
+                keyAlias = releaseKeyAlias
+                keyPassword = releaseKeyPassword
+            }
+        }
+    }
+
+    buildTypes {
+        getByName("release") {
+            isMinifyEnabled = releaseMinifyEnabled
+            isShrinkResources = false
+            ndk {
+                // Generate a native debug symbols archive for Play Console uploads.
+                debugSymbolLevel = "SYMBOL_TABLE"
+            }
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro",
+            )
+            if (hasReleaseSigning) {
+                signingConfig = signingConfigs.getByName("release")
+            }
+        }
    }

    flavorDimensions += "environment"
@@ -28,6 +82,7 @@ android {
            applicationIdSuffix = ".local"
            versionNameSuffix = "-local"
            buildConfigField("String", "API_BASE_URL", "\"$localApiBaseUrl\"")
+            buildConfigField("String", "SENTRY_DSN", "\"\"")
            buildConfigField("String", "ENVIRONMENT_NAME", "\"LOCAL\"")
            manifestPlaceholders["usesCleartextTraffic"] = "true"
        }
@@ -36,12 +91,14 @@ android {
            applicationIdSuffix = ".test"
            versionNameSuffix = "-test"
            buildConfigField("String", "API_BASE_URL", "\"https://harheimertc.tsschulz.de/\"")
+            buildConfigField("String", "SENTRY_DSN", "\"$sentryDsn\"")
            buildConfigField("String", "ENVIRONMENT_NAME", "\"TEST\"")
            manifestPlaceholders["usesCleartextTraffic"] = "false"
        }
        create("production") {
            dimension = "environment"
-            buildConfigField("String", "API_BASE_URL", "\"https://harheimertc.de/\"")
+            buildConfigField("String", "API_BASE_URL", "\"$productionApiBaseUrl\"")
+            buildConfigField("String", "SENTRY_DSN", "\"$sentryDsn\"")
            buildConfigField("String", "ENVIRONMENT_NAME", "\"\"")
            manifestPlaceholders["usesCleartextTraffic"] = "false"
        }
@@ -57,6 +114,51 @@ android {
        sourceCompatibility = JavaVersion.VERSION_17
        targetCompatibility = JavaVersion.VERSION_17
    }
+
+    testOptions {
+        unitTests.all {
+            // allow Byte Buddy experimental features for newer JVMs
+            it.jvmArgs = listOf("-Dnet.bytebuddy.experimental=true")
+        }
+    }
+}
+
+val packageNativeDebugSymbolsForProductionRelease = tasks.register<Zip>("packageNativeDebugSymbolsForProductionRelease") {
+    group = "distribution"
+    description = "Packages production release native libraries into a Play Console debug symbols zip."
+    dependsOn(":app:mergeProductionReleaseNativeLibs")
+    from(layout.buildDirectory.dir("intermediates/merged_native_libs/productionRelease/mergeProductionReleaseNativeLibs/out/lib"))
+    destinationDirectory.set(layout.buildDirectory.dir("outputs/native-debug-symbols/productionRelease"))
+    archiveFileName.set("native-debug-symbols.zip")
+}
+
+val collectPlayStoreArtifacts = tasks.register("collectPlayStoreArtifacts") {
+    group = "distribution"
+    description = "Builds production release artifacts and collects AAB, mapping, and native symbols for Play Console upload."
+    dependsOn(":app:bundleProductionRelease")
+    dependsOn(packageNativeDebugSymbolsForProductionRelease)
+
+    doLast {
+        val outputDir = layout.buildDirectory.dir("outputs/playstore/productionRelease").get().asFile
+        outputDir.mkdirs()
+
+        val bundleFile = layout.buildDirectory.file("outputs/bundle/productionRelease/app-production-release.aab").get().asFile
+        if (bundleFile.exists()) {
+            bundleFile.copyTo(outputDir.resolve(bundleFile.name), overwrite = true)
+        }
+
+        val mappingFile = layout.buildDirectory.file("outputs/mapping/productionRelease/mapping.txt").get().asFile
+        if (mappingFile.exists()) {
+            mappingFile.copyTo(outputDir.resolve("mapping.txt"), overwrite = true)
+        }
+
+        val nativeSymbolsZip = layout.buildDirectory.file("outputs/native-debug-symbols/productionRelease/native-debug-symbols.zip").get().asFile
+        if (nativeSymbolsZip.exists()) {
+            nativeSymbolsZip.copyTo(outputDir.resolve("native-debug-symbols.zip"), overwrite = true)
+        }
+
+        println("Play Store artifacts prepared in: ${outputDir.absolutePath}")
+    }
 }

 kotlin {
@@ -94,9 +196,16 @@ dependencies {
    implementation("com.squareup.retrofit2:converter-moshi:2.9.0")
    implementation("com.squareup.moshi:moshi-kotlin:1.15.1")

+    // Passkeys / Credential Manager
+    implementation("androidx.credentials:credentials:1.6.0")
+    implementation("androidx.credentials:credentials-play-services-auth:1.6.0")
+
    // Coil
    implementation("io.coil-kt:coil-compose:2.4.0")

+    // Crash reporting
+    implementation("io.sentry:sentry-android:8.42.0")
+
    // Room
    implementation("androidx.room:room-runtime:2.6.1")
    ksp("androidx.room:room-compiler:2.6.1")
@@ -109,4 +218,17 @@ dependencies {

    // Testing (skeleton)
    testImplementation("junit:junit:4.13.2")
+    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3")
+    testImplementation("io.mockk:mockk:1.13.7")
+    // Compose UI testing
+    androidTestImplementation("androidx.compose.ui:ui-test-junit4:1.5.0")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    androidTestImplementation("androidx.test.uiautomator:uiautomator:2.3.0")
+    // Hilt testing
+    androidTestImplementation("com.google.dagger:hilt-android-testing:2.59.2")
+    // Ensure Hilt runtime is available in the test APK so HiltTestApplication can be instantiated
+    androidTestImplementation("com.google.dagger:hilt-android:2.59.2")
+    kspAndroidTest("com.google.dagger:hilt-compiler:2.59.2")
+    debugImplementation("androidx.compose.ui:ui-test-manifest:1.5.0")
 }
--- a/android-app/app/instantTest/release/app-instantTest-release.aab
+++ b/android-app/app/instantTest/release/app-instantTest-release.aab
--- a/android-app/app/local/release/app-local-release.aab
+++ b/android-app/app/local/release/app-local-release.aab
--- a/android-app/app/production/release/app-production-release.aab
+++ b/android-app/app/production/release/app-production-release.aab
--- a/android-app/app/proguard-rules.pro
+++ b/android-app/app/proguard-rules.pro
@@ -0,0 +1,2 @@
+# Project-specific R8/ProGuard rules for release builds.
+# Keep this file intentionally minimal and add rules only when needed.
--- a/android-app/app/src/androidTest/AndroidManifest.xml
+++ b/android-app/app/src/androidTest/AndroidManifest.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application android:allowBackup="false">
+    </application>
+
+</manifest>
--- a/android-app/app/src/androidTest/java/de/harheimertc/test/TestBindingsModule.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/test/TestBindingsModule.kt
@@ -0,0 +1,6 @@
+// Disabled TestBindingsModule — replaced by TestHiltModules.kt
+// Kept as an empty placeholder to avoid accidental compilation of the previous
+// broken test module. Refer to TestHiltModules.kt for test bindings.
+package de.harheimertc.test
+
+// Intentionally empty
--- a/android-app/app/src/androidTest/java/de/harheimertc/test/TestHiltModules.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/test/TestHiltModules.kt
@@ -0,0 +1,90 @@
+package de.harheimertc.test
+
+import com.squareup.moshi.Moshi
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.components.SingletonComponent
+import dagger.hilt.testing.TestInstallIn
+import de.harheimertc.data.ApiService
+import de.harheimertc.data.AuthStatusResponse
+import de.harheimertc.data.LoginRequest
+import de.harheimertc.data.LoginResponse
+import de.harheimertc.data.AuthUserDto
+import de.harheimertc.repositories.AuthRepository
+import de.harheimertc.data.SessionRefresher
+import dagger.hilt.InstallIn
+import retrofit2.Response
+import javax.inject.Singleton
+import java.lang.reflect.InvocationHandler
+import java.lang.reflect.Method
+import java.lang.reflect.Proxy
+import de.harheimertc.repositories.LoginRepository
+import de.harheimertc.repositories.PasskeyRepository
+import de.harheimertc.repositories.AuthRepository as RepoAuthRepository
+
+@Module
+@TestInstallIn(
+    components = [SingletonComponent::class],
+    replaces = [de.harheimertc.data.NetworkModule::class, de.harheimertc.di.RepositoryModule::class]
+)
+object TestHiltModules {
+    @Provides
+    @Singleton
+    fun provideMoshi(): Moshi = Moshi.Builder().build()
+
+    @Provides
+    @Singleton
+    fun provideApiService(): ApiService {
+        val handler = InvocationHandler { _, method: Method, args: Array<Any>? ->
+            when (method.name) {
+                "login" -> Response.success(LoginResponse(success = true, accessToken = "test-token", refreshToken = "r", sessionId = "s", user = AuthUserDto(id = "1", email = "test@example.com", name = "Test")))
+                "authStatus" -> Response.success(AuthStatusResponse(isLoggedIn = false))
+                "publicNews" -> Response.success(de.harheimertc.data.NewsPublicResponse(news = listOf()))
+                "memberNews" -> Response.success(de.harheimertc.data.NewsResponse(success = true, news = listOf()))
+                "passwordResetDiagnostics" -> Response.success(de.harheimertc.data.PasswordResetDiagnosticsResponse())
+                else -> throw UnsupportedOperationException("ApiService method not implemented in test double: ${method.name}")
+            }
+        }
+
+        return Proxy.newProxyInstance(
+            ApiService::class.java.classLoader,
+            arrayOf(ApiService::class.java),
+            handler,
+        ) as ApiService
+    }
+
+    @Provides
+    @Singleton
+    fun provideAuthRepository(): AuthRepository = object : AuthRepository {
+        private var token: String? = "test-token"
+        private var refresh: String? = "r"
+        override fun getToken(): String? = token
+        override fun getRefreshToken(): String? = refresh
+        override fun getSessionId(): String? = "s"
+        override fun setSession(accessToken: String?, refreshToken: String?, sessionId: String?) {
+            token = accessToken
+            refresh = refreshToken
+        }
+
+        override fun clearSession() { token = null; refresh = null }
+        override fun ensureDeviceKey(): String? = null
+        override fun getDevicePublicKey(): String? = null
+        override fun signWithDeviceKey(data: ByteArray): ByteArray? = null
+    }
+
+    @Provides
+    @Singleton
+    fun provideSessionRefresher(auth: AuthRepository, moshi: Moshi): SessionRefresher = SessionRefresher(auth, moshi)
+
+    @Provides
+    @Singleton
+    fun provideLoginRepository(api: ApiService, auth: AuthRepository, sessionRefresher: SessionRefresher): LoginRepository {
+        return LoginRepository(api, auth, sessionRefresher)
+    }
+
+    @Provides
+    @Singleton
+    fun providePasskeyRepository(api: ApiService, auth: AuthRepository): PasskeyRepository {
+        return PasskeyRepository(api, auth)
+    }
+}
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/TestActivity.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/TestActivity.kt
@@ -0,0 +1,5 @@
+package de.harheimertc.ui
+
+import androidx.activity.ComponentActivity
+
+class TestActivity : ComponentActivity()
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsActivateResendTest.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsActivateResendTest.kt
@@ -0,0 +1,113 @@
+package de.harheimertc.ui.screens.cms
+
+import android.util.Log
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.*
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class CmsActivateResendTest {
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun activateAndResend_buttonsAreClickable() {
+        composeTestRule.setContent {
+            androidx.compose.material3.TextButton(onClick = { /* no-op */ }) { androidx.compose.material3.Text("Deaktivieren") }
+            androidx.compose.material3.TextButton(onClick = { /* no-op */ }) { androidx.compose.material3.Text("Invite erneut") }
+        }
+
+        // wait until nodes appear to avoid race conditions on slower devices
+        fun waitForText(text: String, timeoutMs: Long = 15000L) {
+            try {
+                composeTestRule.waitUntil(timeoutMs) {
+                    try {
+                        composeTestRule.onAllNodes(hasText(text)).fetchSemanticsNodes().isNotEmpty()
+                    } catch (_: AssertionError) {
+                        false
+                    }
+                }
+            } catch (e: Throwable) {
+                // dump semantics tree for debugging before failing
+                    try {
+                        composeTestRule.onRoot().printToLog("CmsActivateResendTest-SEMTREE")
+                    } catch (_: Throwable) { /* best-effort logging */ }
+                throw AssertionError("Timed out waiting for text: '$text'")
+            }
+        }
+
+        // helper: find the nearest parent node that has a click action
+        fun findClickableParent(text: String): SemanticsNodeInteraction {
+            val all = composeTestRule.onAllNodes(hasText(text))
+            if (all.fetchSemanticsNodes().isEmpty()) {
+                try {
+                    composeTestRule.onRoot().printToLog("CmsActivateResendTest-SEMTREE-NOT-FOUND-$text")
+                } catch (_: Throwable) { }
+                throw AssertionError("No node found with text '$text'")
+            }
+
+            // Log matches for debugging
+            try {
+                val matches = all.fetchSemanticsNodes()
+                Log.d("CmsActivateResendTest", "Found ${matches.size} node(s) for text '$text'")
+                matches.forEachIndexed { i, n -> Log.d("CmsActivateResendTest", "Match[$i]: ${n}") }
+            } catch (_: Throwable) { /* ignore logging failures */ }
+
+            var node = try {
+                // prefer the single-node API, but fall back to the first match if ambiguous
+                composeTestRule.onNode(hasText(text))
+            } catch (_: AssertionError) {
+                all[0]
+            }
+
+            // climb a few parents to find the clickable wrapper
+            repeat(8) {
+                try {
+                    node.assert(hasClickAction())
+                    try { Log.d("CmsActivateResendTest", "Clickable node found for '$text': ${node.fetchSemanticsNode()}") } catch (_: Throwable) {}
+                    return node
+                } catch (_: AssertionError) {
+                    try { Log.d("CmsActivateResendTest", "Node not clickable yet, current node: ${node.fetchSemanticsNode()}") } catch (_: Throwable) {}
+                    node = node.onParent()
+                }
+            }
+
+            try {
+                composeTestRule.onRoot().printToLog("CmsActivateResendTest-SEMTREE-NO-CLICK-$text")
+            } catch (_: Throwable) { }
+            throw AssertionError("No clickable parent found for text '$text'")
+        }
+
+        waitForText("Deaktivieren")
+        val deactivateNode = findClickableParent("Deaktivieren")
+        deactivateNode.assertExists()
+        deactivateNode.assertIsDisplayed()
+        deactivateNode.assert(hasClickAction())
+        composeTestRule.waitForIdle()
+        try {
+            deactivateNode.performClick()
+        } catch (e: Throwable) {
+            composeTestRule.onRoot().printToLog("CmsActivateResendTest-CLICK-FAIL-DEACTIVATE")
+            throw e
+        }
+
+        waitForText("Invite erneut")
+        val inviteNode = findClickableParent("Invite erneut")
+        inviteNode.assertExists()
+        inviteNode.assertIsDisplayed()
+        inviteNode.assert(hasClickAction())
+        composeTestRule.waitForIdle()
+        try {
+            inviteNode.performClick()
+        } catch (e: Throwable) {
+            composeTestRule.onRoot().printToLog("CmsActivateResendTest-CLICK-FAIL-INVITE")
+            throw e
+        }
+    }
+}
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsExistingScreensSmokeTest.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsExistingScreensSmokeTest.kt
@@ -0,0 +1,392 @@
+package de.harheimertc.ui.screens.cms
+
+import android.content.Context
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.*
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.navigation.compose.rememberNavController
+import com.squareup.moshi.Moshi
+import de.harheimertc.data.ApiService
+import de.harheimertc.data.AuthMessageResponse
+import de.harheimertc.data.AuthStatusResponse
+import de.harheimertc.data.BirthdaysResponse
+import de.harheimertc.data.CmsUserDto
+import de.harheimertc.data.CmsUsersResponse
+import de.harheimertc.data.ConfigResponse
+import de.harheimertc.data.ContactRequest
+import de.harheimertc.data.ContactRequestDto
+import de.harheimertc.data.ContactResponse
+import de.harheimertc.data.LoginRequest
+import de.harheimertc.data.LoginResponse
+import de.harheimertc.data.LogoutRequest
+import de.harheimertc.data.MembersResponse
+import de.harheimertc.data.MembershipRequest
+import de.harheimertc.data.MembershipResponse
+import de.harheimertc.data.NewsletterCreateRequest
+import de.harheimertc.data.NewsletterCreateResponse
+import de.harheimertc.data.NewsletterDto
+import de.harheimertc.data.NewsletterGroupDto
+import de.harheimertc.data.NewsletterGroupsResponse
+import de.harheimertc.data.NewsletterListResponse
+import de.harheimertc.data.NewsletterSendResponse
+import de.harheimertc.data.NewsletterSubscriptionRequest
+import de.harheimertc.data.NewsPublicResponse
+import de.harheimertc.data.NewsResponse
+import de.harheimertc.data.NewsSaveRequest
+import de.harheimertc.data.PasskeyAuthenticationOptionsRequest
+import de.harheimertc.data.PasskeyRegistrationOptionsRequest
+import de.harheimertc.data.PasskeysResponse
+import de.harheimertc.data.PasswordResetAttemptDto
+import de.harheimertc.data.PasswordResetDiagnosticsResponse
+import de.harheimertc.data.ProfileResponse
+import de.harheimertc.data.ProfileUpdateRequest
+import de.harheimertc.data.PublicGalleryImageDto
+import de.harheimertc.data.GalleryListResponse
+import de.harheimertc.data.GalleryUploadResponse
+import de.harheimertc.data.RefreshRequest
+import de.harheimertc.data.RegistrationRequest
+import de.harheimertc.data.RemovePasskeyRequest
+import de.harheimertc.data.ResetPasswordRequest
+import de.harheimertc.data.SaveCsvRequest
+import de.harheimertc.data.SaveCsvResponse
+import de.harheimertc.data.SecureOfflineCache
+import de.harheimertc.data.SpielplanResponse
+import de.harheimertc.data.TeamTableResponse
+import de.harheimertc.data.TermineResponse
+import de.harheimertc.repositories.CmsRepository
+import de.harheimertc.repositories.MeisterschaftResult
+import kotlinx.coroutines.flow.MutableStateFlow
+import okhttp3.MultipartBody
+import okhttp3.RequestBody
+import okhttp3.ResponseBody
+import okhttp3.ResponseBody.Companion.toResponseBody
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertTrue
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import retrofit2.Response
+
+@RunWith(AndroidJUnit4::class)
+class CmsExistingScreensSmokeTest {
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun cmsDashboard_renders() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsDashboardScreen(nav, showBackNavigation = false, viewModel = viewModel)
+        }
+        composeTestRule.onNodeWithText("Vereinsmeisterschaften", substring = true).assertExists()
+    }
+
+    @Test
+    fun cmsStartseite_saveWorks() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsStartseiteScreen(nav, showBackNavigation = false, viewModel = viewModel)
+        }
+        composeTestRule.onNodeWithText("Speichern").performClick()
+        composeTestRule.waitForIdle()
+        assertTrue(api.updateConfigCalls >= 1)
+    }
+
+    @Test
+    fun cmsInhalte_saveWorks() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsInhalteScreen(nav, showBackNavigation = false, viewModel = viewModel)
+        }
+        composeTestRule.onNodeWithText("Inhalte speichern").performClick()
+        composeTestRule.waitForIdle()
+        assertTrue(api.updateConfigCalls >= 1)
+    }
+
+    @Test
+    fun cmsVereinsmeisterschaften_saveWorks() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsVereinsmeisterschaftenScreen(nav, showBackNavigation = false, viewModel = viewModel)
+        }
+        composeTestRule.onNodeWithText("Speichern").performClick()
+        composeTestRule.waitForIdle()
+        assertEquals(1, api.saveCsvCalls)
+    }
+
+    @Test
+    fun cmsSportbetrieb_saveWorks() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsSportbetriebScreen(nav, showBackNavigation = false, viewModel = viewModel)
+        }
+        composeTestRule.onNodeWithText("Speichern").performClick()
+        composeTestRule.waitForIdle()
+        assertTrue(api.updateConfigCalls >= 1)
+    }
+
+    @Test
+    fun cmsEinstellungen_saveWorks() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsEinstellungenScreen(nav, showBackNavigation = false, viewModel = viewModel)
+        }
+        composeTestRule.onNodeWithText("Speichern").performClick()
+        composeTestRule.waitForIdle()
+        assertTrue(api.updateConfigCalls >= 1)
+    }
+
+    @Test
+    fun cmsMitgliederverwaltung_clickFreischalten() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsMitgliederverwaltungScreen(nav, showBackNavigation = false, viewModel = viewModel)
+        }
+        composeTestRule.onNodeWithText("Freischalten").performClick()
+        composeTestRule.waitForIdle()
+        assertEquals(1, api.updateUserActiveCalls)
+    }
+
+    @Test
+    fun cmsBenutzer_clickRollenSpeichern() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsBenutzerScreen(nav, showBackNavigation = false, viewModel = viewModel)
+        }
+        composeTestRule.onNodeWithText("Rollen").performClick()
+        composeTestRule.onNodeWithText("Speichern").performClick()
+        composeTestRule.waitForIdle()
+        assertEquals(1, api.updateUserRolesCalls)
+    }
+
+    @Test
+    fun cmsContactRequests_replySenden() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsContactRequestsScreen(nav, showBackNavigation = false, viewModel = viewModel)
+        }
+        composeTestRule.onNodeWithText("Antworten").performClick()
+        composeTestRule.onNode(hasSetTextAction()).performTextInput("Kurze Testantwort")
+        composeTestRule.onNodeWithText("Senden").performClick()
+        composeTestRule.waitForIdle()
+        assertEquals(1, api.replyContactCalls)
+    }
+
+    @Test
+    fun cmsNewsletter_createAndSave() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsNewsletterScreen(nav, showBackNavigation = false, viewModel = viewModel, canWriteOverride = true)
+        }
+        composeTestRule.onNodeWithText("Newsletter erstellen").performClick()
+        composeTestRule.onNode(hasSetTextAction()).performTextInput("Testnewsletter")
+        composeTestRule.onAllNodes(hasText("Speichern")).onFirst().performClick()
+        composeTestRule.waitForIdle()
+        assertEquals(1, api.createNewsletterCalls)
+    }
+
+    @Test
+    fun cmsPasswordResetDiagnostics_renders() {
+        val api = RecordingApiService()
+        val viewModel = createViewModel(api)
+        renderWithState(viewModel)
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsPasswordResetDiagnosticsScreen(nav, showBackNavigation = false, viewModel = viewModel)
+        }
+        composeTestRule.onNodeWithText("Passwort-Reset-Diagnose", substring = true).assertExists()
+    }
+
+    private fun createViewModel(api: RecordingApiService): CmsViewModel {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        val cache = SecureOfflineCache(context, Moshi.Builder().build())
+        val repository = CmsRepository(api, cache)
+        return CmsViewModel(repository)
+    }
+
+    private fun renderWithState(viewModel: CmsViewModel) {
+        val readyState = CmsUiState(
+            loading = false,
+            saving = false,
+            error = null,
+            message = null,
+            config = ConfigResponse(),
+            users = listOf(
+                CmsUserDto(id = "pending-1", name = "Pending User", email = "pending@example.com", active = false, roles = emptyList()),
+                CmsUserDto(id = "active-1", name = "Active User", email = "active@example.com", active = true, roles = listOf("vorstand")),
+            ),
+            contactRequests = listOf(
+                ContactRequestDto(id = "request-1", name = "Kontakt Test", email = "kontakt@example.com", message = "Bitte melden", status = "offen"),
+            ),
+            newsletters = listOf(
+                NewsletterDto(id = "newsletter-1", title = "Sommerinfo", subject = "Sommerinfo", status = "draft"),
+            ),
+            newsletterGroups = listOf(
+                NewsletterGroupDto(id = "group-1", name = "Mitglieder", description = "Alle Mitglieder"),
+            ),
+            passwordResetAttempts = listOf(
+                PasswordResetAttemptDto(requestId = "diag-1", emailMasked = "m***@example.com", failed = true),
+            ),
+            news = emptyList(),
+            meisterschaften = listOf(
+                MeisterschaftResult(year = "2025", category = "Herren", rank = "1", playerOne = "Erika Muster", playerTwo = "", note = "Titel verteidigt", imageOne = "", imageTwo = ""),
+            ),
+        )
+        val field = CmsViewModel::class.java.getDeclaredField("_state")
+        field.isAccessible = true
+        @Suppress("UNCHECKED_CAST")
+        (field.get(viewModel) as MutableStateFlow<CmsUiState>).value = readyState
+    }
+}
+
+private class RecordingApiService : ApiService {
+    var updateConfigCalls = 0
+    var saveCsvCalls = 0
+    var updateUserActiveCalls = 0
+    var updateUserRolesCalls = 0
+    var replyContactCalls = 0
+    var createNewsletterCalls = 0
+
+    private val config = ConfigResponse()
+    private val users = listOf(
+        CmsUserDto(id = "pending-1", name = "Pending User", email = "pending@example.com", active = false, roles = emptyList()),
+        CmsUserDto(id = "active-1", name = "Active User", email = "active@example.com", active = true, roles = listOf("vorstand")),
+    )
+    private val contactRequests = listOf(
+        ContactRequestDto(id = "request-1", name = "Kontakt Test", email = "kontakt@example.com", message = "Bitte melden", status = "offen"),
+    )
+    private val newsletters = listOf(
+        NewsletterDto(id = "newsletter-1", title = "Sommerinfo", subject = "Sommerinfo", status = "draft"),
+    )
+    private val groups = listOf(
+        NewsletterGroupDto(id = "group-1", name = "Mitglieder", description = "Alle Mitglieder"),
+    )
+    private val diagnostics = listOf(
+        PasswordResetAttemptDto(requestId = "diag-1", emailMasked = "m***@example.com", failed = true),
+    )
+
+    override suspend fun publicGalleryImages(): Response<List<PublicGalleryImageDto>> = Response.success(emptyList())
+    override suspend fun postContact(req: ContactRequest): Response<ContactResponse> = Response.success(ContactResponse(ok = true))
+    override suspend fun galerieList(page: Int, perPage: Int): Response<GalleryListResponse> = Response.success(GalleryListResponse())
+    override suspend fun uploadGalleryImage(image: MultipartBody.Part, title: RequestBody, description: RequestBody, isPublic: RequestBody): Response<GalleryUploadResponse> = Response.success(GalleryUploadResponse())
+    override suspend fun termine(): Response<TermineResponse> = Response.success(TermineResponse())
+    override suspend fun spielplan(season: String?): Response<SpielplanResponse> = Response.success(SpielplanResponse())
+    override suspend fun spielplanTable(team: String, season: String?): Response<TeamTableResponse> = Response.success(TeamTableResponse())
+    override suspend fun publicNews(): Response<NewsPublicResponse> = Response.success(NewsPublicResponse())
+    override suspend fun memberNews(): Response<NewsResponse> = Response.success(NewsResponse(success = true, news = emptyList()))
+    override suspend fun saveNews(request: NewsSaveRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true, message = "ok"))
+    override suspend fun deleteNews(id: Int): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+    override suspend fun mannschaften(season: String?): Response<ResponseBody> = Response.success(null)
+    override suspend fun config(): Response<ConfigResponse> = Response.success(config)
+    override suspend fun updateConfig(request: ConfigResponse): Response<ConfigResponse> {
+        updateConfigCalls++
+        return Response.success(request)
+    }
+    override suspend fun spielsysteme(): Response<ResponseBody> = Response.success(null)
+    override suspend fun vereinsmeisterschaften(): Response<ResponseBody> =
+        Response.success("Jahr,Kategorie,Platz,Spieler1,Spieler2,Bemerkung,imageFilename1,imageFilename2\n\"2025\",\"Herren\",\"1\",\"Erika Muster\",\"\",\"Titel verteidigt\",\"\",\"\"".toResponseBody(null))
+    override suspend fun saveCsv(request: SaveCsvRequest): Response<SaveCsvResponse> {
+        saveCsvCalls++
+        return Response.success(SaveCsvResponse(success = true, message = "CSV gespeichert"))
+    }
+    override suspend fun generateMembershipPdf(request: MembershipRequest): Response<MembershipResponse> = Response.success(MembershipResponse())
+    override suspend fun downloadMembershipPdf(downloadUrl: String): Response<ResponseBody> = Response.success(null)
+    override suspend fun login(request: LoginRequest): Response<LoginResponse> = Response.success(LoginResponse())
+    override suspend fun logout(request: LogoutRequest): Response<Unit> = Response.success(Unit)
+    override suspend fun refresh(request: RefreshRequest): Response<LoginResponse> = Response.success(LoginResponse())
+    override suspend fun authStatus(): Response<AuthStatusResponse> = Response.success(AuthStatusResponse())
+    override suspend fun resetPassword(request: ResetPasswordRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+    override suspend fun register(request: RegistrationRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+    override suspend fun passkeyAuthenticationOptions(request: PasskeyAuthenticationOptionsRequest): Response<ResponseBody> = Response.success(null)
+    override suspend fun passkeyLogin(request: RequestBody): Response<LoginResponse> = Response.success(LoginResponse())
+    override suspend fun passkeys(): Response<PasskeysResponse> = Response.success(PasskeysResponse())
+    override suspend fun passkeyRegistrationOptions(request: PasskeyRegistrationOptionsRequest): Response<ResponseBody> = Response.success(null)
+    override suspend fun registerPasskey(request: RequestBody): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+    override suspend fun removePasskey(request: RemovePasskeyRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+    override suspend fun profile(): Response<ProfileResponse> = Response.success(ProfileResponse())
+    override suspend fun updateProfile(request: ProfileUpdateRequest): Response<ProfileResponse> = Response.success(ProfileResponse())
+    override suspend fun birthdays(): Response<BirthdaysResponse> = Response.success(BirthdaysResponse())
+    override suspend fun members(): Response<MembersResponse> = Response.success(MembersResponse())
+    override suspend fun saveMember(request: ApiService.MemberSaveRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+    override suspend fun deleteMember(body: Map<String, String>): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+    override suspend fun bulkImportMembers(request: ApiService.BulkImportRequest): Response<ApiService.BulkImportResponse> = Response.success(ApiService.BulkImportResponse())
+    override suspend fun toggleMannschaftsspieler(body: Map<String, String>): Response<Map<String, Any>> = Response.success(emptyMap())
+    override suspend fun cmsUsers(): Response<CmsUsersResponse> = Response.success(CmsUsersResponse(users = users))
+    override suspend fun updateUserRoles(request: ApiService.UpdateUserRolesRequest): Response<AuthMessageResponse> {
+        updateUserRolesCalls++
+        return Response.success(AuthMessageResponse(success = true, message = "Rollen aktualisiert"))
+    }
+    override suspend fun updateUserActive(request: ApiService.UpdateUserActiveRequest): Response<AuthMessageResponse> {
+        updateUserActiveCalls++
+        return Response.success(AuthMessageResponse(success = true, message = "Status aktualisiert"))
+    }
+    override suspend fun resendInvite(id: String): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+    override suspend fun contactRequests(): Response<List<ContactRequestDto>> = Response.success(contactRequests)
+    override suspend fun replyToContactRequest(id: String, request: ApiService.ContactReplyRequest): Response<ContactResponse> {
+        replyContactCalls++
+        return Response.success(ContactResponse(ok = true, message = "Antwort versendet"))
+    }
+    override suspend fun toggleContactRequestStatus(id: String): Response<ContactResponse> = Response.success(ContactResponse(ok = true, message = "Status aktualisiert"))
+    override suspend fun newsletters(): Response<NewsletterListResponse> = Response.success(NewsletterListResponse(success = true, newsletters = newsletters))
+    override suspend fun newsletterGroups(): Response<NewsletterGroupsResponse> = Response.success(NewsletterGroupsResponse(success = true, groups = groups))
+    override suspend fun createNewsletterGroup(request: Map<String, Any?>): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+    override suspend fun updateNewsletterGroup(id: String, request: Map<String, Any?>): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+    override suspend fun deleteNewsletterGroup(id: String): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+    override suspend fun createNewsletter(request: NewsletterCreateRequest): Response<NewsletterCreateResponse> {
+        createNewsletterCalls++
+        return Response.success(NewsletterCreateResponse(success = true, message = "Newsletter gespeichert"))
+    }
+    override suspend fun updateNewsletter(id: String, request: Map<String, Any?>): Response<NewsletterCreateResponse> = Response.success(NewsletterCreateResponse(success = true))
+    override suspend fun sendNewsletter(id: String): Response<NewsletterSendResponse> = Response.success(NewsletterSendResponse(success = true))
+    override suspend fun deleteNewsletter(id: String): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+    override suspend fun publicNewsletterGroups(): Response<NewsletterGroupsResponse> = Response.success(NewsletterGroupsResponse(success = true, groups = groups))
+    override suspend fun subscribeNewsletter(request: NewsletterSubscriptionRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+    override suspend fun unsubscribeNewsletter(request: NewsletterSubscriptionRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+    override suspend fun confirmNewsletter(token: String): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+    override suspend fun passwordResetDiagnostics(
+        email: String?,
+        failedOnly: Boolean,
+    ): Response<PasswordResetDiagnosticsResponse> = Response.success(PasswordResetDiagnosticsResponse(attempts = diagnostics))
+}
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsPasswordResetDiagnosticsScreenTest.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsPasswordResetDiagnosticsScreenTest.kt
@@ -0,0 +1,123 @@
+package de.harheimertc.ui.screens.cms
+
+import android.content.Context
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.*
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.navigation.compose.rememberNavController
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.squareup.moshi.Moshi
+import de.harheimertc.data.ApiService
+import de.harheimertc.data.CmsUsersResponse
+import de.harheimertc.data.ConfigResponse
+import de.harheimertc.data.ContactRequestDto
+import de.harheimertc.data.NewsDto
+import de.harheimertc.data.NewsResponse
+import de.harheimertc.data.NewsletterGroupsResponse
+import de.harheimertc.data.NewsletterListResponse
+import de.harheimertc.data.PasswordResetAttemptDto
+import de.harheimertc.data.PasswordResetDiagnosticsResponse
+import de.harheimertc.data.PasswordResetStepDto
+import de.harheimertc.data.SecureOfflineCache
+import de.harheimertc.repositories.CmsRepository
+import okhttp3.ResponseBody
+import okhttp3.ResponseBody.Companion.toResponseBody
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import retrofit2.Response
+import java.lang.reflect.InvocationHandler
+import java.lang.reflect.Method
+import java.lang.reflect.Proxy
+
+@RunWith(AndroidJUnit4::class)
+class CmsPasswordResetDiagnosticsScreenTest {
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun diagnosticsScreen_showsFilterAndAttemptDetails() {
+        val api = createDiagnosticsApiService()
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        val cache = SecureOfflineCache(context, Moshi.Builder().build())
+        val repo = CmsRepository(api, cache)
+        val viewModel = CmsViewModel(repo)
+
+        composeTestRule.setContent {
+            val navController = rememberNavController()
+            CmsPasswordResetDiagnosticsScreen(navController, showBackNavigation = false, viewModel = viewModel)
+        }
+
+        composeTestRule.waitUntil(15_000) {
+            try {
+                composeTestRule.onNodeWithText("Nur Auffälligkeiten", useUnmergedTree = true).assertExists()
+                true
+            } catch (_: Throwable) {
+                false
+            }
+        }
+
+        composeTestRule.onNodeWithText("Nur Auffälligkeiten", useUnmergedTree = true).assertExists()
+        composeTestRule.onNodeWithText("Prüfen", useUnmergedTree = true).assertExists()
+        composeTestRule.onNodeWithText("Reset-Vorgänge", useUnmergedTree = true).assertExists()
+        composeTestRule.onNodeWithText("Aktualisieren", useUnmergedTree = true).assertExists()
+
+        // Trigger a manual refresh to validate the main interaction path.
+        composeTestRule.onNodeWithText("Prüfen", useUnmergedTree = true).performClick()
+        composeTestRule.waitForIdle()
+    }
+
+    private fun createDiagnosticsApiService(): ApiService {
+        val attempt = PasswordResetAttemptDto(
+            requestId = "req-1",
+            startedAt = "2026-05-29T10:15:00Z",
+            emailMasked = "m***@example.com",
+            ip = "127.0.0.1",
+            failed = true,
+            steps = listOf(
+                PasswordResetStepDto(
+                    ts = "2026-05-29T10:15:01Z",
+                    step = "mail_configuration",
+                    status = "failed",
+                    reason = "smtp_credentials_missing",
+                ),
+            ),
+        )
+
+        val handler = InvocationHandler { _, method: Method, _ ->
+            when (method.name) {
+                "config" -> Response.success(ConfigResponse())
+                "users" -> Response.success(CmsUsersResponse())
+                "cmsUsers" -> Response.success(CmsUsersResponse())
+                "contactRequests" -> Response.success(listOf<ContactRequestDto>())
+                "newsletters" -> Response.success(NewsletterListResponse(success = true, newsletters = emptyList()))
+                "newsletterGroups" -> Response.success(NewsletterGroupsResponse(success = true, groups = emptyList()))
+                "memberNews" -> Response.success(NewsResponse(success = true, news = listOf(NewsDto(id = 1, title = "N", content = "C"))))
+                "passwordResetDiagnostics" -> Response.success(
+                    PasswordResetDiagnosticsResponse(
+                        retentionHours = 72,
+                        searchedEmail = "",
+                        matchingUsers = listOf(
+                            de.harheimertc.data.PasswordResetMatchingUserDto(
+                                id = "u1",
+                                name = "Max Muster",
+                                email = "max@example.com",
+                                active = true,
+                            ),
+                        ),
+                        attempts = listOf(attempt),
+                    ),
+                )
+                "vereinsmeisterschaften" -> Response.success("Jahr,Kategorie,Platz,Spieler1,Spieler2,Bemerkung\n".toResponseBody(null))
+                else -> throw UnsupportedOperationException("Unhandled ApiService method in test: ${method.name}")
+            }
+        }
+
+        return Proxy.newProxyInstance(
+            ApiService::class.java.classLoader,
+            arrayOf(ApiService::class.java),
+            handler,
+        ) as ApiService
+    }
+}
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsRolesDialogTest.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsRolesDialogTest.kt
@@ -0,0 +1,85 @@
+package de.harheimertc.ui.screens.cms
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.Checkbox
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.junit4.ComposeTestRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class CmsRolesDialogTest {
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<ComponentActivity>()
+
+    class FakeVm {
+        var calledId: String? = null
+        var calledRoles: List<String>? = null
+        fun updateUserRoles(id: String, roles: List<String>) {
+            calledId = id
+            calledRoles = roles
+        }
+    }
+
+    @Test
+    fun rolesDialog_callsUpdateUserRoles() {
+        val fake = FakeVm()
+        val initialRoles = listOf("admin")
+
+        composeTestRule.setContent {
+            val show = remember { mutableStateOf(false) }
+            val selected = remember { mutableStateListOf<String>().apply { addAll(initialRoles) } }
+            Column {
+                Button(onClick = { show.value = true }) { Text("Rollen") }
+                if (show.value) {
+                    AlertDialog(
+                        onDismissRequest = { show.value = false },
+                        title = { Text("Rollen bearbeiten") },
+                        text = {
+                            Column(modifier = Modifier.padding(4.dp)) {
+                                // simple checkbox row for admin only (representative)
+                                Row {
+                                    Checkbox(checked = selected.contains("admin"), onCheckedChange = { checked ->
+                                        if (checked) selected.add("admin") else selected.remove("admin")
+                                    })
+                                    Text("admin", modifier = Modifier.padding(start = 8.dp))
+                                }
+                            }
+                        },
+                        confirmButton = {
+                            Button(onClick = {
+                                fake.updateUserRoles("42", selected.toList())
+                                show.value = false
+                            }) { Text("Speichern") }
+                        },
+                        dismissButton = { TextButton(onClick = { show.value = false }) { Text("Abbrechen") } }
+                    )
+                }
+            }
+        }
+
+        // Open dialog
+        composeTestRule.onNodeWithText("Rollen").performClick()
+        // Save immediately (we keep admin preselected)
+        composeTestRule.onNodeWithText("Speichern").performClick()
+
+        assert(fake.calledId == "42")
+        assert(fake.calledRoles?.contains("admin") == true)
+    }
+}
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsScreenTest.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsScreenTest.kt
@@ -0,0 +1,25 @@
+package de.harheimertc.ui.screens.cms
+
+import androidx.activity.ComponentActivity
+import androidx.compose.material3.Text
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.*
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class CmsScreenTest {
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun cmsScreen_placeholder() {
+        composeTestRule.setContent {
+            Text("CMS Placeholder")
+        }
+
+        composeTestRule.onNodeWithText("CMS Placeholder").assertExists()
+    }
+}
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsStartseiteSmokeTest.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsStartseiteSmokeTest.kt
@@ -0,0 +1,156 @@
+package de.harheimertc.ui.screens.cms
+
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.hasText
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import androidx.compose.ui.test.junit4.ComposeTestRule
+import androidx.compose.ui.test.*
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.core.app.ApplicationProvider
+import com.squareup.moshi.Moshi
+import kotlinx.coroutines.runBlocking
+import org.junit.Rule
+import org.junit.Test
+import org.junit.Assert.assertTrue
+import org.junit.runner.RunWith
+import retrofit2.Response
+import okhttp3.MultipartBody
+import okhttp3.RequestBody
+import de.harheimertc.data.*
+import kotlinx.coroutines.flow.MutableStateFlow
+import de.harheimertc.repositories.CmsRepository
+import androidx.navigation.compose.rememberNavController
+
+@RunWith(AndroidJUnit4::class)
+class CmsStartseiteSmokeTest {
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun cmsStartseite_rendersWithDefaultState() {
+        // prepare a minimal fake ApiService that returns empty/neutral responses
+        val fakeApi = object : ApiService {
+            override suspend fun publicGalleryImages(): Response<List<PublicGalleryImageDto>> = Response.success(emptyList())
+            override suspend fun postContact(req: ContactRequest): Response<ContactResponse> = Response.success(ContactResponse(ok = true))
+            override suspend fun galerieList(page: Int, perPage: Int): Response<GalleryListResponse> = Response.success(GalleryListResponse())
+            override suspend fun uploadGalleryImage(image: MultipartBody.Part, title: RequestBody, description: RequestBody, isPublic: RequestBody): Response<GalleryUploadResponse> = Response.success(GalleryUploadResponse())
+            override suspend fun termine(): Response<TermineResponse> = Response.success(TermineResponse())
+            override suspend fun spielplan(season: String?): Response<SpielplanResponse> = Response.success(SpielplanResponse())
+            override suspend fun spielplanTable(team: String, season: String?): Response<TeamTableResponse> = Response.success(TeamTableResponse())
+            override suspend fun publicNews(): Response<NewsPublicResponse> = Response.success(NewsPublicResponse())
+            override suspend fun memberNews(): Response<NewsResponse> = Response.success(NewsResponse(success = true, news = emptyList()))
+            override suspend fun saveNews(request: NewsSaveRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true, message = "ok"))
+            override suspend fun deleteNews(id: Int): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+            override suspend fun mannschaften(season: String?): Response<okhttp3.ResponseBody> = Response.success(null)
+            override suspend fun config(): Response<ConfigResponse> = Response.success(ConfigResponse())
+            override suspend fun updateConfig(request: ConfigResponse): Response<ConfigResponse> = Response.success(request)
+            override suspend fun spielsysteme(): Response<okhttp3.ResponseBody> = Response.success(null)
+            override suspend fun vereinsmeisterschaften(): Response<okhttp3.ResponseBody> = Response.success(null)
+            override suspend fun saveCsv(request: SaveCsvRequest): Response<SaveCsvResponse> = Response.success(SaveCsvResponse(success = true))
+            override suspend fun generateMembershipPdf(request: MembershipRequest): Response<MembershipResponse> = Response.success(MembershipResponse())
+            override suspend fun downloadMembershipPdf(downloadUrl: String): Response<okhttp3.ResponseBody> = Response.success(null)
+            override suspend fun login(request: LoginRequest): Response<LoginResponse> = Response.success(LoginResponse())
+            override suspend fun logout(request: LogoutRequest): Response<Unit> = Response.success(Unit)
+            override suspend fun refresh(request: RefreshRequest): Response<LoginResponse> = Response.success(LoginResponse())
+            override suspend fun authStatus(): Response<AuthStatusResponse> = Response.success(AuthStatusResponse())
+            override suspend fun resetPassword(request: ResetPasswordRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+            override suspend fun register(request: RegistrationRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+            override suspend fun passkeyAuthenticationOptions(request: PasskeyAuthenticationOptionsRequest): Response<okhttp3.ResponseBody> = Response.success(null)
+            override suspend fun passkeyLogin(request: okhttp3.RequestBody): Response<LoginResponse> = Response.success(LoginResponse())
+            override suspend fun passkeys(): Response<PasskeysResponse> = Response.success(PasskeysResponse())
+            override suspend fun passkeyRegistrationOptions(request: PasskeyRegistrationOptionsRequest): Response<okhttp3.ResponseBody> = Response.success(null)
+            override suspend fun registerPasskey(request: okhttp3.RequestBody): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+            override suspend fun removePasskey(request: RemovePasskeyRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+            override suspend fun profile(): Response<ProfileResponse> = Response.success(ProfileResponse())
+            override suspend fun updateProfile(request: ProfileUpdateRequest): Response<ProfileResponse> = Response.success(ProfileResponse())
+            override suspend fun birthdays(): Response<BirthdaysResponse> = Response.success(BirthdaysResponse())
+            override suspend fun members(): Response<MembersResponse> = Response.success(MembersResponse())
+            override suspend fun saveMember(request: ApiService.MemberSaveRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+            override suspend fun deleteMember(body: Map<String, String>): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+            override suspend fun bulkImportMembers(request: ApiService.BulkImportRequest): Response<ApiService.BulkImportResponse> = Response.success(ApiService.BulkImportResponse())
+            override suspend fun toggleMannschaftsspieler(body: Map<String, String>): Response<Map<String, Any>> = Response.success(emptyMap())
+            override suspend fun cmsUsers(): Response<CmsUsersResponse> = Response.success(CmsUsersResponse())
+            override suspend fun updateUserRoles(request: ApiService.UpdateUserRolesRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+            override suspend fun updateUserActive(request: ApiService.UpdateUserActiveRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+            override suspend fun resendInvite(id: String): Response<AuthMessageResponse> = Response.success(AuthMessageResponse())
+            override suspend fun contactRequests(): Response<List<ContactRequestDto>> = Response.success(emptyList())
+            override suspend fun replyToContactRequest(id: String, request: ApiService.ContactReplyRequest): Response<de.harheimertc.data.ContactResponse> = Response.success(de.harheimertc.data.ContactResponse(ok = true))
+            override suspend fun toggleContactRequestStatus(id: String): Response<de.harheimertc.data.ContactResponse> = Response.success(de.harheimertc.data.ContactResponse(ok = true))
+            override suspend fun newsletters(): Response<NewsletterListResponse> = Response.success(NewsletterListResponse(success = true, newsletters = emptyList()))
+            override suspend fun newsletterGroups(): Response<NewsletterGroupsResponse> = Response.success(NewsletterGroupsResponse(success = true, groups = emptyList()))
+            override suspend fun createNewsletterGroup(request: Map<String, Any?>): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+            override suspend fun updateNewsletterGroup(id: String, request: Map<String, Any?>): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+            override suspend fun deleteNewsletterGroup(id: String): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+            override suspend fun createNewsletter(request: NewsletterCreateRequest): Response<NewsletterCreateResponse> = Response.success(NewsletterCreateResponse(success = true))
+            override suspend fun updateNewsletter(id: String, request: Map<String, Any?>): Response<NewsletterCreateResponse> = Response.success(NewsletterCreateResponse(success = true))
+            override suspend fun sendNewsletter(id: String): Response<NewsletterSendResponse> = Response.success(NewsletterSendResponse(success = true))
+            override suspend fun deleteNewsletter(id: String): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+            override suspend fun publicNewsletterGroups(): Response<NewsletterGroupsResponse> = Response.success(NewsletterGroupsResponse(success = true))
+            override suspend fun subscribeNewsletter(request: NewsletterSubscriptionRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+            override suspend fun unsubscribeNewsletter(request: NewsletterSubscriptionRequest): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+            override suspend fun confirmNewsletter(token: String): Response<AuthMessageResponse> = Response.success(AuthMessageResponse(success = true))
+            override suspend fun passwordResetDiagnostics(
+                email: String?,
+                failedOnly: Boolean,
+            ): Response<PasswordResetDiagnosticsResponse> = Response.success(PasswordResetDiagnosticsResponse())
+        }
+
+        val context = ApplicationProvider.getApplicationContext<android.content.Context>()
+        val moshi = Moshi.Builder().build()
+        val cache = SecureOfflineCache(context, moshi)
+        val repo = CmsRepository(fakeApi, cache)
+        val vm = de.harheimertc.ui.screens.cms.CmsViewModel(repo)
+
+        // set a ready state to avoid waiting for async network loads in Vm.init
+        val readyState = de.harheimertc.ui.screens.cms.CmsUiState(
+            loading = false,
+            saving = false,
+            error = null,
+            message = null,
+            config = ConfigResponse(),
+            users = emptyList(),
+            contactRequests = emptyList(),
+            newsletters = emptyList(),
+            newsletterGroups = emptyList(),
+            passwordResetAttempts = emptyList(),
+            news = emptyList(),
+        )
+        try {
+            val field = de.harheimertc.ui.screens.cms.CmsViewModel::class.java.getDeclaredField("_state")
+            field.isAccessible = true
+            val current = field.get(vm) as? MutableStateFlow<*>
+            if (current is MutableStateFlow<*>) {
+                @Suppress("UNCHECKED_CAST")
+                (current as MutableStateFlow<de.harheimertc.ui.screens.cms.CmsUiState>).value = readyState
+            }
+        } catch (_: Throwable) { /* best-effort, continue */ }
+
+        composeTestRule.setContent {
+            val nav = rememberNavController()
+            CmsStartseiteScreen(nav, showBackNavigation = false, viewModel = vm)
+        }
+
+        // dump semantics tree for debugging
+        try {
+            composeTestRule.onRoot().printToLog("CmsStartseiteSmokeTest-SEMTREE")
+        } catch (_: Throwable) { }
+
+        // wait for the main title and info rows to appear
+        fun waitForText(text: String, timeoutMs: Long = 20000L) {
+            composeTestRule.waitUntil(timeoutMs) {
+                try {
+                    composeTestRule.onAllNodes(hasText(text, substring = true)).fetchSemanticsNodes().isNotEmpty()
+                } catch (_: AssertionError) { false }
+            }
+        }
+
+        waitForText("Startseite")
+        waitForText("Öffentliche")
+
+        // basic assertions (use substring matching)
+        assertTrue(composeTestRule.onAllNodes(hasText("Startseite", substring = true)).fetchSemanticsNodes().isNotEmpty())
+        assertTrue(composeTestRule.onAllNodes(hasText("Öffentliche", substring = true)).fetchSemanticsNodes().isNotEmpty())
+    }
+}
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsUiAutomatorClickTest.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/cms/CmsUiAutomatorClickTest.kt
@@ -0,0 +1,144 @@
+package de.harheimertc.ui.screens.cms
+
+import android.content.Intent
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.By
+import androidx.test.uiautomator.UiDevice
+import androidx.test.uiautomator.UiObject2
+import androidx.test.uiautomator.Until
+import org.junit.Assert.assertNotNull
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class CmsUiAutomatorClickTest {
+
+    @Test
+    fun clickThroughExistingCmsPages_andTrySave() {
+        val instrumentation = InstrumentationRegistry.getInstrumentation()
+        val context = instrumentation.targetContext
+        val device = UiDevice.getInstance(instrumentation)
+        val packageName = "de.harheimertc.local"
+
+        val launchIntent = context.packageManager.getLaunchIntentForPackage(packageName)
+            ?.apply {
+                addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            }
+        assertNotNull("Launch-Intent fuer de.harheimertc.local nicht gefunden", launchIntent)
+        context.startActivity(launchIntent)
+
+        device.wait(Until.hasObject(By.pkg(packageName).depth(0)), 15000)
+
+        clickText(device, "Intern")
+        clickText(device, "CMS")
+
+        openCmsCard(device, "Startseite")
+        clickIfPresent(device, "Speichern")
+        backToCmsDashboard(device)
+
+        openCmsCard(device, "Inhalte")
+        clickIfPresent(device, "Inhalte speichern")
+        backToCmsDashboard(device)
+
+        openCmsCard(device, "Vereinsmeisterschaften")
+        clickIfPresent(device, "Speichern")
+        backToCmsDashboard(device)
+
+        openCmsCard(device, "Sportbetrieb")
+        clickIfPresent(device, "Speichern")
+        backToCmsDashboard(device)
+
+        openCmsCard(device, "Einstellungen")
+        clickIfPresent(device, "Speichern")
+        backToCmsDashboard(device)
+
+        openCmsCard(device, "Mitgliederverwaltung")
+        clickIfPresent(device, "Freischalten")
+        backToCmsDashboard(device)
+
+        openCmsCard(device, "Kontaktanfragen")
+        clickIfPresent(device, "Antworten")
+        clickIfPresent(device, "Abbrechen")
+        backToCmsDashboard(device)
+
+        openCmsCard(device, "Newsletter")
+        clickIfPresent(device, "Newsletter erstellen")
+        clickIfPresent(device, "Abbrechen")
+        backToCmsDashboard(device)
+
+        if (openCmsCardIfAvailable(device, "Benutzer")) {
+            clickIfPresent(device, "Rollen")
+            clickIfPresent(device, "Abbrechen")
+            backToCmsDashboard(device)
+        }
+
+        openCmsCardIfAvailable(device, "Passwort-Reset-Diagnose")
+
+        // Wenn wir am Ende noch im App-Paket sind, ist der Flow nicht gecrasht.
+        device.wait(Until.hasObject(By.pkg(packageName).depth(0)), 5000)
+    }
+
+    private fun openCmsCard(device: UiDevice, label: String) {
+        if (!clickIfPresent(device, label, 2500) && !clickTextWithScroll(device, label)) {
+            clickText(device, label)
+        }
+    }
+
+    private fun openCmsCardIfAvailable(device: UiDevice, label: String): Boolean {
+        if (clickIfPresent(device, label, 1500)) return true
+        return clickTextWithScroll(device, label)
+    }
+
+    private fun backToCmsDashboard(device: UiDevice) {
+        if (!clickIfPresent(device, "CMS", 3000)) {
+            device.pressBack()
+            device.waitForIdle()
+        }
+    }
+
+    private fun clickText(device: UiDevice, text: String, timeoutMs: Long = 10000): UiObject2 {
+        val obj = device.wait(Until.findObject(By.textContains(text)), timeoutMs)
+        requireNotNull(obj) { "Text nicht gefunden: $text" }
+        obj.click()
+        device.waitForIdle()
+        return obj
+    }
+
+    private fun clickIfPresent(device: UiDevice, text: String, timeoutMs: Long = 1500): Boolean {
+        val obj = device.wait(Until.findObject(By.textContains(text)), timeoutMs)
+        if (obj != null) {
+            obj.click()
+            device.waitForIdle()
+            return true
+        }
+        return false
+    }
+
+    private fun clickTextWithScroll(device: UiDevice, text: String, maxSwipes: Int = 5): Boolean {
+        if (clickIfPresent(device, text, 1500)) return true
+        repeat(maxSwipes) {
+            device.swipe(
+                device.displayWidth / 2,
+                (device.displayHeight * 0.8).toInt(),
+                device.displayWidth / 2,
+                (device.displayHeight * 0.25).toInt(),
+                24,
+            )
+            device.waitForIdle()
+            if (clickIfPresent(device, text, 1200)) return true
+        }
+        repeat(maxSwipes) {
+            device.swipe(
+                device.displayWidth / 2,
+                (device.displayHeight * 0.25).toInt(),
+                device.displayWidth / 2,
+                (device.displayHeight * 0.8).toInt(),
+                24,
+            )
+            device.waitForIdle()
+            if (clickIfPresent(device, text, 1200)) return true
+        }
+        return false
+    }
+}
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/gallery/GalleryScreenTest.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/gallery/GalleryScreenTest.kt
@@ -0,0 +1,24 @@
+package de.harheimertc.ui.screens.gallery
+
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.*
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class GalleryScreenTest {
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun galleryScreen_rendersPlaceholder() {
+        composeTestRule.setContent {
+            GalleryScreen()
+        }
+
+        composeTestRule.onRoot().assertExists()
+    }
+}
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/home/HomeScreenTest.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/home/HomeScreenTest.kt
@@ -0,0 +1,26 @@
+package de.harheimertc.ui.screens.home
+
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.*
+import androidx.navigation.compose.rememberNavController
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class HomeScreenTest {
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun homeScreen_renders() {
+        composeTestRule.setContent {
+            val navController = rememberNavController()
+            HomeScreen(navController = navController, showNavigationHeader = false)
+        }
+
+        composeTestRule.onRoot().assertExists()
+    }
+}
--- a/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/login/LoginScreenTest.kt
+++ b/android-app/app/src/androidTest/java/de/harheimertc/ui/screens/login/LoginScreenTest.kt
@@ -0,0 +1,25 @@
+package de.harheimertc.ui.screens.login
+
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.navigation.compose.rememberNavController
+import org.junit.Rule
+import org.junit.Test
+
+class LoginScreenTest {
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun loginScreen_showsFields() {
+        composeTestRule.setContent {
+            val navController = rememberNavController()
+            LoginScreen(navController = navController, showBackNavigation = false)
+        }
+
+        composeTestRule.onNodeWithText("E-Mail-Adresse", useUnmergedTree = true).assertExists()
+        composeTestRule.onNodeWithText("Passwort", useUnmergedTree = true).assertExists()
+        composeTestRule.onNodeWithText("Anmelden", useUnmergedTree = true).assertExists()
+    }
+}
--- a/android-app/app/src/debug/AndroidManifest.xml
+++ b/android-app/app/src/debug/AndroidManifest.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application>
+        <!-- Disable Sentry automatic initialization in debug/test builds -->
+        <meta-data android:name="io.sentry.auto-init" android:value="false" />
+        <meta-data android:name="io.sentry.dsn" android:value="" />
+    </application>
+</manifest>
--- a/android-app/app/src/main/AndroidManifest.xml
+++ b/android-app/app/src/main/AndroidManifest.xml
@@ -5,7 +5,8 @@

    <application
        android:name=".HarheimerApplication"
-        android:label="HarheimerTC"
+        android:label="@string/app_name"
+        android:icon="@mipmap/ic_launcher"
        android:theme="@style/Theme.HarheimerTC"
        android:usesCleartextTraffic="${usesCleartextTraffic}">
        <activity android:name="de.harheimertc.MainActivity"
--- a/android-app/app/src/main/java/de/harheimertc/HarheimerApplication.kt
+++ b/android-app/app/src/main/java/de/harheimertc/HarheimerApplication.kt
@@ -1,7 +1,49 @@
 package de.harheimertc

 import android.app.Application
+import coil.ImageLoader
+import coil.ImageLoaderFactory
+import coil.disk.DiskCache
+import coil.memory.MemoryCache
 import dagger.hilt.android.HiltAndroidApp
+import io.sentry.Sentry
+import okhttp3.OkHttpClient
+import javax.inject.Inject
+import android.util.Log

@HiltAndroidApp
-class HarheimerApplication : Application()
+class HarheimerApplication : Application(), ImageLoaderFactory {
+    @Inject
+    lateinit var okHttpClient: OkHttpClient
+
+    override fun onCreate() {
+        Log.d("HILT", "HarheimerApplication.onCreate called")
+        super.onCreate()
+        if (BuildConfig.SENTRY_DSN.isNotBlank()) {
+            Sentry.init { options ->
+                options.dsn = BuildConfig.SENTRY_DSN
+                options.environment = BuildConfig.ENVIRONMENT_NAME.ifBlank { "production" }
+                options.release = "${BuildConfig.APPLICATION_ID}@${BuildConfig.VERSION_NAME}+${BuildConfig.VERSION_CODE}"
+                options.isEnableAutoSessionTracking = true
+                options.tracesSampleRate = 0.05
+            }
+        }
+    }
+
+    override fun newImageLoader(): ImageLoader =
+        ImageLoader.Builder(this)
+            .okHttpClient(okHttpClient)
+            .memoryCache {
+                MemoryCache.Builder(this)
+                    .maxSizePercent(0.20)
+                    .build()
+            }
+            .diskCache {
+                DiskCache.Builder()
+                    .directory(cacheDir.resolve("image_cache"))
+                    .maxSizeBytes(75L * 1024L * 1024L)
+                    .build()
+            }
+            .crossfade(true)
+            .build()
+}
--- a/android-app/app/src/main/java/de/harheimertc/MainActivity.kt
+++ b/android-app/app/src/main/java/de/harheimertc/MainActivity.kt
@@ -6,9 +6,14 @@ import androidx.activity.compose.setContent
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.navigation.compose.rememberNavController
-import dagger.hilt.android.AndroidEntryPoint
 import de.harheimertc.ui.navigation.NavGraph
+import de.harheimertc.ui.navigation.Destinations
 import de.harheimertc.ui.theme.HarheimerTheme
+import androidx.hilt.navigation.compose.hiltViewModel
+import de.harheimertc.ui.navigation.NavigationViewModel
+import dagger.hilt.android.AndroidEntryPoint
+import android.util.Log
+import androidx.compose.ui.platform.LocalContext

@AndroidEntryPoint
 class MainActivity : ComponentActivity() {
@@ -24,7 +29,11 @@ class MainActivity : ComponentActivity() {
 fun App() {
    HarheimerTheme {
        val navController = rememberNavController()
-        NavGraph(navController = navController)
+        val ctx = LocalContext.current
+        val activity = ctx as? ComponentActivity
+        Log.i("HILT_FACTORY", "defaultViewModelProviderFactory=${activity?.defaultViewModelProviderFactory?.javaClass?.name}")
+        val navigationViewModel: NavigationViewModel = hiltViewModel()
+        NavGraph(navController = navController, navigationViewModelParam = navigationViewModel)
    }
 }

--- a/android-app/app/src/main/java/de/harheimertc/data/AccessTokenAuthenticator.kt
+++ b/android-app/app/src/main/java/de/harheimertc/data/AccessTokenAuthenticator.kt
@@ -0,0 +1,39 @@
+package de.harheimertc.data
+
+import okhttp3.Authenticator
+import okhttp3.Request
+import okhttp3.Response
+import okhttp3.Route
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AccessTokenAuthenticator @Inject constructor(
+    private val sessionRefresher: SessionRefresher,
+) : Authenticator {
+    override fun authenticate(route: Route?, response: Response): Request? {
+        if (responseCount(response) >= 2) return null
+        if (response.request.url.encodedPath in setOf("/api/auth/login", "/api/auth/logout", "/api/auth/refresh")) {
+            return null
+        }
+
+        val currentAccessToken = response.request.header("Authorization")
+            ?.removePrefix("Bearer ")
+            ?.takeIf(String::isNotBlank)
+        val refreshedToken = sessionRefresher.refreshAccessTokenBlocking(currentAccessToken) ?: return null
+
+        return response.request.newBuilder()
+            .header("Authorization", "Bearer $refreshedToken")
+            .build()
+    }
+
+    private fun responseCount(response: Response): Int {
+        var current: Response? = response
+        var count = 0
+        while (current != null) {
+            count += 1
+            current = current.priorResponse
+        }
+        return count
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/data/ApiService.kt
+++ b/android-app/app/src/main/java/de/harheimertc/data/ApiService.kt
@@ -3,15 +3,23 @@ package de.harheimertc.data
 import com.squareup.moshi.Json
 import retrofit2.Response
 import retrofit2.http.Body
+import retrofit2.http.DELETE
 import retrofit2.http.GET
+import retrofit2.http.Multipart
+import retrofit2.http.PATCH
 import retrofit2.http.POST
+import retrofit2.http.Part
+import retrofit2.http.Path
+import retrofit2.http.PUT
 import retrofit2.http.Query
 import retrofit2.http.Url
 import retrofit2.http.Streaming
+import okhttp3.MultipartBody
 import okhttp3.ResponseBody
+import okhttp3.RequestBody

 data class ContactRequest(val name: String, val email: String, val message: String)
-data class ContactResponse(val ok: Boolean, val id: String? = null)
+data class ContactResponse(val ok: Boolean, val id: String? = null, val message: String? = null)
 data class TermineResponse(val success: Boolean = true, val termine: List<TerminDto> = emptyList())
 data class TerminDto(
    val datum: String = "",
@@ -77,11 +85,57 @@ data class NewsDto(
    val title: String = "",
    val content: String = "",
    val created: String? = null,
+    val updated: String? = null,
+    val author: String? = null,
+    val isPublic: Boolean = false,
+    val isHidden: Boolean = false,
+    val expiresAt: String? = null,
+)
+data class NewsResponse(
+    val success: Boolean = false,
+    val news: List<NewsDto> = emptyList(),
+)
+data class NewsSaveRequest(
+    val id: Int? = null,
+    val title: String,
+    val content: String,
+    val isPublic: Boolean = false,
+    val isHidden: Boolean = false,
+    val expiresAt: String? = null,
 )
 data class PublicGalleryImageDto(
    val filename: String = "",
    val title: String = "",
 )
+data class GalleryImageDto(
+    val id: String = "",
+    val title: String = "",
+    val description: String = "",
+    val isPublic: Boolean = false,
+    val uploadedAt: String? = null,
+    val previewFilename: String? = null,
+)
+data class GalleryPaginationDto(
+    val page: Int = 1,
+    val perPage: Int = 10,
+    val total: Int = 0,
+    val totalPages: Int = 0,
+)
+data class GalleryListResponse(
+    val success: Boolean = false,
+    val images: List<GalleryImageDto> = emptyList(),
+    val pagination: GalleryPaginationDto = GalleryPaginationDto(),
+)
+data class GalleryUploadImageDto(
+    val id: String = "",
+    val title: String = "",
+    val isPublic: Boolean = false,
+)
+data class GalleryUploadResponse(
+    val success: Boolean = false,
+    val message: String? = null,
+    val image: GalleryUploadImageDto? = null,
+)
 data class MembershipRequest(
    val vorname: String,
    val nachname: String,
@@ -106,7 +160,12 @@ data class MembershipResponse(
    val message: String? = null,
    val downloadUrl: String? = null,
 )
-data class LoginRequest(val email: String, val password: String)
+data class LoginRequest(
+    val email: String,
+    val password: String,
+    val client: String = "android",
+    val deviceName: String = "Harheimer TC Android-App",
+)
 data class AuthUserDto(
    val id: String? = null,
    val email: String = "",
@@ -116,9 +175,14 @@ data class AuthUserDto(
 data class LoginResponse(
    val success: Boolean = false,
    val token: String? = null,
+    val accessToken: String? = null,
+    val refreshToken: String? = null,
+    val sessionId: String? = null,
    val user: AuthUserDto? = null,
    val role: String? = null,
 )
+data class RefreshRequest(val refreshToken: String)
+data class LogoutRequest(val refreshToken: String? = null)
 data class AuthStatusResponse(
    val isLoggedIn: Boolean = false,
    val user: AuthUserDto? = null,
@@ -127,6 +191,97 @@ data class AuthStatusResponse(
 )
 data class ResetPasswordRequest(val email: String)
 data class AuthMessageResponse(val success: Boolean = false, val message: String? = null)
+data class SaveCsvRequest(
+    val filename: String,
+    val content: String,
+)
+data class SaveCsvResponse(
+    val success: Boolean = false,
+    val message: String? = null,
+    val writtenTo: List<String> = emptyList(),
+    val jsonWrittenTo: List<String> = emptyList(),
+)
+data class PasskeyAuthenticationOptionsRequest(
+    val email: String? = null,
+    val client: String = "android",
+)
+data class PasskeyRegistrationOptionsRequest(
+    val preferredAuthenticatorType: String? = null,
+    val client: String = "android",
+)
+data class PasskeyDto(
+    val id: String = "",
+    val credentialId: String = "",
+    val createdAt: String? = null,
+    val lastUsedAt: String? = null,
+    val name: String = "",
+)
+data class PasskeysResponse(
+    val success: Boolean = false,
+    val passkeys: List<PasskeyDto> = emptyList(),
+)
+data class RemovePasskeyRequest(val credentialId: String)
+data class ProfileVisibilityDto(
+    val showEmail: Boolean = true,
+    val showPhone: Boolean = true,
+    val showAddress: Boolean = false,
+    val showBirthday: Boolean = true,
+)
+data class ProfileUserDto(
+    val id: String? = null,
+    val name: String = "",
+    val email: String = "",
+    val phone: String = "",
+    val geburtsdatum: String = "",
+    val visibility: ProfileVisibilityDto = ProfileVisibilityDto(),
+    val roles: List<String> = emptyList(),
+    val role: String? = null,
+)
+data class ProfileResponse(
+    val success: Boolean = false,
+    val message: String? = null,
+    val user: ProfileUserDto? = null,
+)
+data class ProfileUpdateRequest(
+    val name: String,
+    val email: String,
+    val phone: String? = null,
+    val geburtsdatum: String? = null,
+    val visibility: ProfileVisibilityDto,
+    val currentPassword: String? = null,
+    val newPassword: String? = null,
+)
+data class BirthdayDto(
+    val name: String = "",
+    val dayMonth: String = "",
+    val inDays: Int = 0,
+)
+data class BirthdaysResponse(
+    val success: Boolean = false,
+    val birthdays: List<BirthdayDto> = emptyList(),
+)
+data class MemberDto(
+    val id: String? = null,
+    val name: String = "",
+    val firstName: String = "",
+    val lastName: String = "",
+    val email: String? = null,
+    val phone: String? = null,
+    val address: String? = null,
+    val birthday: String? = null,
+    val geburtsdatum: String? = null,
+    val source: String = "",
+    val notes: String = "",
+    val hasLogin: Boolean = false,
+    val editable: Boolean = false,
+    val isMannschaftsspieler: Boolean = false,
+    val hasHallKey: Boolean = false,
+    val loginRoles: List<String> = emptyList(),
+)
+data class MembersResponse(
+    val success: Boolean = false,
+    val members: List<MemberDto> = emptyList(),
+)
 data class RegistrationVisibility(val showBirthday: Boolean)
 data class RegistrationRequest(
    val name: String,
@@ -180,18 +335,57 @@ data class VorstandDto(
    val sportwart: BoardMemberDto = BoardMemberDto(),
    val jugendwart: BoardMemberDto = BoardMemberDto(),
 )
+data class VereinDto(
+    val name: String = "",
+    val strasse: String = "",
+    val plz: String = "",
+    val ort: String = "",
+    val useVorsitzenderAddress: Boolean = false,
+)
+data class WebsiteResponsibleDto(
+    val vorname: String = "",
+    val nachname: String = "",
+    val email: String = "",
+)
+data class WebsiteDto(
+    val verantwortlicher: WebsiteResponsibleDto = WebsiteResponsibleDto(),
+)
 data class SatzungDto(
    val pdfUrl: String = "",
    val content: String = "",
 )
+data class MembershipTierDto(
+    val id: String = "",
+    val typ: String = "",
+    val beschreibung: String? = null,
+    val preis: Int = 0,
+    val features: List<String> = emptyList(),
+)
 data class LinkItemDto(
    val label: String = "",
    val href: String = "",
    val description: String = "",
+    val id: String = "",
 )
 data class LinkSectionDto(
    val title: String = "",
    val items: List<LinkItemDto> = emptyList(),
+    val id: String = "",
+)
+data class HomepageSectionDto(
+    val id: String = "",
+    val enabled: Boolean = true,
+    val key: String? = null,
+    val marker: String? = null,
+    val config: HomepageSectionConfigDto? = null,
+)
+data class HomepageSectionConfigDto(
+    val season: String? = null,
+    val teamName: String? = null,
+    val teamAgeGroup: String? = null,
+)
+data class HomepageDto(
+    val sections: List<HomepageSectionDto> = emptyList(),
 )
 data class SeitenDto(
    val ueberUns: String = "",
@@ -204,8 +398,110 @@ data class SeitenDto(
 data class ConfigResponse(
    val training: TrainingDto = TrainingDto(),
    val trainer: List<TrainerDto> = emptyList(),
+    val mitgliedschaft: List<MembershipTierDto> = emptyList(),
+    val verein: VereinDto = VereinDto(),
    val vorstand: VorstandDto = VorstandDto(),
+    val website: WebsiteDto = WebsiteDto(),
    val seiten: SeitenDto = SeitenDto(),
+    val homepage: HomepageDto = HomepageDto(),
+)
+data class CmsUserDto(
+    val id: String = "",
+    val email: String? = null,
+    val name: String = "",
+    val roles: List<String> = emptyList(),
+    val role: String? = null,
+    val phone: String = "",
+    val active: Boolean = true,
+    val created: String? = null,
+    val lastLogin: String? = null,
+)
+data class CmsUsersResponse(val users: List<CmsUserDto> = emptyList())
+data class ContactRequestDto(
+    val id: String = "",
+    val name: String = "",
+    val email: String = "",
+    val phone: String? = null,
+    val message: String = "",
+    val status: String = "",
+    val createdAt: String? = null,
+    val repliedAt: String? = null,
+)
+data class NewsletterDto(
+    val id: String = "",
+    val subject: String = "",
+    val title: String = "",
+    val createdAt: String? = null,
+    val sentAt: String? = null,
+    val status: String? = null,
+)
+data class NewsletterListResponse(
+    val success: Boolean = false,
+    val newsletters: List<NewsletterDto> = emptyList(),
+)
+data class NewsletterCreateRequest(
+    val title: String,
+    val content: String,
+    val type: String,
+    val targetGroup: String? = null,
+    val sendToExternal: Boolean? = null,
+)
+
+data class NewsletterCreateResponse(
+    val success: Boolean = false,
+    val message: String? = null,
+    val newsletter: NewsletterDto? = null,
+)
+
+data class NewsletterSendResponse(
+    val success: Boolean = false,
+    val message: String? = null,
+    val stats: Map<String, Any>? = null,
+)
+data class NewsletterGroupDto(
+    val id: String = "",
+    val name: String = "",
+    val description: String = "",
+    val subscribers: List<String> = emptyList(),
+    val createdAt: String? = null,
+)
+data class NewsletterGroupsResponse(
+    val success: Boolean = false,
+    val groups: List<NewsletterGroupDto> = emptyList(),
+)
+data class NewsletterSubscriptionRequest(
+    val groupId: String,
+    val email: String,
+    val name: String? = null,
+)
+data class PasswordResetStepDto(
+    val ts: String? = null,
+    val step: String = "",
+    val status: String = "",
+    val reason: String? = null,
+    val errorCode: String? = null,
+    val errorMessage: String? = null,
+)
+data class PasswordResetAttemptDto(
+    val requestId: String = "",
+    val startedAt: String? = null,
+    val emailMasked: String? = null,
+    val ip: String? = null,
+    val failed: Boolean = false,
+    val steps: List<PasswordResetStepDto> = emptyList(),
+)
+data class PasswordResetMatchingUserDto(
+    val id: String = "",
+    val name: String = "",
+    val email: String = "",
+    val active: Boolean = true,
+    val lastLogin: String? = null,
+)
+data class PasswordResetDiagnosticsResponse(
+    val retentionHours: Int = 0,
+    val searchedEmail: String? = null,
+    val matchingUsers: List<PasswordResetMatchingUserDto> = emptyList(),
+    val attempts: List<PasswordResetAttemptDto> = emptyList(),
 )

 interface ApiService {
@@ -213,7 +509,19 @@ interface ApiService {
    suspend fun postContact(@Body req: ContactRequest): Response<ContactResponse>

    @GET("/api/galerie/list")
-    suspend fun galerieList(): Response<List<String>>
+    suspend fun galerieList(
+        @Query("page") page: Int = 1,
+        @Query("perPage") perPage: Int = 60,
+    ): Response<GalleryListResponse>
+
+    @Multipart
+    @POST("/api/galerie/upload")
+    suspend fun uploadGalleryImage(
+        @Part image: MultipartBody.Part,
+        @Part("title") title: RequestBody,
+        @Part("description") description: RequestBody,
+        @Part("isPublic") isPublic: RequestBody,
+    ): Response<GalleryUploadResponse>

    @GET("/api/galerie")
    suspend fun publicGalleryImages(): Response<List<PublicGalleryImageDto>>
@@ -233,18 +541,33 @@ interface ApiService {
    @GET("/api/news-public")
    suspend fun publicNews(): Response<NewsPublicResponse>

+    @GET("/api/news")
+    suspend fun memberNews(): Response<NewsResponse>
+
+    @POST("/api/news")
+    suspend fun saveNews(@Body request: NewsSaveRequest): Response<AuthMessageResponse>
+
+    @DELETE("/api/news")
+    suspend fun deleteNews(@Query("id") id: Int): Response<AuthMessageResponse>
+
    @GET("/api/mannschaften")
    suspend fun mannschaften(@Query("season") season: String? = null): Response<ResponseBody>

    @GET("/api/config")
    suspend fun config(): Response<ConfigResponse>

+    @PUT("/api/config")
+    suspend fun updateConfig(@Body request: ConfigResponse): Response<ConfigResponse>
+
    @GET("/data/spielsysteme.csv")
    suspend fun spielsysteme(): Response<ResponseBody>

    @GET("/api/vereinsmeisterschaften")
    suspend fun vereinsmeisterschaften(): Response<ResponseBody>

+    @POST("/api/cms/save-csv")
+    suspend fun saveCsv(@Body request: SaveCsvRequest): Response<SaveCsvResponse>
+
    @POST("/api/membership/generate-pdf")
    suspend fun generateMembershipPdf(@Body request: MembershipRequest): Response<MembershipResponse>

@@ -256,7 +579,10 @@ interface ApiService {
    suspend fun login(@Body request: LoginRequest): Response<LoginResponse>

    @POST("/api/auth/logout")
-    suspend fun logout(): Response<Unit>
+    suspend fun logout(@Body request: LogoutRequest): Response<Unit>
+
+    @POST("/api/auth/refresh")
+    suspend fun refresh(@Body request: RefreshRequest): Response<LoginResponse>

    @GET("/api/auth/status")
    suspend fun authStatus(): Response<AuthStatusResponse>
@@ -266,4 +592,133 @@ interface ApiService {

    @POST("/api/auth/register")
    suspend fun register(@Body request: RegistrationRequest): Response<AuthMessageResponse>
+
+    @POST("/api/auth/passkeys/authentication-options")
+    suspend fun passkeyAuthenticationOptions(@Body request: PasskeyAuthenticationOptionsRequest): Response<ResponseBody>
+
+    @POST("/api/auth/passkeys/login")
+    suspend fun passkeyLogin(@Body request: RequestBody): Response<LoginResponse>
+
+    @GET("/api/auth/passkeys/list")
+    suspend fun passkeys(): Response<PasskeysResponse>
+
+    @POST("/api/auth/passkeys/registration-options")
+    suspend fun passkeyRegistrationOptions(@Body request: PasskeyRegistrationOptionsRequest): Response<ResponseBody>
+
+    @POST("/api/auth/passkeys/register")
+    suspend fun registerPasskey(@Body request: RequestBody): Response<AuthMessageResponse>
+
+    @POST("/api/auth/passkeys/remove")
+    suspend fun removePasskey(@Body request: RemovePasskeyRequest): Response<AuthMessageResponse>
+
+    @GET("/api/profile")
+    suspend fun profile(): Response<ProfileResponse>
+
+    @retrofit2.http.PUT("/api/profile")
+    suspend fun updateProfile(@Body request: ProfileUpdateRequest): Response<ProfileResponse>
+
+    @GET("/api/birthdays")
+    suspend fun birthdays(): Response<BirthdaysResponse>
+
+    @GET("/api/members")
+    suspend fun members(): Response<MembersResponse>
+
+    data class MemberSaveRequest(
+        val id: String? = null,
+        val firstName: String,
+        val lastName: String,
+        val geburtsdatum: String,
+        val email: String? = null,
+        val phone: String? = null,
+        val address: String? = null,
+        val notes: String? = null,
+        val isMannschaftsspieler: Boolean = false,
+        val hasHallKey: Boolean = false,
+    )
+
+    data class BulkImportRequest(val members: List<Map<String, String>>)
+    data class BulkImportResponse(val success: Boolean = false, val summary: Map<String, Int>? = null)
+
+    @POST("/api/members")
+    suspend fun saveMember(@Body request: MemberSaveRequest): Response<AuthMessageResponse>
+
+    @DELETE("/api/members")
+    suspend fun deleteMember(@Body body: Map<String, String>): Response<AuthMessageResponse>
+
+    @POST("/api/members/bulk")
+    suspend fun bulkImportMembers(@Body request: BulkImportRequest): Response<BulkImportResponse>
+
+    @POST("/api/members/toggle-mannschaftsspieler")
+    suspend fun toggleMannschaftsspieler(@Body body: Map<String, String>): Response<Map<String, Any>>
+
+    @GET("/api/cms/users/list")
+    suspend fun cmsUsers(): Response<CmsUsersResponse>
+
+    data class UpdateUserRolesRequest(val id: String, val roles: List<String>)
+    data class UpdateUserActiveRequest(val id: String, val active: Boolean)
+
+    @PUT("/api/cms/users/update-roles")
+    suspend fun updateUserRoles(@Body request: UpdateUserRolesRequest): Response<AuthMessageResponse>
+
+    @PUT("/api/cms/users/update-active")
+    suspend fun updateUserActive(@Body request: UpdateUserActiveRequest): Response<AuthMessageResponse>
+
+    @POST("/api/cms/users/resend-invite")
+    suspend fun resendInvite(@Query("id") id: String): Response<AuthMessageResponse>
+
+    @GET("/api/cms/contact-requests")
+    suspend fun contactRequests(): Response<List<ContactRequestDto>>
+
+    data class ContactReplyRequest(val message: String)
+
+    @POST("/api/cms/contact-requests/{id}/reply")
+    suspend fun replyToContactRequest(@Path("id") id: String, @Body request: ContactReplyRequest): Response<de.harheimertc.data.ContactResponse>
+
+    @PATCH("/api/cms/contact-requests/{id}/toggle-status")
+    suspend fun toggleContactRequestStatus(@Path("id") id: String): Response<de.harheimertc.data.ContactResponse>
+
+    @GET("/api/newsletter/list")
+    suspend fun newsletters(): Response<NewsletterListResponse>
+
+    @GET("/api/newsletter/groups/list")
+    suspend fun newsletterGroups(): Response<NewsletterGroupsResponse>
+
+    @POST("/api/newsletter/groups/create")
+    suspend fun createNewsletterGroup(@Body request: Map<String, @JvmSuppressWildcards Any?>): Response<AuthMessageResponse>
+
+    @PUT("/api/newsletter/groups/{id}")
+    suspend fun updateNewsletterGroup(@Path("id") id: String, @Body request: Map<String, @JvmSuppressWildcards Any?>): Response<AuthMessageResponse>
+
+    @DELETE("/api/newsletter/groups/{id}")
+    suspend fun deleteNewsletterGroup(@Path("id") id: String): Response<AuthMessageResponse>
+
+    @POST("/api/newsletter/create")
+    suspend fun createNewsletter(@Body request: NewsletterCreateRequest): Response<NewsletterCreateResponse>
+
+    @PUT("/api/newsletter/{id}")
+    suspend fun updateNewsletter(@Path("id") id: String, @Body request: Map<String, @JvmSuppressWildcards Any?>): Response<NewsletterCreateResponse>
+
+    @POST("/api/newsletter/{id}/send")
+    suspend fun sendNewsletter(@Path("id") id: String): Response<NewsletterSendResponse>
+
+    @DELETE("/api/newsletter/{id}")
+    suspend fun deleteNewsletter(@Path("id") id: String): Response<AuthMessageResponse>
+
+    @GET("/api/newsletter/groups/public-list")
+    suspend fun publicNewsletterGroups(): Response<NewsletterGroupsResponse>
+
+    @POST("/api/newsletter/subscribe")
+    suspend fun subscribeNewsletter(@Body request: NewsletterSubscriptionRequest): Response<AuthMessageResponse>
+
+    @POST("/api/newsletter/unsubscribe-by-email")
+    suspend fun unsubscribeNewsletter(@Body request: NewsletterSubscriptionRequest): Response<AuthMessageResponse>
+
+    @GET("/api/newsletter/confirm")
+    suspend fun confirmNewsletter(@Query("token") token: String): Response<AuthMessageResponse>
+
+    @GET("/api/cms/password-reset-diagnostics")
+    suspend fun passwordResetDiagnostics(
+        @Query("email") email: String? = null,
+        @Query("failedOnly") failedOnly: Boolean = true,
+    ): Response<PasswordResetDiagnosticsResponse>
 }
--- a/android-app/app/src/main/java/de/harheimertc/data/MediaTypes.kt
+++ b/android-app/app/src/main/java/de/harheimertc/data/MediaTypes.kt
@@ -0,0 +1,7 @@
+package de.harheimertc.data
+
+import okhttp3.MediaType.Companion.toMediaType
+
+object MediaTypes {
+    val json = "application/json; charset=utf-8".toMediaType()
+}
--- a/android-app/app/src/main/java/de/harheimertc/data/NetworkModule.kt
+++ b/android-app/app/src/main/java/de/harheimertc/data/NetworkModule.kt
@@ -1,12 +1,18 @@
 package de.harheimertc.data

+import android.content.Context
+import android.net.ConnectivityManager
+import android.net.NetworkCapabilities
 import de.harheimertc.BuildConfig
 import com.squareup.moshi.Moshi
 import com.squareup.moshi.kotlin.reflect.KotlinJsonAdapterFactory
 import dagger.Module
 import dagger.Provides
+import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
+import okhttp3.Cache
+import okhttp3.CacheControl
 import okhttp3.OkHttpClient
 import okhttp3.JavaNetCookieJar
 import okhttp3.logging.HttpLoggingInterceptor
@@ -15,6 +21,7 @@ import retrofit2.converter.moshi.MoshiConverterFactory
 import javax.inject.Singleton
 import java.net.CookieManager
 import java.net.CookiePolicy
+import java.util.concurrent.TimeUnit

@Module
@InstallIn(SingletonComponent::class)
@@ -27,15 +34,49 @@ object NetworkModule {

    @Provides
    @Singleton
-    fun provideOkHttpClient(authInterceptor: AuthInterceptor): OkHttpClient {
+    fun provideHttpCache(@ApplicationContext context: Context): Cache =
+        Cache(context.cacheDir.resolve("http_cache"), 25L * 1024L * 1024L)
+
+    @Provides
+    @Singleton
+    fun provideOkHttpClient(
+        @ApplicationContext context: Context,
+        authInterceptor: AuthInterceptor,
+        accessTokenAuthenticator: AccessTokenAuthenticator,
+        cache: Cache,
+    ): OkHttpClient {
        val logging = HttpLoggingInterceptor()
-        logging.level = HttpLoggingInterceptor.Level.BASIC
+        logging.level = if (BuildConfig.DEBUG) HttpLoggingInterceptor.Level.BODY else HttpLoggingInterceptor.Level.BASIC
        val cookies = CookieManager().apply {
            setCookiePolicy(CookiePolicy.ACCEPT_ALL)
        }
        return OkHttpClient.Builder()
+            .cache(cache)
            .cookieJar(JavaNetCookieJar(cookies))
            .addInterceptor(authInterceptor)
+            .addInterceptor { chain ->
+                val request = chain.request()
+                if (request.method == "GET" && !hasNetwork(context)) {
+                    val offlineRequest = request.newBuilder()
+                        .cacheControl(CacheControl.Builder().onlyIfCached().maxStale(7, TimeUnit.DAYS).build())
+                        .build()
+                    chain.proceed(offlineRequest)
+                } else {
+                    chain.proceed(request)
+                }
+            }
+            .addNetworkInterceptor { chain ->
+                val response = chain.proceed(chain.request())
+                val request = response.request
+                if (request.method == "GET" && request.header("Authorization").isNullOrBlank()) {
+                    response.newBuilder()
+                        .header("Cache-Control", "public, max-age=300")
+                        .build()
+                } else {
+                    response
+                }
+            }
+            .authenticator(accessTokenAuthenticator)
            .addInterceptor(logging)
            .build()
    }
@@ -43,8 +84,10 @@ object NetworkModule {
    @Provides
    @Singleton
    fun provideRetrofit(moshi: Moshi, client: OkHttpClient): Retrofit {
+        val runtimeBase = BuildConfig.API_BASE_URL
+        android.util.Log.i("NetworkModule", "Retrofit baseUrl runtime=$runtimeBase")
        return Retrofit.Builder()
-            .baseUrl(BuildConfig.API_BASE_URL)
+            .baseUrl(runtimeBase)
            .client(client)
            .addConverterFactory(MoshiConverterFactory.create(moshi))
            .build()
@@ -53,4 +96,11 @@ object NetworkModule {
    @Provides
    @Singleton
    fun provideApiService(retrofit: Retrofit): ApiService = retrofit.create(ApiService::class.java)
+
+    private fun hasNetwork(context: Context): Boolean {
+        val manager = context.getSystemService(Context.CONNECTIVITY_SERVICE) as? ConnectivityManager ?: return false
+        val network = manager.activeNetwork ?: return false
+        val capabilities = manager.getNetworkCapabilities(network) ?: return false
+        return capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
+    }
 }
--- a/android-app/app/src/main/java/de/harheimertc/data/SecureOfflineCache.kt
+++ b/android-app/app/src/main/java/de/harheimertc/data/SecureOfflineCache.kt
@@ -0,0 +1,138 @@
+package de.harheimertc.data
+
+import android.content.Context
+import androidx.security.crypto.EncryptedSharedPreferences
+import androidx.security.crypto.MasterKey
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SecureOfflineCache @Inject constructor(
+    @param:ApplicationContext private val context: Context,
+    private val moshi: Moshi,
+) {
+    private companion object {
+        const val KEY_BIRTHDAYS = "birthdays"
+        const val KEY_MEMBERS = "members"
+        const val KEY_MEMBER_NEWS = "member_news"
+        const val KEY_CMS_CONFIG = "cms_config"
+        const val KEY_CMS_USERS = "cms_users"
+        const val KEY_CONTACT_REQUESTS = "contact_requests"
+        const val KEY_NEWSLETTERS = "newsletters"
+        const val KEY_NEWSLETTER_GROUPS = "newsletter_groups"
+        const val KEY_PASSWORD_RESET_DIAGNOSTICS = "password_reset_diagnostics"
+        const val TIMESTAMP_SUFFIX = "_ts"
+    }
+
+    private val preferences by lazy {
+        val masterKey = MasterKey.Builder(context)
+            .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
+            .build()
+        EncryptedSharedPreferences.create(
+            context,
+            "harheimertc_offline_cache",
+            masterKey,
+            EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
+            EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM,
+        )
+    }
+
+    fun putBirthdays(response: BirthdaysResponse) = put(KEY_BIRTHDAYS, response, BirthdaysResponse::class.java)
+    fun getBirthdays(maxAgeMillis: Long? = null): BirthdaysResponse? = get(KEY_BIRTHDAYS, BirthdaysResponse::class.java, maxAgeMillis)
+
+    fun putMembers(response: MembersResponse) = put(KEY_MEMBERS, response, MembersResponse::class.java)
+    fun getMembers(maxAgeMillis: Long? = null): MembersResponse? = get(KEY_MEMBERS, MembersResponse::class.java, maxAgeMillis)
+
+    fun putNews(response: NewsResponse) = put(KEY_MEMBER_NEWS, response, NewsResponse::class.java)
+    fun getNews(maxAgeMillis: Long? = null): NewsResponse? = get(KEY_MEMBER_NEWS, NewsResponse::class.java, maxAgeMillis)
+
+    fun putConfig(response: ConfigResponse) = put(KEY_CMS_CONFIG, response, ConfigResponse::class.java)
+    fun getConfig(maxAgeMillis: Long? = null): ConfigResponse? = get(KEY_CMS_CONFIG, ConfigResponse::class.java, maxAgeMillis)
+
+    fun putCmsUsers(response: CmsUsersResponse) = put(KEY_CMS_USERS, response, CmsUsersResponse::class.java)
+    fun getCmsUsers(maxAgeMillis: Long? = null): CmsUsersResponse? = get(KEY_CMS_USERS, CmsUsersResponse::class.java, maxAgeMillis)
+
+    fun putContactRequests(response: List<ContactRequestDto>) {
+        val type = Types.newParameterizedType(List::class.java, ContactRequestDto::class.java)
+        val json = moshi.adapter<List<ContactRequestDto>>(type).toJson(response)
+        preferences.edit()
+            .putString(KEY_CONTACT_REQUESTS, json)
+            .putLong(timestampKey(KEY_CONTACT_REQUESTS), System.currentTimeMillis())
+            .apply()
+    }
+
+    fun getContactRequests(maxAgeMillis: Long? = null): List<ContactRequestDto>? {
+        if (isExpired(KEY_CONTACT_REQUESTS, maxAgeMillis)) return null
+        val json = preferences.getString(KEY_CONTACT_REQUESTS, null) ?: return null
+        val type = Types.newParameterizedType(List::class.java, ContactRequestDto::class.java)
+        return runCatching { moshi.adapter<List<ContactRequestDto>>(type).fromJson(json) }.getOrNull()
+    }
+
+    fun putNewsletters(response: NewsletterListResponse) = put(KEY_NEWSLETTERS, response, NewsletterListResponse::class.java)
+    fun getNewsletters(maxAgeMillis: Long? = null): NewsletterListResponse? =
+        get(KEY_NEWSLETTERS, NewsletterListResponse::class.java, maxAgeMillis)
+
+    fun putNewsletterGroups(response: NewsletterGroupsResponse) = put(KEY_NEWSLETTER_GROUPS, response, NewsletterGroupsResponse::class.java)
+    fun getNewsletterGroups(maxAgeMillis: Long? = null): NewsletterGroupsResponse? =
+        get(KEY_NEWSLETTER_GROUPS, NewsletterGroupsResponse::class.java, maxAgeMillis)
+
+    fun putPasswordResetDiagnostics(response: PasswordResetDiagnosticsResponse) =
+        put(KEY_PASSWORD_RESET_DIAGNOSTICS, response, PasswordResetDiagnosticsResponse::class.java)
+    fun getPasswordResetDiagnostics(maxAgeMillis: Long? = null): PasswordResetDiagnosticsResponse? =
+        get(KEY_PASSWORD_RESET_DIAGNOSTICS, PasswordResetDiagnosticsResponse::class.java, maxAgeMillis)
+
+    fun clearCmsProtectedCaches() {
+        clear(
+            KEY_CMS_CONFIG,
+            KEY_CMS_USERS,
+            KEY_CONTACT_REQUESTS,
+            KEY_NEWSLETTERS,
+            KEY_NEWSLETTER_GROUPS,
+            KEY_PASSWORD_RESET_DIAGNOSTICS,
+            KEY_MEMBER_NEWS,
+        )
+    }
+
+    fun clearCmsUsersCache() = clear(KEY_CMS_USERS)
+    fun clearContactRequestsCache() = clear(KEY_CONTACT_REQUESTS)
+    fun clearNewslettersCache() = clear(KEY_NEWSLETTERS)
+    fun clearNewsletterGroupsCache() = clear(KEY_NEWSLETTER_GROUPS)
+    fun clearPasswordResetDiagnosticsCache() = clear(KEY_PASSWORD_RESET_DIAGNOSTICS)
+    fun clearCmsConfigCache() = clear(KEY_CMS_CONFIG)
+    fun clearCmsNewsCache() = clear(KEY_MEMBER_NEWS)
+
+    private fun <T> put(key: String, value: T, type: Class<T>) {
+        val json = moshi.adapter(type).toJson(value)
+        preferences.edit()
+            .putString(key, json)
+            .putLong(timestampKey(key), System.currentTimeMillis())
+            .apply()
+    }
+
+    private fun <T> get(key: String, type: Class<T>, maxAgeMillis: Long? = null): T? {
+        if (isExpired(key, maxAgeMillis)) return null
+        val json = preferences.getString(key, null) ?: return null
+        return runCatching { moshi.adapter(type).fromJson(json) }.getOrNull()
+    }
+
+    private fun clear(vararg keys: String) {
+        val editor = preferences.edit()
+        keys.forEach { key ->
+            editor.remove(key)
+            editor.remove(timestampKey(key))
+        }
+        editor.apply()
+    }
+
+    private fun isExpired(key: String, maxAgeMillis: Long?): Boolean {
+        if (maxAgeMillis == null) return false
+        val savedAt = preferences.getLong(timestampKey(key), 0L)
+        if (savedAt <= 0L) return true
+        return (System.currentTimeMillis() - savedAt) > maxAgeMillis
+    }
+
+    private fun timestampKey(key: String): String = key + TIMESTAMP_SUFFIX
+}
--- a/android-app/app/src/main/java/de/harheimertc/data/SessionRefresher.kt
+++ b/android-app/app/src/main/java/de/harheimertc/data/SessionRefresher.kt
@@ -0,0 +1,64 @@
+package de.harheimertc.data
+
+import com.squareup.moshi.Moshi
+import de.harheimertc.BuildConfig
+import de.harheimertc.repositories.AuthRepository
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.RequestBody.Companion.toRequestBody
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SessionRefresher @Inject constructor(
+    private val authRepository: AuthRepository,
+    moshi: Moshi,
+) {
+    private val lock = Any()
+    private val client = OkHttpClient.Builder().build()
+    private val requestAdapter = moshi.adapter(RefreshRequest::class.java)
+    private val responseAdapter = moshi.adapter(LoginResponse::class.java)
+
+    suspend fun refreshAccessToken(): Boolean = withContext(Dispatchers.IO) {
+        refreshAccessTokenBlocking() != null
+    }
+
+    fun refreshAccessTokenBlocking(requestToken: String? = null): String? = synchronized(lock) {
+        val currentToken = authRepository.getToken()
+        if (!requestToken.isNullOrBlank() && !currentToken.isNullOrBlank() && currentToken != requestToken) {
+            return@synchronized currentToken
+        }
+
+        val refreshToken = authRepository.getRefreshToken()?.takeIf(String::isNotBlank)
+            ?: return@synchronized null
+        val payload = requestAdapter.toJson(RefreshRequest(refreshToken))
+        val request = Request.Builder()
+            .url(BuildConfig.API_BASE_URL + "api/auth/refresh")
+            .post(payload.toRequestBody("application/json".toMediaType()))
+            .build()
+
+        try {
+            client.newCall(request).execute().use { response ->
+                if (response.code == 401 || response.code == 403) {
+                    authRepository.clearSession()
+                    return@synchronized null
+                }
+                if (!response.isSuccessful) return@synchronized null
+
+                val tokens = response.body?.string()?.let(responseAdapter::fromJson)
+                    ?: return@synchronized null
+                val accessToken = (tokens.accessToken ?: tokens.token)?.takeIf(String::isNotBlank)
+                    ?: return@synchronized null
+                val nextRefreshToken = tokens.refreshToken?.takeIf(String::isNotBlank)
+                    ?: return@synchronized null
+                authRepository.setSession(accessToken, nextRefreshToken, tokens.sessionId)
+                accessToken
+            }
+        } catch (_: Exception) {
+            null
+        }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/repositories/AuthRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/AuthRepository.kt
@@ -1,8 +1,13 @@
 package de.harheimertc.repositories

-import kotlinx.coroutines.flow.StateFlow
-
 interface AuthRepository {
    fun getToken(): String?
-    fun setToken(token: String?)
+    fun getRefreshToken(): String?
+    fun getSessionId(): String?
+    fun setSession(accessToken: String?, refreshToken: String?, sessionId: String?)
+    fun clearSession()
+    // Device binding via Android Keystore (optional enhancement)
+    fun ensureDeviceKey(): String?
+    fun getDevicePublicKey(): String?
+    fun signWithDeviceKey(data: ByteArray): ByteArray?
 }
--- a/android-app/app/src/main/java/de/harheimertc/repositories/AuthRepositoryImpl.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/AuthRepositoryImpl.kt
@@ -4,12 +4,18 @@ import android.content.Context
 import androidx.security.crypto.EncryptedSharedPreferences
 import androidx.security.crypto.MasterKey
 import dagger.hilt.android.qualifiers.ApplicationContext
+import de.harheimertc.security.DeviceKeyManager
 import javax.inject.Inject
 import javax.inject.Singleton

@Singleton
-class AuthRepositoryImpl @Inject constructor(@param:ApplicationContext private val context: Context) : AuthRepository {
+class AuthRepositoryImpl @Inject constructor(
+    @param:ApplicationContext private val context: Context,
+    private val deviceKeyManager: DeviceKeyManager,
+) : AuthRepository {
    private val tokenKey = "auth_token"
+    private val refreshTokenKey = "auth_refresh_token"
+    private val sessionIdKey = "auth_session_id"
    private val preferences by lazy {
        val masterKey = MasterKey.Builder(context)
            .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
@@ -25,9 +31,42 @@ class AuthRepositoryImpl @Inject constructor(@param:ApplicationContext private v

    override fun getToken(): String? = preferences.getString(tokenKey, null)

-    override fun setToken(token: String?) {
+    override fun getRefreshToken(): String? = preferences.getString(refreshTokenKey, null)
+
+    override fun getSessionId(): String? = preferences.getString(sessionIdKey, null)
+
+    override fun setSession(accessToken: String?, refreshToken: String?, sessionId: String?) {
        preferences.edit().apply {
-            if (token == null) remove(tokenKey) else putString(tokenKey, token)
+            if (accessToken == null) remove(tokenKey) else putString(tokenKey, accessToken)
+            if (refreshToken == null) remove(refreshTokenKey) else putString(refreshTokenKey, refreshToken)
+            if (sessionId == null) remove(sessionIdKey) else putString(sessionIdKey, sessionId)
        }.apply()
    }
+
+    override fun clearSession() {
+        preferences.edit()
+            .remove(tokenKey)
+            .remove(refreshTokenKey)
+            .remove(sessionIdKey)
+            .apply()
+    }
+
+    // Keystore / device binding helpers
+    override fun ensureDeviceKey(): String? = try {
+        deviceKeyManager.ensureKeyPair()
+    } catch (e: Exception) {
+        null
+    }
+
+    override fun getDevicePublicKey(): String? = try {
+        deviceKeyManager.getPublicKeyBase64()
+    } catch (e: Exception) {
+        null
+    }
+
+    override fun signWithDeviceKey(data: ByteArray): ByteArray? = try {
+        deviceKeyManager.sign(data)
+    } catch (e: Exception) {
+        null
+    }
 }
--- a/android-app/app/src/main/java/de/harheimertc/repositories/CmsRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/CmsRepository.kt
@@ -0,0 +1,319 @@
+package de.harheimertc.repositories
+
+import de.harheimertc.data.ApiService
+import de.harheimertc.data.CmsUsersResponse
+import de.harheimertc.data.ConfigResponse
+import de.harheimertc.data.ContactRequestDto
+import de.harheimertc.data.NewsletterGroupsResponse
+import de.harheimertc.data.NewsletterListResponse
+import de.harheimertc.data.PasswordResetDiagnosticsResponse
+import de.harheimertc.data.SaveCsvRequest
+import de.harheimertc.data.SaveCsvResponse
+import de.harheimertc.data.SecureOfflineCache
+import javax.inject.Inject
+
+class CmsRepository @Inject constructor(
+    private val api: ApiService,
+    private val cache: SecureOfflineCache,
+) {
+    private companion object {
+        const val CMS_CACHE_MAX_AGE_MS = 24L * 60L * 60L * 1000L
+        const val PASSWORD_RESET_DIAGNOSTICS_MAX_AGE_MS = 6L * 60L * 60L * 1000L
+    }
+
+    suspend fun config(): Result<ConfigResponse> =
+        fetchEncryptedFallback(
+            load = {
+                val response = api.config()
+                if (!response.isSuccessful) error("Konfiguration konnte nicht geladen werden.")
+                response.body() ?: error("Leere Antwort vom Server.")
+            },
+            save = cache::putConfig,
+            cached = { cache.getConfig(CMS_CACHE_MAX_AGE_MS) },
+            fallbackMessage = "Konfiguration konnte nicht geladen werden.",
+        )
+
+    suspend fun saveConfig(config: ConfigResponse): Result<ConfigResponse> = runCatching {
+        val response = api.updateConfig(config)
+        if (!response.isSuccessful) error("Konfiguration konnte nicht gespeichert werden.")
+        val saved = response.body() ?: error("Leere Antwort vom Server.")
+        cache.putConfig(saved)
+        saved
+    }
+
+    suspend fun vereinsmeisterschaften(): Result<List<MeisterschaftResult>> = runCatching {
+        val response = api.vereinsmeisterschaften()
+        if (!response.isSuccessful) error("Vereinsmeisterschaften konnten nicht geladen werden.")
+        parseCsv(response.body()?.string().orEmpty()).drop(1).mapNotNull { values ->
+            if (values.size < 6) return@mapNotNull null
+            MeisterschaftResult(
+                year = values[0],
+                category = values[1],
+                rank = values[2],
+                playerOne = values[3],
+                playerTwo = values[4],
+                note = values[5],
+                imageOne = values.getOrElse(6) { "" },
+                imageTwo = values.getOrElse(7) { "" },
+            )
+        }
+    }
+
+    suspend fun saveVereinsmeisterschaften(results: List<MeisterschaftResult>): Result<SaveCsvResponse> = runCatching {
+        val csvHeader = "Jahr,Kategorie,Platz,Spieler1,Spieler2,Bemerkung,imageFilename1,imageFilename2"
+        val csvRows = results.map { result ->
+            listOf(
+                result.year,
+                result.category,
+                result.rank,
+                result.playerOne,
+                result.playerTwo,
+                result.note,
+                result.imageOne,
+                result.imageTwo,
+            ).joinToString(",") { value -> "\"${value.replace("\"", "\"\"")}\"" }
+        }
+        val response = api.saveCsv(
+            SaveCsvRequest(
+                filename = "vereinsmeisterschaften.csv",
+                content = listOf(csvHeader).plus(csvRows).joinToString("\n"),
+            ),
+        )
+        if (!response.isSuccessful) error("Vereinsmeisterschaften konnten nicht gespeichert werden.")
+        response.body() ?: SaveCsvResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun users(): Result<CmsUsersResponse> =
+        fetchEncryptedFallback(
+            load = {
+                val response = api.cmsUsers()
+                if (!response.isSuccessful) error("Benutzer konnten nicht geladen werden.")
+                response.body() ?: error("Leere Antwort vom Server.")
+            },
+            save = cache::putCmsUsers,
+            cached = { cache.getCmsUsers(CMS_CACHE_MAX_AGE_MS) },
+            fallbackMessage = "Benutzer konnten nicht geladen werden.",
+        )
+
+    suspend fun updateUserRoles(id: String, roles: List<String>): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        val req = de.harheimertc.data.ApiService.UpdateUserRolesRequest(id, roles)
+        val response = api.updateUserRoles(req)
+        if (!response.isSuccessful) error("Benutzerrollen konnten nicht aktualisiert werden.")
+        cache.clearCmsUsersCache()
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun updateUserActive(id: String, active: Boolean): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        val req = de.harheimertc.data.ApiService.UpdateUserActiveRequest(id, active)
+        val response = api.updateUserActive(req)
+        if (!response.isSuccessful) error("Benutzerstatus konnte nicht aktualisiert werden.")
+        cache.clearCmsUsersCache()
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun resendInvite(id: String): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        val response = api.resendInvite(id)
+        if (!response.isSuccessful) error("Einladung konnte nicht erneut gesendet werden.")
+        cache.clearCmsUsersCache()
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun contactRequests(): Result<List<ContactRequestDto>> =
+        fetchEncryptedFallback(
+            load = {
+                val response = api.contactRequests()
+                if (!response.isSuccessful) error("Kontaktanfragen konnten nicht geladen werden.")
+                response.body() ?: emptyList()
+            },
+            save = cache::putContactRequests,
+            cached = { cache.getContactRequests(CMS_CACHE_MAX_AGE_MS) },
+            fallbackMessage = "Kontaktanfragen konnten nicht geladen werden.",
+        )
+
+    suspend fun replyToContactRequest(id: String, message: String): Result<de.harheimertc.data.ContactResponse> = runCatching {
+        val req = ApiService.ContactReplyRequest(message)
+        val response = api.replyToContactRequest(id, req)
+        if (!response.isSuccessful) error("Antwort konnte nicht gesendet werden.")
+        cache.clearContactRequestsCache()
+        response.body() ?: de.harheimertc.data.ContactResponse(ok = false)
+    }
+
+    suspend fun toggleContactRequestStatus(id: String): Result<de.harheimertc.data.ContactResponse> = runCatching {
+        val response = api.toggleContactRequestStatus(id)
+        if (!response.isSuccessful) error("Status konnte nicht geändert werden.")
+        cache.clearContactRequestsCache()
+        response.body() ?: de.harheimertc.data.ContactResponse(ok = false)
+    }
+
+    suspend fun newsletters(): Result<NewsletterListResponse> =
+        fetchEncryptedFallback(
+            load = {
+                val response = api.newsletters()
+                if (!response.isSuccessful) error("Newsletter konnten nicht geladen werden.")
+                response.body() ?: error("Leere Antwort vom Server.")
+            },
+            save = cache::putNewsletters,
+            cached = { cache.getNewsletters(CMS_CACHE_MAX_AGE_MS) },
+            fallbackMessage = "Newsletter konnten nicht geladen werden.",
+        )
+
+    suspend fun newsletterGroups(): Result<NewsletterGroupsResponse> =
+        fetchEncryptedFallback(
+            load = {
+                val response = api.newsletterGroups()
+                if (!response.isSuccessful) error("Newsletter-Gruppen konnten nicht geladen werden.")
+                response.body() ?: error("Leere Antwort vom Server.")
+            },
+            save = cache::putNewsletterGroups,
+            cached = { cache.getNewsletterGroups(CMS_CACHE_MAX_AGE_MS) },
+            fallbackMessage = "Newsletter-Gruppen konnten nicht geladen werden.",
+        )
+
+    suspend fun passwordResetDiagnostics(
+        email: String? = null,
+        failedOnly: Boolean = true,
+    ): Result<PasswordResetDiagnosticsResponse> {
+        val normalizedEmail = email?.trim().orEmpty()
+        val canUseSharedCache = normalizedEmail.isBlank() && failedOnly
+        return fetchEncryptedFallback(
+            load = {
+                val response = api.passwordResetDiagnostics(
+                    email = normalizedEmail.takeIf { it.isNotBlank() },
+                    failedOnly = failedOnly,
+                )
+                if (!response.isSuccessful) error("Passwort-Reset-Diagnose konnte nicht geladen werden.")
+                response.body() ?: error("Leere Antwort vom Server.")
+            },
+            save = { response ->
+                if (canUseSharedCache) cache.putPasswordResetDiagnostics(response)
+            },
+            cached = {
+                if (canUseSharedCache) {
+                    cache.getPasswordResetDiagnostics(PASSWORD_RESET_DIAGNOSTICS_MAX_AGE_MS)
+                } else {
+                    null
+                }
+            },
+            fallbackMessage = "Passwort-Reset-Diagnose konnte nicht geladen werden.",
+        )
+    }
+
+    suspend fun news(): Result<de.harheimertc.data.NewsResponse> =
+        fetchEncryptedFallback(
+            load = {
+                val response = api.memberNews()
+                if (!response.isSuccessful) error("News konnten nicht geladen werden.")
+                response.body() ?: de.harheimertc.data.NewsResponse()
+            },
+            save = cache::putNews,
+            cached = { cache.getNews(CMS_CACHE_MAX_AGE_MS) },
+            fallbackMessage = "News konnten nicht geladen werden.",
+        )
+
+    suspend fun saveNews(request: de.harheimertc.data.NewsSaveRequest): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        val response = api.saveNews(request)
+        if (!response.isSuccessful) error("News konnten nicht gespeichert werden.")
+        cache.clearCmsNewsCache()
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun createNewsletter(request: de.harheimertc.data.NewsletterCreateRequest): Result<de.harheimertc.data.NewsletterCreateResponse> = runCatching {
+        val response = api.createNewsletter(request)
+        if (!response.isSuccessful) error("Newsletter konnte nicht erstellt werden.")
+        cache.clearNewslettersCache()
+        response.body() ?: de.harheimertc.data.NewsletterCreateResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun updateNewsletter(id: String, patch: Map<String, Any?>): Result<de.harheimertc.data.NewsletterCreateResponse> = runCatching {
+        val response = api.updateNewsletter(id, patch)
+        if (!response.isSuccessful) error("Newsletter konnte nicht aktualisiert werden.")
+        cache.clearNewslettersCache()
+        response.body() ?: de.harheimertc.data.NewsletterCreateResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun sendNewsletter(id: String): Result<de.harheimertc.data.NewsletterSendResponse> = runCatching {
+        val response = api.sendNewsletter(id)
+        if (!response.isSuccessful) error("Newsletter konnte nicht versendet werden.")
+        cache.clearNewslettersCache()
+        response.body() ?: de.harheimertc.data.NewsletterSendResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun deleteNewsletter(id: String): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        val response = api.deleteNewsletter(id)
+        if (!response.isSuccessful) error("Newsletter konnte nicht gelöscht werden.")
+        cache.clearNewslettersCache()
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun createNewsletterGroup(payload: Map<String, @JvmSuppressWildcards Any?>): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        // use generic POST via Retrofit? build request through create endpoint
+        val response = api.createNewsletterGroup(payload)
+        if (!response.isSuccessful) error("Gruppe konnte nicht erstellt werden.")
+        cache.clearNewsletterGroupsCache()
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun updateNewsletterGroup(id: String, patch: Map<String, Any?>): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        val response = api.updateNewsletterGroup(id, patch)
+        if (!response.isSuccessful) error("Gruppe konnte nicht aktualisiert werden.")
+        cache.clearNewsletterGroupsCache()
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun deleteNewsletterGroup(id: String): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        val response = api.deleteNewsletterGroup(id)
+        if (!response.isSuccessful) error("Gruppe konnte nicht gelöscht werden.")
+        cache.clearNewsletterGroupsCache()
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun deleteNews(id: Int): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        val response = api.deleteNews(id)
+        if (!response.isSuccessful) error("News konnten nicht gelöscht werden.")
+        cache.clearCmsNewsCache()
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    private suspend fun <T> fetchEncryptedFallback(
+        load: suspend () -> T,
+        save: (T) -> Unit,
+        cached: () -> T?,
+        fallbackMessage: String,
+    ): Result<T> = runCatching {
+        runCatching { load() }
+            .onSuccess(save)
+            .getOrElse { original ->
+                cached() ?: throw IllegalStateException(fallbackMessage, original)
+            }
+    }
+}
+
+private fun parseCsv(csv: String): List<List<String>> =
+    csv.lineSequence().filter(String::isNotBlank).map(::parseCsvLine).toList()
+
+private fun parseCsvLine(line: String): List<String> {
+    val values = mutableListOf<String>()
+    val value = StringBuilder()
+    var quoted = false
+    var index = 0
+    while (index < line.length) {
+        when (val char = line[index]) {
+            '"' -> {
+                if (quoted && index + 1 < line.length && line[index + 1] == '"') {
+                    value.append('"')
+                    index++
+                } else {
+                    quoted = !quoted
+                }
+            }
+            ',' -> if (quoted) value.append(char) else {
+                values += value.toString().trim()
+                value.clear()
+            }
+            else -> value.append(char)
+        }
+        index++
+    }
+    values += value.toString().trim()
+    return values
+}
--- a/android-app/app/src/main/java/de/harheimertc/repositories/GalleryRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/GalleryRepository.kt
@@ -1,22 +1,45 @@
 package de.harheimertc.repositories

+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.net.Uri
+import dagger.hilt.android.qualifiers.ApplicationContext
+import de.harheimertc.BuildConfig
 import de.harheimertc.data.ApiService
+import de.harheimertc.data.GalleryImageDto
+import de.harheimertc.data.GalleryPaginationDto
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.MultipartBody
+import okhttp3.RequestBody.Companion.asRequestBody
+import okhttp3.RequestBody.Companion.toRequestBody
+import java.io.File
+import java.io.FileOutputStream
 import javax.inject.Inject
 import javax.inject.Singleton

@Singleton
-class GalleryRepository @Inject constructor(private val api: ApiService) {
+class GalleryRepository @Inject constructor(
+    private val api: ApiService,
+    @param:ApplicationContext private val context: Context,
+) {
    suspend fun hasPublicImages(): Result<Boolean> = runCatching {
-        val response = api.publicGalleryImages()
+        val response = api.galerieList(page = 1, perPage = 1)
        if (!response.isSuccessful) error("HTTP ${response.code()}")
-        response.body().orEmpty().isNotEmpty()
+        response.body()?.images.orEmpty().isNotEmpty()
    }

-    suspend fun fetchImages(): Result<List<String>> {
+    suspend fun fetchImages(page: Int = 1, perPage: Int = 60): Result<GalleryPage> {
        return try {
-            val resp = api.galerieList()
+            val resp = api.galerieList(page = page, perPage = perPage)
            if (resp.isSuccessful) {
-                Result.success(resp.body() ?: emptyList())
+                val body = resp.body()
+                Result.success(
+                    GalleryPage(
+                        images = body?.images.orEmpty().map { it.toGalleryImage() },
+                        pagination = body?.pagination ?: GalleryPaginationDto(),
+                    ),
+                )
            } else {
                Result.failure(Exception("HTTP ${resp.code()}"))
            }
@@ -24,4 +47,78 @@ class GalleryRepository @Inject constructor(private val api: ApiService) {
            Result.failure(e)
        }
    }
+
+    suspend fun uploadImage(uri: Uri, title: String, description: String, isPublic: Boolean): Result<Unit> = runCatching {
+        val titleValue = title.trim()
+        require(titleValue.isNotBlank()) { "Bitte einen Titel eintragen." }
+
+        val uploadFile = prepareCompressedUploadFile(uri)
+        val mediaType = "image/jpeg".toMediaType()
+        val imageBody = uploadFile.asRequestBody(mediaType)
+        val imagePart = MultipartBody.Part.createFormData("image", uploadFile.name, imageBody)
+        val textType = "text/plain".toMediaType()
+
+        val response = api.uploadGalleryImage(
+            image = imagePart,
+            title = titleValue.toRequestBody(textType),
+            description = description.trim().toRequestBody(textType),
+            isPublic = isPublic.toString().toRequestBody(textType),
+        )
+        uploadFile.delete()
+        if (!response.isSuccessful) error("HTTP ${response.code()}")
+        val body = response.body()
+        if (body?.success == false) error(body.message ?: "Fehler beim Hochladen des Bildes")
+    }
+
+    private fun GalleryImageDto.toGalleryImage(): GalleryImage {
+        val base = BuildConfig.API_BASE_URL.trimEnd('/')
+        return GalleryImage(
+            id = id,
+            title = title,
+            description = description,
+            isPublic = isPublic,
+            uploadedAt = uploadedAt,
+            previewUrl = "$base/api/media/galerie/$id?preview=true",
+            imageUrl = "$base/api/media/galerie/$id",
+        )
+    }
+
+    private fun prepareCompressedUploadFile(uri: Uri): File {
+        val inputBytes = context.contentResolver.openInputStream(uri)?.use { it.readBytes() }
+            ?: error("Bilddatei konnte nicht gelesen werden.")
+        val original = BitmapFactory.decodeByteArray(inputBytes, 0, inputBytes.size)
+            ?: error("Bilddatei konnte nicht verarbeitet werden.")
+        val scaled = original.scaleInside(maxSize = 2000)
+        val file = File(context.cacheDir, "gallery_upload_${System.currentTimeMillis()}.jpg")
+        FileOutputStream(file).use { out ->
+            scaled.compress(Bitmap.CompressFormat.JPEG, 85, out)
+        }
+        if (scaled !== original) scaled.recycle()
+        original.recycle()
+        return file
+    }
+
+    private fun Bitmap.scaleInside(maxSize: Int): Bitmap {
+        val largestSide = maxOf(width, height)
+        if (largestSide <= maxSize) return this
+        val scale = maxSize.toFloat() / largestSide.toFloat()
+        val nextWidth = (width * scale).toInt().coerceAtLeast(1)
+        val nextHeight = (height * scale).toInt().coerceAtLeast(1)
+        return Bitmap.createScaledBitmap(this, nextWidth, nextHeight, true)
+    }
 }
+
+data class GalleryImage(
+    val id: String,
+    val title: String,
+    val description: String,
+    val isPublic: Boolean,
+    val uploadedAt: String?,
+    val previewUrl: String,
+    val imageUrl: String,
+)
+
+data class GalleryPage(
+    val images: List<GalleryImage>,
+    val pagination: GalleryPaginationDto,
+)
--- a/android-app/app/src/main/java/de/harheimertc/repositories/HomeLayoutPreferences.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/HomeLayoutPreferences.kt
@@ -0,0 +1,51 @@
+package de.harheimertc.repositories
+
+import android.content.Context
+import androidx.security.crypto.EncryptedSharedPreferences
+import androidx.security.crypto.MasterKey
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
+import dagger.hilt.android.qualifiers.ApplicationContext
+import de.harheimertc.data.HomepageSectionDto
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class HomeLayoutPreferences @Inject constructor(
+    @param:ApplicationContext private val context: Context,
+    private val moshi: Moshi,
+) {
+    private val sectionListType = Types.newParameterizedType(List::class.java, HomepageSectionDto::class.java)
+    private val sectionListAdapter = moshi.adapter<List<HomepageSectionDto>>(sectionListType)
+
+    private val preferences by lazy {
+        val masterKey = MasterKey.Builder(context)
+            .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
+            .build()
+        EncryptedSharedPreferences.create(
+            context,
+            "harheimertc_home_layout",
+            masterKey,
+            EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
+            EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM,
+        )
+    }
+
+    fun getSections(): List<HomepageSectionDto>? {
+        val json = preferences.getString(HOME_SECTIONS_KEY, null) ?: return null
+        return runCatching { sectionListAdapter.fromJson(json) }.getOrNull()
+    }
+
+    fun setSections(sections: List<HomepageSectionDto>) {
+        val json = sectionListAdapter.toJson(sections)
+        preferences.edit().putString(HOME_SECTIONS_KEY, json).apply()
+    }
+
+    fun clearSections() {
+        preferences.edit().remove(HOME_SECTIONS_KEY).apply()
+    }
+
+    private companion object {
+        const val HOME_SECTIONS_KEY = "home_sections"
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/repositories/HomeRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/HomeRepository.kt
@@ -1,8 +1,11 @@
 package de.harheimertc.repositories

 import de.harheimertc.data.ApiService
+import de.harheimertc.data.HomepageSectionDto
 import de.harheimertc.data.NewsDto
+import de.harheimertc.data.SeasonDto
 import de.harheimertc.data.SpielDto
+import de.harheimertc.data.SpielplanResponse
 import de.harheimertc.data.TerminDto
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -10,15 +13,37 @@ import javax.inject.Singleton
 data class HomeData(
    val termine: List<TerminDto>,
    val spiele: List<SpielDto>,
+    val spielplanSeasons: List<SeasonDto>,
+    val selectedSpielplanSeason: String?,
    val news: List<NewsDto>,
+    val homepageSections: List<HomepageSectionDto>,
 )

@Singleton
 class HomeRepository @Inject constructor(private val api: ApiService) {
    suspend fun fetchHomeData(): Result<HomeData> = runCatching {
        val termine = api.termine().body()?.termine.orEmpty()
-        val spiele = api.spielplan().body()?.data.orEmpty()
+        val spielplanResponse = api.spielplan().body()
+        val spiele = spielplanResponse?.data.orEmpty()
        val news = api.publicNews().body()?.news.orEmpty()
-        HomeData(termine, spiele, news)
+        val homepageSections = runCatching {
+            val configResponse = api.config()
+            if (!configResponse.isSuccessful) return@runCatching emptyList()
+            configResponse.body()?.homepage?.sections.orEmpty()
+        }.getOrDefault(emptyList())
+        HomeData(
+            termine = termine,
+            spiele = spiele,
+            spielplanSeasons = spielplanResponse?.seasons.orEmpty(),
+            selectedSpielplanSeason = spielplanResponse?.season,
+            news = news,
+            homepageSections = homepageSections,
+        )
+    }
+
+    suspend fun fetchSpielplanForSeason(season: String): Result<SpielplanResponse> = runCatching {
+        val response = api.spielplan(season)
+        if (!response.isSuccessful) error("HTTP ${response.code()}")
+        response.body() ?: error("Leere Antwort")
    }
 }
--- a/android-app/app/src/main/java/de/harheimertc/repositories/LoginRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/LoginRepository.kt
@@ -5,8 +5,10 @@ import de.harheimertc.data.LoginRequest
 import de.harheimertc.data.LoginResponse
 import de.harheimertc.data.AuthStatusResponse
 import de.harheimertc.data.AuthMessageResponse
+import de.harheimertc.data.LogoutRequest
 import de.harheimertc.data.RegistrationRequest
 import de.harheimertc.data.ResetPasswordRequest
+import de.harheimertc.data.SessionRefresher
 import javax.inject.Inject
 import javax.inject.Singleton

@@ -14,31 +16,40 @@ import javax.inject.Singleton
 class LoginRepository @Inject constructor(
    private val api: ApiService,
    private val authRepository: AuthRepository,
+    private val sessionRefresher: SessionRefresher,
 ) {
    suspend fun login(email: String, password: String): Result<LoginResponse> = runCatching {
        val response = api.login(LoginRequest(email.trim(), password))
        if (!response.isSuccessful) error("Anmeldung fehlgeschlagen. Bitte prüfen Sie Ihre Zugangsdaten.")
        val body = response.body() ?: error("Leere Antwort")
-        val token = body.token?.takeIf(String::isNotBlank)
+        val token = (body.accessToken ?: body.token)?.takeIf(String::isNotBlank)
            ?: error("Der Server hat kein Zugriffstoken geliefert.")
-        authRepository.setToken(token)
+        authRepository.setSession(token, body.refreshToken, body.sessionId)
        body
    }

    suspend fun logout(): Result<Unit> = runCatching {
        try {
-            api.logout()
+            api.logout(LogoutRequest(authRepository.getRefreshToken()))
        } finally {
-            authRepository.setToken(null)
+            authRepository.clearSession()
        }
    }

    suspend fun status(): Result<AuthStatusResponse> = runCatching {
-        if (authRepository.getToken().isNullOrBlank()) return@runCatching AuthStatusResponse()
-        val response = api.authStatus()
+        if (authRepository.getToken().isNullOrBlank() && !sessionRefresher.refreshAccessToken()) {
+            return@runCatching AuthStatusResponse()
+        }
+
+        var response = api.authStatus()
        if (!response.isSuccessful) error("Status konnte nicht geprüft werden.")
-        val status = response.body() ?: AuthStatusResponse()
-        if (!status.isLoggedIn) authRepository.setToken(null)
+        var status = response.body() ?: AuthStatusResponse()
+        if (!status.isLoggedIn && authRepository.getRefreshToken() != null && sessionRefresher.refreshAccessToken()) {
+            response = api.authStatus()
+            if (!response.isSuccessful) error("Status konnte nicht geprüft werden.")
+            status = response.body() ?: AuthStatusResponse()
+        }
+        if (!status.isLoggedIn && authRepository.getRefreshToken() == null) authRepository.clearSession()
        status
    }

--- a/android-app/app/src/main/java/de/harheimertc/repositories/MemberAreaRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/MemberAreaRepository.kt
@@ -0,0 +1,108 @@
+package de.harheimertc.repositories
+
+import de.harheimertc.data.ApiService
+import de.harheimertc.data.BirthdaysResponse
+import de.harheimertc.data.MembersResponse
+import de.harheimertc.data.NewsResponse
+import de.harheimertc.data.NewsSaveRequest
+import de.harheimertc.data.SecureOfflineCache
+import javax.inject.Inject
+
+class MemberAreaRepository @Inject constructor(
+    private val api: ApiService,
+    private val cache: SecureOfflineCache,
+) {
+    suspend fun birthdays(): Result<BirthdaysResponse> =
+        fetchEncryptedFallback(
+            load = {
+                val response = api.birthdays()
+                if (!response.isSuccessful) error("Geburtstage konnten nicht geladen werden.")
+                response.body() ?: error("Leere Antwort vom Server.")
+            },
+            save = cache::putBirthdays,
+            cached = cache::getBirthdays,
+            fallbackMessage = "Geburtstage konnten nicht geladen werden.",
+        )
+
+    suspend fun members(): Result<MembersResponse> =
+        fetchEncryptedFallback(
+            load = {
+                val response = api.members()
+                if (!response.isSuccessful) error("Mitglieder konnten nicht geladen werden.")
+                response.body() ?: error("Leere Antwort vom Server.")
+            },
+            save = cache::putMembers,
+            cached = cache::getMembers,
+            fallbackMessage = "Mitglieder konnten nicht geladen werden.",
+        )
+
+    suspend fun news(): Result<NewsResponse> =
+        fetchEncryptedFallback(
+            load = {
+                val response = api.memberNews()
+                if (!response.isSuccessful) {
+                    try {
+                        val body = response.errorBody()?.string()
+                        android.util.Log.w("MemberAreaRepository", "memberNews failed: code=${response.code()} body=${body?.take(500)}")
+                    } catch (e: Exception) {
+                        // ignore
+                    }
+                    error("News konnten nicht geladen werden.")
+                }
+                response.body() ?: run {
+                    android.util.Log.w("MemberAreaRepository", "memberNews: successful but empty body (null)")
+                    NewsResponse(success = false, news = emptyList())
+                }
+            },
+            save = cache::putNews,
+            cached = cache::getNews,
+            fallbackMessage = "News konnten nicht geladen werden.",
+        )
+
+    suspend fun saveNews(request: NewsSaveRequest): Result<Unit> = runCatching {
+        val response = api.saveNews(request)
+        if (!response.isSuccessful) error("News konnten nicht gespeichert werden.")
+    }
+
+    suspend fun saveMember(request: de.harheimertc.data.ApiService.MemberSaveRequest): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        val response = api.saveMember(request)
+        if (!response.isSuccessful) error("Mitglied konnte nicht gespeichert werden.")
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun deleteMember(id: String): Result<de.harheimertc.data.AuthMessageResponse> = runCatching {
+        val response = api.deleteMember(mapOf("id" to id))
+        if (!response.isSuccessful) error("Mitglied konnte nicht gelöscht werden.")
+        response.body() ?: de.harheimertc.data.AuthMessageResponse(success = false, message = "Leere Antwort")
+    }
+
+    suspend fun bulkImport(members: List<Map<String, String>>): Result<de.harheimertc.data.ApiService.BulkImportResponse> = runCatching {
+        val response = api.bulkImportMembers(de.harheimertc.data.ApiService.BulkImportRequest(members))
+        if (!response.isSuccessful) error("Bulk-Import fehlgeschlagen")
+        response.body() ?: de.harheimertc.data.ApiService.BulkImportResponse(success = false)
+    }
+
+    suspend fun toggleMannschaftsspieler(memberId: String): Result<Map<String, Any>> = runCatching {
+        val response = api.toggleMannschaftsspieler(mapOf("memberId" to memberId))
+        if (!response.isSuccessful) error("Status konnte nicht umgeschaltet werden.")
+        response.body() ?: emptyMap()
+    }
+
+    suspend fun deleteNews(id: Int): Result<Unit> = runCatching {
+        val response = api.deleteNews(id)
+        if (!response.isSuccessful) error("News konnten nicht gelöscht werden.")
+    }
+
+    private suspend fun <T> fetchEncryptedFallback(
+        load: suspend () -> T,
+        save: (T) -> Unit,
+        cached: () -> T?,
+        fallbackMessage: String,
+    ): Result<T> = runCatching {
+        runCatching { load() }
+            .onSuccess(save)
+            .getOrElse { original ->
+                cached() ?: throw IllegalStateException(fallbackMessage, original)
+            }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/repositories/NewsletterRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/NewsletterRepository.kt
@@ -0,0 +1,33 @@
+package de.harheimertc.repositories
+
+import de.harheimertc.data.ApiService
+import de.harheimertc.data.AuthMessageResponse
+import de.harheimertc.data.NewsletterGroupsResponse
+import de.harheimertc.data.NewsletterSubscriptionRequest
+import javax.inject.Inject
+
+class NewsletterRepository @Inject constructor(private val api: ApiService) {
+    suspend fun groups(): Result<NewsletterGroupsResponse> = runCatching {
+        val response = api.publicNewsletterGroups()
+        if (!response.isSuccessful) error("Newsletter konnten nicht geladen werden.")
+        response.body() ?: error("Leere Antwort vom Server.")
+    }
+
+    suspend fun subscribe(groupId: String, email: String, name: String?): Result<AuthMessageResponse> = runCatching {
+        val response = api.subscribeNewsletter(NewsletterSubscriptionRequest(groupId, email.trim(), name?.trim().orEmpty()))
+        if (!response.isSuccessful) error("Newsletter-Anmeldung fehlgeschlagen.")
+        response.body() ?: AuthMessageResponse(success = true, message = "Eine Bestätigungsmail wurde versendet.")
+    }
+
+    suspend fun unsubscribe(groupId: String, email: String): Result<AuthMessageResponse> = runCatching {
+        val response = api.unsubscribeNewsletter(NewsletterSubscriptionRequest(groupId, email.trim()))
+        if (!response.isSuccessful) error("Newsletter-Abmeldung fehlgeschlagen.")
+        response.body() ?: AuthMessageResponse(success = true, message = "Sie wurden abgemeldet.")
+    }
+
+    suspend fun confirm(token: String): Result<AuthMessageResponse> = runCatching {
+        val response = api.confirmNewsletter(token)
+        if (!response.isSuccessful) error("Newsletter-Bestätigung fehlgeschlagen.")
+        response.body() ?: AuthMessageResponse(success = true, message = "Newsletter-Anmeldung bestätigt.")
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/repositories/PasskeyRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/PasskeyRepository.kt
@@ -0,0 +1,114 @@
+package de.harheimertc.repositories
+
+import android.content.Context
+import androidx.credentials.CreatePublicKeyCredentialRequest
+import androidx.credentials.CreatePublicKeyCredentialResponse
+import androidx.credentials.CredentialManager
+import androidx.credentials.GetCredentialRequest
+import androidx.credentials.GetPublicKeyCredentialOption
+import androidx.credentials.PublicKeyCredential
+import androidx.credentials.exceptions.CreateCredentialCancellationException
+import androidx.credentials.exceptions.GetCredentialCancellationException
+import de.harheimertc.data.ApiService
+import de.harheimertc.data.AuthMessageResponse
+import de.harheimertc.data.LoginResponse
+import de.harheimertc.data.MediaTypes
+import de.harheimertc.data.PasskeyAuthenticationOptionsRequest
+import de.harheimertc.data.PasskeyRegistrationOptionsRequest
+import de.harheimertc.data.PasskeysResponse
+import de.harheimertc.data.RemovePasskeyRequest
+import okhttp3.RequestBody.Companion.toRequestBody
+import org.json.JSONObject
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class PasskeyRepository @Inject constructor(
+    private val api: ApiService,
+    private val authRepository: AuthRepository,
+) {
+    suspend fun login(context: Context, email: String?): Result<LoginResponse> = runCatching {
+        val optionsResponse = api.passkeyAuthenticationOptions(
+            PasskeyAuthenticationOptionsRequest(email = email?.trim()?.takeIf(String::isNotBlank)),
+        )
+        if (!optionsResponse.isSuccessful) error("Passkey-Anmeldung konnte nicht gestartet werden.")
+        val optionsJson = optionsResponse.body()?.string()?.extractJsonObject("options")
+            ?: error("Der Server hat keine Passkey-Optionen geliefert.")
+
+        val credentialManager = CredentialManager.create(context)
+        val credentialResponse = credentialManager.getCredential(
+            context = context,
+            request = GetCredentialRequest(
+                credentialOptions = listOf(GetPublicKeyCredentialOption(optionsJson)),
+            ),
+        )
+        val credential = credentialResponse.credential as? PublicKeyCredential
+            ?: error("Der ausgewählte Zugang ist kein Passkey.")
+
+        val response = api.passkeyLogin(
+            JSONObject()
+                .put("credential", JSONObject(credential.authenticationResponseJson))
+                .put("client", "android")
+                .put("deviceName", "Harheimer TC Android-App")
+                .toString()
+                .toRequestBody(MediaTypes.json),
+        )
+        if (!response.isSuccessful) error("Passkey-Anmeldung fehlgeschlagen.")
+        val body = response.body() ?: error("Leere Antwort")
+        val token = (body.accessToken ?: body.token)?.takeIf(String::isNotBlank)
+            ?: error("Der Server hat kein Zugriffstoken geliefert.")
+        authRepository.setSession(token, body.refreshToken, body.sessionId)
+        body
+    }.recoverCredentialCancellation("Passkey-Anmeldung abgebrochen.")
+
+    suspend fun list(): Result<PasskeysResponse> = runCatching {
+        val response = api.passkeys()
+        if (!response.isSuccessful) error("Passkeys konnten nicht geladen werden.")
+        response.body() ?: error("Leere Antwort")
+    }
+
+    suspend fun add(context: Context, name: String = "Android-App"): Result<AuthMessageResponse> = runCatching {
+        val optionsResponse = api.passkeyRegistrationOptions(PasskeyRegistrationOptionsRequest())
+        if (!optionsResponse.isSuccessful) error("Passkey-Erstellung konnte nicht gestartet werden.")
+        val optionsJson = optionsResponse.body()?.string()?.extractJsonObject("options")
+            ?: error("Der Server hat keine Passkey-Optionen geliefert.")
+
+        val credentialManager = CredentialManager.create(context)
+        val credentialResponse = credentialManager.createCredential(
+            context = context,
+            request = CreatePublicKeyCredentialRequest(optionsJson),
+        ) as? CreatePublicKeyCredentialResponse
+            ?: error("Der erstellte Zugang ist kein Passkey.")
+
+        val response = api.registerPasskey(
+            JSONObject()
+                .put("credential", JSONObject(credentialResponse.registrationResponseJson))
+                .put("name", name)
+                .put("client", "android")
+                .toString()
+                .toRequestBody(MediaTypes.json),
+        )
+        if (!response.isSuccessful) error("Passkey konnte nicht hinzugefügt werden.")
+        response.body() ?: error("Leere Antwort")
+    }.recoverCredentialCancellation("Passkey-Erstellung abgebrochen.")
+
+    suspend fun remove(credentialId: String): Result<AuthMessageResponse> = runCatching {
+        val response = api.removePasskey(RemovePasskeyRequest(credentialId))
+        if (!response.isSuccessful) error("Passkey konnte nicht entfernt werden.")
+        response.body() ?: error("Leere Antwort")
+    }
+
+    private fun String.extractJsonObject(key: String): String? {
+        val root = JSONObject(this)
+        return root.optJSONObject(key)?.toString()
+    }
+
+    private fun <T> Result<T>.recoverCredentialCancellation(message: String): Result<T> =
+        recoverCatching { error ->
+            when (error) {
+                is GetCredentialCancellationException,
+                is CreateCredentialCancellationException -> throw IllegalStateException(message)
+                else -> throw error
+            }
+        }
+}
--- a/android-app/app/src/main/java/de/harheimertc/repositories/ProfileRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/ProfileRepository.kt
@@ -0,0 +1,22 @@
+package de.harheimertc.repositories
+
+import de.harheimertc.data.ApiService
+import de.harheimertc.data.ProfileResponse
+import de.harheimertc.data.ProfileUpdateRequest
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ProfileRepository @Inject constructor(private val api: ApiService) {
+    suspend fun load(): Result<ProfileResponse> = runCatching {
+        val response = api.profile()
+        if (!response.isSuccessful) error("Profil konnte nicht geladen werden.")
+        response.body() ?: error("Leere Antwort")
+    }
+
+    suspend fun save(request: ProfileUpdateRequest): Result<ProfileResponse> = runCatching {
+        val response = api.updateProfile(request)
+        if (!response.isSuccessful) error("Profil konnte nicht gespeichert werden.")
+        response.body() ?: error("Leere Antwort")
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/security/DeviceKeyManager.kt
+++ b/android-app/app/src/main/java/de/harheimertc/security/DeviceKeyManager.kt
@@ -0,0 +1,74 @@
+package de.harheimertc.security
+
+import android.content.Context
+import android.os.Build
+import android.security.keystore.KeyGenParameterSpec
+import android.security.keystore.KeyProperties
+import android.util.Base64
+import java.security.KeyPairGenerator
+import java.security.KeyStore
+import java.security.Signature
+import java.security.spec.ECGenParameterSpec
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class DeviceKeyManager @Inject constructor(@param:ApplicationContext private val context: Context) {
+    private val alias = "harheimertc_device_key"
+    private val keyStore: KeyStore by lazy {
+        KeyStore.getInstance("AndroidKeyStore").apply { load(null) }
+    }
+
+    fun ensureKeyPair(): String? {
+        try {
+            if (!keyStore.containsAlias(alias)) {
+                val kpg = KeyPairGenerator.getInstance(KeyProperties.KEY_ALGORITHM_EC, "AndroidKeyStore")
+                val specBuilder = KeyGenParameterSpec.Builder(
+                    alias,
+                    KeyProperties.PURPOSE_SIGN or KeyProperties.PURPOSE_VERIFY
+                )
+                    .setDigests(KeyProperties.DIGEST_SHA256)
+                    .setAlgorithmParameterSpec(ECGenParameterSpec("secp256r1"))
+                    .setUserAuthenticationRequired(false)
+
+                // For older APIs, KeyGenParameterSpec.Builder methods exist from API 23+
+                kpg.initialize(specBuilder.build())
+                kpg.generateKeyPair()
+            }
+            val pub = keyStore.getCertificate(alias).publicKey.encoded
+            return Base64.encodeToString(pub, Base64.NO_WRAP)
+        } catch (e: Exception) {
+            return null
+        }
+    }
+
+    fun getPublicKeyBase64(): String? {
+        return try {
+            if (!keyStore.containsAlias(alias)) return null
+            val pub = keyStore.getCertificate(alias).publicKey.encoded
+            Base64.encodeToString(pub, Base64.NO_WRAP)
+        } catch (e: Exception) {
+            null
+        }
+    }
+
+    fun sign(data: ByteArray): ByteArray? {
+        return try {
+            val privateKey = keyStore.getKey(alias, null) as? java.security.PrivateKey ?: return null
+            val sig = Signature.getInstance("SHA256withECDSA")
+            sig.initSign(privateKey)
+            sig.update(data)
+            sig.sign()
+        } catch (e: Exception) {
+            null
+        }
+    }
+
+    fun deleteKey() {
+        try {
+            if (keyStore.containsAlias(alias)) keyStore.deleteEntry(alias)
+        } catch (_: Exception) {
+        }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/components/AppNavigationHeader.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/components/AppNavigationHeader.kt
@@ -61,13 +61,17 @@ fun AppNavigationHeader(
        if (webTabletNavigation) {
            WebTabletNavigation(selectedRoute, onNavigate, navigationState)
        } else {
-            CompactNavigation(selectedRoute, onNavigate)
+            CompactNavigation(selectedRoute, onNavigate, navigationState)
        }
    }
 }

@Composable
-private fun CompactNavigation(selectedRoute: String?, onNavigate: (String) -> Unit) {
+private fun CompactNavigation(
+    selectedRoute: String?,
+    onNavigate: (String) -> Unit,
+    navigationState: NavigationUiState = NavigationUiState(),
+) {
    BrandRow(onLogin = { onNavigate(Destinations.Login.route) })
    Row(horizontalArrangement = Arrangement.spacedBy(4.dp)) {
        CompactLink("Start", Destinations.Home.route, selectedRoute, onNavigate, Modifier.weight(1f))
@@ -75,6 +79,9 @@ private fun CompactNavigation(selectedRoute: String?, onNavigate: (String) -> Un
        CompactLink("Spielplan", Destinations.Spielplan.route, selectedRoute, onNavigate, Modifier.weight(1f))
        CompactLink("Galerie", Destinations.Gallery.route, selectedRoute, onNavigate, Modifier.weight(1f))
        CompactLink("Kontakt", Destinations.Contact.route, selectedRoute, onNavigate, Modifier.weight(1f))
+        if (navigationState.isAdmin || navigationState.canAccessNewsletter || navigationState.canAccessContactRequests) {
+            CompactLink("CMS", Destinations.Cms.route, selectedRoute, onNavigate, Modifier.weight(1f))
+        }
    }
 }

@@ -85,6 +92,9 @@ private fun WebTabletNavigation(
    navigationState: NavigationUiState,
 ) {
    val section = menuSection(selectedRoute)
+    var cmsExpanded = androidx.compose.runtime.remember { androidx.compose.runtime.mutableStateOf(false) }
+    // Helper that closes the CMS submenu when navigating away
+    val navigateAndClose: (String) -> Unit = { route -> cmsExpanded.value = false; onNavigate(route) }
    Row(verticalAlignment = Alignment.CenterVertically) {
        Brand()
        Spacer(Modifier.width(16.dp))
@@ -93,12 +103,12 @@ private fun WebTabletNavigation(
            horizontalArrangement = Arrangement.spacedBy(4.dp),
            verticalAlignment = Alignment.CenterVertically,
        ) {
-            MainLink("Start", selectedRoute == Destinations.Home.route, onClick = { onNavigate(Destinations.Home.route) })
-            MainLink("Verein", section == MenuSection.VEREIN, onClick = { onNavigate(Destinations.VereinAbout.route) })
-            MainLink("Mannschaften", section == MenuSection.MANNSCHAFTEN, onClick = { onNavigate(Destinations.Mannschaften.route) })
-            MainLink("Training", section == MenuSection.TRAINING, onClick = { onNavigate(Destinations.Training.route) })
-            MainLink("Mitgliedschaft", selectedRoute == Destinations.Membership.route, onClick = { onNavigate(Destinations.Membership.route) })
-            MainLink("Termine", selectedRoute == Destinations.Termine.route, onClick = { onNavigate(Destinations.Termine.route) })
+            MainLink("Start", selectedRoute == Destinations.Home.route, onClick = { navigateAndClose(Destinations.Home.route) })
+            MainLink("Verein", section == MenuSection.VEREIN, onClick = { navigateAndClose(Destinations.VereinAbout.route) })
+            MainLink("Mannschaften", section == MenuSection.MANNSCHAFTEN, onClick = { navigateAndClose(Destinations.Mannschaften.route) })
+            MainLink("Training", section == MenuSection.TRAINING, onClick = { navigateAndClose(Destinations.Training.route) })
+            MainLink("Mitgliedschaft", selectedRoute == Destinations.Membership.route, onClick = { navigateAndClose(Destinations.Membership.route) })
+            MainLink("Termine", selectedRoute == Destinations.Termine.route, onClick = { navigateAndClose(Destinations.Termine.route) })
            if (navigationState.showGallery) {
                MainLink("Galerie", selectedRoute == Destinations.Gallery.route, onClick = { onNavigate(Destinations.Gallery.route) })
            }
@@ -106,11 +116,18 @@ private fun WebTabletNavigation(
            if (navigationState.loggedIn) {
                MainLink("Intern", section == MenuSection.INTERN, onClick = { onNavigate(Destinations.MemberArea.route) })
            }
-            MainLink("Kontakt", selectedRoute == Destinations.Contact.route, primary = true, onClick = { onNavigate(Destinations.Contact.route) })
-            TextButton(onClick = { onNavigate(Destinations.Login.route) }) { Text("Login", color = Color.White) }
+            MainLink("Kontakt", selectedRoute == Destinations.Contact.route, primary = true, onClick = { navigateAndClose(Destinations.Contact.route) })
+            TextButton(onClick = { navigateAndClose(Destinations.Login.route) }) { Text("Login", color = Color.White) }
        }
    }
    val subItems = submenu(section, navigationState)
+    // determine CMS parent index and children
+    val cmsIndex = subItems.indexOfFirst { it.label == "CMS" }
+    val cmsChildren = if (cmsIndex >= 0) subItems.subList(cmsIndex + 1, subItems.size) else emptyList<MenuTarget>()
+    if (cmsChildren.any { it.route == selectedRoute }) {
+        cmsExpanded.value = true
+    }
+    // First row: render all subitems but do NOT render CMS children here
    Row(
        modifier = Modifier
            .fillMaxWidth()
@@ -118,8 +135,33 @@ private fun WebTabletNavigation(
            .padding(top = 3.dp),
        horizontalArrangement = Arrangement.spacedBy(4.dp),
    ) {
-        subItems.forEach { item ->
-            SubLink(item.label, item.route == selectedRoute) { onNavigate(item.route) }
+        subItems.forEachIndexed { idx, item ->
+            if (idx == cmsIndex) {
+                // CMS parent toggle
+                SubLink(item.label, item.route == selectedRoute) {
+                    cmsExpanded.value = !cmsExpanded.value
+                }
+            } else if (idx > cmsIndex && cmsIndex >= 0) {
+                // skip cms children here; they'll be rendered in the second row when expanded
+            } else {
+                // normal item before CMS: close cms submenu on navigate
+                SubLink(item.label, item.route == selectedRoute) { navigateAndClose(item.route) }
+            }
+        }
+    }
+
+    // Second row: when CMS expanded, render its children beneath
+    if (cmsExpanded.value && cmsChildren.isNotEmpty()) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .horizontalScroll(rememberScrollState())
+                .padding(top = 6.dp, bottom = 3.dp),
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+        ) {
+            cmsChildren.forEach { child ->
+                SubLink(child.label, child.route == selectedRoute) { onNavigate(child.route) }
+            }
        }
    }
 }
@@ -228,6 +270,7 @@ private fun menuSection(route: String?): MenuSection? = when (route) {
    Destinations.Satzung.route,
    Destinations.Vereinsmeisterschaften.route,
    Destinations.Links.route,
+    Destinations.Impressum.route,
    Destinations.Gallery.route -> MenuSection.VEREIN

    Destinations.Mannschaften.route,
@@ -240,14 +283,25 @@ private fun menuSection(route: String?): MenuSection? = when (route) {
    Destinations.Regeln.route -> MenuSection.TRAINING

    Destinations.NewsletterSubscribe.route,
-    Destinations.NewsletterUnsubscribe.route -> MenuSection.NEWSLETTER
+    Destinations.NewsletterUnsubscribe.route,
+    Destinations.NewsletterConfirm.route,
+    Destinations.NewsletterConfirmed.route,
+    Destinations.NewsletterUnsubscribed.route -> MenuSection.NEWSLETTER
    Destinations.MemberArea.route,
    Destinations.Members.route,
    Destinations.MemberNews.route,
    Destinations.Profile.route,
    Destinations.MemberApi.route,
+    Destinations.CmsStartseite.route,
+    Destinations.CmsInhalte.route,
+    Destinations.CmsVereinsmeisterschaften.route,
+    Destinations.CmsSportbetrieb.route,
+    Destinations.CmsMitgliederverwaltung.route,
    Destinations.CmsNewsletter.route,
    Destinations.CmsContactRequests.route,
+    Destinations.CmsEinstellungen.route,
+    Destinations.CmsBenutzer.route,
+    Destinations.CmsPasswordResetDiagnostics.route,
    Destinations.Cms.route -> MenuSection.INTERN
    else -> null
 }.let { section ->
@@ -263,6 +317,7 @@ private fun submenu(section: MenuSection?, state: NavigationUiState): List<MenuT
        MenuTarget("Vereinsmeisterschaften", Destinations.Vereinsmeisterschaften.route),
        MenuTarget("Galerie", Destinations.Gallery.route),
        MenuTarget("Links", Destinations.Links.route),
+        MenuTarget("Impressum", Destinations.Impressum.route),
    )
    MenuSection.MANNSCHAFTEN -> listOf(
        MenuTarget("Übersicht", Destinations.Mannschaften.route),
@@ -279,6 +334,7 @@ private fun submenu(section: MenuSection?, state: NavigationUiState): List<MenuT
    MenuSection.NEWSLETTER -> listOf(
        MenuTarget("Abonnieren", Destinations.NewsletterSubscribe.route),
        MenuTarget("Abmelden", Destinations.NewsletterUnsubscribe.route),
+        MenuTarget("Bestätigt", Destinations.NewsletterConfirmed.route),
    )
    MenuSection.INTERN -> buildList {
        add(MenuTarget("Übersicht", Destinations.MemberArea.route))
@@ -286,9 +342,19 @@ private fun submenu(section: MenuSection?, state: NavigationUiState): List<MenuT
        add(MenuTarget("News", Destinations.MemberNews.route))
        add(MenuTarget("Mein Profil", Destinations.Profile.route))
        add(MenuTarget("API-Dokumentation", Destinations.MemberApi.route))
+        if (state.isAdmin || state.canAccessContactRequests || state.canAccessNewsletter) add(MenuTarget("CMS", Destinations.Cms.route))
+        // CMS child items (will be rendered when CMS parent is expanded)
+        if (state.isAdmin || state.canAccessContactRequests || state.canAccessNewsletter) add(MenuTarget("Übersicht", Destinations.Cms.route))
+        if (state.isAdmin) add(MenuTarget("Startseite", Destinations.CmsStartseite.route))
+        if (state.isAdmin) add(MenuTarget("Inhalte", Destinations.CmsInhalte.route))
+        if (state.isAdmin) add(MenuTarget("Vereinsmeisterschaften", Destinations.CmsVereinsmeisterschaften.route))
+        if (state.isAdmin) add(MenuTarget("Sportbetrieb", Destinations.CmsSportbetrieb.route))
+        if (state.isAdmin) add(MenuTarget("Mitgliederverwaltung", Destinations.CmsMitgliederverwaltung.route))
        if (state.canAccessNewsletter) add(MenuTarget("Newsletter", Destinations.CmsNewsletter.route))
        if (state.canAccessContactRequests) add(MenuTarget("Kontaktanfragen", Destinations.CmsContactRequests.route))
-        if (state.isAdmin) add(MenuTarget("CMS", Destinations.Cms.route))
+        if (state.isAdmin) add(MenuTarget("Einstellungen", Destinations.CmsEinstellungen.route))
+        if (state.isAdmin) add(MenuTarget("Benutzer", Destinations.CmsBenutzer.route))
+        if (state.isAdmin) add(MenuTarget("Reset-Diagnose", Destinations.CmsPasswordResetDiagnostics.route))
    }
    null -> emptyList()
 }
--- a/android-app/app/src/main/java/de/harheimertc/ui/components/FormComponents.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/components/FormComponents.kt
@@ -0,0 +1,56 @@
+package de.harheimertc.ui.components
+
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.input.VisualTransformation
+
+@Composable
+fun ValidatedTextField(
+    value: String,
+    onValueChange: (String) -> Unit,
+    label: String,
+    modifier: Modifier = Modifier.fillMaxWidth(),
+    error: String? = null,
+    keyboardOptions: KeyboardOptions = KeyboardOptions.Default,
+    visualTransformation: VisualTransformation = VisualTransformation.None,
+    singleLine: Boolean = true,
+    minLines: Int = 1,
+) {
+    OutlinedTextField(
+        value = value,
+        onValueChange = onValueChange,
+        label = { Text(label) },
+        isError = error != null,
+        supportingText = error?.let { { Text(it) } },
+        keyboardOptions = keyboardOptions,
+        visualTransformation = visualTransformation,
+        singleLine = singleLine,
+        minLines = minLines,
+        modifier = modifier,
+    )
+}
+
+@Composable
+fun FormMessages(error: String?, message: String?) {
+    error?.let { Text(it, color = MaterialTheme.colorScheme.error) }
+    message?.let { Text(it, color = Color(0xFF166534)) }
+}
+
+internal fun isValidEmail(value: String): Boolean {
+    val trimmed = value.trim()
+    return trimmed.length in 5..254 &&
+        trimmed.count { it == '@' } == 1 &&
+        trimmed.substringBefore('@').isNotBlank() &&
+        trimmed.substringAfter('@').contains('.') &&
+        !trimmed.any(Char::isWhitespace)
+}
+
+internal fun isValidIsoDate(value: String): Boolean =
+    value.trim().matches(Regex("\\d{4}-\\d{2}-\\d{2}"))
+
--- a/android-app/app/src/main/java/de/harheimertc/ui/components/ImageGrid.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/components/ImageGrid.kt
@@ -17,7 +17,6 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import coil.compose.AsyncImage
-import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Text
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
@@ -25,21 +24,35 @@ import androidx.compose.ui.Alignment
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.window.Dialog
+import coil.request.ImageRequest
+import de.harheimertc.R
+import de.harheimertc.repositories.GalleryImage

@OptIn(ExperimentalFoundationApi::class, ExperimentalMaterial3Api::class)
@Composable
-fun ImageGrid(images: List<String>, modifier: Modifier = Modifier) {
-    val selected = remember { mutableStateOf<String?>(null) }
+fun ImageGrid(images: List<GalleryImage>, modifier: Modifier = Modifier) {
+    val selected = remember { mutableStateOf<GalleryImage?>(null) }
+    val context = LocalContext.current

    LazyVerticalGrid(columns = GridCells.Fixed(3), modifier = modifier.padding(8.dp)) {
        items(images) { img ->
+            val description = stringResource(R.string.gallery_image_description, img.title.ifBlank { img.id })
            Card(modifier = Modifier.padding(4.dp), elevation = CardDefaults.cardElevation(4.dp)) {
                AsyncImage(
-                    model = img,
-                    contentDescription = "Gallery image",
+                    model = ImageRequest.Builder(context)
+                        .data(img.previewUrl)
+                        .size(300, 300)
+                        .crossfade(true)
+                        .build(),
+                    contentDescription = description,
                    modifier = Modifier
                        .aspectRatio(1f)
+                        .semantics { contentDescription = description }
                        .clickable { selected.value = img },
                    contentScale = ContentScale.Crop
                )
@@ -51,9 +64,20 @@ fun ImageGrid(images: List<String>, modifier: Modifier = Modifier) {
        Dialog(onDismissRequest = { selected.value = null }) {
            Surface(modifier = Modifier.fillMaxSize()) {
                Box(contentAlignment = Alignment.Center) {
-                    AsyncImage(model = selected.value, contentDescription = "Full image", modifier = Modifier.fillMaxSize(), contentScale = ContentScale.Fit)
-                    Button(onClick = { selected.value = null }, modifier = Modifier.align(Alignment.TopEnd), colors = ButtonDefaults.buttonColors()) {
-                        Text("Schließen")
+                    AsyncImage(
+                        model = selected.value?.imageUrl,
+                        contentDescription = selected.value?.title ?: stringResource(R.string.gallery_title),
+                        modifier = Modifier.fillMaxSize(),
+                        contentScale = ContentScale.Fit,
+                    )
+                    Button(
+                        onClick = { selected.value = null },
+                        modifier = Modifier
+                            .align(Alignment.TopEnd)
+                            .semantics { contentDescription = context.getString(R.string.gallery_close_image) },
+                        colors = ButtonDefaults.buttonColors(),
+                    ) {
+                        Text(stringResource(R.string.gallery_upload_hide))
                    }
                }
            }
--- a/android-app/app/src/main/java/de/harheimertc/ui/components/NativeRichTextEditor.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/components/NativeRichTextEditor.kt
@@ -0,0 +1,205 @@
+package de.harheimertc.ui.components
+
+import androidx.compose.foundation.horizontalScroll
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.AssistChip
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.TextRange
+import androidx.compose.ui.text.input.TextFieldValue
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun NativeRichTextEditor(
+    value: String,
+    onValueChange: (String) -> Unit,
+    label: String,
+    modifier: Modifier = Modifier,
+) {
+    var fieldValue by remember(value) { mutableStateOf(TextFieldValue(value, TextRange(value.length))) }
+    var linkDialog by remember { mutableStateOf(false) }
+    var imageDialog by remember { mutableStateOf(false) }
+
+    fun commit(next: TextFieldValue) {
+        fieldValue = next
+        onValueChange(normalizeEmptyHtml(next.text))
+    }
+
+    Column(modifier, verticalArrangement = Arrangement.spacedBy(10.dp)) {
+        Text(label, style = MaterialTheme.typography.titleLarge)
+        ToolbarRow(
+            onAction = { action ->
+                when (action) {
+                    RichTextAction.Link -> linkDialog = true
+                    RichTextAction.Image -> imageDialog = true
+                    RichTextAction.Clean -> commit(fieldValue.copy(text = stripHtml(fieldValue.text), selection = TextRange(stripHtml(fieldValue.text).length)))
+                    else -> commit(applyAction(fieldValue, action))
+                }
+            },
+        )
+        OutlinedTextField(
+            value = fieldValue,
+            onValueChange = { commit(it) },
+            label = { Text("HTML-Inhalt") },
+            minLines = 12,
+            modifier = Modifier.fillMaxWidth(),
+        )
+        Surface(color = Color(0xFFF4F4F5), modifier = Modifier.fillMaxWidth()) {
+            Column(Modifier.fillMaxWidth().padding(12.dp), verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                Text("Vorschau", style = MaterialTheme.typography.labelLarge)
+                if (fieldValue.text.isBlank()) Text("Noch kein Inhalt.", color = Color(0xFF71717A)) else RichText(fieldValue.text)
+            }
+        }
+    }
+
+    if (linkDialog) {
+        UrlDialog(
+            title = "Link einfügen",
+            placeholder = "https://...",
+            onDismiss = { linkDialog = false },
+            onConfirm = { url ->
+                commit(applyLink(fieldValue, url))
+                linkDialog = false
+            },
+        )
+    }
+    if (imageDialog) {
+        UrlDialog(
+            title = "Bild einfügen",
+            placeholder = "https://.../bild.jpg",
+            onDismiss = { imageDialog = false },
+            onConfirm = { url ->
+                commit(insertHtml(fieldValue, """<p><img src="${escapeHtml(url)}"></p>"""))
+                imageDialog = false
+            },
+        )
+    }
+}
+
+@Composable
+private fun ToolbarRow(onAction: (RichTextAction) -> Unit) {
+    Row(
+        modifier = Modifier.fillMaxWidth().horizontalScroll(rememberScrollState()),
+        horizontalArrangement = Arrangement.spacedBy(8.dp),
+    ) {
+        RichTextAction.entries.forEach { action ->
+            AssistChip(onClick = { onAction(action) }, label = { Text(action.label) })
+        }
+    }
+}
+
+@Composable
+private fun UrlDialog(title: String, placeholder: String, onDismiss: () -> Unit, onConfirm: (String) -> Unit) {
+    var value by remember { mutableStateOf("") }
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text(title) },
+        text = {
+            OutlinedTextField(value = value, onValueChange = { value = it }, label = { Text(placeholder) }, singleLine = true)
+        },
+        confirmButton = {
+            Button(onClick = { onConfirm(value.trim()) }, enabled = value.isNotBlank()) { Text("Einfügen") }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) { Text("Abbrechen") }
+        },
+    )
+}
+
+private enum class RichTextAction(val label: String) {
+    H1("H1"),
+    H2("H2"),
+    H3("H3"),
+    Bold("B"),
+    Italic("I"),
+    Underline("U"),
+    Strike("S"),
+    Color("Farbe"),
+    Background("Marker"),
+    OrderedList("1."),
+    BulletList("•"),
+    AlignCenter("Zentriert"),
+    Link("Link"),
+    Image("Bild"),
+    Blockquote("Zitat"),
+    CodeBlock("Code"),
+    Clean("Clean"),
+}
+
+private fun applyAction(value: TextFieldValue, action: RichTextAction): TextFieldValue = when (action) {
+    RichTextAction.H1 -> wrapBlock(value, "h1")
+    RichTextAction.H2 -> wrapBlock(value, "h2")
+    RichTextAction.H3 -> wrapBlock(value, "h3")
+    RichTextAction.Bold -> wrapInline(value, "strong")
+    RichTextAction.Italic -> wrapInline(value, "em")
+    RichTextAction.Underline -> wrapInline(value, "u")
+    RichTextAction.Strike -> wrapInline(value, "s")
+    RichTextAction.Color -> wrapInline(value, "span", " style=\"color: #dc2626;\"")
+    RichTextAction.Background -> wrapInline(value, "span", " style=\"background-color: #fef3c7;\"")
+    RichTextAction.OrderedList -> wrapLines(value, "ol")
+    RichTextAction.BulletList -> wrapLines(value, "ul")
+    RichTextAction.AlignCenter -> wrapSelection(value, """<p class="ql-align-center">""", "</p>")
+    RichTextAction.Blockquote -> wrapBlock(value, "blockquote")
+    RichTextAction.CodeBlock -> wrapSelection(value, """<pre class="ql-syntax" spellcheck="false">""", "</pre>")
+    RichTextAction.Link,
+    RichTextAction.Image,
+    RichTextAction.Clean -> value
+}
+
+private fun applyLink(value: TextFieldValue, url: String): TextFieldValue {
+    val safeUrl = escapeHtml(url)
+    val label = selectedText(value).ifBlank { safeUrl }
+    return replaceSelection(value, """<a href="$safeUrl">$label</a>""")
+}
+
+private fun wrapInline(value: TextFieldValue, tag: String, attrs: String = ""): TextFieldValue =
+    wrapSelection(value, "<$tag$attrs>", "</$tag>")
+
+private fun wrapBlock(value: TextFieldValue, tag: String): TextFieldValue =
+    wrapSelection(value, "<$tag>", "</$tag>")
+
+private fun wrapLines(value: TextFieldValue, listTag: String): TextFieldValue {
+    val lines = selectedText(value).ifBlank { "Listeneintrag" }
+        .lines()
+        .filter { it.isNotBlank() }
+        .joinToString("") { "<li>${escapeHtml(it)}</li>" }
+    return replaceSelection(value, "<$listTag>$lines</$listTag>")
+}
+
+private fun wrapSelection(value: TextFieldValue, prefix: String, suffix: String): TextFieldValue =
+    replaceSelection(value, prefix + selectedText(value).ifBlank { "Text" } + suffix)
+
+private fun insertHtml(value: TextFieldValue, html: String): TextFieldValue = replaceSelection(value, html)
+
+private fun replaceSelection(value: TextFieldValue, replacement: String): TextFieldValue {
+    val start = value.selection.min.coerceIn(0, value.text.length)
+    val end = value.selection.max.coerceIn(0, value.text.length)
+    val next = value.text.replaceRange(start, end, replacement)
+    val cursor = start + replacement.length
+    return TextFieldValue(next, TextRange(cursor))
+}
+
+private fun selectedText(value: TextFieldValue): String {
+    val start = value.selection.min.coerceIn(0, value.text.length)
+    val end = value.selection.max.coerceIn(0, value.text.length)
+    return value.text.substring(start, end)
+}
+
+// HTML helper functions moved to RichTextUtils.kt for reuse and testing
--- a/android-app/app/src/main/java/de/harheimertc/ui/components/RichText.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/components/RichText.kt
@@ -0,0 +1,31 @@
+package de.harheimertc.ui.components
+
+import android.text.method.LinkMovementMethod
+import android.widget.TextView
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.viewinterop.AndroidView
+import androidx.core.text.HtmlCompat
+
+@Composable
+fun RichText(
+    html: String,
+    modifier: Modifier = Modifier.fillMaxWidth(),
+) {
+    AndroidView(
+        modifier = modifier,
+        factory = { context ->
+            TextView(context).apply {
+                textSize = 17f
+                setTextColor(android.graphics.Color.rgb(63, 63, 70))
+                movementMethod = LinkMovementMethod.getInstance()
+                setLineSpacing(0f, 1.2f)
+            }
+        },
+        update = { textView ->
+            textView.text = HtmlCompat.fromHtml(html, HtmlCompat.FROM_HTML_MODE_COMPACT)
+        },
+    )
+}
+
--- a/android-app/app/src/main/java/de/harheimertc/ui/components/RichTextUtils.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/components/RichTextUtils.kt
@@ -0,0 +1,15 @@
+package de.harheimertc.ui.components
+
+fun normalizeEmptyHtml(value: String): String =
+    if (stripHtml(value).isBlank() && !value.contains("<img", ignoreCase = true)) "" else value
+
+fun stripHtml(value: String): String = value
+    .replace(Regex("<[^>]+>"), "")
+    .replace("&nbsp;", " ")
+    .trim()
+
+fun escapeHtml(value: String): String = value
+    .replace("&", "&amp;")
+    .replace("<", "&lt;")
+    .replace(">", "&gt;")
+    .replace("\"", "&quot;")
--- a/android-app/app/src/main/java/de/harheimertc/ui/navigation/Destinations.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/navigation/Destinations.kt
@@ -8,10 +8,14 @@ sealed class Destinations(val route: String) {
    object Satzung : Destinations("verein/satzung")
    object Vereinsmeisterschaften : Destinations("verein/vereinsmeisterschaften")
    object Links : Destinations("verein/links")
+    object Impressum : Destinations("impressum")
    object Mannschaften : Destinations("mannschaften")
    object MannschaftDetail : Destinations("mannschaften/{slug}") {
        fun create(slug: String): String = "mannschaften/$slug"
    }
+    object MannschaftLegacyDetail : Destinations("mannschaft/{slug}") {
+        fun create(slug: String): String = "mannschaft/$slug"
+    }
    object Termine : Destinations("termine")
    object Spielplan : Destinations("spielplan")
    object Spielsysteme : Destinations("mannschaften/spielsysteme")
@@ -22,6 +26,9 @@ sealed class Destinations(val route: String) {
    object Gallery : Destinations("gallery")
    object NewsletterSubscribe : Destinations("newsletter/subscribe")
    object NewsletterUnsubscribe : Destinations("newsletter/unsubscribe")
+    object NewsletterConfirm : Destinations("newsletter/confirm")
+    object NewsletterConfirmed : Destinations("newsletter/confirmed")
+    object NewsletterUnsubscribed : Destinations("newsletter/unsubscribed")
    object Contact : Destinations("contact")
    object Membership : Destinations("membership")
    object Login : Destinations("login")
@@ -32,7 +39,15 @@ sealed class Destinations(val route: String) {
    object MemberNews : Destinations("intern/news")
    object Profile : Destinations("intern/profil")
    object MemberApi : Destinations("intern/api")
+    object CmsStartseite : Destinations("cms/startseite")
+    object CmsInhalte : Destinations("cms/inhalte")
+    object CmsVereinsmeisterschaften : Destinations("cms/vereinsmeisterschaften")
+    object CmsSportbetrieb : Destinations("cms/sportbetrieb")
+    object CmsMitgliederverwaltung : Destinations("cms/mitgliederverwaltung")
    object CmsNewsletter : Destinations("cms/newsletter")
    object CmsContactRequests : Destinations("cms/kontaktanfragen")
+    object CmsEinstellungen : Destinations("cms/einstellungen")
+    object CmsBenutzer : Destinations("cms/benutzer")
+    object CmsPasswordResetDiagnostics : Destinations("cms/passwort-reset-diagnose")
    object Cms : Destinations("cms")
 }
--- a/android-app/app/src/main/java/de/harheimertc/ui/navigation/NavGraph.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/navigation/NavGraph.kt
@@ -15,14 +15,14 @@ import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import de.harheimertc.ui.components.AppNavigationHeader
-import de.harheimertc.ui.components.PendingPage

@Composable
 fun NavGraph(
    navController: NavHostController,
    startDestination: String = Destinations.Home.route,
-    navigationViewModel: NavigationViewModel = hiltViewModel(),
+    navigationViewModelParam: NavigationViewModel? = null,
 ) {
+    val navigationViewModel: NavigationViewModel = navigationViewModelParam ?: hiltViewModel()
    val backStackEntry = navController.currentBackStackEntryAsState().value
    val route = backStackEntry?.destination?.route
    val currentRoute = if (route == Destinations.MannschaftDetail.route) {
@@ -90,12 +90,27 @@ fun NavGraph(
                        showBackNavigation = !persistentNavigation,
                    )
                }
+                composable(Destinations.Impressum.route) {
+                    de.harheimertc.ui.screens.publicpages.ImpressumScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
+                }
                composable(Destinations.Mannschaften.route) {
                    de.harheimertc.ui.screens.mannschaften.MannschaftenScreen(
                        navController = navController,
                        showBackNavigation = !persistentNavigation,
                    )
                }
+                composable("mannschaften/herren") {
+                    de.harheimertc.ui.screens.mannschaften.MannschaftenScreen(navController, !persistentNavigation)
+                }
+                composable("mannschaften/damen") {
+                    de.harheimertc.ui.screens.mannschaften.MannschaftenScreen(navController, !persistentNavigation)
+                }
+                composable("mannschaften/jugend") {
+                    de.harheimertc.ui.screens.mannschaften.MannschaftenScreen(navController, !persistentNavigation)
+                }
                composable(Destinations.MannschaftDetail.route) { entry ->
                    de.harheimertc.ui.screens.mannschaften.MannschaftDetailScreen(
                        slug = entry.arguments?.getString("slug").orEmpty(),
@@ -103,6 +118,13 @@ fun NavGraph(
                        showBackNavigation = !persistentNavigation,
                    )
                }
+                composable(Destinations.MannschaftLegacyDetail.route) { entry ->
+                    de.harheimertc.ui.screens.mannschaften.MannschaftDetailScreen(
+                        slug = entry.arguments?.getString("slug").orEmpty(),
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
+                }
                composable(Destinations.Termine.route) {
                    de.harheimertc.ui.screens.termine.TermineScreen(
                        navController = navController,
@@ -121,6 +143,9 @@ fun NavGraph(
                        showBackNavigation = !persistentNavigation,
                    )
                }
+                composable("spielsysteme") {
+                    de.harheimertc.ui.screens.publicpages.SpielsystemeScreen(navController, !persistentNavigation)
+                }
                composable(Destinations.Training.route) {
                    de.harheimertc.ui.screens.training.TrainingScreen(
                        navController = navController,
@@ -145,14 +170,48 @@ fun NavGraph(
                        showBackNavigation = !persistentNavigation,
                    )
                }
+                composable("tt-regeln") {
+                    de.harheimertc.ui.screens.publicpages.RegelnScreen(navController, !persistentNavigation)
+                }
+                composable("verein/tt-regeln") {
+                    de.harheimertc.ui.screens.publicpages.RegelnScreen(navController, !persistentNavigation)
+                }
                composable(Destinations.Gallery.route) {
                    de.harheimertc.ui.screens.gallery.GalleryScreen()
                }
+                composable("galerie") {
+                    de.harheimertc.ui.screens.gallery.GalleryScreen()
+                }
                composable(Destinations.NewsletterSubscribe.route) {
-                    PendingPage(navController, "Newsletter abonnieren", "/newsletter/subscribe", !persistentNavigation)
+                    de.harheimertc.ui.screens.newsletter.NewsletterSubscribeScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
                }
                composable(Destinations.NewsletterUnsubscribe.route) {
-                    PendingPage(navController, "Newsletter abmelden", "/newsletter/unsubscribe", !persistentNavigation)
+                    de.harheimertc.ui.screens.newsletter.NewsletterUnsubscribeScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
+                }
+                composable(Destinations.NewsletterConfirm.route) {
+                    de.harheimertc.ui.screens.newsletter.NewsletterConfirmScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                        token = null,
+                    )
+                }
+                composable(Destinations.NewsletterConfirmed.route) {
+                    de.harheimertc.ui.screens.newsletter.NewsletterConfirmedScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
+                }
+                composable(Destinations.NewsletterUnsubscribed.route) {
+                    de.harheimertc.ui.screens.newsletter.NewsletterUnsubscribedScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
                }
                composable(Destinations.Contact.route) {
                    de.harheimertc.ui.screens.contact.ContactScreen()
@@ -181,29 +240,77 @@ fun NavGraph(
                        showBackNavigation = !persistentNavigation,
                    )
                }
+                composable("ueber-uns") {
+                    de.harheimertc.ui.screens.publicpages.AboutScreen(navController, !persistentNavigation)
+                }
+                composable("geschichte") {
+                    de.harheimertc.ui.screens.publicpages.GeschichteScreen(navController, !persistentNavigation)
+                }
+                composable("satzung") {
+                    de.harheimertc.ui.screens.publicpages.SatzungScreen(navController, !persistentNavigation)
+                }
                composable(Destinations.MemberArea.route) {
-                    PendingPage(navController, "Intern", "/mitgliederbereich", !persistentNavigation)
+                    de.harheimertc.ui.screens.memberarea.MemberAreaScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
                }
                composable(Destinations.Members.route) {
-                    PendingPage(navController, "Mitgliederliste", "/mitgliederbereich/mitglieder", !persistentNavigation)
+                    de.harheimertc.ui.screens.memberarea.MembersScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
                }
                composable(Destinations.MemberNews.route) {
-                    PendingPage(navController, "News", "/mitgliederbereich/news", !persistentNavigation)
+                    de.harheimertc.ui.screens.memberarea.MemberNewsScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
                }
                composable(Destinations.Profile.route) {
-                    PendingPage(navController, "Mein Profil", "/mitgliederbereich/profil", !persistentNavigation)
+                    de.harheimertc.ui.screens.profile.ProfileScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
                }
                composable(Destinations.MemberApi.route) {
-                    PendingPage(navController, "API-Dokumentation", "/mitgliederbereich/api", !persistentNavigation)
+                    de.harheimertc.ui.screens.memberarea.MemberApiScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                    )
+                }
+                composable(Destinations.CmsStartseite.route) {
+                    de.harheimertc.ui.screens.cms.CmsStartseiteScreen(navController, !persistentNavigation)
+                }
+                composable(Destinations.CmsInhalte.route) {
+                    de.harheimertc.ui.screens.cms.CmsInhalteScreen(navController, !persistentNavigation)
+                }
+                composable(Destinations.CmsVereinsmeisterschaften.route) {
+                    de.harheimertc.ui.screens.cms.CmsVereinsmeisterschaftenScreen(navController, !persistentNavigation)
+                }
+                composable(Destinations.CmsSportbetrieb.route) {
+                    de.harheimertc.ui.screens.cms.CmsSportbetriebScreen(navController, !persistentNavigation)
+                }
+                composable(Destinations.CmsMitgliederverwaltung.route) {
+                    de.harheimertc.ui.screens.cms.CmsMitgliederverwaltungScreen(navController, !persistentNavigation)
                }
                composable(Destinations.CmsNewsletter.route) {
-                    PendingPage(navController, "Newsletter", "/cms/newsletter", !persistentNavigation)
+                    de.harheimertc.ui.screens.cms.CmsNewsletterScreen(navController, !persistentNavigation)
                }
                composable(Destinations.CmsContactRequests.route) {
-                    PendingPage(navController, "Kontaktanfragen", "/cms/kontaktanfragen", !persistentNavigation)
+                    de.harheimertc.ui.screens.cms.CmsContactRequestsScreen(navController, !persistentNavigation)
+                }
+                composable(Destinations.CmsEinstellungen.route) {
+                    de.harheimertc.ui.screens.cms.CmsEinstellungenScreen(navController, !persistentNavigation)
+                }
+                composable(Destinations.CmsBenutzer.route) {
+                    de.harheimertc.ui.screens.cms.CmsBenutzerScreen(navController, !persistentNavigation)
+                }
+                composable(Destinations.CmsPasswordResetDiagnostics.route) {
+                    de.harheimertc.ui.screens.cms.CmsPasswordResetDiagnosticsScreen(navController, !persistentNavigation)
                }
                composable(Destinations.Cms.route) {
-                    PendingPage(navController, "CMS", "/cms", !persistentNavigation)
+                    de.harheimertc.ui.screens.cms.CmsDashboardScreen(navController, !persistentNavigation)
                }
            }
        }
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/cms/CmsBenutzerScreens.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/cms/CmsBenutzerScreens.kt
@@ -0,0 +1,3 @@
+package de.harheimertc.ui.screens.cms
+
+// Placeholder: functionality moved to CmsScreens.kt (CmsUserListPage / UserCard)
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/cms/CmsNewsScreens.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/cms/CmsNewsScreens.kt
@@ -0,0 +1,306 @@
+package de.harheimertc.ui.screens.cms
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Checkbox
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.ui.draw.clip
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.graphics.Color
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import androidx.compose.ui.platform.LocalContext
+import de.harheimertc.data.NewsDto
+import de.harheimertc.data.NewsSaveRequest
+import de.harheimertc.ui.components.FormMessages
+import de.harheimertc.ui.components.NativeRichTextEditor
+import de.harheimertc.ui.navigation.Destinations
+import kotlinx.coroutines.launch
+import java.time.Instant
+import java.time.LocalDateTime
+import java.time.ZoneId
+import java.time.format.DateTimeFormatter
+import java.util.Locale
+
+@Composable
+fun CmsNewsScreen(navController: NavController, showBackNavigation: Boolean, viewModel: CmsViewModel = hiltViewModel()) {
+    val state by viewModel.state.collectAsState()
+    val scope = rememberCoroutineScope()
+    var selection by remember { mutableStateOf(setOf<Int>()) }
+    val loginVm: de.harheimertc.ui.screens.login.LoginViewModel = hiltViewModel()
+    val loginState by loginVm.state.collectAsState()
+    val canWrite = loginState.roles.any { it == "admin" || it == "vorstand" }
+    val context = LocalContext.current
+    var showSuccessDialog by remember { mutableStateOf(false) }
+
+    androidx.compose.runtime.LaunchedEffect(state.message) {
+        if (!state.message.isNullOrBlank()) showSuccessDialog = true
+    }
+
+    // Local dialog state for create/edit + delete confirmation (hoisted)
+    var dialogOpen by remember { mutableStateOf(false) }
+    var deletingIds by remember { mutableStateOf<List<Int>?>(null) }
+    var editing by remember { mutableStateOf<NewsDto?>(null) }
+    var title by remember { mutableStateOf("") }
+    var content by remember { mutableStateOf("") }
+    var isPublic by remember { mutableStateOf(false) }
+    var isHidden by remember { mutableStateOf(false) }
+    var expiresAt by remember { mutableStateOf("") } // format: yyyy-MM-dd'T'HH:mm
+
+    val dtFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm")
+    val displayFormatter = DateTimeFormatter.ofPattern("d. MMMM yyyy, HH:mm", Locale.GERMANY)
+
+    fun convertUTCToLocal(utc: String?): String {
+        if (utc.isNullOrBlank()) return ""
+        return try {
+            val instant = Instant.parse(utc)
+            LocalDateTime.ofInstant(instant, ZoneId.systemDefault()).format(dtFormatter)
+        } catch (e: Exception) { "" }
+    }
+
+    fun convertLocalToUTC(local: String?): String? {
+        if (local.isNullOrBlank()) return null
+        return try {
+            val ldt = LocalDateTime.parse(local, dtFormatter)
+            ldt.atZone(ZoneId.systemDefault()).toInstant().toString()
+        } catch (e: Exception) { null }
+    }
+
+    // open create
+    fun openAdd() {
+        editing = null
+        title = ""
+        content = ""
+        isPublic = false
+        isHidden = false
+        expiresAt = ""
+        dialogOpen = true
+    }
+
+    // open edit
+    fun openEdit(item: NewsDto) {
+        editing = item
+        title = item.title
+        content = item.content
+        isPublic = item.isPublic
+        isHidden = item.isHidden
+        expiresAt = convertUTCToLocal(item.expiresAt)
+        dialogOpen = true
+    }
+
+    CmsPage(navController, showBackNavigation, "News", "Interne und öffentliche News") {
+        if (state.loading) item { CircularProgressIndicator() }
+
+        item {
+            Button(onClick = { viewModel.load(); /* ensure latest */ }, modifier = Modifier.fillMaxWidth()) { Text("Neu laden") }
+        }
+
+        item {
+            if (canWrite) Button(onClick = { openAdd() }, modifier = Modifier.fillMaxWidth()) { Text("News erstellen") }
+        }
+
+        item {
+            FormMessages(state.error, state.message)
+        }
+
+        if (!state.loading && state.news.isEmpty()) item { Text("Noch keine News vorhanden.", modifier = Modifier.padding(12.dp)) }
+
+        // selection state for bulk actions (moved to outer scope)
+
+        items(state.news) { news ->
+            val selected = news.id?.let { selection.contains(it) } ?: false
+            NewsListItem(news = news, selected = selected, onSelect = { id, sel ->
+                id?.let {
+                    selection = if (sel) selection + it else selection - it
+                }
+            }, onEdit = { openEdit(news) }, onDelete = { news.id?.let { id -> deletingIds = listOf(id) } })
+        }
+
+        // bulk action bar
+        if (selection.isNotEmpty()) {
+            item {
+                Row(modifier = Modifier.fillMaxWidth().padding(8.dp), horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                    Button(onClick = { viewModel.bulkSetPublic(selection.toList(), true) }) { Text("Als öffentlich markieren") }
+                    Button(onClick = { viewModel.bulkSetPublic(selection.toList(), false) }) { Text("Als nicht-öffentlich markieren") }
+                    Button(onClick = { viewModel.bulkSetHidden(selection.toList(), true) }) { Text("Ausblenden") }
+                    Button(onClick = { viewModel.bulkSetHidden(selection.toList(), false) }) { Text("Einblenden") }
+                    Button(onClick = { /* confirm then delete */ deletingIds = selection.toList() }) { Text("Löschen") }
+                }
+            }
+        }
+    }
+
+    // (moved earlier)
+
+    // delete confirmation dialog
+    if (deletingIds != null) {
+        AlertDialog(
+            onDismissRequest = { deletingIds = null },
+            title = { Text("News löschen") },
+            text = { Text("Möchten Sie die ausgewählten News wirklich löschen?") },
+            confirmButton = { Button(onClick = {
+                deletingIds?.let { viewModel.bulkDelete(it) }
+                deletingIds = null
+                selection = emptySet()
+            }) { Text("Löschen") } },
+            dismissButton = { TextButton(onClick = { deletingIds = null }) { Text("Abbrechen") } },
+        )
+    }
+
+    // dialog for create/edit
+    if (dialogOpen) {
+        AlertDialog(
+            onDismissRequest = { dialogOpen = false },
+            title = { Text(if (editing == null) "News erstellen" else "News bearbeiten") },
+            text = {
+                Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                    OutlinedTextField(value = title, onValueChange = { title = it }, label = { Text("Titel *") }, modifier = Modifier.fillMaxWidth())
+                    NativeRichTextEditor(content, { content = it }, "Inhalt *")
+
+                    Row(verticalAlignment = androidx.compose.ui.Alignment.CenterVertically) {
+                        Checkbox(checked = isPublic, onCheckedChange = { isPublic = it })
+                        Text("Öffentliche News (auf Startseite anzeigen)", modifier = Modifier.padding(start = 8.dp))
+                    }
+
+                    if (isPublic) {
+                        // read-only datetime field that opens native pickers
+                        OutlinedTextField(
+                            value = expiresAt,
+                            onValueChange = { /* no-op: controlled by pickers */ },
+                            label = { Text("Ablaufdatum (optional)") },
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .clickable {
+                                    // open date then time picker
+                                    val now = java.util.Calendar.getInstance()
+                                    val year = now.get(java.util.Calendar.YEAR)
+                                    val month = now.get(java.util.Calendar.MONTH)
+                                    val day = now.get(java.util.Calendar.DAY_OF_MONTH)
+                                    android.app.DatePickerDialog(context, { _, y, m, d ->
+                                        val hour = now.get(java.util.Calendar.HOUR_OF_DAY)
+                                        val minute = now.get(java.util.Calendar.MINUTE)
+                                        android.app.TimePickerDialog(context, { _, h, min ->
+                                            val ldt = LocalDateTime.of(y, m + 1, d, h, min)
+                                            expiresAt = ldt.format(dtFormatter)
+                                        }, hour, minute, true).show()
+                                    }, year, month, day).show()
+                                },
+                            readOnly = true,
+                        )
+                        Row(verticalAlignment = androidx.compose.ui.Alignment.CenterVertically) {
+                            Checkbox(checked = isHidden, onCheckedChange = { isHidden = it })
+                            Text("News ausblenden", modifier = Modifier.padding(start = 8.dp))
+                        }
+                    }
+
+                    val err = state.error
+                    if (err != null) {
+                        Text(err, color = Color(0xFF842029))
+                    }
+                }
+            },
+            confirmButton = {
+                Button(onClick = {
+                    val req = NewsSaveRequest(
+                        id = editing?.id,
+                        title = title,
+                        content = content,
+                        isPublic = isPublic,
+                        isHidden = isHidden,
+                        expiresAt = convertLocalToUTC(expiresAt),
+                    )
+                    viewModel.saveNews(req)
+                    dialogOpen = false
+                }, enabled = !state.saving) { Text(if (state.saving) "Speichert..." else "Speichern") }
+            },
+            dismissButton = {
+                TextButton(onClick = { dialogOpen = false }) { Text("Abbrechen") }
+            }
+        )
+    }
+
+    if (showSuccessDialog && !state.message.isNullOrBlank()) {
+        AlertDialog(
+            onDismissRequest = { showSuccessDialog = false },
+            title = { Text("Erfolg") },
+            text = { Text(state.message ?: "") },
+            confirmButton = { Button(onClick = { showSuccessDialog = false }) { Text("OK") } },
+        )
+    }
+}
+
+@Composable
+private fun NewsListItem(
+    news: NewsDto,
+    selected: Boolean = false,
+    onSelect: (Int?, Boolean) -> Unit = { _, _ -> },
+    onEdit: (NewsDto) -> Unit,
+    onDelete: (Int) -> Unit,
+) {
+    androidx.compose.material3.Surface(modifier = Modifier.fillMaxWidth().padding(8.dp)) {
+        Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceBetween) {
+            Column(modifier = Modifier.weight(1f)) {
+                Row(verticalAlignment = androidx.compose.ui.Alignment.CenterVertically) {
+                    Checkbox(checked = selected, onCheckedChange = { onSelect(news.id, it) })
+                    Text(news.title.ifBlank { "(Ohne Titel)" }, modifier = Modifier.padding(start = 8.dp))
+                    if (news.isPublic) {
+                        Row(verticalAlignment = androidx.compose.ui.Alignment.CenterVertically, modifier = Modifier.padding(start = 8.dp)) {
+                            Box(modifier = Modifier.size(10.dp).clip(CircleShape).background(Color(0xFF0EA5A6)))
+                            Text("Öffentlich", modifier = Modifier.padding(start = 6.dp))
+                        }
+                    }
+                    if (news.isHidden) {
+                        Row(verticalAlignment = androidx.compose.ui.Alignment.CenterVertically, modifier = Modifier.padding(start = 8.dp)) {
+                            Box(modifier = Modifier.size(10.dp).clip(CircleShape).background(Color.Gray))
+                            Text("Ausgeblendet", modifier = Modifier.padding(start = 6.dp))
+                        }
+                    }
+                    val expired = news.expiresAt?.let {
+                        try { Instant.parse(it).isBefore(Instant.now()) || Instant.parse(it).equals(Instant.now()) } catch (e: Exception) { false }
+                    } ?: false
+                    if (expired) {
+                        Row(verticalAlignment = androidx.compose.ui.Alignment.CenterVertically, modifier = Modifier.padding(start = 8.dp)) {
+                            Box(modifier = Modifier.size(10.dp).clip(CircleShape).background(Color(0xFFB91C1C)))
+                            Text("Abgelaufen", modifier = Modifier.padding(start = 6.dp))
+                        }
+                    }
+                }
+
+                Row(modifier = Modifier.padding(top = 4.dp)) {
+                    Text(news.author ?: "-", modifier = Modifier.padding(end = 12.dp))
+                    Text(news.created ?: "-")
+                }
+                if (news.updated != null && news.updated != news.created) {
+                    Text("Aktualisiert: ${news.updated}")
+                }
+            }
+            Row {
+                TextButton(onClick = { onEdit(news) }) { Text("Bearbeiten") }
+                TextButton(onClick = { news.id?.let { onDelete(it) } }) { Text("Löschen") }
+            }
+        }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/cms/CmsScreens.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/cms/CmsScreens.kt
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/cms/CmsViewModels.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/cms/CmsViewModels.kt
@@ -0,0 +1,453 @@
+package de.harheimertc.ui.screens.cms
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import de.harheimertc.data.CmsUserDto
+import de.harheimertc.data.ConfigResponse
+import de.harheimertc.data.ContactRequestDto
+import de.harheimertc.data.NewsletterDto
+import de.harheimertc.data.NewsletterGroupDto
+import de.harheimertc.data.PasswordResetMatchingUserDto
+import de.harheimertc.data.PasswordResetAttemptDto
+import de.harheimertc.data.NewsDto
+import de.harheimertc.data.NewsSaveRequest
+import de.harheimertc.repositories.CmsRepository
+import de.harheimertc.repositories.MeisterschaftResult
+import kotlinx.coroutines.async
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+import de.harheimertc.ui.util.ErrorMapper
+
+data class CmsUiState(
+    val loading: Boolean = true,
+    val saving: Boolean = false,
+    val error: String? = null,
+    val message: String? = null,
+    val config: ConfigResponse? = null,
+    val users: List<CmsUserDto> = emptyList(),
+    val contactRequests: List<ContactRequestDto> = emptyList(),
+    val newsletters: List<NewsletterDto> = emptyList(),
+    val newsletterGroups: List<NewsletterGroupDto> = emptyList(),
+    val passwordResetAttempts: List<PasswordResetAttemptDto> = emptyList(),
+    val passwordResetMatchingUsers: List<PasswordResetMatchingUserDto> = emptyList(),
+    val passwordResetRetentionHours: Int = 72,
+    val passwordResetSearchTerm: String = "",
+    val passwordResetFailedOnly: Boolean = true,
+    val news: List<NewsDto> = emptyList(),
+    val meisterschaften: List<MeisterschaftResult> = emptyList(),
+)
+
+@HiltViewModel
+class CmsViewModel @Inject constructor(
+    private val repository: CmsRepository,
+) : ViewModel() {
+    private val _state = MutableStateFlow(CmsUiState())
+    val state: StateFlow<CmsUiState> = _state
+
+    init {
+        load()
+    }
+
+    fun load() {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(loading = true, error = null)
+
+            val configRes = async { repository.config() }
+            val usersRes = async { repository.users() }
+            val requestsRes = async { repository.contactRequests() }
+            val newslettersRes = async { repository.newsletters() }
+            val groupsRes = async { repository.newsletterGroups() }
+            val newsRes = async { repository.news() }
+            val diagnosticsRes = async {
+                repository.passwordResetDiagnostics(
+                    email = _state.value.passwordResetSearchTerm.takeIf { it.isNotBlank() },
+                    failedOnly = _state.value.passwordResetFailedOnly,
+                )
+            }
+            val meisterschaftenRes = async { repository.vereinsmeisterschaften() }
+
+            val configResult = configRes.await()
+            val usersResult = usersRes.await()
+            val requestsResult = requestsRes.await()
+            val newslettersResult = newslettersRes.await()
+            val groupsResult = groupsRes.await()
+            val newsResult = newsRes.await()
+            val diagnosticsResult = diagnosticsRes.await()
+            val meisterschaftenResult = meisterschaftenRes.await()
+
+            val errors = listOfNotNull(
+                ErrorMapper.mapError(configResult.exceptionOrNull()),
+                ErrorMapper.mapError(usersResult.exceptionOrNull()),
+                ErrorMapper.mapError(requestsResult.exceptionOrNull()),
+                ErrorMapper.mapError(newslettersResult.exceptionOrNull()),
+                ErrorMapper.mapError(groupsResult.exceptionOrNull()),
+                ErrorMapper.mapError(newsResult.exceptionOrNull()),
+                ErrorMapper.mapError(diagnosticsResult.exceptionOrNull()),
+                ErrorMapper.mapError(meisterschaftenResult.exceptionOrNull()),
+            )
+
+            // Sort users so that pending (inactive) users come first,
+            // followed by active users sorted by display name (case-insensitive).
+            val fetchedUsers = usersResult.getOrNull()?.users.orEmpty()
+            val pendingUsers = fetchedUsers.filter { it.active == false }
+            val activeUsers = fetchedUsers.filter { it.active == true }
+                .sortedBy { it.name.lowercase() }
+            val orderedUsers = pendingUsers + activeUsers
+
+            _state.value = CmsUiState(
+                loading = false,
+                error = if (errors.isNotEmpty()) errors.joinToString("; ") else null,
+                config = configResult.getOrNull(),
+                users = orderedUsers,
+                contactRequests = requestsResult.getOrNull().orEmpty(),
+                newsletters = newslettersResult.getOrNull()?.newsletters.orEmpty(),
+                newsletterGroups = groupsResult.getOrNull()?.groups.orEmpty(),
+                news = newsResult.getOrNull()?.news.orEmpty(),
+                passwordResetAttempts = diagnosticsResult.getOrNull()?.attempts.orEmpty(),
+                passwordResetMatchingUsers = diagnosticsResult.getOrNull()?.matchingUsers.orEmpty(),
+                passwordResetRetentionHours = diagnosticsResult.getOrNull()?.retentionHours ?: 72,
+                passwordResetSearchTerm = diagnosticsResult.getOrNull()?.searchedEmail.orEmpty(),
+                passwordResetFailedOnly = _state.value.passwordResetFailedOnly,
+                meisterschaften = meisterschaftenResult.getOrNull().orEmpty(),
+            )
+        }
+    }
+
+    fun loadPasswordResetDiagnostics(email: String, failedOnly: Boolean) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(
+                loading = true,
+                error = null,
+                passwordResetSearchTerm = email.trim(),
+                passwordResetFailedOnly = failedOnly,
+            )
+            repository.passwordResetDiagnostics(
+                email = email.trim().takeIf { it.isNotBlank() },
+                failedOnly = failedOnly,
+            )
+                .onSuccess { response ->
+                    _state.value = _state.value.copy(
+                        loading = false,
+                        passwordResetRetentionHours = response.retentionHours,
+                        passwordResetMatchingUsers = response.matchingUsers,
+                        passwordResetAttempts = response.attempts,
+                        passwordResetSearchTerm = response.searchedEmail.orEmpty(),
+                    )
+                }
+                .onFailure { err ->
+                    _state.value = _state.value.copy(
+                        loading = false,
+                        passwordResetMatchingUsers = emptyList(),
+                        passwordResetAttempts = emptyList(),
+                        error = ErrorMapper.mapError(err) ?: "Passwort-Reset-Diagnose konnte nicht geladen werden.",
+                    )
+                }
+        }
+    }
+
+    fun saveVereinsmeisterschaften(results: List<MeisterschaftResult>) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.saveVereinsmeisterschaften(results)
+                .onSuccess { response ->
+                    _state.value = _state.value.copy(
+                        saving = false,
+                        meisterschaften = results,
+                        message = response.message ?: "Vereinsmeisterschaften gespeichert.",
+                    )
+                }
+                .onFailure { err ->
+                    _state.value = _state.value.copy(
+                        saving = false,
+                        error = ErrorMapper.mapError(err) ?: "Vereinsmeisterschaften konnten nicht gespeichert werden.",
+                    )
+                }
+        }
+    }
+
+    fun saveConfig(config: ConfigResponse) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.saveConfig(config)
+                .onSuccess { saved ->
+                    _state.value = _state.value.copy(
+                        saving = false,
+                        config = saved,
+                        message = "Inhalt gespeichert.",
+                    )
+                }
+                .onFailure {
+                    _state.value = _state.value.copy(
+                        saving = false,
+                        error = ErrorMapper.mapError(it) ?: "Inhalt konnte nicht gespeichert werden.",
+                    )
+                }
+        }
+    }
+
+    fun saveNews(request: NewsSaveRequest) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.saveNews(request)
+                .onSuccess { msg ->
+                    // refresh news list directly to preserve message
+                    val newsRes = repository.news()
+                    _state.value = _state.value.copy(
+                        saving = false,
+                        news = newsRes.getOrNull()?.news.orEmpty(),
+                        message = msg.message ?: "Nachricht gespeichert.",
+                    )
+                }
+                .onFailure { err ->
+                    _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "News konnten nicht gespeichert werden.")
+                }
+        }
+    }
+
+    fun bulkSetPublic(ids: List<Int>, makePublic: Boolean) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            ids.forEach { id ->
+                val existing = _state.value.news.find { it.id == id }
+                if (existing != null) {
+                    val req = NewsSaveRequest(
+                        id = existing.id,
+                        title = existing.title,
+                        content = existing.content,
+                        isPublic = makePublic,
+                        isHidden = existing.isHidden,
+                        expiresAt = existing.expiresAt,
+                    )
+                    repository.saveNews(req)
+                }
+            }
+            val newsRes = repository.news()
+            _state.value = _state.value.copy(saving = false, news = newsRes.getOrNull()?.news.orEmpty(), message = "Bulk-Update abgeschlossen.")
+        }
+    }
+
+    fun bulkSetHidden(ids: List<Int>, makeHidden: Boolean) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            ids.forEach { id ->
+                val existing = _state.value.news.find { it.id == id }
+                if (existing != null) {
+                    val req = NewsSaveRequest(
+                        id = existing.id,
+                        title = existing.title,
+                        content = existing.content,
+                        isPublic = existing.isPublic,
+                        isHidden = makeHidden,
+                        expiresAt = existing.expiresAt,
+                    )
+                    repository.saveNews(req)
+                }
+            }
+            val newsRes = repository.news()
+            _state.value = _state.value.copy(saving = false, news = newsRes.getOrNull()?.news.orEmpty(), message = "Bulk-Update abgeschlossen.")
+        }
+    }
+
+    fun bulkDelete(ids: List<Int>) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            ids.forEach { id ->
+                repository.deleteNews(id)
+            }
+            val newsRes = repository.news()
+            _state.value = _state.value.copy(saving = false, news = newsRes.getOrNull()?.news.orEmpty(), message = "Bulk-Löschung abgeschlossen.")
+        }
+    }
+
+    fun deleteNews(id: Int) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.deleteNews(id)
+                .onSuccess { msg ->
+                    val newsRes = repository.news()
+                    _state.value = _state.value.copy(
+                        saving = false,
+                        news = newsRes.getOrNull()?.news.orEmpty(),
+                        message = msg.message ?: "Nachricht gelöscht.",
+                    )
+                }
+                .onFailure { err ->
+                    _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "News konnten nicht gelöscht werden.")
+                }
+        }
+    }
+
+    // --- Newsletter (B4)
+    fun saveNewsletter(request: de.harheimertc.data.NewsletterCreateRequest) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.createNewsletter(request)
+                .onSuccess { res ->
+                    val newslettersRes = repository.newsletters()
+                    _state.value = _state.value.copy(
+                        saving = false,
+                        newsletters = newslettersRes.getOrNull()?.newsletters.orEmpty(),
+                        message = res.message ?: "Newsletter gespeichert",
+                    )
+                }
+                .onFailure { err ->
+                    _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Newsletter konnte nicht gespeichert werden.")
+                }
+        }
+    }
+
+    fun updateNewsletter(id: String, patch: Map<String, Any?>) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.updateNewsletter(id, patch)
+                .onSuccess { res ->
+                    val newslettersRes = repository.newsletters()
+                    _state.value = _state.value.copy(saving = false, newsletters = newslettersRes.getOrNull()?.newsletters.orEmpty(), message = res.message ?: "Newsletter aktualisiert")
+                }
+                .onFailure { err -> _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Newsletter konnte nicht aktualisiert werden.") }
+        }
+    }
+
+    fun sendNewsletter(id: String) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.sendNewsletter(id)
+                .onSuccess { res ->
+                    val newslettersRes = repository.newsletters()
+                    _state.value = _state.value.copy(saving = false, newsletters = newslettersRes.getOrNull()?.newsletters.orEmpty(), message = res.message ?: "Newsletter versendet")
+                }
+                .onFailure { err -> _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Newsletter konnte nicht versendet werden.") }
+        }
+    }
+
+    fun deleteNewsletter(id: String) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.deleteNewsletter(id)
+                .onSuccess { res ->
+                    val newslettersRes = repository.newsletters()
+                    _state.value = _state.value.copy(saving = false, newsletters = newslettersRes.getOrNull()?.newsletters.orEmpty(), message = res.message ?: "Newsletter gelöscht")
+                }
+                .onFailure { err -> _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Newsletter konnte nicht gelöscht werden.") }
+        }
+    }
+
+    // --- Newsletter Groups (B4)
+    fun createNewsletterGroup(payload: Map<String, Any?>) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.createNewsletterGroup(payload)
+                .onSuccess { res ->
+                    val groupsRes = repository.newsletterGroups()
+                    _state.value = _state.value.copy(saving = false, newsletterGroups = groupsRes.getOrNull()?.groups.orEmpty(), message = res.message ?: "Gruppe erstellt")
+                }
+                .onFailure { err -> _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Gruppe konnte nicht erstellt werden.") }
+        }
+    }
+
+    fun updateNewsletterGroup(id: String, patch: Map<String, Any?>) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.updateNewsletterGroup(id, patch)
+                .onSuccess { res ->
+                    val groupsRes = repository.newsletterGroups()
+                    _state.value = _state.value.copy(saving = false, newsletterGroups = groupsRes.getOrNull()?.groups.orEmpty(), message = res.message ?: "Gruppe aktualisiert")
+                }
+                .onFailure { err -> _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Gruppe konnte nicht aktualisiert werden.") }
+        }
+    }
+
+    fun deleteNewsletterGroup(id: String) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.deleteNewsletterGroup(id)
+                .onSuccess { res ->
+                    val groupsRes = repository.newsletterGroups()
+                    _state.value = _state.value.copy(saving = false, newsletterGroups = groupsRes.getOrNull()?.groups.orEmpty(), message = res.message ?: "Gruppe gelöscht")
+                }
+                .onFailure { err -> _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Gruppe konnte nicht gelöscht werden.") }
+        }
+    }
+
+    // --- User management actions (B2)
+    fun updateUserRoles(id: String, roles: List<String>) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.updateUserRoles(id, roles)
+                .onSuccess { msg ->
+                    val usersRes = repository.users()
+                    _state.value = _state.value.copy(
+                        saving = false,
+                        users = usersRes.getOrNull()?.users.orEmpty(),
+                        message = msg.message ?: "Rollen aktualisiert.",
+                    )
+                }
+                .onFailure { err ->
+                    _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Rollen konnten nicht aktualisiert werden.")
+                }
+        }
+    }
+
+    fun setUserActive(id: String, active: Boolean) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.updateUserActive(id, active)
+                .onSuccess { msg ->
+                    val usersRes = repository.users()
+                    _state.value = _state.value.copy(
+                        saving = false,
+                        users = usersRes.getOrNull()?.users.orEmpty(),
+                        message = msg.message ?: if (active) "Benutzer aktiviert." else "Benutzer deaktiviert.",
+                    )
+                }
+                .onFailure { err ->
+                    _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Benutzerstatus konnte nicht geändert werden.")
+                }
+        }
+    }
+
+    fun resendInvite(id: String) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.resendInvite(id)
+                .onSuccess { msg ->
+                    _state.value = _state.value.copy(saving = false, message = msg.message ?: "Einladung erneut gesendet.")
+                }
+                .onFailure { err ->
+                    _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Einladung konnte nicht gesendet werden.")
+                }
+        }
+    }
+
+    // --- Contact requests (B3)
+    fun replyToContactRequest(id: String, message: String) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.replyToContactRequest(id, message)
+                .onSuccess {
+                    val reqs = repository.contactRequests()
+                    _state.value = _state.value.copy(saving = false, contactRequests = reqs.getOrNull().orEmpty(), message = it.message ?: "Antwort gesendet.")
+                }
+                .onFailure { err ->
+                    _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Antwort konnte nicht gesendet werden.")
+                }
+        }
+    }
+
+    fun toggleContactRequestStatus(id: String) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.toggleContactRequestStatus(id)
+                .onSuccess {
+                    val reqs = repository.contactRequests()
+                    _state.value = _state.value.copy(saving = false, contactRequests = reqs.getOrNull().orEmpty(), message = it.message ?: "Status aktualisiert.")
+                }
+                .onFailure { err ->
+                    _state.value = _state.value.copy(saving = false, error = ErrorMapper.mapError(err) ?: "Status konnte nicht geändert werden.")
+                }
+        }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/contact/ContactScreen.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/contact/ContactScreen.kt
@@ -4,7 +4,6 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Button
-import androidx.compose.material3.OutlinedTextField
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -13,6 +12,7 @@ import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
+import de.harheimertc.ui.components.ValidatedTextField

@Composable
 fun ContactScreen(viewModel: ContactViewModel = hiltViewModel()) {
@@ -21,12 +21,20 @@ fun ContactScreen(viewModel: ContactViewModel = hiltViewModel()) {
    val message by viewModel.message.collectAsState()
    val sending by viewModel.sending.collectAsState()
    val result by viewModel.result.collectAsState()
+    val fieldErrors by viewModel.fieldErrors.collectAsState()

    Surface(modifier = Modifier.padding(16.dp)) {
        Column {
-            OutlinedTextField(value = name, onValueChange = { viewModel.onName(it) }, label = { Text("Name") }, modifier = Modifier.fillMaxWidth())
-            OutlinedTextField(value = email, onValueChange = { viewModel.onEmail(it) }, label = { Text("E-Mail") }, modifier = Modifier.fillMaxWidth())
-            OutlinedTextField(value = message, onValueChange = { viewModel.onMessage(it) }, label = { Text("Nachricht") }, modifier = Modifier.fillMaxWidth())
+            ValidatedTextField(name, viewModel::onName, "Name", error = fieldErrors["name"])
+            ValidatedTextField(email, viewModel::onEmail, "E-Mail", error = fieldErrors["email"])
+            ValidatedTextField(
+                value = message,
+                onValueChange = viewModel::onMessage,
+                label = "Nachricht",
+                error = fieldErrors["message"],
+                singleLine = false,
+                minLines = 4,
+            )
            Button(onClick = { viewModel.send() }, enabled = !sending, modifier = Modifier.padding(top = 8.dp)) {
                Text(if (sending) "Sende…" else "Absenden")
            }
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/contact/ContactViewModel.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/contact/ContactViewModel.kt
@@ -5,6 +5,7 @@ import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import de.harheimertc.data.ContactRequest
 import de.harheimertc.repositories.ContactRepository
+import de.harheimertc.ui.components.isValidEmail
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
@@ -27,16 +28,38 @@ class ContactViewModel @Inject constructor(private val repo: ContactRepository)
    private val _result = MutableStateFlow<String?>(null)
    val result: StateFlow<String?> = _result

-    fun onName(v: String) { _name.value = v }
-    fun onEmail(v: String) { _email.value = v }
-    fun onMessage(v: String) { _message.value = v }
+    private val _fieldErrors = MutableStateFlow<Map<String, String>>(emptyMap())
+    val fieldErrors: StateFlow<Map<String, String>> = _fieldErrors
+
+    fun onName(v: String) {
+        _name.value = v
+        clearFieldError("name")
+    }
+
+    fun onEmail(v: String) {
+        _email.value = v
+        clearFieldError("email")
+    }
+
+    fun onMessage(v: String) {
+        _message.value = v
+        clearFieldError("message")
+    }

    fun send() {
        val n = _name.value.trim()
        val e = _email.value.trim()
        val m = _message.value.trim()
-        if (n.isEmpty() || e.isEmpty() || m.isEmpty()) {
-            _result.value = "Bitte alle Felder ausfüllen"
+        val errors = buildMap {
+            if (n.isEmpty()) put("name", "Bitte geben Sie Ihren Namen ein.")
+            if (e.isEmpty()) put("email", "Bitte geben Sie Ihre E-Mail-Adresse ein.")
+            else if (!isValidEmail(e)) put("email", "Bitte geben Sie eine gültige E-Mail-Adresse ein.")
+            if (m.isEmpty()) put("message", "Bitte geben Sie eine Nachricht ein.")
+            else if (m.length < 10) put("message", "Die Nachricht sollte mindestens 10 Zeichen haben.")
+        }
+        if (errors.isNotEmpty()) {
+            _fieldErrors.value = errors
+            _result.value = "Bitte prüfen Sie die markierten Felder."
            return
        }
        viewModelScope.launch {
@@ -45,6 +68,7 @@ class ContactViewModel @Inject constructor(private val repo: ContactRepository)
                val resp = repo.sendContact(ContactRequest(n, e, m))
                if (resp.isSuccessful) {
                    _result.value = "Nachricht gesendet"
+                    _fieldErrors.value = emptyMap()
                    _name.value = ""
                    _email.value = ""
                    _message.value = ""
@@ -58,4 +82,11 @@ class ContactViewModel @Inject constructor(private val repo: ContactRepository)
            }
        }
    }
+
+    private fun clearFieldError(field: String) {
+        if (_fieldErrors.value.containsKey(field)) {
+            _fieldErrors.value = _fieldErrors.value - field
+        }
+        _result.value = null
+    }
 }
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/gallery/GalleryScreen.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/gallery/GalleryScreen.kt
@@ -1,15 +1,41 @@
 package de.harheimertc.ui.screens.gallery

+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Button
+import androidx.compose.material3.Checkbox
 import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ElevatedCard
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.OutlinedTextField
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.heading
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
+import de.harheimertc.R
+import de.harheimertc.ui.components.FormMessages
 import de.harheimertc.ui.components.ImageGrid

@Composable
@@ -17,17 +43,104 @@ fun GalleryScreen(viewModel: GalleryViewModel = hiltViewModel()) {
    val images by viewModel.images.collectAsState()
    val loading by viewModel.loading.collectAsState()
    val error by viewModel.error.collectAsState()
+    val uploading by viewModel.uploading.collectAsState()
+    val message by viewModel.message.collectAsState()
+    val canUpload by viewModel.canUpload.collectAsState()
+    var selectedUri by remember { mutableStateOf<android.net.Uri?>(null) }
+    var title by remember { mutableStateOf("") }
+    var description by remember { mutableStateOf("") }
+    var isPublic by remember { mutableStateOf(false) }
+    var showUpload by remember { mutableStateOf(false) }
+    val context = LocalContext.current
+    val picker = rememberLauncherForActivityResult(ActivityResultContracts.GetContent()) { uri ->
+        selectedUri = uri
+    }

-    Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
-        if (loading) {
-            CircularProgressIndicator()
-        } else if (error != null) {
-            Text(text = "Fehler: $error")
-        } else {
-            ImageGrid(images = images)
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .verticalScroll(rememberScrollState())
+            .padding(16.dp),
+    ) {
+        Text(
+            text = stringResource(R.string.gallery_title),
+            modifier = Modifier.semantics { heading() },
+        )
+        Spacer(Modifier.height(12.dp))
+
+        if (canUpload) {
+            ElevatedCard(modifier = Modifier.fillMaxWidth()) {
+                Column(modifier = Modifier.padding(16.dp)) {
+                    Row(verticalAlignment = Alignment.CenterVertically) {
+                        Text(stringResource(R.string.gallery_upload_title), modifier = Modifier.weight(1f))
+                        OutlinedButton(onClick = { showUpload = !showUpload }) {
+                            Text(if (showUpload) stringResource(R.string.gallery_upload_hide) else stringResource(R.string.gallery_upload_show))
+                        }
+                    }
+                    if (showUpload) {
+                        Spacer(Modifier.height(12.dp))
+                        OutlinedButton(
+                            onClick = { picker.launch("image/*") },
+                            enabled = !uploading,
+                            modifier = Modifier.semantics {
+                                contentDescription = context.getString(R.string.gallery_upload_choose_file)
+                            },
+                        ) {
+                            Text(selectedUri?.lastPathSegment ?: stringResource(R.string.gallery_upload_choose_file))
+                        }
+                        Spacer(Modifier.height(8.dp))
+                        OutlinedTextField(
+                            value = title,
+                            onValueChange = { title = it },
+                            label = { Text(stringResource(R.string.gallery_upload_image_title)) },
+                            modifier = Modifier.fillMaxWidth(),
+                            enabled = !uploading,
+                            singleLine = true,
+                        )
+                        Spacer(Modifier.height(8.dp))
+                        OutlinedTextField(
+                            value = description,
+                            onValueChange = { description = it },
+                            label = { Text(stringResource(R.string.gallery_upload_description)) },
+                            modifier = Modifier.fillMaxWidth(),
+                            enabled = !uploading,
+                            minLines = 2,
+                        )
+                        Row(verticalAlignment = Alignment.CenterVertically) {
+                            Checkbox(checked = isPublic, onCheckedChange = { isPublic = it }, enabled = !uploading)
+                            Text(stringResource(R.string.gallery_upload_public))
+                        }
+                        Button(
+                            onClick = {
+                                selectedUri?.let { uri ->
+                                    viewModel.upload(uri, title, description, isPublic)
+                                }
+                            },
+                            enabled = selectedUri != null && title.isNotBlank() && !uploading,
+                        ) {
+                            Text(if (uploading) stringResource(R.string.gallery_uploading) else stringResource(R.string.gallery_upload_submit))
+                        }
+                    }
+                }
+            }
+            Spacer(Modifier.height(12.dp))
+        }
+
+        FormMessages(error = error, message = message)
+        Spacer(Modifier.height(8.dp))
+
+        Box(modifier = Modifier.fillMaxWidth(), contentAlignment = Alignment.Center) {
+            if (loading) {
+                CircularProgressIndicator()
+            } else if (images.isEmpty()) {
+                Text(text = stringResource(R.string.gallery_empty))
+            } else {
+                ImageGrid(images = images, modifier = Modifier.height(520.dp))
+            }
        }
    }

-    // load on first composition
-    androidx.compose.runtime.LaunchedEffect(Unit) { viewModel.load() }
+    androidx.compose.runtime.LaunchedEffect(Unit) {
+        viewModel.load()
+    }
 }
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/gallery/GalleryViewModel.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/gallery/GalleryViewModel.kt
@@ -3,16 +3,22 @@ package de.harheimertc.ui.screens.gallery
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
+import android.net.Uri
+import de.harheimertc.repositories.GalleryImage
 import de.harheimertc.repositories.GalleryRepository
+import de.harheimertc.repositories.LoginRepository
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
 import javax.inject.Inject

@HiltViewModel
-class GalleryViewModel @Inject constructor(private val repo: GalleryRepository) : ViewModel() {
-    private val _images = MutableStateFlow<List<String>>(emptyList())
-    val images: StateFlow<List<String>> = _images
+class GalleryViewModel @Inject constructor(
+    private val repo: GalleryRepository,
+    private val loginRepository: LoginRepository,
+) : ViewModel() {
+    private val _images = MutableStateFlow<List<GalleryImage>>(emptyList())
+    val images: StateFlow<List<GalleryImage>> = _images

    private val _loading = MutableStateFlow(false)
    val loading: StateFlow<Boolean> = _loading
@@ -20,14 +26,43 @@ class GalleryViewModel @Inject constructor(private val repo: GalleryRepository)
    private val _error = MutableStateFlow<String?>(null)
    val error: StateFlow<String?> = _error

+    private val _uploading = MutableStateFlow(false)
+    val uploading: StateFlow<Boolean> = _uploading
+
+    private val _message = MutableStateFlow<String?>(null)
+    val message: StateFlow<String?> = _message
+
+    private val _canUpload = MutableStateFlow(false)
+    val canUpload: StateFlow<Boolean> = _canUpload
+
    fun load() {
        viewModelScope.launch {
            _loading.value = true
            _error.value = null
            repo.fetchImages()
-                .onSuccess { _images.value = it }
+                .onSuccess { _images.value = it.images }
                .onFailure { _error.value = it.message ?: "Fehler" }
+            loginRepository.status()
+                .onSuccess { status ->
+                    val roles = (status.roles + status.user?.roles.orEmpty() + listOfNotNull(status.role)).toSet()
+                    _canUpload.value = roles.any { it in setOf("admin", "vorstand") }
+                }
            _loading.value = false
        }
    }
+
+    fun upload(uri: Uri, title: String, description: String, isPublic: Boolean) {
+        viewModelScope.launch {
+            _uploading.value = true
+            _error.value = null
+            _message.value = null
+            repo.uploadImage(uri, title, description, isPublic)
+                .onSuccess {
+                    _message.value = "Bild erfolgreich hochgeladen."
+                    load()
+                }
+                .onFailure { _error.value = it.message ?: "Fehler beim Hochladen des Bildes" }
+            _uploading.value = false
+        }
+    }
 }
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/home/HomeScreen.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/home/HomeScreen.kt
@@ -21,16 +21,20 @@ import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedButton
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -45,13 +49,17 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.hilt.navigation.compose.hiltViewModel
+import de.harheimertc.ui.navigation.NavigationViewModel
 import androidx.navigation.NavController
 import coil.compose.AsyncImage
 import de.harheimertc.BuildConfig
+import de.harheimertc.data.HomepageSectionDto
 import de.harheimertc.data.NewsDto
+import de.harheimertc.data.SeasonDto
 import de.harheimertc.data.SpielDto
 import de.harheimertc.data.TerminDto
 import de.harheimertc.ui.components.AppNavigationHeader
+import de.harheimertc.ui.components.RichText
 import de.harheimertc.ui.navigation.Destinations
 import de.harheimertc.ui.theme.Accent100
 import de.harheimertc.ui.theme.Accent200
@@ -71,8 +79,11 @@ fun HomeScreen(
    showNavigationHeader: Boolean = true,
    viewModel: HomeViewModel = hiltViewModel(),
 ) {
+    val navigationViewModel: NavigationViewModel = hiltViewModel()
+    val navigationState by navigationViewModel.state.collectAsState()
    val state by viewModel.state.collectAsState()
    var selectedNews by remember { mutableStateOf<NewsDto?>(null) }
+    var editHomeSections by rememberSaveable { mutableStateOf(false) }

    selectedNews?.let { item ->
        AlertDialog(
@@ -83,7 +94,7 @@ fun HomeScreen(
                    Text(item.title, style = MaterialTheme.typography.titleLarge)
                }
            },
-            text = { Text(item.content, style = MaterialTheme.typography.bodyMedium, color = Accent700) },
+            text = { RichText(item.content) },
            confirmButton = { TextButton(onClick = { selectedNews = null }) { Text("Schließen") } },
        )
    }
@@ -96,42 +107,352 @@ fun HomeScreen(
                AppNavigationHeader(
                    selectedRoute = Destinations.Home.route,
                    onNavigate = navController::navigate,
-                )
-            }
-        }
-        item { WebHero() }
-        item {
-            HomeTermineSection(
-                termine = state.termine,
-                loading = state.loading,
-                onAll = { navController.navigate(Destinations.Termine.route) },
-            )
-        }
-        item {
-            HomeGamesSection(
-                spiele = state.spiele,
-                loading = state.loading,
-                onAll = { navController.navigate(Destinations.Spielplan.route) },
-            )
-        }
-        if (state.news.isNotEmpty()) {
-            item {
-                HomeNewsSection(
-                    news = state.news,
-                    onOpen = { selectedNews = it },
+                    navigationState = navigationState,
                )
            }
        }
        item {
-            HomeActionSection(
-                onMembership = { navController.navigate(Destinations.Membership.route) },
-                onContact = { navController.navigate(Destinations.Contact.route) },
+            HomeCustomizationSection(
+                sections = state.homepageSections,
+                spielplanSeasons = state.spielplanSeasons,
+                spielplanTeamsBySeason = state.spielplanTeamsBySeason,
+                editEnabled = editHomeSections,
+                onToggleEdit = { editHomeSections = !editHomeSections },
+                onMoveUp = viewModel::moveSectionUp,
+                onMoveDown = viewModel::moveSectionDown,
+                onEnabledChange = viewModel::setSectionEnabled,
+                onAddSpielplanWidget = viewModel::addSpielplanTeamWidget,
+                onUpdateSpielplanWidget = viewModel::updateSpielplanTeamWidget,
+                onReset = viewModel::resetSections,
            )
        }
+        state.homepageSections.forEachIndexed { index, section ->
+            if (!section.enabled) return@forEachIndexed
+            val sectionKey = homeSectionKey(section)
+            when (section.id) {
+                "banner" -> item(key = "home_section_${sectionKey}_$index") { WebHero() }
+                "termine" -> item(key = "home_section_${sectionKey}_$index") {
+                    HomeTermineSection(
+                        termine = state.termine,
+                        loading = state.loading,
+                        onAll = { navController.navigate(Destinations.Termine.route) },
+                    )
+                }
+                "spiele" -> item(key = "home_section_${sectionKey}_$index") {
+                    HomeGamesSection(
+                        spiele = state.spiele,
+                        loading = state.loading,
+                        onAll = { navController.navigate(Destinations.Spielplan.route) },
+                    )
+                }
+                "aktuelles" -> {
+                    if (state.news.isNotEmpty()) {
+                        item(key = "home_section_${sectionKey}_$index") {
+                            HomeNewsSection(
+                                news = state.news,
+                                onOpen = { selectedNews = it },
+                            )
+                        }
+                    }
+                }
+                "kontakt" -> item(key = "home_section_${sectionKey}_$index") {
+                    HomeActionSection(
+                        onMembership = { navController.navigate(Destinations.Membership.route) },
+                        onContact = { navController.navigate(Destinations.Contact.route) },
+                    )
+                }
+                "training" -> item(key = "home_section_${sectionKey}_$index") {
+                    HomeExtraActionSection(
+                        title = "Training & Einstieg",
+                        body = "Alle Infos zu Trainingszeiten, Trainern und unserem Anfängerangebot.",
+                        action = "Zum Training",
+                        onClick = { navController.navigate(Destinations.Training.route) },
+                    )
+                }
+                "links" -> item(key = "home_section_${sectionKey}_$index") {
+                    HomeExtraActionSection(
+                        title = "Nützliche Links",
+                        body = "Direkter Zugang zu Verbänden, Ergebnisdiensten und hilfreichen Portalen.",
+                        action = "Links öffnen",
+                        onClick = { navController.navigate(Destinations.Links.route) },
+                    )
+                }
+                "vereinsmeisterschaften" -> item(key = "home_section_${sectionKey}_$index") {
+                    HomeExtraActionSection(
+                        title = "Vereinsmeisterschaften",
+                        body = "Ergebnisse und Historie unserer Vereinsmeisterschaften.",
+                        action = "Ergebnisse ansehen",
+                        onClick = { navController.navigate(Destinations.Vereinsmeisterschaften.route) },
+                    )
+                }
+                "spielplan_team" -> item(key = "home_section_${sectionKey}_$index") {
+                    HomeSpielplanTeamWidgetSection(
+                        section = section,
+                        spiele = state.spielplanWidgetPreviews[sectionKey].orEmpty(),
+                        error = state.spielplanWidgetErrors[sectionKey],
+                        loading = state.widgetsLoading,
+                        onOpenAll = { navController.navigate(Destinations.Spielplan.route) },
+                    )
+                }
+            }
+        }
        item { HomeFooter() }
    }
 }

+@Composable
+private fun HomeCustomizationSection(
+    sections: List<HomepageSectionDto>,
+    spielplanSeasons: List<SeasonDto>,
+    spielplanTeamsBySeason: Map<String, List<HomeSpielplanTeamOption>>,
+    editEnabled: Boolean,
+    onToggleEdit: () -> Unit,
+    onMoveUp: (String) -> Unit,
+    onMoveDown: (String) -> Unit,
+    onEnabledChange: (String, Boolean) -> Unit,
+    onAddSpielplanWidget: (season: String, teamName: String, teamAgeGroup: String) -> Unit,
+    onUpdateSpielplanWidget: (sectionKey: String, season: String, teamName: String, teamAgeGroup: String) -> Unit,
+    onReset: () -> Unit,
+) {
+    var addSeason by rememberSaveable { mutableStateOf("") }
+    var addTeamKey by rememberSaveable { mutableStateOf("") }
+    val addTeamOptions = spielplanTeamsBySeason[addSeason].orEmpty()
+
+    LaunchedEffect(spielplanSeasons) {
+        if (addSeason.isBlank() || spielplanSeasons.none { it.slug == addSeason }) {
+            addSeason = spielplanSeasons.firstOrNull()?.slug.orEmpty()
+        }
+    }
+    LaunchedEffect(addSeason, addTeamOptions) {
+        if (addTeamOptions.none { teamOptionKey(it) == addTeamKey }) {
+            addTeamKey = addTeamOptions.firstOrNull()?.let(::teamOptionKey).orEmpty()
+        }
+    }
+
+    Surface(
+        color = Color(0xFFFAFAFA),
+        modifier = Modifier.fillMaxWidth(),
+    ) {
+        Column(
+            modifier = Modifier.fillMaxWidth().padding(horizontal = 18.dp, vertical = 16.dp),
+            verticalArrangement = Arrangement.spacedBy(10.dp),
+        ) {
+            OutlinedButton(onClick = onToggleEdit) {
+                Text(if (editEnabled) "Startseiten-Editor schließen" else "Startseite anpassen")
+            }
+            if (editEnabled) {
+                Text(
+                    "Elemente ein-/ausblenden und Reihenfolge festlegen.",
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = Accent700,
+                )
+                sections.forEachIndexed { index, section ->
+                    val label = homeSectionLabels[section.id] ?: section.id
+                    val sectionKey = homeSectionKey(section)
+                    Surface(color = Color.White, shape = RoundedCornerShape(10.dp), modifier = Modifier.fillMaxWidth()) {
+                        Column(
+                            modifier = Modifier.fillMaxWidth().padding(12.dp),
+                            verticalArrangement = Arrangement.spacedBy(10.dp),
+                        ) {
+                            Row(
+                                modifier = Modifier.fillMaxWidth(),
+                                verticalAlignment = Alignment.CenterVertically,
+                                horizontalArrangement = Arrangement.spacedBy(10.dp),
+                            ) {
+                                Column(modifier = Modifier.weight(1f)) {
+                                    Text(label, style = MaterialTheme.typography.titleMedium, color = Accent900)
+                                    Text(section.id, style = MaterialTheme.typography.labelSmall, color = Accent500)
+                                }
+                                Row(verticalAlignment = Alignment.CenterVertically) {
+                                    Text("Anzeigen", color = Accent700, style = MaterialTheme.typography.labelSmall)
+                                    androidx.compose.material3.Checkbox(
+                                        checked = section.enabled,
+                                        onCheckedChange = { enabled -> onEnabledChange(sectionKey, enabled) },
+                                    )
+                                }
+                                Column(verticalArrangement = Arrangement.spacedBy(6.dp)) {
+                                    OutlinedButton(onClick = { onMoveUp(sectionKey) }, enabled = index > 0) { Text("Hoch") }
+                                    OutlinedButton(onClick = { onMoveDown(sectionKey) }, enabled = index < sections.lastIndex) { Text("Runter") }
+                                }
+                            }
+
+                            if (section.id == "spielplan_team") {
+                                SpielplanWidgetConfigEditor(
+                                    section = section,
+                                    seasons = spielplanSeasons,
+                                    teamsBySeason = spielplanTeamsBySeason,
+                                    onUpdate = { season, teamName, teamAgeGroup ->
+                                        onUpdateSpielplanWidget(sectionKey, season, teamName, teamAgeGroup)
+                                    },
+                                )
+                            }
+                        }
+                    }
+                }
+
+                Surface(color = Color.White, shape = RoundedCornerShape(10.dp), modifier = Modifier.fillMaxWidth()) {
+                    Column(
+                        modifier = Modifier.fillMaxWidth().padding(12.dp),
+                        verticalArrangement = Arrangement.spacedBy(8.dp),
+                    ) {
+                        Text("Widget hinzufügen", style = MaterialTheme.typography.titleMedium, color = Accent900)
+                        Text("Spielplan Mannschaft", style = MaterialTheme.typography.bodyMedium, color = Accent700)
+
+                        SimpleSelector(
+                            label = "Saison",
+                            selected = spielplanSeasons.firstOrNull { it.slug == addSeason }?.let { formatSeasonLabel(it.slug) }
+                                ?: "Bitte wählen",
+                            options = spielplanSeasons.map { season ->
+                                SelectOption(
+                                    key = season.slug,
+                                    label = formatSeasonLabel(season.slug),
+                                )
+                            },
+                            onSelect = { option ->
+                                addSeason = option.key
+                            },
+                        )
+
+                        SimpleSelector(
+                            label = "Mannschaft",
+                            selected = addTeamOptions.firstOrNull { teamOptionKey(it) == addTeamKey }?.label ?: "Bitte wählen",
+                            options = addTeamOptions.map { team ->
+                                SelectOption(
+                                    key = teamOptionKey(team),
+                                    label = team.label,
+                                )
+                            },
+                            onSelect = { option ->
+                                addTeamKey = option.key
+                            },
+                        )
+
+                        Button(
+                            onClick = {
+                                val selectedTeam = addTeamOptions.firstOrNull { teamOptionKey(it) == addTeamKey } ?: return@Button
+                                onAddSpielplanWidget(addSeason, selectedTeam.teamName, selectedTeam.teamAgeGroup)
+                            },
+                            enabled = addSeason.isNotBlank() && addTeamKey.isNotBlank(),
+                        ) {
+                            Text("Widget hinzufügen")
+                        }
+                    }
+                }
+
+                TextButton(onClick = onReset) {
+                    Text("Auf Server-Standard zurücksetzen")
+                }
+            }
+        }
+    }
+}
+
+private data class SelectOption(
+    val key: String,
+    val label: String,
+)
+
+@Composable
+private fun SimpleSelector(
+    label: String,
+    selected: String,
+    options: List<SelectOption>,
+    onSelect: (SelectOption) -> Unit,
+) {
+    var expanded by remember { mutableStateOf(false) }
+    Column(verticalArrangement = Arrangement.spacedBy(4.dp)) {
+        Text(label, style = MaterialTheme.typography.labelSmall, color = Accent500)
+        OutlinedButton(onClick = { expanded = true }, enabled = options.isNotEmpty()) {
+            Text(selected)
+        }
+        DropdownMenu(expanded = expanded, onDismissRequest = { expanded = false }) {
+            options.forEach { option ->
+                DropdownMenuItem(
+                    text = { Text(option.label) },
+                    onClick = {
+                        onSelect(option)
+                        expanded = false
+                    },
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun SpielplanWidgetConfigEditor(
+    section: HomepageSectionDto,
+    seasons: List<SeasonDto>,
+    teamsBySeason: Map<String, List<HomeSpielplanTeamOption>>,
+    onUpdate: (season: String, teamName: String, teamAgeGroup: String) -> Unit,
+) {
+    val selectedSeason = section.config?.season.orEmpty()
+    val selectedTeamName = section.config?.teamName.orEmpty()
+    val selectedTeamAgeGroup = section.config?.teamAgeGroup.orEmpty()
+    val teamOptions = teamsBySeason[selectedSeason].orEmpty()
+
+    Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+        SimpleSelector(
+            label = "Saison",
+            selected = seasons.firstOrNull { it.slug == selectedSeason }?.let { formatSeasonLabel(it.slug) } ?: "Bitte wählen",
+            options = seasons.map { season -> SelectOption(season.slug, formatSeasonLabel(season.slug)) },
+            onSelect = { option ->
+                val fallbackTeam = teamsBySeason[option.key].orEmpty().firstOrNull()
+                onUpdate(
+                    option.key,
+                    fallbackTeam?.teamName ?: "",
+                    fallbackTeam?.teamAgeGroup ?: "",
+                )
+            },
+        )
+
+        SimpleSelector(
+            label = "Mannschaft",
+            selected = teamOptions.firstOrNull {
+                it.teamName == selectedTeamName && it.teamAgeGroup == selectedTeamAgeGroup
+            }?.label ?: "Bitte wählen",
+            options = teamOptions.map { team -> SelectOption(teamOptionKey(team), team.label) },
+            onSelect = { option ->
+                val selectedTeam = teamOptions.firstOrNull { teamOptionKey(it) == option.key }
+                if (selectedTeam != null) {
+                    onUpdate(selectedSeason, selectedTeam.teamName, selectedTeam.teamAgeGroup)
+                }
+            },
+        )
+    }
+}
+
+@Composable
+private fun HomeSpielplanTeamWidgetSection(
+    section: HomepageSectionDto,
+    spiele: List<SpielDto>,
+    error: String?,
+    loading: Boolean,
+    onOpenAll: () -> Unit,
+) {
+    val teamName = section.config?.teamName.orEmpty()
+    val teamAgeGroup = section.config?.teamAgeGroup.orEmpty()
+    val title = if (teamAgeGroup.contains("jugend", ignoreCase = true) && teamName.isNotBlank()) {
+        "Spielplan: (J) $teamName"
+    } else {
+        "Spielplan: ${teamName.ifBlank { "Mannschaft" }}"
+    }
+    val season = section.config?.season.orEmpty()
+
+    HomeSection(title = title, subtitle = "Saison ${formatSeasonLabel(season)}", background = Color.White) {
+        if (loading) {
+            LoadingRow("Spiele werden geladen...")
+        } else if (!error.isNullOrBlank()) {
+            EmptyRow(error)
+        } else if (spiele.isEmpty()) {
+            EmptyRow("Keine kommenden Spiele für diese Mannschaft gefunden.")
+        } else {
+            spiele.forEach { spiel -> MatchCard(spiel) }
+        }
+        PrimaryAction("Voller Spielplan", onOpenAll)
+    }
+}
+
@Composable
 private fun WebHero() {
    val years = Calendar.getInstance().get(Calendar.YEAR) - 1954
@@ -221,13 +542,7 @@ private fun HomeNewsSection(news: List<NewsDto>, onOpen: (NewsDto) -> Unit) {
                Column(Modifier.padding(18.dp), verticalArrangement = Arrangement.spacedBy(9.dp)) {
                    Text(formatNewsDate(item.created), style = MaterialTheme.typography.labelSmall, color = Accent500)
                    Text(item.title, style = MaterialTheme.typography.titleLarge, color = Accent900)
-                    Text(
-                        item.content,
-                        style = MaterialTheme.typography.bodyMedium,
-                        color = Accent700,
-                        maxLines = 3,
-                        overflow = TextOverflow.Ellipsis,
-                    )
+                    RichText(item.content)
                }
            }
        }
@@ -252,6 +567,18 @@ private fun HomeActionSection(onMembership: () -> Unit, onContact: () -> Unit) {
    }
 }

+@Composable
+private fun HomeExtraActionSection(title: String, body: String, action: String, onClick: () -> Unit) {
+    HomeSection(title = null, background = Color.White) {
+        ActionCard(
+            title = title,
+            body = body,
+            action = action,
+            onClick = onClick,
+        )
+    }
+}
+
@Composable
 private fun HomeSection(
    title: String?,
@@ -428,3 +755,27 @@ private fun formatNewsDate(value: String?): String {
        SimpleDateFormat("dd. MMMM yyyy", Locale.GERMANY).format(source.parse(value.take(10))!!)
    }.getOrDefault(value.take(10))
 }
+
+private fun homeSectionKey(section: HomepageSectionDto): String =
+    section.key?.takeIf { it.isNotBlank() } ?: section.id
+
+private fun teamOptionKey(option: HomeSpielplanTeamOption): String =
+    "${option.teamName}|${option.teamAgeGroup}"
+
+private fun formatSeasonLabel(value: String): String {
+    val match = Regex("^(\\d{2})--(\\d{2})$").find(value)
+    if (match == null) return value.ifBlank { "-" }
+    return "20${match.groupValues[1]}/${match.groupValues[2]}"
+}
+
+private val homeSectionLabels = mapOf(
+    "banner" to "Banner (Willkommen)",
+    "aktuelles" to "Aktuelles",
+    "termine" to "Kommende Termine",
+    "spiele" to "Nächste Spiele",
+    "kontakt" to "Kontakt-Boxen",
+    "training" to "Training-Teaser",
+    "links" to "Links-Teaser",
+    "vereinsmeisterschaften" to "Vereinsmeisterschaften-Teaser",
+    "spielplan_team" to "Widget: Spielplan Mannschaft",
+)
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/home/HomeViewModel.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/home/HomeViewModel.kt
@@ -3,30 +3,58 @@ package de.harheimertc.ui.screens.home
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
+import de.harheimertc.data.HomepageSectionConfigDto
+import de.harheimertc.data.HomepageSectionDto
 import de.harheimertc.data.NewsDto
+import de.harheimertc.data.SeasonDto
 import de.harheimertc.data.SpielDto
 import de.harheimertc.data.TerminDto
+import de.harheimertc.repositories.HomeLayoutPreferences
 import de.harheimertc.repositories.HomeRepository
 import java.time.LocalDate
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
+import java.util.UUID
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
 import javax.inject.Inject

+data class HomeSpielplanTeamOption(
+    val teamName: String,
+    val teamAgeGroup: String,
+) {
+    val label: String
+        get() = if (teamAgeGroup.contains("jugend", ignoreCase = true)) {
+            "(J) $teamName"
+        } else {
+            teamName
+        }
+}
+
 data class HomeUiState(
    val loading: Boolean = true,
    val termine: List<TerminDto> = emptyList(),
    val spiele: List<SpielDto> = emptyList(),
    val news: List<NewsDto> = emptyList(),
+    val homepageSections: List<HomepageSectionDto> = defaultHomepageSections,
+    val spielplanSeasons: List<SeasonDto> = emptyList(),
+    val spielplanTeamsBySeason: Map<String, List<HomeSpielplanTeamOption>> = emptyMap(),
+    val spielplanWidgetPreviews: Map<String, List<SpielDto>> = emptyMap(),
+    val spielplanWidgetErrors: Map<String, String> = emptyMap(),
+    val widgetsLoading: Boolean = false,
    val error: Boolean = false,
 )

@HiltViewModel
-class HomeViewModel @Inject constructor(private val repository: HomeRepository) : ViewModel() {
+class HomeViewModel @Inject constructor(
+    private val repository: HomeRepository,
+    private val layoutPreferences: HomeLayoutPreferences,
+) : ViewModel() {
    private val _state = MutableStateFlow(HomeUiState())
    val state: StateFlow<HomeUiState> = _state
+    private var serverSections: List<HomepageSectionDto> = defaultHomepageSections
+    private val seasonGamesCache = mutableMapOf<String, List<SpielDto>>()

    init {
        load()
@@ -37,6 +65,19 @@ class HomeViewModel @Inject constructor(private val repository: HomeRepository)
            _state.value = _state.value.copy(loading = true, error = false)
            repository.fetchHomeData()
                .onSuccess { data ->
+                    serverSections = normalizedHomepageSections(data.homepageSections)
+                    val sections = mergeWithUserSections(
+                        server = serverSections,
+                        user = layoutPreferences.getSections(),
+                    )
+                    seasonGamesCache.clear()
+                    data.selectedSpielplanSeason?.takeIf { it.isNotBlank() }?.let { season ->
+                        seasonGamesCache[season] = data.spiele
+                    }
+                    val widgetData = loadWidgetData(
+                        sections = sections,
+                        seasons = data.spielplanSeasons,
+                    )
                    _state.value = HomeUiState(
                        loading = false,
                        termine = data.termine
@@ -53,6 +94,11 @@ class HomeViewModel @Inject constructor(private val repository: HomeRepository)
                            .sortedBy { it.asDate() }
                            .take(3),
                        news = data.news.take(3),
+                        homepageSections = sections,
+                        spielplanSeasons = widgetData.seasons,
+                        spielplanTeamsBySeason = widgetData.teamsBySeason,
+                        spielplanWidgetPreviews = widgetData.previewGamesBySectionKey,
+                        spielplanWidgetErrors = widgetData.errorsBySectionKey,
                    )
                }
                .onFailure {
@@ -60,8 +106,189 @@ class HomeViewModel @Inject constructor(private val repository: HomeRepository)
                }
        }
    }
+
+    fun moveSectionUp(sectionKey: String) {
+        updateSections { sections ->
+            val index = sections.indexOfFirst { sectionKey(it) == sectionKey }
+            if (index <= 0) return@updateSections sections
+            sections.toMutableList().also { list ->
+                val current = list.removeAt(index)
+                list.add(index - 1, current)
+            }
+        }
+    }
+
+    fun moveSectionDown(sectionKey: String) {
+        updateSections { sections ->
+            val index = sections.indexOfFirst { sectionKey(it) == sectionKey }
+            if (index < 0 || index >= sections.lastIndex) return@updateSections sections
+            sections.toMutableList().also { list ->
+                val current = list.removeAt(index)
+                list.add(index + 1, current)
+            }
+        }
+    }
+
+    fun setSectionEnabled(sectionKey: String, enabled: Boolean) {
+        updateSections { sections ->
+            sections.map { section ->
+                if (sectionKey(section) == sectionKey) section.copy(enabled = enabled) else section
+            }
+        }
+    }
+
+    fun addSpielplanTeamWidget(season: String, teamName: String, teamAgeGroup: String) {
+        val normalizedSeason = season.trim()
+        val normalizedTeamName = teamName.trim()
+        if (normalizedSeason.isBlank() || normalizedTeamName.isBlank()) return
+        val newSection = HomepageSectionDto(
+            id = WIDGET_SECTION_ID,
+            key = "${WIDGET_SECTION_ID}_${UUID.randomUUID()}",
+            enabled = true,
+            config = HomepageSectionConfigDto(
+                season = normalizedSeason,
+                teamName = normalizedTeamName,
+                teamAgeGroup = teamAgeGroup.trim(),
+            ),
+        )
+        updateSections { sections -> sections + newSection }
+        refreshWidgetData()
+    }
+
+    fun updateSpielplanTeamWidget(
+        sectionKey: String,
+        season: String,
+        teamName: String,
+        teamAgeGroup: String,
+    ) {
+        updateSections { sections ->
+            sections.map { section ->
+                if (sectionKey(section) != sectionKey) return@map section
+                section.copy(
+                    config = HomepageSectionConfigDto(
+                        season = season.trim(),
+                        teamName = teamName.trim(),
+                        teamAgeGroup = teamAgeGroup.trim(),
+                    ),
+                )
+            }
+        }
+        refreshWidgetData()
+    }
+
+    fun resetSections() {
+        val reset = serverSections
+        layoutPreferences.clearSections()
+        _state.value = _state.value.copy(homepageSections = reset)
+        refreshWidgetData()
+    }
+
+    private fun updateSections(transform: (List<HomepageSectionDto>) -> List<HomepageSectionDto>) {
+        val updated = transform(_state.value.homepageSections)
+        if (updated == _state.value.homepageSections) return
+        layoutPreferences.setSections(updated)
+        _state.value = _state.value.copy(homepageSections = updated)
+    }
+
+    private fun refreshWidgetData() {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(widgetsLoading = true)
+            val widgetData = loadWidgetData(
+                sections = _state.value.homepageSections,
+                seasons = _state.value.spielplanSeasons,
+            )
+            _state.value = _state.value.copy(
+                spielplanSeasons = widgetData.seasons,
+                spielplanTeamsBySeason = widgetData.teamsBySeason,
+                spielplanWidgetPreviews = widgetData.previewGamesBySectionKey,
+                spielplanWidgetErrors = widgetData.errorsBySectionKey,
+                widgetsLoading = false,
+            )
+        }
+    }
+
+    private suspend fun loadWidgetData(
+        sections: List<HomepageSectionDto>,
+        seasons: List<SeasonDto>,
+    ): HomeWidgetData {
+        val allSeasons = seasons
+            .filter { it.slug.isNotBlank() }
+            .distinctBy { it.slug }
+            .toMutableList()
+        seasonGamesCache.keys.forEach { slug ->
+            if (allSeasons.none { it.slug == slug }) {
+                allSeasons += SeasonDto(slug = slug, label = slug)
+            }
+        }
+        val neededWidgetSeasons = sections
+            .asSequence()
+            .filter { it.id == WIDGET_SECTION_ID }
+            .mapNotNull { it.config?.season?.takeIf(String::isNotBlank) }
+            .toSet()
+
+        allSeasons.forEach { season ->
+            ensureSeasonLoaded(season.slug)
+        }
+        neededWidgetSeasons.forEach { season ->
+            if (allSeasons.none { it.slug == season }) {
+                allSeasons += SeasonDto(slug = season, label = season)
+            }
+            ensureSeasonLoaded(season)
+        }
+
+        val teamsBySeason = buildMap {
+            allSeasons.forEach { season ->
+                val games = seasonGamesCache[season.slug] ?: return@forEach
+                put(season.slug, extractHarheimerTeams(games))
+            }
+        }
+
+        val previews = mutableMapOf<String, List<SpielDto>>()
+        val errors = mutableMapOf<String, String>()
+
+        sections.forEach { section ->
+            if (section.id != WIDGET_SECTION_ID) return@forEach
+            val key = sectionKey(section)
+            val config = section.config
+            val season = config?.season.orEmpty()
+            val teamName = config?.teamName.orEmpty()
+            if (season.isBlank() || teamName.isBlank()) {
+                errors[key] = "Bitte Saison und Mannschaft wählen."
+                previews[key] = emptyList()
+                return@forEach
+            }
+            val games = seasonGamesCache[season]
+            if (games == null) {
+                errors[key] = "Spielplan konnte nicht geladen werden."
+                previews[key] = emptyList()
+                return@forEach
+            }
+            previews[key] = filterUpcomingTeamGames(games, teamName, config?.teamAgeGroup.orEmpty())
+        }
+
+        return HomeWidgetData(
+            seasons = allSeasons,
+            teamsBySeason = teamsBySeason,
+            previewGamesBySectionKey = previews,
+            errorsBySectionKey = errors,
+        )
+    }
+
+    private suspend fun ensureSeasonLoaded(season: String) {
+        if (seasonGamesCache.containsKey(season)) return
+        repository.fetchSpielplanForSeason(season).onSuccess { response ->
+            seasonGamesCache[season] = response.data
+        }
+    }
 }

+private data class HomeWidgetData(
+    val seasons: List<SeasonDto>,
+    val teamsBySeason: Map<String, List<HomeSpielplanTeamOption>>,
+    val previewGamesBySectionKey: Map<String, List<SpielDto>>,
+    val errorsBySectionKey: Map<String, String>,
+)
+
 private fun TerminDto.asDateTime(): LocalDateTime? = runCatching {
    val time = uhrzeit?.takeIf { it.matches(Regex("\\d{2}:\\d{2}")) } ?: "00:00"
    LocalDateTime.parse("$datum $time", DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm"))
@@ -70,3 +297,110 @@ private fun TerminDto.asDateTime(): LocalDateTime? = runCatching {
 fun SpielDto.asDate(): LocalDate? = runCatching {
    LocalDate.parse(termin.substringBefore(' '), DateTimeFormatter.ofPattern("dd.MM.yyyy"))
 }.getOrNull()
+
+private val defaultHomepageSections = listOf(
+    HomepageSectionDto(id = "banner", key = "banner", enabled = true),
+    HomepageSectionDto(id = "aktuelles", key = "aktuelles", enabled = true),
+    HomepageSectionDto(id = "termine", key = "termine", enabled = true),
+    HomepageSectionDto(id = "spiele", key = "spiele", enabled = true),
+    HomepageSectionDto(id = "kontakt", key = "kontakt", enabled = true),
+    HomepageSectionDto(id = "training", key = "training", enabled = false),
+    HomepageSectionDto(id = "links", key = "links", enabled = false),
+    HomepageSectionDto(id = "vereinsmeisterschaften", key = "vereinsmeisterschaften", enabled = false),
+)
+
+private fun normalizedHomepageSections(configuredSections: List<HomepageSectionDto>): List<HomepageSectionDto> {
+    val configured = configuredSections
+        .filter { it.id.isNotBlank() }
+        .mapIndexed { index, section ->
+            val fallback = if (section.id == WIDGET_SECTION_ID) "${section.id}_${index + 1}" else section.id
+            section.copy(key = section.key?.takeIf { it.isNotBlank() } ?: fallback)
+        }
+    val knownIds = configured.map { it.id }.toMutableSet()
+    return buildList {
+        addAll(configured)
+        defaultHomepageSections.forEach { section ->
+            if (knownIds.add(section.id)) add(section)
+        }
+    }
+}
+
+private fun mergeWithUserSections(
+    server: List<HomepageSectionDto>,
+    user: List<HomepageSectionDto>?,
+): List<HomepageSectionDto> {
+    if (user.isNullOrEmpty()) return server
+    val serverById = server.associateBy { it.id }
+    val serverByKey = server.associateBy { sectionKey(it) }
+    val ordered = buildList<HomepageSectionDto> {
+        user.forEach { userSection ->
+            val matchedServerSection = serverByKey[sectionKey(userSection)]
+                ?: if (userSection.id == WIDGET_SECTION_ID) null else serverById[userSection.id]
+            if (matchedServerSection != null) {
+                if (none { sectionKey(it) == sectionKey(matchedServerSection) }) {
+                    add(
+                        matchedServerSection.copy(
+                            enabled = userSection.enabled,
+                            key = sectionKey(userSection),
+                            config = userSection.config,
+                        ),
+                    )
+                }
+                return@forEach
+            }
+            if (userSection.id == WIDGET_SECTION_ID && none { sectionKey(it) == sectionKey(userSection) }) {
+                add(
+                    userSection.copy(
+                        key = userSection.key?.takeIf { it.isNotBlank() }
+                            ?: "${WIDGET_SECTION_ID}_${UUID.randomUUID()}",
+                    ),
+                )
+            }
+        }
+        server.forEach { serverSection ->
+            if (none { sectionKey(it) == sectionKey(serverSection) }) add(serverSection)
+        }
+    }
+    return ordered.ifEmpty { server }
+}
+
+private fun sectionKey(section: HomepageSectionDto): String =
+    section.key?.takeIf { it.isNotBlank() } ?: section.id
+
+private fun extractHarheimerTeams(games: List<SpielDto>): List<HomeSpielplanTeamOption> =
+    games
+        .flatMap { game ->
+            listOf(
+                HomeSpielplanTeamOption(game.heimMannschaft.trim(), game.heimAltersklasse.trim()),
+                HomeSpielplanTeamOption(game.gastMannschaft.trim(), game.gastAltersklasse.trim()),
+            )
+        }
+        .filter { option -> option.teamName.contains("Harheimer TC", ignoreCase = true) }
+        .filter { option -> option.teamName.isNotBlank() }
+        .distinctBy { "${it.teamName}|${it.teamAgeGroup}" }
+        .sortedBy { it.label }
+
+private fun filterUpcomingTeamGames(
+    games: List<SpielDto>,
+    teamName: String,
+    teamAgeGroup: String,
+): List<SpielDto> {
+    val normalizedTeam = teamName.trim()
+    val normalizedAgeGroup = teamAgeGroup.trim()
+    val today = LocalDate.now()
+    return games
+        .asSequence()
+        .filter { game ->
+            val homeMatch = game.heimMannschaft.trim() == normalizedTeam &&
+                (normalizedAgeGroup.isBlank() || game.heimAltersklasse.trim() == normalizedAgeGroup)
+            val awayMatch = game.gastMannschaft.trim() == normalizedTeam &&
+                (normalizedAgeGroup.isBlank() || game.gastAltersklasse.trim() == normalizedAgeGroup)
+            homeMatch || awayMatch
+        }
+        .filter { game -> game.asDate()?.let { !it.isBefore(today) } == true }
+        .sortedBy { it.asDate() }
+        .take(5)
+        .toList()
+    }
+
+private const val WIDGET_SECTION_ID = "spielplan_team"
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/login/LoginScreen.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/login/LoginScreen.kt
@@ -19,11 +19,13 @@ import androidx.compose.material3.OutlinedTextField
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.PasswordVisualTransformation
@@ -32,6 +34,7 @@ import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.navigation.NavController
 import de.harheimertc.ui.theme.Accent500
+import de.harheimertc.ui.components.ValidatedTextField
 import de.harheimertc.ui.theme.Accent900
 import de.harheimertc.ui.theme.Primary100
 import de.harheimertc.ui.theme.Primary600
@@ -45,6 +48,18 @@ fun LoginScreen(
    viewModel: LoginViewModel = hiltViewModel(),
 ) {
    val state by viewModel.state.collectAsState()
+    val context = LocalContext.current
+
+    LaunchedEffect(state.loggedIn, state.restoring) {
+        if (state.loggedIn && !state.restoring) {
+            navController.navigate(Destinations.MemberArea.route) {
+                launchSingleTop = true
+                popUpTo(Destinations.Login.route) {
+                    inclusive = true
+                }
+            }
+        }
+    }

    LazyColumn(
        modifier = Modifier.fillMaxSize().background(Color(0xFFFAFAFA)),
@@ -80,26 +95,33 @@ fun LoginScreen(
                        CircularProgressIndicator(color = Primary600, modifier = Modifier.size(28.dp))
                        Text("Sitzung wird geprüft...", color = Accent500)
                    } else if (!state.loggedIn) {
-                        OutlinedTextField(
+                        ValidatedTextField(
                            value = state.email,
                            onValueChange = viewModel::setEmail,
-                            label = { Text("E-Mail-Adresse") },
+                            label = "E-Mail-Adresse",
+                            error = state.fieldErrors["email"],
                            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Email),
                            singleLine = true,
-                            modifier = Modifier.fillMaxWidth(),
                        )
-                        OutlinedTextField(
+                        ValidatedTextField(
                            value = state.password,
                            onValueChange = viewModel::setPassword,
-                            label = { Text("Passwort") },
+                            label = "Passwort",
+                            error = state.fieldErrors["password"],
                            visualTransformation = PasswordVisualTransformation(),
                            singleLine = true,
-                            modifier = Modifier.fillMaxWidth(),
                        )
                        Button(onClick = viewModel::login, enabled = !state.loading, modifier = Modifier.fillMaxWidth()) {
                            if (state.loading) CircularProgressIndicator(color = Color.White, strokeWidth = 2.dp, modifier = Modifier.size(18.dp).padding(end = 4.dp))
                            Text(if (state.loading) "Anmeldung läuft..." else "Anmelden")
                        }
+                        OutlinedButton(
+                            onClick = { viewModel.passkeyLogin(context) },
+                            enabled = !state.loading,
+                            modifier = Modifier.fillMaxWidth(),
+                        ) {
+                            Text("Mit Passkey anmelden")
+                        }
                        TextButton(onClick = { navController.navigate(Destinations.PasswordReset.route) }, modifier = Modifier.fillMaxWidth()) {
                            Text("Passwort vergessen?")
                        }
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/login/LoginViewModel.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/login/LoginViewModel.kt
@@ -1,9 +1,12 @@
 package de.harheimertc.ui.screens.login

+import android.content.Context
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import de.harheimertc.repositories.LoginRepository
+import de.harheimertc.repositories.PasskeyRepository
+import de.harheimertc.ui.components.isValidEmail
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
@@ -12,6 +15,7 @@ import javax.inject.Inject
 data class LoginUiState(
    val email: String = "",
    val password: String = "",
+    val fieldErrors: Map<String, String> = emptyMap(),
    val loading: Boolean = false,
    val restoring: Boolean = true,
    val loggedIn: Boolean = false,
@@ -22,7 +26,10 @@ data class LoginUiState(
 )

@HiltViewModel
-class LoginViewModel @Inject constructor(private val repository: LoginRepository) : ViewModel() {
+class LoginViewModel @Inject constructor(
+    private val repository: LoginRepository,
+    private val passkeyRepository: PasskeyRepository,
+) : ViewModel() {
    private val _state = MutableStateFlow(LoginUiState())
    val state: StateFlow<LoginUiState> = _state

@@ -42,17 +49,21 @@ class LoginViewModel @Inject constructor(private val repository: LoginRepository
    }

    fun setEmail(value: String) {
-        _state.value = _state.value.copy(email = value, error = null)
+        _state.value = _state.value.copy(email = value, fieldErrors = _state.value.fieldErrors - "email", error = null)
    }

    fun setPassword(value: String) {
-        _state.value = _state.value.copy(password = value, error = null)
+        _state.value = _state.value.copy(password = value, fieldErrors = _state.value.fieldErrors - "password", error = null)
    }

    fun login() {
        val current = _state.value
-        if (current.email.isBlank() || current.password.isBlank()) {
-            _state.value = current.copy(error = "Bitte E-Mail-Adresse und Passwort eingeben.")
+        val fieldErrors = buildMap {
+            if (!isValidEmail(current.email)) put("email", "Bitte geben Sie eine gültige E-Mail-Adresse ein.")
+            if (current.password.isBlank()) put("password", "Bitte geben Sie Ihr Passwort ein.")
+        }
+        if (fieldErrors.isNotEmpty()) {
+            _state.value = current.copy(fieldErrors = fieldErrors, error = "Bitte prüfen Sie die markierten Felder.")
            return
        }
        viewModelScope.launch {
@@ -75,6 +86,32 @@ class LoginViewModel @Inject constructor(private val repository: LoginRepository
        }
    }

+    fun passkeyLogin(context: Context) {
+        val current = _state.value
+        viewModelScope.launch {
+            _state.value = current.copy(loading = true, error = null, message = null)
+            passkeyRepository.login(context, current.email)
+                .onSuccess { response ->
+                    _state.value = current.copy(
+                        password = "",
+                        loading = false,
+                        restoring = false,
+                        loggedIn = true,
+                        userName = response.user?.name ?: response.user?.email,
+                        roles = response.user?.roles.orEmpty(),
+                        message = "Passkey-Anmeldung erfolgreich.",
+                    )
+                }
+                .onFailure {
+                    _state.value = current.copy(
+                        loading = false,
+                        restoring = false,
+                        error = it.message ?: "Passkey-Anmeldung fehlgeschlagen.",
+                    )
+                }
+        }
+    }
+
    fun logout() {
        viewModelScope.launch {
            repository.logout()
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/login/RegistrationScreens.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/login/RegistrationScreens.kt
@@ -33,6 +33,7 @@ import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.navigation.NavController
 import de.harheimertc.ui.navigation.Destinations
+import de.harheimertc.ui.components.ValidatedTextField
 import de.harheimertc.ui.theme.Accent500
 import de.harheimertc.ui.theme.Accent900
 import de.harheimertc.ui.theme.Primary100
@@ -52,13 +53,13 @@ fun PasswordResetScreen(
        onBack = { navController.navigate(Destinations.Login.route) },
        showBackNavigation = showBackNavigation,
    ) {
-        OutlinedTextField(
-            state.email,
-            viewModel::setEmail,
-            label = { Text("E-Mail-Adresse") },
+        ValidatedTextField(
+            value = state.email,
+            onValueChange = viewModel::setEmail,
+            label = "E-Mail-Adresse",
+            error = state.fieldErrors["email"],
            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Email),
            singleLine = true,
-            modifier = Modifier.fillMaxWidth(),
        )
        MessageLines(state.error, state.message)
        Button(onClick = viewModel::submit, enabled = !state.loading, modifier = Modifier.fillMaxWidth()) {
@@ -85,40 +86,39 @@ fun RegisterScreen(
        onBack = { navController.navigate(Destinations.Login.route) },
        showBackNavigation = showBackNavigation,
    ) {
-        OutlinedTextField(form.name, { viewModel.update(form.copy(name = it)) }, label = { Text("Name *") }, modifier = Modifier.fillMaxWidth())
-        OutlinedTextField(
-            form.email,
-            { viewModel.update(form.copy(email = it)) },
-            label = { Text("E-Mail-Adresse *") },
+        ValidatedTextField(form.name, { viewModel.update(form.copy(name = it)) }, "Name *", error = state.fieldErrors["name"])
+        ValidatedTextField(
+            value = form.email,
+            onValueChange = { viewModel.update(form.copy(email = it)) },
+            label = "E-Mail-Adresse *",
+            error = state.fieldErrors["email"],
            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Email),
-            modifier = Modifier.fillMaxWidth(),
        )
-        OutlinedTextField(
-            form.phone,
-            { viewModel.update(form.copy(phone = it)) },
-            label = { Text("Telefon") },
+        ValidatedTextField(
+            value = form.phone,
+            onValueChange = { viewModel.update(form.copy(phone = it)) },
+            label = "Telefon",
            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Phone),
-            modifier = Modifier.fillMaxWidth(),
        )
-        OutlinedTextField(
-            form.birthDate,
-            { viewModel.update(form.copy(birthDate = it)) },
-            label = { Text("Geburtsdatum * (JJJJ-MM-TT)") },
-            modifier = Modifier.fillMaxWidth(),
+        ValidatedTextField(
+            value = form.birthDate,
+            onValueChange = { viewModel.update(form.copy(birthDate = it)) },
+            label = "Geburtsdatum * (JJJJ-MM-TT)",
+            error = state.fieldErrors["birthDate"],
        )
-        OutlinedTextField(
-            form.password,
-            { viewModel.update(form.copy(password = it)) },
-            label = { Text("Passwort *") },
+        ValidatedTextField(
+            value = form.password,
+            onValueChange = { viewModel.update(form.copy(password = it)) },
+            label = "Passwort *",
+            error = state.fieldErrors["password"],
            visualTransformation = PasswordVisualTransformation(),
-            modifier = Modifier.fillMaxWidth(),
        )
-        OutlinedTextField(
-            form.passwordRepeat,
-            { viewModel.update(form.copy(passwordRepeat = it)) },
-            label = { Text("Passwort wiederholen *") },
+        ValidatedTextField(
+            value = form.passwordRepeat,
+            onValueChange = { viewModel.update(form.copy(passwordRepeat = it)) },
+            label = "Passwort wiederholen *",
+            error = state.fieldErrors["passwordRepeat"],
            visualTransformation = PasswordVisualTransformation(),
-            modifier = Modifier.fillMaxWidth(),
        )
        Row(verticalAlignment = Alignment.CenterVertically) {
            Checkbox(form.showBirthday, { viewModel.update(form.copy(showBirthday = it)) })
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/login/RegistrationViewModels.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/login/RegistrationViewModels.kt
@@ -6,6 +6,8 @@ import dagger.hilt.android.lifecycle.HiltViewModel
 import de.harheimertc.data.RegistrationRequest
 import de.harheimertc.data.RegistrationVisibility
 import de.harheimertc.repositories.LoginRepository
+import de.harheimertc.ui.components.isValidEmail
+import de.harheimertc.ui.components.isValidIsoDate
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
@@ -13,6 +15,7 @@ import javax.inject.Inject

 data class PasswordResetUiState(
    val email: String = "",
+    val fieldErrors: Map<String, String> = emptyMap(),
    val loading: Boolean = false,
    val error: String? = null,
    val message: String? = null,
@@ -24,13 +27,16 @@ class PasswordResetViewModel @Inject constructor(private val repository: LoginRe
    val state: StateFlow<PasswordResetUiState> = _state

    fun setEmail(value: String) {
-        _state.value = _state.value.copy(email = value, error = null)
+        _state.value = _state.value.copy(email = value, fieldErrors = _state.value.fieldErrors - "email", error = null)
    }

    fun submit() {
        val email = _state.value.email.trim()
-        if (!email.contains("@")) {
-            _state.value = _state.value.copy(error = "Bitte eine gültige E-Mail-Adresse eingeben.")
+        if (!isValidEmail(email)) {
+            _state.value = _state.value.copy(
+                fieldErrors = mapOf("email" to "Bitte eine gültige E-Mail-Adresse eingeben."),
+                error = "Bitte prüfen Sie die markierten Felder.",
+            )
            return
        }
        viewModelScope.launch {
@@ -58,6 +64,7 @@ data class RegisterFormState(

 data class RegisterUiState(
    val form: RegisterFormState = RegisterFormState(),
+    val fieldErrors: Map<String, String> = emptyMap(),
    val loading: Boolean = false,
    val error: String? = null,
    val message: String? = null,
@@ -69,21 +76,14 @@ class RegisterViewModel @Inject constructor(private val repository: LoginReposit
    val state: StateFlow<RegisterUiState> = _state

    fun update(form: RegisterFormState) {
-        _state.value = _state.value.copy(form = form, error = null)
+        _state.value = _state.value.copy(form = form, fieldErrors = validateFields(form, onlyTouched = true), error = null)
    }

    fun submit() {
        val form = _state.value.form
-        val error = when {
-            form.name.isBlank() || form.email.isBlank() || form.birthDate.isBlank() || form.password.isBlank() ->
-                "Bitte alle Pflichtfelder ausfüllen."
-            !form.email.contains("@") -> "Bitte eine gültige E-Mail-Adresse eingeben."
-            form.password.length < 8 -> "Das Passwort muss mindestens 8 Zeichen lang sein."
-            form.password != form.passwordRepeat -> "Die Passwörter stimmen nicht überein."
-            else -> null
-        }
-        if (error != null) {
-            _state.value = _state.value.copy(error = error)
+        val fieldErrors = validateFields(form)
+        if (fieldErrors.isNotEmpty()) {
+            _state.value = _state.value.copy(fieldErrors = fieldErrors, error = "Bitte prüfen Sie die markierten Felder.")
            return
        }
        viewModelScope.launch {
@@ -104,4 +104,14 @@ class RegisterViewModel @Inject constructor(private val repository: LoginReposit
            }
        }
    }
+
+    private fun validateFields(form: RegisterFormState, onlyTouched: Boolean = false): Map<String, String> = buildMap {
+        fun shouldValidate(value: String) = !onlyTouched || value.isNotBlank()
+        if (!onlyTouched && form.name.isBlank()) put("name", "Bitte geben Sie Ihren Namen ein.")
+        if (shouldValidate(form.email) && !isValidEmail(form.email)) put("email", "Bitte geben Sie eine gültige E-Mail-Adresse ein.")
+        if (shouldValidate(form.birthDate) && !isValidIsoDate(form.birthDate)) put("birthDate", "Bitte verwenden Sie das Format JJJJ-MM-TT.")
+        if (shouldValidate(form.password) && form.password.length < 8) put("password", "Das Passwort muss mindestens 8 Zeichen lang sein.")
+        if (form.passwordRepeat.isNotBlank() && form.password != form.passwordRepeat) put("passwordRepeat", "Die Passwörter stimmen nicht überein.")
+        if (!onlyTouched && form.passwordRepeat.isBlank()) put("passwordRepeat", "Bitte wiederholen Sie das Passwort.")
+    }
 }
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaDetailScreens.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaDetailScreens.kt
@@ -0,0 +1,364 @@
+package de.harheimertc.ui.screens.memberarea
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Checkbox
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import android.util.Log
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import de.harheimertc.data.MemberDto
+import de.harheimertc.data.NewsDto
+import de.harheimertc.ui.components.RichText
+import de.harheimertc.ui.theme.Accent100
+import de.harheimertc.ui.theme.Accent500
+import de.harheimertc.ui.theme.Accent700
+import de.harheimertc.ui.theme.Accent900
+import de.harheimertc.ui.theme.Primary100
+import de.harheimertc.ui.theme.Primary600
+import de.harheimertc.ui.theme.Primary900
+
+@Composable
+fun MembersScreen(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    viewModel: MembersViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsState()
+    val query = state.query.trim()
+    var sortAsc by remember { mutableStateOf(true) }
+    var sortField by remember { mutableStateOf("Nachname") }
+
+    val filtered = state.members.filter { member ->
+        query.isBlank() ||
+            member.name.contains(query, ignoreCase = true) ||
+            member.email.orEmpty().contains(query, ignoreCase = true)
+    }
+
+    // helpers
+    fun dayMonthKey(m: MemberDto): Int {
+        val src = m.geburtsdatum ?: m.birthday ?: return Int.MAX_VALUE
+        val s = src.trim()
+        try {
+            if (s.matches(Regex("^\\d{4}[-./].*"))) {
+                val ld = java.time.LocalDate.parse(s)
+                return ld.monthValue * 100 + ld.dayOfMonth
+            }
+        } catch (_: Exception) { }
+        // fallback: handle ISO without year (MM-DD or M-D), or German (DD.MM(.YYYY))
+        val isoNoYear = Regex("^(\\d{1,2})[-/](\\d{1,2})$")
+        val german = Regex("^(\\d{1,2})\\.(\\d{1,2})(?:\\.(\\d{2,4}))?$")
+        isoNoYear.find(s)?.let {
+            val (mo, d) = it.destructured
+            return try { mo.toInt() * 100 + d.toInt() } catch (_: Exception) { Int.MAX_VALUE }
+        }
+        german.find(s)?.let {
+            val (d, mo, _) = it.destructured
+            return try { mo.toInt() * 100 + d.toInt() } catch (_: Exception) { Int.MAX_VALUE }
+        }
+        val r = Regex("(\\d{1,2})\\D+(\\d{1,2})")
+        val match = r.find(s) ?: return Int.MAX_VALUE
+        val (a, b) = match.destructured
+        return try {
+            if (a.toInt() > 12) b.toInt() * 100 + a.toInt() else a.toInt() * 100 + b.toInt()
+        } catch (_: Exception) { Int.MAX_VALUE }
+    }
+
+    fun ageKey(m: MemberDto): Int {
+        val src = m.geburtsdatum ?: m.birthday ?: return Int.MAX_VALUE
+        val s = src.trim()
+        try {
+            if (s.matches(Regex("^\\d{4}[-./].*"))) {
+                val ld = java.time.LocalDate.parse(s)
+                val current = java.time.LocalDate.now().year
+                return current - ld.year
+            }
+        } catch (_: Exception) { }
+        val germanYear = Regex("^(\\d{1,2})\\.(\\d{1,2})\\.(\\d{2,4})$")
+        germanYear.find(s)?.let {
+            val yearStr = it.groupValues[3]
+            return try { java.time.LocalDate.now().year - yearStr.toInt() } catch (_: Exception) { Int.MAX_VALUE }
+        }
+        return Int.MAX_VALUE
+    }
+
+    val members = when (sortField) {
+        "Vorname" -> filtered.sortedWith(compareBy({ it.firstName.ifBlank { it.name } }, { it.lastName }))
+        "Geburtstag" -> filtered.sortedWith(compareBy({ dayMonthKey(it) }, { it.lastName }))
+        "Alter" -> filtered.sortedWith(compareBy({ ageKey(it) }, { it.lastName }))
+        else -> filtered.sortedWith(compareBy<MemberDto> { it.lastName.ifBlank { it.name } }.thenBy { it.firstName })
+    }.let { if (sortAsc) it else it.asReversed() }
+
+    var viewMode by remember { mutableStateOf("cards") }
+    var onlyHallKey by remember { mutableStateOf(false) }
+    val display = remember(members, onlyHallKey) { if (!onlyHallKey) members else members.filter { it.hasHallKey } }
+    Log.i("MembersScreen", "viewMode=$viewMode displayCount=${display.size}")
+
+    MemberAreaPage(navController, showBackNavigation, "Mitgliederliste", "Kontaktdaten der Vereinsmitglieder") {
+        item {
+            OutlinedTextField(
+                value = state.query,
+                onValueChange = viewModel::updateQuery,
+                label = { Text("Suchen") },
+                singleLine = true,
+                modifier = Modifier.fillMaxWidth(),
+            )
+        }
+        item {
+            Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                Text("Sortieren nach", color = Accent700)
+                var expanded by remember { mutableStateOf(false) }
+                TextButton(onClick = { expanded = true }) { Text(sortField) }
+                androidx.compose.material3.DropdownMenu(expanded = expanded, onDismissRequest = { expanded = false }) {
+                    listOf("Nachname", "Vorname", "Geburtstag", "Alter").forEach { opt ->
+                        androidx.compose.material3.DropdownMenuItem(text = { Text(opt) }, onClick = { sortField = opt; expanded = false })
+                    }
+                }
+                TextButton(onClick = { sortAsc = !sortAsc }) { Text(if (sortAsc) "A→Z" else "Z→A") }
+            }
+        }
+        item {
+            Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                Button(onClick = { viewMode = if (viewMode == "cards") "table" else "cards" }, colors = ButtonDefaults.buttonColors(containerColor = Color(0xFFF3F4F6))) {
+                    Text(if (viewMode == "cards") "Tabelle" else "Karten", color = Accent900)
+                }
+                androidx.compose.material3.Checkbox(checked = onlyHallKey, onCheckedChange = { onlyHallKey = it })
+                Text("Nur mit Hallenschlüssel", color = Accent700)
+            }
+        }
+        item {
+            if (viewMode == "table") {
+                Text("DEBUG: TABLE", color = Color.Red, modifier = Modifier.fillMaxWidth().padding(8.dp))
+            }
+        }
+
+        when {
+            state.loading -> item { CircularProgressIndicator(color = Primary600) }
+            state.error != null -> item { ErrorCard(state.error.orEmpty(), viewModel::load) }
+            display.isEmpty() -> item { Text("Keine Mitglieder gefunden.", color = Accent700) }
+            else -> if (viewMode == "table") {
+                items(display.size) { index ->
+                    val m = display[index]
+                    Surface(color = Color.White, shape = RoundedCornerShape(6.dp)) {
+                        Row(Modifier.fillMaxWidth().padding(12.dp), horizontalArrangement = Arrangement.spacedBy(12.dp)) {
+                            Column(Modifier.weight(1f)) { Text(m.name, color = Accent900) }
+                            Column(Modifier.weight(1f)) { Text(m.email ?: "-", color = Primary600) }
+                            Column(Modifier.weight(1f)) { Text(m.phone ?: "-", color = Accent700) }
+                        }
+                    }
+                }
+            } else {
+                items(display.size) { index -> MemberCard(display[index]) }
+            }
+        }
+    }
+}
+
+@Composable
+fun MemberNewsScreen(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    viewModel: MemberNewsViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsState()
+    MemberAreaPage(navController, showBackNavigation, "News", "Neuigkeiten und Ankündigungen im Mitgliederbereich") {
+        when {
+            state.loading -> item { CircularProgressIndicator(color = Primary600) }
+            state.error != null -> item { ErrorCard(state.error.orEmpty(), viewModel::load) }
+            state.news.isEmpty() -> item { Text("Noch keine News vorhanden.", color = Accent700) }
+            else -> items(state.news.size) { index -> NewsCard(state.news[index]) }
+        }
+    }
+}
+
+@Composable
+fun MemberApiScreen(navController: NavController, showBackNavigation: Boolean) {
+    val groups = listOf(
+        "Authentifizierung" to listOf("POST /api/auth/login", "POST /api/auth/refresh", "GET /api/auth/status", "POST /api/auth/logout"),
+        "Mitgliederbereich" to listOf("GET /api/members", "GET /api/news", "GET /api/profile", "PUT /api/profile"),
+        "CMS" to listOf("GET /api/cms/users/list", "GET /api/cms/contact-requests", "GET /api/newsletter/list", "GET /api/config"),
+    )
+    MemberAreaPage(navController, showBackNavigation, "API-Dokumentation", "Kurzüberblick der wichtigsten App-Endpunkte") {
+        item {
+            Surface(color = Primary100, shape = RoundedCornerShape(12.dp)) {
+                Text(
+                    "Android nutzt Authorization: Bearer <Access-Token>. Abgelaufene Tokens werden über /api/auth/refresh automatisch erneuert.",
+                    color = Primary900,
+                    modifier = Modifier.fillMaxWidth().padding(16.dp),
+                )
+            }
+        }
+        items(groups.size) { index ->
+            val (title, endpoints) = groups[index]
+            Surface(color = Color.White, shape = RoundedCornerShape(14.dp), shadowElevation = 3.dp) {
+                Column(Modifier.fillMaxWidth().padding(18.dp), verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                    Text(title, style = MaterialTheme.typography.titleLarge, color = Accent900)
+                    endpoints.forEach { endpoint ->
+                        Surface(color = Accent100, shape = RoundedCornerShape(8.dp)) {
+                            Text(endpoint, color = Accent900, modifier = Modifier.fillMaxWidth().padding(10.dp))
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun MemberAreaPage(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    title: String,
+    subtitle: String,
+    content: androidx.compose.foundation.lazy.LazyListScope.() -> Unit,
+) {
+    LazyColumn(
+        modifier = Modifier.fillMaxSize().background(Color(0xFFFAFAFA)),
+        contentPadding = PaddingValues(horizontal = 20.dp, vertical = 22.dp),
+        verticalArrangement = Arrangement.spacedBy(14.dp),
+    ) {
+        item {
+            if (showBackNavigation) {
+                TextButton(onClick = { navController.popBackStack() }) {
+                    Text("<  Intern", color = Primary600, fontWeight = FontWeight.SemiBold)
+                }
+            }
+            Text(title, style = MaterialTheme.typography.headlineMedium, color = Accent900)
+            Text(subtitle, color = Accent500, modifier = Modifier.padding(top = 8.dp))
+        }
+        content()
+    }
+}
+
+@Composable
+private fun MemberCard(member: MemberDto, onEdit: (MemberDto) -> Unit = {}, onDelete: (MemberDto) -> Unit = {}) {
+    Surface(color = Color.White, shape = RoundedCornerShape(14.dp), shadowElevation = 3.dp) {
+        Column(Modifier.fillMaxWidth().padding(18.dp), verticalArrangement = Arrangement.spacedBy(7.dp)) {
+            Text(member.name.ifBlank { "${member.firstName} ${member.lastName}".trim() }, style = MaterialTheme.typography.titleLarge, color = Accent900)
+            if (!member.email.isNullOrBlank()) Text(member.email, color = Primary600)
+            if (!member.phone.isNullOrBlank()) Text(member.phone, color = Accent700)
+            if (!member.birthday.isNullOrBlank()) {
+                val display = formatDayMonth(member.birthday) ?: member.birthday
+                Text("Geburtstag: $display", color = Accent500)
+            }
+            Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                Badge(if (member.hasLogin) "Login" else member.source.ifBlank { "Mitglied" })
+                if (member.isMannschaftsspieler) Badge("Mannschaft")
+                if (member.hasHallKey) Badge("Hallenschlüssel")
+            }
+            if (member.email.isNullOrBlank() && member.phone.isNullOrBlank()) {
+                Text("Kontaktdaten sind für dich nicht freigegeben.", color = Accent500)
+            }
+            Row {
+                if (member.editable) {
+                    TextButton(onClick = { onEdit(member) }) { Text("Bearbeiten") }
+                    TextButton(onClick = { onDelete(member) }) { Text("Löschen") }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun NewsCard(item: NewsDto) {
+    Surface(color = Color.White, shape = RoundedCornerShape(14.dp), shadowElevation = 3.dp) {
+        Column(Modifier.fillMaxWidth().padding(18.dp), verticalArrangement = Arrangement.spacedBy(8.dp)) {
+            Text(item.title, style = MaterialTheme.typography.titleLarge, color = Accent900)
+            Text(listOfNotNull(item.author, item.created).joinToString(" | "), color = Accent500)
+            if (item.isPublic || item.isHidden) {
+                Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                    if (item.isPublic) Badge("Öffentlich")
+                    if (item.isHidden) Badge("Ausgeblendet")
+                }
+            }
+            RichText(item.content)
+        }
+    }
+}
+
+@Composable
+private fun Badge(label: String) {
+    Surface(color = Primary100, shape = RoundedCornerShape(20.dp)) {
+        Text(label, color = Primary600, style = MaterialTheme.typography.labelSmall, modifier = Modifier.padding(horizontal = 9.dp, vertical = 5.dp))
+    }
+}
+
+@Composable
+private fun ErrorCard(message: String, onRetry: () -> Unit) {
+    Surface(color = Color(0xFFFEE2E2), shape = RoundedCornerShape(12.dp)) {
+        Column(Modifier.fillMaxWidth().padding(16.dp), verticalArrangement = Arrangement.spacedBy(8.dp)) {
+            Text(message, color = Color(0xFF991B1B))
+            Button(onClick = onRetry) { Text("Erneut laden") }
+        }
+    }
+}
+
+private fun normalizeToIso(srcRaw: String?): String? {
+    val src = srcRaw?.trim() ?: return null
+    try {
+        if (src.matches(Regex("^\\d{4}[-./].*"))) {
+            val ld = java.time.LocalDate.parse(src)
+            return String.format("%04d-%02d-%02d", ld.year, ld.monthValue, ld.dayOfMonth)
+        }
+    } catch (_: Exception) { }
+    val isoNoYear = Regex("^(\\d{1,2})[-/](\\d{1,2})$")
+    isoNoYear.find(src)?.let {
+        val (mo, d) = it.destructured
+        return String.format("%02d-%02d", mo.toInt(), d.toInt())
+    }
+    val german = Regex("^(\\d{1,2})\\.(\\d{1,2})(?:\\.(\\d{2,4}))?$")
+    german.find(src)?.let {
+        val (d, mo, y) = it.destructured
+        return if (y.isNullOrBlank()) String.format("%02d-%02d", mo.toInt(), d.toInt()) else String.format("%04d-%02d-%02d", y.toInt(), mo.toInt(), d.toInt())
+    }
+    return null
+}
+
+private fun formatDayMonth(srcRaw: String?): String? {
+    val src = srcRaw?.trim() ?: return null
+    try {
+        if (src.matches(Regex("^\\d{4}[-./].*"))) {
+            val ld = java.time.LocalDate.parse(src)
+            return String.format("%02d.%02d.", ld.dayOfMonth, ld.monthValue)
+        }
+    } catch (_: Exception) { }
+    val isoNoYear = Regex("^(\\d{1,2})[-/](\\d{1,2})$")
+    isoNoYear.find(src)?.let {
+        val (mo, d) = it.destructured
+        return try { String.format("%02d.%02d.", d.toInt(), mo.toInt()) } catch (_: Exception) { null }
+    }
+    val german = Regex("^(\\d{1,2})\\.(\\d{1,2})(?:\\.(\\d{2,4}))?$")
+    german.find(src)?.let {
+        val (d, mo, _) = it.destructured
+        return try { String.format("%02d.%02d.", d.toInt(), mo.toInt()) } catch (_: Exception) { null }
+    }
+    val r = Regex("(\\d{1,2})\\D+(\\d{1,2})")
+    val match = r.find(src) ?: return null
+    val (a, b) = match.destructured
+    return try { String.format("%02d.%02d.", a.toInt(), b.toInt()) } catch (_: Exception) { null }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaDetailViewModels.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaDetailViewModels.kt
@@ -0,0 +1,103 @@
+package de.harheimertc.ui.screens.memberarea
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import de.harheimertc.data.MemberDto
+import de.harheimertc.data.NewsDto
+import de.harheimertc.repositories.MemberAreaRepository
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+data class MembersUiState(
+    val members: List<MemberDto> = emptyList(),
+    val loading: Boolean = true,
+    val error: String? = null,
+    val query: String = "",
+)
+
+@HiltViewModel
+class MembersViewModel @Inject constructor(
+    private val repository: MemberAreaRepository,
+) : ViewModel() {
+    private val _state = MutableStateFlow(MembersUiState())
+    val state: StateFlow<MembersUiState> = _state
+
+    init {
+        load()
+    }
+
+    fun updateQuery(query: String) {
+        _state.value = _state.value.copy(query = query)
+    }
+
+    fun load() {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(loading = true, error = null)
+            repository.members()
+                .onSuccess { response -> _state.value = _state.value.copy(members = response.members, loading = false) }
+                .onFailure { _state.value = _state.value.copy(loading = false, error = it.message ?: "Mitglieder konnten nicht geladen werden.") }
+        }
+    }
+
+    fun saveMember(request: de.harheimertc.data.ApiService.MemberSaveRequest) {
+        viewModelScope.launch {
+            repository.saveMember(request)
+                .onSuccess { _ -> load() }
+                .onFailure { /* expose errors if needed */ }
+        }
+    }
+
+    fun deleteMember(id: String) {
+        viewModelScope.launch {
+            repository.deleteMember(id)
+                .onSuccess { _ -> load() }
+                .onFailure { /* handle error */ }
+        }
+    }
+
+    fun bulkImport(members: List<Map<String, String>>) {
+        viewModelScope.launch {
+            repository.bulkImport(members)
+                .onSuccess { _ -> load() }
+                .onFailure { /* handle error */ }
+        }
+    }
+
+    fun toggleMannschaftsspieler(memberId: String) {
+        viewModelScope.launch {
+            repository.toggleMannschaftsspieler(memberId)
+                .onSuccess { _ -> load() }
+                .onFailure { /* handle error */ }
+        }
+    }
+}
+
+data class MemberNewsUiState(
+    val news: List<NewsDto> = emptyList(),
+    val loading: Boolean = true,
+    val error: String? = null,
+)
+
+@HiltViewModel
+class MemberNewsViewModel @Inject constructor(
+    private val repository: MemberAreaRepository,
+) : ViewModel() {
+    private val _state = MutableStateFlow(MemberNewsUiState())
+    val state: StateFlow<MemberNewsUiState> = _state
+
+    init {
+        load()
+    }
+
+    fun load() {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(loading = true, error = null)
+            repository.news()
+                .onSuccess { response -> _state.value = _state.value.copy(news = response.news, loading = false) }
+                .onFailure { _state.value = _state.value.copy(loading = false, error = it.message ?: "News konnten nicht geladen werden.") }
+        }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaScreen.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaScreen.kt
@@ -0,0 +1,190 @@
+package de.harheimertc.ui.screens.memberarea
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import de.harheimertc.data.BirthdayDto
+import de.harheimertc.ui.navigation.Destinations
+import de.harheimertc.ui.theme.Accent100
+import de.harheimertc.ui.theme.Accent500
+import de.harheimertc.ui.theme.Accent700
+import de.harheimertc.ui.theme.Accent900
+import de.harheimertc.ui.theme.Primary100
+import de.harheimertc.ui.theme.Primary600
+
+@Composable
+fun MemberAreaScreen(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    viewModel: MemberAreaViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsState()
+
+    LazyColumn(
+        modifier = Modifier.fillMaxSize().background(Color(0xFFFAFAFA)),
+        contentPadding = PaddingValues(horizontal = 20.dp, vertical = 22.dp),
+        verticalArrangement = Arrangement.spacedBy(18.dp),
+    ) {
+        item {
+            if (showBackNavigation) {
+                TextButton(onClick = { navController.popBackStack() }) {
+                    Text("<  Startseite", color = Primary600, fontWeight = FontWeight.SemiBold)
+                }
+            }
+            Text("Mitgliederbereich", style = MaterialTheme.typography.displayLarge, color = Accent900)
+            Text("Alles Wichtige für Vereinsmitglieder.", color = Accent500, modifier = Modifier.padding(top = 8.dp))
+        }
+
+        item {
+            MemberAreaCardGrid(navController)
+        }
+
+        item {
+            BirthdayCard(
+                birthdays = state.birthdays,
+                loading = state.loadingBirthdays,
+                error = state.birthdayError,
+                onRetry = viewModel::loadBirthdays,
+            )
+        }
+    }
+}
+
+@Composable
+private fun MemberAreaCardGrid(navController: NavController) {
+    Column(verticalArrangement = Arrangement.spacedBy(12.dp)) {
+        MemberAreaCard(
+            title = "Mein Profil",
+            description = "Persönliche Daten und Passwort verwalten",
+            marker = "P",
+            onClick = { navController.navigate(Destinations.Profile.route) },
+        )
+        MemberAreaCard(
+            title = "Mitglieder",
+            description = "Kontaktdaten der Vereinsmitglieder",
+            marker = "M",
+            onClick = { navController.navigate(Destinations.Members.route) },
+        )
+        MemberAreaCard(
+            title = "News",
+            description = "Neuigkeiten und Ankündigungen",
+            marker = "N",
+            onClick = { navController.navigate(Destinations.MemberNews.route) },
+        )
+    }
+}
+
+@Composable
+private fun MemberAreaCard(title: String, description: String, marker: String, onClick: () -> Unit) {
+    Surface(
+        color = Color.White,
+        shape = RoundedCornerShape(14.dp),
+        shadowElevation = 3.dp,
+        modifier = Modifier.fillMaxWidth().clickable(onClick = onClick),
+    ) {
+        Row(
+            modifier = Modifier.fillMaxWidth().padding(18.dp),
+            horizontalArrangement = Arrangement.spacedBy(14.dp),
+            verticalAlignment = Alignment.CenterVertically,
+        ) {
+            Surface(color = Primary100, shape = RoundedCornerShape(10.dp), modifier = Modifier.size(48.dp)) {
+                Column(
+                    modifier = Modifier.fillMaxSize(),
+                    horizontalAlignment = Alignment.CenterHorizontally,
+                    verticalArrangement = Arrangement.Center,
+                ) {
+                    Text(marker, color = Primary600, fontWeight = FontWeight.Bold)
+                }
+            }
+            Column(modifier = Modifier.weight(1f)) {
+                Text(title, style = MaterialTheme.typography.titleLarge, color = Accent900)
+                Text(description, color = Accent700, modifier = Modifier.padding(top = 4.dp))
+            }
+        }
+    }
+}
+
+@Composable
+private fun BirthdayCard(
+    birthdays: List<BirthdayDto>,
+    loading: Boolean,
+    error: String?,
+    onRetry: () -> Unit,
+) {
+    Surface(color = Color.White, shape = RoundedCornerShape(14.dp), shadowElevation = 3.dp) {
+        Column(Modifier.fillMaxWidth().padding(18.dp), verticalArrangement = Arrangement.spacedBy(12.dp)) {
+            Row(horizontalArrangement = Arrangement.spacedBy(14.dp), verticalAlignment = Alignment.CenterVertically) {
+                Surface(color = Color(0xFFFCE7F3), shape = RoundedCornerShape(10.dp), modifier = Modifier.size(48.dp)) {
+                    Column(
+                        modifier = Modifier.fillMaxSize(),
+                        horizontalAlignment = Alignment.CenterHorizontally,
+                        verticalArrangement = Arrangement.Center,
+                    ) {
+                        Text("G", color = Color(0xFFDB2777), fontWeight = FontWeight.Bold)
+                    }
+                }
+                Text("Geburtstage (nächste 4 Wochen)", style = MaterialTheme.typography.titleLarge, color = Accent900)
+            }
+
+            when {
+                loading -> {
+                    CircularProgressIndicator(color = Primary600, modifier = Modifier.size(28.dp))
+                    Text("Lade...", color = Accent500)
+                }
+                error != null -> {
+                    Text(error, color = MaterialTheme.colorScheme.error)
+                    TextButton(onClick = onRetry) { Text("Erneut laden") }
+                }
+                birthdays.isEmpty() -> Text("Keine Geburtstage in den nächsten 4 Wochen.", color = Accent700)
+                else -> birthdays.forEach { birthday -> BirthdayRow(birthday) }
+            }
+        }
+    }
+}
+
+@Composable
+private fun BirthdayRow(birthday: BirthdayDto) {
+    Surface(color = Accent100, shape = RoundedCornerShape(9.dp)) {
+        Row(
+            modifier = Modifier.fillMaxWidth().padding(12.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically,
+        ) {
+            Column(modifier = Modifier.weight(1f)) {
+                Text(birthday.name, color = Accent900, fontWeight = FontWeight.SemiBold)
+                Text(birthday.dayMonth, color = Accent500, style = MaterialTheme.typography.labelSmall)
+            }
+            Text(relativeBirthdayLabel(birthday.inDays), color = Accent500)
+        }
+    }
+}
+
+private fun relativeBirthdayLabel(inDays: Int): String = when (inDays) {
+    0 -> "Heute"
+    1 -> "Morgen"
+    else -> "in $inDays Tagen"
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaViewModel.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaViewModel.kt
@@ -0,0 +1,48 @@
+package de.harheimertc.ui.screens.memberarea
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import de.harheimertc.data.BirthdayDto
+import de.harheimertc.repositories.MemberAreaRepository
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+data class MemberAreaUiState(
+    val birthdays: List<BirthdayDto> = emptyList(),
+    val loadingBirthdays: Boolean = true,
+    val birthdayError: String? = null,
+)
+
+@HiltViewModel
+class MemberAreaViewModel @Inject constructor(
+    private val repository: MemberAreaRepository,
+) : ViewModel() {
+    private val _state = MutableStateFlow(MemberAreaUiState())
+    val state: StateFlow<MemberAreaUiState> = _state
+
+    init {
+        loadBirthdays()
+    }
+
+    fun loadBirthdays() {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(loadingBirthdays = true, birthdayError = null)
+            repository.birthdays()
+                .onSuccess { response ->
+                    _state.value = _state.value.copy(
+                        birthdays = response.birthdays,
+                        loadingBirthdays = false,
+                    )
+                }
+                .onFailure {
+                    _state.value = _state.value.copy(
+                        loadingBirthdays = false,
+                        birthdayError = it.message ?: "Geburtstage konnten nicht geladen werden.",
+                    )
+                }
+        }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/membership/MembershipScreen.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/membership/MembershipScreen.kt
@@ -21,7 +21,6 @@ import androidx.compose.material3.Checkbox
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedButton
-import androidx.compose.material3.OutlinedTextField
 import androidx.compose.material3.RadioButton
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
@@ -39,6 +38,7 @@ import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.navigation.NavController
 import de.harheimertc.ui.navigation.Destinations
+import de.harheimertc.ui.components.ValidatedTextField
 import de.harheimertc.ui.theme.Accent500
 import de.harheimertc.ui.theme.Accent700
 import de.harheimertc.ui.theme.Accent900
@@ -85,33 +85,33 @@ fun MembershipScreen(
                Column(Modifier.fillMaxWidth().padding(18.dp), verticalArrangement = Arrangement.spacedBy(13.dp)) {
                    Text("Beitrittserklärung", style = MaterialTheme.typography.titleLarge, color = Accent900)
                    FormHeading("Persönliche Daten")
-                    TextInput("Vorname *", form.vorname) { viewModel.update(form.copy(vorname = it)) }
-                    TextInput("Nachname *", form.nachname) { viewModel.update(form.copy(nachname = it)) }
-                    TextInput("Straße und Hausnummer *", form.strasse) { viewModel.update(form.copy(strasse = it)) }
+                    TextInput("Vorname *", form.vorname, error = state.fieldErrors["vorname"]) { viewModel.update(form.copy(vorname = it)) }
+                    TextInput("Nachname *", form.nachname, error = state.fieldErrors["nachname"]) { viewModel.update(form.copy(nachname = it)) }
+                    TextInput("Straße und Hausnummer *", form.strasse, error = state.fieldErrors["strasse"]) { viewModel.update(form.copy(strasse = it)) }
                    Row(horizontalArrangement = Arrangement.spacedBy(9.dp)) {
-                        TextInput("PLZ *", form.plz, Modifier.weight(0.38f), KeyboardType.Number) { viewModel.update(form.copy(plz = it)) }
-                        TextInput("Wohnort *", form.ort, Modifier.weight(0.62f)) { viewModel.update(form.copy(ort = it)) }
+                        TextInput("PLZ *", form.plz, Modifier.weight(0.38f), KeyboardType.Number, state.fieldErrors["plz"]) { viewModel.update(form.copy(plz = it)) }
+                        TextInput("Wohnort *", form.ort, Modifier.weight(0.62f), error = state.fieldErrors["ort"]) { viewModel.update(form.copy(ort = it)) }
                    }
-                    TextInput("Geburtsdatum * (JJJJ-MM-TT)", form.geburtsdatum) { viewModel.update(form.copy(geburtsdatum = it)) }
-                    TextInput("E-Mail *", form.email, keyboard = KeyboardType.Email) { viewModel.update(form.copy(email = it)) }
+                    TextInput("Geburtsdatum * (JJJJ-MM-TT)", form.geburtsdatum, error = state.fieldErrors["geburtsdatum"]) { viewModel.update(form.copy(geburtsdatum = it)) }
+                    TextInput("E-Mail *", form.email, keyboard = KeyboardType.Email, error = state.fieldErrors["email"]) { viewModel.update(form.copy(email = it)) }
                    TextInput("Telefon (Mobil)", form.telefon, keyboard = KeyboardType.Phone) { viewModel.update(form.copy(telefon = it)) }
                    FormHeading("Mitgliedschaftsart")
                    ChoiceRow("Aktives Mitglied", form.art == "aktiv") { viewModel.update(form.copy(art = "aktiv")) }
                    ChoiceRow("Passives Mitglied", form.art == "passiv") { viewModel.update(form.copy(art = "passiv")) }
                    FeeInfo()
-                    AgreementRow("Hierzu erteile ich das SEPA-Lastschriftmandat. *", form.lastschrift) {
+                    AgreementRow("Hierzu erteile ich das SEPA-Lastschriftmandat. *", form.lastschrift, state.fieldErrors["lastschrift"]) {
                        viewModel.update(form.copy(lastschrift = it))
                    }
                    FormHeading("Bankdaten für SEPA-Lastschrift")
-                    TextInput("Kontoinhaber *", form.kontoinhaber) { viewModel.update(form.copy(kontoinhaber = it)) }
-                    TextInput("IBAN *", form.iban) { viewModel.update(form.copy(iban = it)) }
+                    TextInput("Kontoinhaber *", form.kontoinhaber, error = state.fieldErrors["kontoinhaber"]) { viewModel.update(form.copy(kontoinhaber = it)) }
+                    TextInput("IBAN *", form.iban, error = state.fieldErrors["iban"]) { viewModel.update(form.copy(iban = it)) }
                    TextInput("BIC", form.bic) { viewModel.update(form.copy(bic = it)) }
                    TextInput("Kreditinstitut", form.bank) { viewModel.update(form.copy(bank = it)) }
                    FormHeading("Datenschutz und Vereinssatzung")
-                    AgreementRow("Ich willige in die erforderliche Verarbeitung und Veröffentlichung gemäß Antrag ein. *", form.datenschutz) {
+                    AgreementRow("Ich willige in die erforderliche Verarbeitung und Veröffentlichung gemäß Antrag ein. *", form.datenschutz, state.fieldErrors["datenschutz"]) {
                        viewModel.update(form.copy(datenschutz = it))
                    }
-                    AgreementRow("Ich erkenne die Vereinssatzung an. *", form.satzung) {
+                    AgreementRow("Ich erkenne die Vereinssatzung an. *", form.satzung, state.fieldErrors["satzung"]) {
                        viewModel.update(form.copy(satzung = it))
                    }
                    state.error?.let { Text(it, color = MaterialTheme.colorScheme.error) }
@@ -164,12 +164,14 @@ private fun TextInput(
    value: String,
    modifier: Modifier = Modifier.fillMaxWidth(),
    keyboard: KeyboardType = KeyboardType.Text,
+    error: String? = null,
    onChange: (String) -> Unit,
 ) {
-    OutlinedTextField(
+    ValidatedTextField(
        value = value,
        onValueChange = onChange,
-        label = { Text(label) },
+        label = label,
+        error = error,
        keyboardOptions = KeyboardOptions(keyboardType = keyboard),
        modifier = modifier,
        singleLine = true,
@@ -185,10 +187,13 @@ private fun ChoiceRow(label: String, selected: Boolean, onClick: () -> Unit) {
 }

@Composable
-private fun AgreementRow(label: String, selected: Boolean, onChange: (Boolean) -> Unit) {
-    Row(verticalAlignment = Alignment.Top) {
-        Checkbox(checked = selected, onCheckedChange = onChange)
-        Text(label, color = Accent700, modifier = Modifier.padding(top = 12.dp))
+private fun AgreementRow(label: String, selected: Boolean, error: String? = null, onChange: (Boolean) -> Unit) {
+    Column {
+        Row(verticalAlignment = Alignment.Top) {
+            Checkbox(checked = selected, onCheckedChange = onChange)
+            Text(label, color = Accent700, modifier = Modifier.padding(top = 12.dp))
+        }
+        error?.let { Text(it, color = MaterialTheme.colorScheme.error, modifier = Modifier.padding(start = 48.dp)) }
    }
 }

--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/membership/MembershipViewModel.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/membership/MembershipViewModel.kt
@@ -5,6 +5,8 @@ import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import de.harheimertc.data.MembershipRequest
 import de.harheimertc.repositories.MembershipRepository
+import de.harheimertc.ui.components.isValidEmail
+import de.harheimertc.ui.components.isValidIsoDate
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
@@ -31,6 +33,7 @@ data class MembershipFormState(

 data class MembershipUiState(
    val form: MembershipFormState = MembershipFormState(),
+    val fieldErrors: Map<String, String> = emptyMap(),
    val sending: Boolean = false,
    val message: String? = null,
    val error: String? = null,
@@ -43,13 +46,14 @@ class MembershipViewModel @Inject constructor(private val repository: Membership
    val state: StateFlow<MembershipUiState> = _state

    fun update(form: MembershipFormState) {
-        _state.value = _state.value.copy(form = form, error = null)
+        _state.value = _state.value.copy(form = form, fieldErrors = _state.value.fieldErrors - changedKeys(_state.value.form, form), error = null)
    }

    fun submit() {
        val form = _state.value.form
-        validate(form)?.let {
-            _state.value = _state.value.copy(error = it)
+        val fieldErrors = validateFields(form)
+        if (fieldErrors.isNotEmpty()) {
+            _state.value = _state.value.copy(fieldErrors = fieldErrors, error = "Bitte prüfen Sie die markierten Felder.")
            return
        }
        viewModelScope.launch {
@@ -74,7 +78,7 @@ class MembershipViewModel @Inject constructor(private val repository: Membership
            )
            repository.submit(request)
                .onSuccess { document ->
-                    _state.value = _state.value.copy(sending = false, message = document.message, pdfUri = document.uri)
+                    _state.value = _state.value.copy(sending = false, fieldErrors = emptyMap(), message = document.message, pdfUri = document.uri)
                }
                .onFailure {
                    _state.value = _state.value.copy(sending = false, error = "Beitrittsformular konnte nicht erstellt werden.")
@@ -82,12 +86,33 @@ class MembershipViewModel @Inject constructor(private val repository: Membership
        }
    }

-    private fun validate(form: MembershipFormState): String? = when {
-        listOf(form.vorname, form.nachname, form.strasse, form.plz, form.ort, form.geburtsdatum, form.email, form.kontoinhaber, form.iban)
-            .any { it.isBlank() } -> "Bitte alle Pflichtfelder ausfüllen."
-        !form.plz.matches(Regex("\\d{5}")) -> "Bitte eine gültige fünfstellige PLZ eingeben."
-        !form.email.contains("@") -> "Bitte eine gültige E-Mail-Adresse eingeben."
-        !form.lastschrift || !form.datenschutz || !form.satzung -> "Bitte die erforderlichen Einwilligungen bestätigen."
-        else -> null
+    private fun validateFields(form: MembershipFormState): Map<String, String> = buildMap {
+        if (form.vorname.isBlank()) put("vorname", "Bitte geben Sie den Vornamen ein.")
+        if (form.nachname.isBlank()) put("nachname", "Bitte geben Sie den Nachnamen ein.")
+        if (form.strasse.isBlank()) put("strasse", "Bitte geben Sie Straße und Hausnummer ein.")
+        if (!form.plz.matches(Regex("\\d{5}"))) put("plz", "Bitte eine gültige fünfstellige PLZ eingeben.")
+        if (form.ort.isBlank()) put("ort", "Bitte geben Sie den Wohnort ein.")
+        if (!isValidIsoDate(form.geburtsdatum)) put("geburtsdatum", "Bitte verwenden Sie das Format JJJJ-MM-TT.")
+        if (!isValidEmail(form.email)) put("email", "Bitte eine gültige E-Mail-Adresse eingeben.")
+        if (form.kontoinhaber.isBlank()) put("kontoinhaber", "Bitte geben Sie den Kontoinhaber ein.")
+        if (form.iban.filterNot(Char::isWhitespace).length < 15) put("iban", "Bitte geben Sie eine gültige IBAN ein.")
+        if (!form.lastschrift) put("lastschrift", "Das SEPA-Lastschriftmandat ist erforderlich.")
+        if (!form.datenschutz) put("datenschutz", "Die Datenschutzeinwilligung ist erforderlich.")
+        if (!form.satzung) put("satzung", "Die Anerkennung der Satzung ist erforderlich.")
+    }
+
+    private fun changedKeys(previous: MembershipFormState, next: MembershipFormState): Set<String> = buildSet {
+        if (previous.vorname != next.vorname) add("vorname")
+        if (previous.nachname != next.nachname) add("nachname")
+        if (previous.strasse != next.strasse) add("strasse")
+        if (previous.plz != next.plz) add("plz")
+        if (previous.ort != next.ort) add("ort")
+        if (previous.geburtsdatum != next.geburtsdatum) add("geburtsdatum")
+        if (previous.email != next.email) add("email")
+        if (previous.kontoinhaber != next.kontoinhaber) add("kontoinhaber")
+        if (previous.iban != next.iban) add("iban")
+        if (previous.lastschrift != next.lastschrift) add("lastschrift")
+        if (previous.datenschutz != next.datenschutz) add("datenschutz")
+        if (previous.satzung != next.satzung) add("satzung")
    }
 }
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/newsletter/NewsletterScreens.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/newsletter/NewsletterScreens.kt
@@ -0,0 +1,247 @@
+package de.harheimertc.ui.screens.newsletter
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material3.Button
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import de.harheimertc.data.NewsletterGroupDto
+import de.harheimertc.ui.components.ValidatedTextField
+import de.harheimertc.ui.navigation.Destinations
+import de.harheimertc.ui.theme.Accent100
+import de.harheimertc.ui.theme.Accent500
+import de.harheimertc.ui.theme.Accent700
+import de.harheimertc.ui.theme.Accent900
+import de.harheimertc.ui.theme.Primary100
+import de.harheimertc.ui.theme.Primary600
+import de.harheimertc.ui.theme.Primary900
+
+@Composable
+fun NewsletterSubscribeScreen(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    viewModel: NewsletterViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsState()
+    NewsletterFormScreen(
+        navController = navController,
+        showBackNavigation = showBackNavigation,
+        title = "Newsletter abonnieren",
+        buttonLabel = "Newsletter abonnieren",
+        state = state,
+        onUpdate = viewModel::update,
+        onSubmit = viewModel::subscribe,
+    )
+}
+
+@Composable
+fun NewsletterUnsubscribeScreen(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    viewModel: NewsletterViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsState()
+    NewsletterFormScreen(
+        navController = navController,
+        showBackNavigation = showBackNavigation,
+        title = "Newsletter abmelden",
+        buttonLabel = "Newsletter abmelden",
+        state = state,
+        onUpdate = viewModel::update,
+        onSubmit = viewModel::unsubscribe,
+        showName = false,
+    )
+}
+
+@Composable
+fun NewsletterConfirmScreen(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    token: String?,
+    viewModel: NewsletterConfirmViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsState()
+    LaunchedEffect(token) {
+        viewModel.confirm(token.orEmpty())
+    }
+    NewsletterStatusPage(navController, showBackNavigation, "Newsletter bestätigen") {
+        when {
+            state.loading -> {
+                CircularProgressIndicator(color = Primary600)
+                Text("Newsletter-Anmeldung wird bestätigt...", color = Accent700)
+            }
+            state.error != null -> {
+                Text("Fehler", style = MaterialTheme.typography.titleLarge, color = Accent900)
+                Text(state.error.orEmpty(), color = MaterialTheme.colorScheme.error, textAlign = TextAlign.Center)
+                Button(onClick = { navController.navigate(Destinations.NewsletterSubscribe.route) }) { Text("Zur Anmeldung") }
+            }
+            else -> {
+                Text("Anmeldung bestätigt", style = MaterialTheme.typography.titleLarge, color = Accent900)
+                Text(state.message ?: "Vielen Dank. Ihre Newsletter-Anmeldung wurde bestätigt.", color = Accent700, textAlign = TextAlign.Center)
+                Button(onClick = { navController.navigate(Destinations.Home.route) }) { Text("Zur Startseite") }
+            }
+        }
+    }
+}
+
+@Composable
+fun NewsletterConfirmedScreen(navController: NavController, showBackNavigation: Boolean) {
+    NewsletterStatusPage(navController, showBackNavigation, "Newsletter bestätigt") {
+        Text("Anmeldung bestätigt", style = MaterialTheme.typography.titleLarge, color = Accent900)
+        Text("Vielen Dank. Sie erhalten ab sofort unseren Newsletter.", color = Accent700, textAlign = TextAlign.Center)
+        Button(onClick = { navController.navigate(Destinations.Home.route) }) { Text("Zur Startseite") }
+    }
+}
+
+@Composable
+fun NewsletterUnsubscribedScreen(navController: NavController, showBackNavigation: Boolean) {
+    NewsletterStatusPage(navController, showBackNavigation, "Newsletter abgemeldet") {
+        Text("Erfolgreich abgemeldet", style = MaterialTheme.typography.titleLarge, color = Accent900)
+        Text("Sie erhalten keine weiteren Newsletter dieser Auswahl.", color = Accent700, textAlign = TextAlign.Center)
+        Button(onClick = { navController.navigate(Destinations.Home.route) }) { Text("Zur Startseite") }
+    }
+}
+
+@Composable
+private fun NewsletterFormScreen(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    title: String,
+    buttonLabel: String,
+    state: NewsletterUiState,
+    onUpdate: (NewsletterFormState) -> Unit,
+    onSubmit: () -> Unit,
+    showName: Boolean = true,
+) {
+    LazyColumn(
+        modifier = Modifier.fillMaxSize().background(Color(0xFFFAFAFA)),
+        contentPadding = PaddingValues(horizontal = 20.dp, vertical = 22.dp),
+        verticalArrangement = Arrangement.spacedBy(14.dp),
+    ) {
+        item {
+            if (showBackNavigation) {
+                TextButton(onClick = { navController.popBackStack() }) {
+                    Text("<  Startseite", color = Primary600, fontWeight = FontWeight.SemiBold)
+                }
+            }
+            Text(title, style = MaterialTheme.typography.displayLarge, color = Accent900)
+            Text("Wählen Sie einen Newsletter und geben Sie Ihre E-Mail-Adresse ein.", color = Accent500, modifier = Modifier.padding(top = 8.dp))
+        }
+        if (state.loading) {
+            item { CircularProgressIndicator(color = Primary600) }
+        } else {
+            item {
+                Surface(color = Color.White, shape = RoundedCornerShape(14.dp), shadowElevation = 3.dp) {
+                    Column(Modifier.fillMaxWidth().padding(18.dp), verticalArrangement = Arrangement.spacedBy(14.dp)) {
+                        Text("Newsletter auswählen", style = MaterialTheme.typography.titleLarge, color = Accent900)
+                        state.groups.forEach { group ->
+                            NewsletterGroupOption(group, selected = group.id == state.form.selectedGroupId) {
+                                onUpdate(state.form.copy(selectedGroupId = group.id))
+                            }
+                        }
+                        state.fieldErrors["selectedGroupId"]?.let { Text(it, color = MaterialTheme.colorScheme.error) }
+                        ValidatedTextField(
+                            value = state.form.email,
+                            onValueChange = { onUpdate(state.form.copy(email = it)) },
+                            label = "E-Mail-Adresse",
+                            error = state.fieldErrors["email"],
+                            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Email),
+                            singleLine = true,
+                        )
+                        if (showName) {
+                            ValidatedTextField(
+                                value = state.form.name,
+                                onValueChange = { onUpdate(state.form.copy(name = it)) },
+                                label = "Name (optional)",
+                                singleLine = true,
+                            )
+                        }
+                        state.error?.let { Text(it, color = MaterialTheme.colorScheme.error) }
+                        state.message?.let { Text(it, color = Color(0xFF166534)) }
+                        Button(onClick = onSubmit, enabled = !state.submitting && state.groups.isNotEmpty(), modifier = Modifier.fillMaxWidth()) {
+                            Text(if (state.submitting) "Wird verarbeitet..." else buttonLabel)
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun NewsletterGroupOption(group: NewsletterGroupDto, selected: Boolean, onClick: () -> Unit) {
+    Surface(
+        color = if (selected) Primary100 else Accent100,
+        shape = RoundedCornerShape(10.dp),
+        modifier = Modifier.fillMaxWidth().clickable(onClick = onClick),
+    ) {
+        Column(Modifier.fillMaxWidth().padding(12.dp), verticalArrangement = Arrangement.spacedBy(4.dp)) {
+            Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                Text(if (selected) "✓" else "○", color = Primary600)
+                Text(group.name, color = Accent900, fontWeight = FontWeight.SemiBold)
+            }
+            if (group.description.isNotBlank()) Text(group.description, color = Accent700)
+        }
+    }
+}
+
+@Composable
+private fun NewsletterStatusPage(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    title: String,
+    content: @Composable ColumnScope.() -> Unit,
+) {
+    LazyColumn(
+        modifier = Modifier.fillMaxSize().background(Color(0xFFFAFAFA)),
+        contentPadding = PaddingValues(horizontal = 20.dp, vertical = 22.dp),
+        verticalArrangement = Arrangement.spacedBy(18.dp),
+    ) {
+        item {
+            if (showBackNavigation) {
+                TextButton(onClick = { navController.popBackStack() }) {
+                    Text("<  Startseite", color = Primary600, fontWeight = FontWeight.SemiBold)
+                }
+            }
+            Text(title, style = MaterialTheme.typography.displayLarge, color = Accent900)
+        }
+        item {
+            Surface(color = Color.White, shape = RoundedCornerShape(14.dp), shadowElevation = 3.dp) {
+                Column(Modifier.fillMaxWidth().padding(24.dp), verticalArrangement = Arrangement.spacedBy(16.dp)) {
+                    content()
+                }
+            }
+        }
+        item {
+            Surface(color = Primary100, shape = RoundedCornerShape(9.dp)) {
+                Text("Harheimer TC Newsletter", color = Primary900, modifier = Modifier.fillMaxWidth().padding(16.dp), textAlign = TextAlign.Center)
+            }
+        }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/newsletter/NewsletterViewModels.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/newsletter/NewsletterViewModels.kt
@@ -0,0 +1,123 @@
+package de.harheimertc.ui.screens.newsletter
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import de.harheimertc.data.NewsletterGroupDto
+import de.harheimertc.repositories.NewsletterRepository
+import de.harheimertc.ui.components.isValidEmail
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+data class NewsletterFormState(
+    val selectedGroupId: String = "",
+    val email: String = "",
+    val name: String = "",
+)
+
+data class NewsletterUiState(
+    val groups: List<NewsletterGroupDto> = emptyList(),
+    val form: NewsletterFormState = NewsletterFormState(),
+    val fieldErrors: Map<String, String> = emptyMap(),
+    val loading: Boolean = true,
+    val submitting: Boolean = false,
+    val error: String? = null,
+    val message: String? = null,
+)
+
+@HiltViewModel
+class NewsletterViewModel @Inject constructor(
+    private val repository: NewsletterRepository,
+) : ViewModel() {
+    private val _state = MutableStateFlow(NewsletterUiState())
+    val state: StateFlow<NewsletterUiState> = _state
+
+    init {
+        loadGroups()
+    }
+
+    fun loadGroups() {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(loading = true, error = null)
+            repository.groups()
+                .onSuccess { response -> _state.value = _state.value.copy(groups = response.groups, loading = false) }
+                .onFailure { _state.value = _state.value.copy(loading = false, error = it.message ?: "Newsletter konnten nicht geladen werden.") }
+        }
+    }
+
+    fun update(form: NewsletterFormState) {
+        _state.value = _state.value.copy(
+            form = form,
+            fieldErrors = _state.value.fieldErrors.filterKeys { key ->
+                when (key) {
+                    "selectedGroupId" -> form.selectedGroupId.isBlank()
+                    "email" -> form.email.isBlank() || !isValidEmail(form.email)
+                    else -> true
+                }
+            },
+            error = null,
+            message = null,
+        )
+    }
+
+    fun subscribe() = submit { groupId, email, name -> repository.subscribe(groupId, email, name) }
+
+    fun unsubscribe() = submit { groupId, email, _ -> repository.unsubscribe(groupId, email) }
+
+    private fun submit(action: suspend (String, String, String) -> Result<de.harheimertc.data.AuthMessageResponse>) {
+        val current = _state.value
+        val form = current.form
+        val fieldErrors = buildMap {
+            if (form.selectedGroupId.isBlank()) put("selectedGroupId", "Bitte Newsletter auswählen.")
+            if (!isValidEmail(form.email)) put("email", "Bitte gültige E-Mail-Adresse eingeben.")
+        }
+        if (fieldErrors.isNotEmpty()) {
+            _state.value = current.copy(fieldErrors = fieldErrors, error = "Bitte prüfen Sie die markierten Felder.")
+            return
+        }
+        viewModelScope.launch {
+            _state.value = current.copy(submitting = true, error = null, message = null)
+            action(form.selectedGroupId, form.email, form.name)
+                .onSuccess { response ->
+                    _state.value = current.copy(
+                        form = NewsletterFormState(),
+                        fieldErrors = emptyMap(),
+                        submitting = false,
+                        loading = false,
+                        groups = current.groups,
+                        message = response.message ?: "Vorgang erfolgreich.",
+                    )
+                }
+                .onFailure { _state.value = current.copy(submitting = false, error = it.message ?: "Vorgang fehlgeschlagen.") }
+        }
+    }
+}
+
+data class NewsletterConfirmUiState(
+    val loading: Boolean = false,
+    val message: String? = null,
+    val error: String? = null,
+)
+
+@HiltViewModel
+class NewsletterConfirmViewModel @Inject constructor(
+    private val repository: NewsletterRepository,
+) : ViewModel() {
+    private val _state = MutableStateFlow(NewsletterConfirmUiState())
+    val state: StateFlow<NewsletterConfirmUiState> = _state
+
+    fun confirm(token: String) {
+        if (token.isBlank()) {
+            _state.value = NewsletterConfirmUiState(error = "Bestätigungstoken fehlt.")
+            return
+        }
+        viewModelScope.launch {
+            _state.value = NewsletterConfirmUiState(loading = true)
+            repository.confirm(token)
+                .onSuccess { _state.value = NewsletterConfirmUiState(message = it.message ?: "Newsletter-Anmeldung bestätigt.") }
+                .onFailure { _state.value = NewsletterConfirmUiState(error = it.message ?: "Bestätigung fehlgeschlagen.") }
+        }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/profile/ProfileScreen.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/profile/ProfileScreen.kt
@@ -0,0 +1,222 @@
+package de.harheimertc.ui.screens.profile
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.Button
+import androidx.compose.material3.Checkbox
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import de.harheimertc.ui.theme.Accent500
+import de.harheimertc.ui.theme.Accent900
+import de.harheimertc.ui.components.ValidatedTextField
+import de.harheimertc.ui.theme.Primary600
+
+@Composable
+fun ProfileScreen(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    viewModel: ProfileViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsState()
+    val form = state.form
+    val context = LocalContext.current
+
+    LazyColumn(
+        modifier = Modifier.fillMaxSize().background(Color(0xFFFAFAFA)),
+        contentPadding = PaddingValues(horizontal = 20.dp, vertical = 22.dp),
+        verticalArrangement = Arrangement.spacedBy(16.dp),
+    ) {
+        item {
+            if (showBackNavigation) {
+                TextButton(onClick = { navController.popBackStack() }) {
+                    Text("<  Intern", color = Primary600, fontWeight = FontWeight.SemiBold)
+                }
+            }
+            Text("Mein Profil", style = MaterialTheme.typography.displayLarge, color = Accent900)
+            Text("Kontaktdaten, Sichtbarkeit und Passwort verwalten.", color = Accent500, modifier = Modifier.padding(top = 8.dp))
+        }
+
+        if (state.loading) {
+            item {
+                Column(Modifier.fillMaxWidth().padding(28.dp), horizontalAlignment = Alignment.CenterHorizontally) {
+                    CircularProgressIndicator(color = Primary600)
+                }
+            }
+        } else {
+            item {
+                ProfileCard("Persönliche Daten") {
+                    ValidatedTextField(
+                        value = form.name,
+                        onValueChange = { viewModel.update(form.copy(name = it)) },
+                        label = "Name",
+                        error = state.fieldErrors["name"],
+                        singleLine = true,
+                    )
+                    ValidatedTextField(
+                        value = form.email,
+                        onValueChange = { viewModel.update(form.copy(email = it)) },
+                        label = "E-Mail",
+                        error = state.fieldErrors["email"],
+                        keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Email),
+                        singleLine = true,
+                    )
+                    ValidatedTextField(
+                        value = form.phone,
+                        onValueChange = { viewModel.update(form.copy(phone = it)) },
+                        label = "Telefon",
+                        keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Phone),
+                        singleLine = true,
+                    )
+                    ValidatedTextField(
+                        value = form.birthDate,
+                        onValueChange = { viewModel.update(form.copy(birthDate = it)) },
+                        label = "Geburtsdatum (JJJJ-MM-TT)",
+                        error = state.fieldErrors["birthDate"],
+                        singleLine = true,
+                    )
+                }
+            }
+
+            item {
+                ProfileCard("Sichtbarkeit im Mitgliederbereich") {
+                    VisibilityRow("E-Mail anzeigen", form.showEmail) { viewModel.update(form.copy(showEmail = it)) }
+                    VisibilityRow("Telefon anzeigen", form.showPhone) { viewModel.update(form.copy(showPhone = it)) }
+                    VisibilityRow("Adresse anzeigen", form.showAddress) { viewModel.update(form.copy(showAddress = it)) }
+                    VisibilityRow("Geburtstag anzeigen", form.showBirthday) { viewModel.update(form.copy(showBirthday = it)) }
+                }
+            }
+
+            item {
+                ProfileCard("Passwort ändern") {
+                    ValidatedTextField(
+                        value = form.currentPassword,
+                        onValueChange = { viewModel.update(form.copy(currentPassword = it)) },
+                        label = "Aktuelles Passwort",
+                        error = state.fieldErrors["currentPassword"],
+                        visualTransformation = PasswordVisualTransformation(),
+                        singleLine = true,
+                    )
+                    ValidatedTextField(
+                        value = form.newPassword,
+                        onValueChange = { viewModel.update(form.copy(newPassword = it)) },
+                        label = "Neues Passwort",
+                        error = state.fieldErrors["newPassword"],
+                        visualTransformation = PasswordVisualTransformation(),
+                        singleLine = true,
+                    )
+                    ValidatedTextField(
+                        value = form.confirmPassword,
+                        onValueChange = { viewModel.update(form.copy(confirmPassword = it)) },
+                        label = "Neues Passwort wiederholen",
+                        error = state.fieldErrors["confirmPassword"],
+                        visualTransformation = PasswordVisualTransformation(),
+                        singleLine = true,
+                    )
+                    Text("Leer lassen, wenn das Passwort unverändert bleiben soll.", color = Accent500)
+                }
+            }
+
+            item {
+                ProfileCard("Passkeys") {
+                    Text(
+                        "Passkeys ermöglichen eine Anmeldung ohne Passwort über den Android Credential Manager.",
+                        color = Accent500,
+                    )
+                    Button(
+                        onClick = { viewModel.addPasskey(context) },
+                        enabled = !state.passkeyLoading,
+                        modifier = Modifier.fillMaxWidth(),
+                    ) {
+                        if (state.passkeyLoading) CircularProgressIndicator(color = Color.White, strokeWidth = 2.dp, modifier = Modifier.size(18.dp).padding(end = 8.dp))
+                        Text(if (state.passkeyLoading) "Passkey wird erstellt..." else "Passkey hinzufügen")
+                    }
+                    if (state.passkeys.isEmpty()) {
+                        Text("Noch kein Passkey hinterlegt.", color = Accent500)
+                    } else {
+                        state.passkeys.forEach { passkey ->
+                            Surface(color = Color(0xFFF4F4F5), shape = RoundedCornerShape(9.dp)) {
+                                Column(Modifier.fillMaxWidth().padding(12.dp), verticalArrangement = Arrangement.spacedBy(6.dp)) {
+                                    Text(passkey.name.ifBlank { "Passkey" }, color = Accent900, fontWeight = FontWeight.SemiBold)
+                                    passkey.createdAt?.let { Text("Erstellt: $it", color = Accent500) }
+                                    passkey.lastUsedAt?.let { Text("Zuletzt genutzt: $it", color = Accent500) }
+                                    OutlinedButton(
+                                        onClick = { viewModel.removePasskey(passkey.credentialId) },
+                                        enabled = !state.passkeyLoading,
+                                        modifier = Modifier.fillMaxWidth(),
+                                    ) {
+                                        Text("Entfernen")
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+
+            item {
+                Button(
+                    onClick = viewModel::save,
+                    enabled = !state.saving,
+                    modifier = Modifier.fillMaxWidth(),
+                ) {
+                    if (state.saving) CircularProgressIndicator(color = Color.White, strokeWidth = 2.dp, modifier = Modifier.size(18.dp).padding(end = 8.dp))
+                    Text(if (state.saving) "Speichert..." else "Profil speichern")
+                }
+            }
+        }
+
+        state.error?.let { message ->
+            item { Text(message, color = MaterialTheme.colorScheme.error) }
+        }
+        state.message?.let { message ->
+            item { Text(message, color = Color(0xFF166534)) }
+        }
+    }
+}
+
+@Composable
+private fun ProfileCard(title: String, content: @Composable ColumnScope.() -> Unit) {
+    Surface(color = Color.White, shape = RoundedCornerShape(12.dp), shadowElevation = 2.dp) {
+        Column(Modifier.fillMaxWidth().padding(18.dp), verticalArrangement = Arrangement.spacedBy(12.dp)) {
+            Text(title, style = MaterialTheme.typography.titleLarge, color = Accent900)
+            content()
+        }
+    }
+}
+
+@Composable
+private fun VisibilityRow(label: String, checked: Boolean, onCheckedChange: (Boolean) -> Unit) {
+    Row(verticalAlignment = Alignment.CenterVertically, modifier = Modifier.fillMaxWidth()) {
+        Checkbox(checked = checked, onCheckedChange = onCheckedChange)
+        Text(label, color = Accent900)
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/profile/ProfileViewModel.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/profile/ProfileViewModel.kt
@@ -0,0 +1,217 @@
+package de.harheimertc.ui.screens.profile
+
+import android.content.Context
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import de.harheimertc.data.PasskeyDto
+import dagger.hilt.android.lifecycle.HiltViewModel
+import de.harheimertc.data.ProfileUpdateRequest
+import de.harheimertc.data.ProfileVisibilityDto
+import de.harheimertc.repositories.ProfileRepository
+import de.harheimertc.repositories.PasskeyRepository
+import de.harheimertc.ui.components.isValidEmail
+import de.harheimertc.ui.components.isValidIsoDate
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+data class ProfileFormState(
+    val name: String = "",
+    val email: String = "",
+    val phone: String = "",
+    val birthDate: String = "",
+    val showEmail: Boolean = true,
+    val showPhone: Boolean = true,
+    val showAddress: Boolean = false,
+    val showBirthday: Boolean = true,
+    val currentPassword: String = "",
+    val newPassword: String = "",
+    val confirmPassword: String = "",
+)
+
+data class ProfileUiState(
+    val form: ProfileFormState = ProfileFormState(),
+    val passkeys: List<PasskeyDto> = emptyList(),
+    val fieldErrors: Map<String, String> = emptyMap(),
+    val loading: Boolean = true,
+    val saving: Boolean = false,
+    val passkeyLoading: Boolean = false,
+    val error: String? = null,
+    val message: String? = null,
+)
+
+@HiltViewModel
+class ProfileViewModel @Inject constructor(
+    private val repository: ProfileRepository,
+    private val passkeyRepository: PasskeyRepository,
+) : ViewModel() {
+    private val _state = MutableStateFlow(ProfileUiState())
+    val state: StateFlow<ProfileUiState> = _state
+
+    init {
+        load()
+    }
+
+    fun load() {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(loading = true, error = null, message = null)
+            repository.load()
+                .onSuccess { response ->
+                    val user = response.user
+                    val visibility = user?.visibility ?: ProfileVisibilityDto()
+                    _state.value = ProfileUiState(
+                        loading = false,
+                        form = ProfileFormState(
+                            name = user?.name.orEmpty(),
+                            email = user?.email.orEmpty(),
+                            phone = user?.phone.orEmpty(),
+                            birthDate = user?.geburtsdatum.orEmpty(),
+                            showEmail = visibility.showEmail,
+                            showPhone = visibility.showPhone,
+                            showAddress = visibility.showAddress,
+                            showBirthday = visibility.showBirthday,
+                        ),
+                    )
+                    loadPasskeys()
+                }
+                .onFailure {
+                    _state.value = _state.value.copy(
+                        loading = false,
+                        error = it.message ?: "Profil konnte nicht geladen werden.",
+                    )
+                }
+        }
+    }
+
+    fun loadPasskeys() {
+        viewModelScope.launch {
+            passkeyRepository.list()
+                .onSuccess { response ->
+                    _state.value = _state.value.copy(passkeys = response.passkeys, passkeyLoading = false)
+                }
+                .onFailure {
+                    _state.value = _state.value.copy(
+                        passkeyLoading = false,
+                        error = it.message ?: "Passkeys konnten nicht geladen werden.",
+                    )
+                }
+        }
+    }
+
+    fun addPasskey(context: Context) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(passkeyLoading = true, error = null, message = null)
+            passkeyRepository.add(context)
+                .onSuccess { response ->
+                    _state.value = _state.value.copy(
+                        passkeyLoading = false,
+                        message = response.message ?: "Passkey hinzugefügt.",
+                    )
+                    loadPasskeys()
+                }
+                .onFailure {
+                    _state.value = _state.value.copy(
+                        passkeyLoading = false,
+                        error = it.message ?: "Passkey konnte nicht hinzugefügt werden.",
+                    )
+                }
+        }
+    }
+
+    fun removePasskey(credentialId: String) {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(passkeyLoading = true, error = null, message = null)
+            passkeyRepository.remove(credentialId)
+                .onSuccess { response ->
+                    _state.value = _state.value.copy(
+                        passkeyLoading = false,
+                        message = response.message ?: "Passkey entfernt.",
+                    )
+                    loadPasskeys()
+                }
+                .onFailure {
+                    _state.value = _state.value.copy(
+                        passkeyLoading = false,
+                        error = it.message ?: "Passkey konnte nicht entfernt werden.",
+                    )
+                }
+        }
+    }
+
+    fun update(form: ProfileFormState) {
+        _state.value = _state.value.copy(form = form, fieldErrors = emptyMap(), error = null, message = null)
+    }
+
+    fun save() {
+        val form = _state.value.form
+        val fieldErrors = buildMap {
+            if (form.name.isBlank()) put("name", "Bitte geben Sie Ihren Namen ein.")
+            if (!isValidEmail(form.email)) put("email", "Bitte geben Sie eine gültige E-Mail-Adresse ein.")
+            if (form.birthDate.isNotBlank() && !isValidIsoDate(form.birthDate)) put("birthDate", "Bitte verwenden Sie das Format JJJJ-MM-TT.")
+            if (form.currentPassword.isNotBlank() || form.newPassword.isNotBlank() || form.confirmPassword.isNotBlank()) {
+                if (form.currentPassword.isBlank()) put("currentPassword", "Bitte geben Sie Ihr aktuelles Passwort ein.")
+                if (form.newPassword.isBlank()) put("newPassword", "Bitte geben Sie ein neues Passwort ein.")
+                else if (form.newPassword.length < 6) put("newPassword", "Das neue Passwort muss mindestens 6 Zeichen lang sein.")
+                if (form.newPassword != form.confirmPassword) put("confirmPassword", "Die neuen Passwörter stimmen nicht überein.")
+            }
+        }
+        if (fieldErrors.isNotEmpty()) {
+            _state.value = _state.value.copy(fieldErrors = fieldErrors, error = "Bitte prüfen Sie die markierten Felder.", message = null)
+            return
+        }
+
+        viewModelScope.launch {
+            _state.value = _state.value.copy(saving = true, error = null, message = null)
+            repository.save(
+                ProfileUpdateRequest(
+                    name = form.name.trim(),
+                    email = form.email.trim(),
+                    phone = form.phone.trim().takeIf(String::isNotBlank),
+                    geburtsdatum = form.birthDate.trim().takeIf(String::isNotBlank),
+                    visibility = ProfileVisibilityDto(
+                        showEmail = form.showEmail,
+                        showPhone = form.showPhone,
+                        showAddress = form.showAddress,
+                        showBirthday = form.showBirthday,
+                    ),
+                    currentPassword = form.currentPassword.takeIf(String::isNotBlank),
+                    newPassword = form.newPassword.takeIf(String::isNotBlank),
+                ),
+            ).onSuccess { response ->
+                val current = _state.value
+                val next = response.user
+                val visibility = next?.visibility ?: ProfileVisibilityDto(
+                    form.showEmail,
+                    form.showPhone,
+                    form.showAddress,
+                    form.showBirthday,
+                )
+                _state.value = ProfileUiState(
+                    loading = false,
+                    message = response.message ?: "Profil erfolgreich aktualisiert.",
+                    passkeys = current.passkeys,
+                    fieldErrors = emptyMap(),
+                    form = form.copy(
+                        name = next?.name ?: form.name.trim(),
+                        email = next?.email ?: form.email.trim(),
+                        phone = next?.phone ?: form.phone.trim(),
+                        birthDate = next?.geburtsdatum ?: form.birthDate.trim(),
+                        showEmail = visibility.showEmail,
+                        showPhone = visibility.showPhone,
+                        showAddress = visibility.showAddress,
+                        showBirthday = visibility.showBirthday,
+                        currentPassword = "",
+                        newPassword = "",
+                        confirmPassword = "",
+                    ),
+                )
+            }.onFailure {
+                _state.value = _state.value.copy(
+                    saving = false,
+                    error = it.message ?: "Profil konnte nicht gespeichert werden.",
+                )
+            }
+        }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/publicpages/AdditionalPublicScreens.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/publicpages/AdditionalPublicScreens.kt
@@ -0,0 +1,105 @@
+package de.harheimertc.ui.screens.publicpages
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import de.harheimertc.data.ConfigResponse
+import de.harheimertc.ui.theme.Accent700
+import de.harheimertc.ui.theme.Accent900
+import de.harheimertc.ui.theme.Primary600
+
+@Composable
+fun ImpressumScreen(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    viewModel: PublicConfigViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsState()
+    val context = LocalContext.current
+    PublicPage(navController, showBackNavigation, "Impressum") {
+        when {
+            state.loading -> item { PublicLoading() }
+            state.error != null -> item { PublicError(state.error.orEmpty(), viewModel::load) }
+            state.config != null -> {
+                val config = state.config
+                item { ImpressumContent(config!!, onOpenSatzung = { navController.navigate(de.harheimertc.ui.navigation.Destinations.Satzung.route) }, onMail = { context.openPublicUri("mailto:$it") }) }
+            }
+        }
+    }
+}
+
+@Composable
+private fun ImpressumContent(config: ConfigResponse, onOpenSatzung: () -> Unit, onMail: (String) -> Unit) {
+    val address = if (config.verein.useVorsitzenderAddress) {
+        listOf(config.vorstand.vorsitzender.strasse, "${config.vorstand.vorsitzender.plz} ${config.vorstand.vorsitzender.ort}".trim())
+    } else {
+        listOf(config.verein.strasse, "${config.verein.plz} ${config.verein.ort}".trim())
+    }.filter(String::isNotBlank)
+
+    PublicCard("Angaben gemäß § 5 TMG") {
+        Text(config.verein.name.ifBlank { "Harheimer Tischtennis-Club 1954 e. V. (HTC)" }, color = Accent700)
+        address.forEach { Text(it, color = Accent700) }
+    }
+    PublicCard("Kontakt") {
+        config.vorstand.vorsitzender.telefon.takeIf(String::isNotBlank)?.let { Text("Telefon: $it", color = Accent700) }
+        config.vorstand.vorsitzender.email.takeIf(String::isNotBlank)?.let { email ->
+            Button(onClick = { onMail(email) }, colors = ButtonDefaults.buttonColors(containerColor = Primary600)) { Text(email) }
+        }
+        Text("Internet: www.harheimertc.de", color = Accent700)
+    }
+    PublicCard("Vertretungsberechtigter Vorstand") {
+        boardRows(config).forEach { Text(it, color = Accent700) }
+    }
+    PublicCard("Registereintrag") {
+        Text("lsb h-Vereinsnummer: 24091", color = Accent700)
+        Text("Registereintrag: Amtsgericht Frankfurt am Main, Registergericht", color = Accent700)
+        Text("Registernummer: VR 6835", color = Accent700)
+    }
+    PublicCard("Vereinssatzung") {
+        Text("Unsere aktuelle Vereinssatzung können Sie online einsehen.", color = Accent700)
+        Button(onClick = onOpenSatzung, colors = ButtonDefaults.buttonColors(containerColor = Primary600)) { Text("Satzung öffnen") }
+    }
+    PublicCard("Verantwortlich für die Website") {
+        val person = config.website.verantwortlicher
+        Text("${person.vorname} ${person.nachname}".trim().ifBlank { "-" }, color = Accent700)
+        person.email.takeIf(String::isNotBlank)?.let { email ->
+            Button(onClick = { onMail(email) }, colors = ButtonDefaults.buttonColors(containerColor = Primary600)) { Text(email) }
+        }
+    }
+    PublicCard("Haftungsausschluss und Datenschutz") {
+        SectionText("Haftung für Inhalte", "Als Diensteanbieter sind wir für eigene Inhalte nach den allgemeinen Gesetzen verantwortlich. Eine Haftung für externe oder fehlerhafte Informationen ist erst ab Kenntnis einer konkreten Rechtsverletzung möglich.")
+        SectionText("Haftung für Links", "Für Inhalte externer Websites sind deren Betreiber verantwortlich. Bei Bekanntwerden von Rechtsverletzungen entfernen wir entsprechende Links.")
+        SectionText("Urheberrecht", "Die Inhalte dieser App und Website unterliegen dem deutschen Urheberrecht.")
+        SectionText("Datenschutz", "Personenbezogene Daten werden vertraulich und entsprechend der Datenschutzvorschriften behandelt.")
+    }
+}
+
+@Composable
+private fun SectionText(title: String, text: String) {
+    Column(verticalArrangement = Arrangement.spacedBy(4.dp)) {
+        Text(title, color = Accent900, fontWeight = FontWeight.SemiBold)
+        Text(text, color = Accent700)
+    }
+}
+
+private fun boardRows(config: ConfigResponse): List<String> = listOf(
+    "Vorsitzender" to config.vorstand.vorsitzender,
+    "Stellvertreter" to config.vorstand.stellvertreter,
+    "Kassenwart" to config.vorstand.kassenwart,
+    "Schriftführer" to config.vorstand.schriftfuehrer,
+    "Sportwart" to config.vorstand.sportwart,
+    "Jugendwart" to config.vorstand.jugendwart,
+).mapNotNull { (role, member) ->
+    val name = "${member.vorname} ${member.nachname}".trim()
+    name.takeIf(String::isNotBlank)?.let { "$it, $role" }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/publicpages/PublicScreenComponents.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/publicpages/PublicScreenComponents.kt
@@ -3,8 +3,6 @@ package de.harheimertc.ui.screens.publicpages
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
-import android.text.method.LinkMovementMethod
-import android.widget.TextView
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
@@ -27,10 +25,9 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.dp
-import androidx.compose.ui.viewinterop.AndroidView
-import androidx.core.text.HtmlCompat
 import androidx.navigation.NavController
 import de.harheimertc.BuildConfig
+import de.harheimertc.ui.components.RichText
 import de.harheimertc.ui.theme.Accent500
 import de.harheimertc.ui.theme.Accent900
 import de.harheimertc.ui.theme.Primary600
@@ -86,20 +83,7 @@ internal fun PublicError(message: String, retry: () -> Unit) {

@Composable
 internal fun HtmlContent(html: String) {
-    AndroidView(
-        modifier = Modifier.fillMaxWidth(),
-        factory = { context ->
-            TextView(context).apply {
-                textSize = 17f
-                setTextColor(android.graphics.Color.rgb(63, 63, 70))
-                movementMethod = LinkMovementMethod.getInstance()
-                setLineSpacing(0f, 1.2f)
-            }
-        },
-        update = { textView ->
-            textView.text = HtmlCompat.fromHtml(html, HtmlCompat.FROM_HTML_MODE_COMPACT)
-        },
-    )
+    RichText(html)
 }

 internal fun Context.openPublicUri(value: String) {
--- a/android-app/app/src/main/java/de/harheimertc/ui/util/ErrorMapper.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/util/ErrorMapper.kt
@@ -0,0 +1,21 @@
+package de.harheimertc.ui.util
+
+import java.net.UnknownHostException
+
+object ErrorMapper {
+    fun mapError(t: Throwable?): String? {
+        if (t == null) return null
+        return when (t) {
+            is UnknownHostException -> "Server nicht erreichbar. Prüfe Netzwerkverbindung."
+            else -> {
+                val msg = t.message
+                when {
+                    msg == null -> "Unbekannter Fehler"
+                    msg.contains("401") || msg.contains("Unauthorized", ignoreCase = true) -> "Nicht autorisiert"
+                    msg.contains("timeout", ignoreCase = true) -> "Zeitüberschreitung beim Server"
+                    else -> msg
+                }
+            }
+        }
+    }
+}
--- a/android-app/app/src/main/res/drawable/ic_launcher_foreground.png
+++ b/android-app/app/src/main/res/drawable/ic_launcher_foreground.png
--- a/android-app/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/android-app/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/android-app/app/src/main/res/mipmap-hdpi/ic_launcher.png
+++ b/android-app/app/src/main/res/mipmap-hdpi/ic_launcher.png
--- a/android-app/app/src/main/res/mipmap-mdpi/ic_launcher.png
+++ b/android-app/app/src/main/res/mipmap-mdpi/ic_launcher.png
--- a/android-app/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+++ b/android-app/app/src/main/res/mipmap-xhdpi/ic_launcher.png
--- a/android-app/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+++ b/android-app/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
--- a/android-app/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+++ b/android-app/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
--- a/android-app/app/src/main/res/values-en/strings.xml
+++ b/android-app/app/src/main/res/values-en/strings.xml
@@ -0,0 +1,16 @@
+<resources>
+    <string name="app_name">Harheimer TC</string>
+    <string name="gallery_title">Bildergalerie</string>
+    <string name="gallery_empty">Noch keine Bilder in der Galerie.</string>
+    <string name="gallery_upload_title">Bild hochladen</string>
+    <string name="gallery_upload_show">Öffnen</string>
+    <string name="gallery_upload_hide">Schließen</string>
+    <string name="gallery_upload_choose_file">Bilddatei auswählen</string>
+    <string name="gallery_upload_image_title">Titel</string>
+    <string name="gallery_upload_description">Beschreibung (optional)</string>
+    <string name="gallery_upload_public">Öffentlich sichtbar</string>
+    <string name="gallery_upload_submit">Bild hochladen</string>
+    <string name="gallery_uploading">Wird hochgeladen...</string>
+    <string name="gallery_close_image">Bild schließen</string>
+    <string name="gallery_image_description">Galeriebild: %1$s</string>
+</resources>
--- a/android-app/app/src/main/res/values/colors.xml
+++ b/android-app/app/src/main/res/values/colors.xml
@@ -3,4 +3,5 @@
    <color name="primary_500">#ef4444</color>
    <color name="primary_600">#dc2626</color>
    <color name="accent_500">#71717a</color>
+    <color name="ic_launcher_background">#FFFFFF</color>
 </resources>
--- a/android-app/app/src/main/res/values/strings.xml
+++ b/android-app/app/src/main/res/values/strings.xml
@@ -0,0 +1,16 @@
+<resources>
+    <string name="app_name">Harheimer TC</string>
+    <string name="gallery_title">Bildergalerie</string>
+    <string name="gallery_empty">Noch keine Bilder in der Galerie.</string>
+    <string name="gallery_upload_title">Bild hochladen</string>
+    <string name="gallery_upload_show">Öffnen</string>
+    <string name="gallery_upload_hide">Schließen</string>
+    <string name="gallery_upload_choose_file">Bilddatei auswählen</string>
+    <string name="gallery_upload_image_title">Titel</string>
+    <string name="gallery_upload_description">Beschreibung (optional)</string>
+    <string name="gallery_upload_public">Öffentlich sichtbar</string>
+    <string name="gallery_upload_submit">Bild hochladen</string>
+    <string name="gallery_uploading">Wird hochgeladen...</string>
+    <string name="gallery_close_image">Bild schließen</string>
+    <string name="gallery_image_description">Galeriebild: %1$s</string>
+</resources>
--- a/android-app/app/src/test/java/de/harheimertc/ui/components/FormComponentsTest.kt
+++ b/android-app/app/src/test/java/de/harheimertc/ui/components/FormComponentsTest.kt
@@ -0,0 +1,30 @@
+package de.harheimertc.ui.components
+
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class FormComponentsTest {
+    @Test
+    fun isValidEmailAcceptsCommonAddresses() {
+        assertTrue(isValidEmail("mitglied@example.de"))
+        assertTrue(isValidEmail(" vorstand.name+test@harheimertc.de "))
+    }
+
+    @Test
+    fun isValidEmailRejectsInvalidAddresses() {
+        assertFalse(isValidEmail(""))
+        assertFalse(isValidEmail("mitglied"))
+        assertFalse(isValidEmail("mitglied@example"))
+        assertFalse(isValidEmail("mitglied @example.de"))
+        assertFalse(isValidEmail("mitglied@@example.de"))
+    }
+
+    @Test
+    fun isValidIsoDateRequiresIsoShape() {
+        assertTrue(isValidIsoDate("2026-05-28"))
+        assertFalse(isValidIsoDate("28.05.2026"))
+        assertFalse(isValidIsoDate("2026-5-28"))
+        assertFalse(isValidIsoDate(""))
+    }
+}
--- a/android-app/app/src/test/java/de/harheimertc/ui/components/RichTextUtilsTest.kt
+++ b/android-app/app/src/test/java/de/harheimertc/ui/components/RichTextUtilsTest.kt
@@ -0,0 +1,27 @@
+package de.harheimertc.ui.components
+
+import org.junit.Test
+import org.junit.Assert.assertEquals
+
+class RichTextUtilsTest {
+    @Test
+    fun stripHtml_removesTagsAndEntities() {
+        val html = "<p><strong>Hallo</strong>&nbsp;Welt</p>"
+        val stripped = stripHtml(html)
+        assertEquals("Hallo Welt", stripped)
+    }
+
+    @Test
+    fun normalizeEmptyHtml_returnsEmptyForBlankContent() {
+        val html = "<p><br></p>"
+        val normalized = normalizeEmptyHtml(html)
+        assertEquals("", normalized)
+    }
+
+    @Test
+    fun escapeHtml_escapesSpecialChars() {
+        val raw = "https://example.com/?q=1&name=\"x\""
+        val escaped = escapeHtml(raw)
+        assertEquals("https://example.com/?q=1&amp;name=&quot;x&quot;", escaped)
+    }
+}
--- a/android-app/app/src/test/java/de/harheimertc/ui/screens/cms/CmsViewModelTest.kt
+++ b/android-app/app/src/test/java/de/harheimertc/ui/screens/cms/CmsViewModelTest.kt
@@ -0,0 +1,190 @@
+package de.harheimertc.ui.screens.cms
+
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.runTest
+import kotlinx.coroutines.test.setMain
+import io.mockk.coEvery
+import io.mockk.mockk
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class CmsViewModelTest {
+    private val dispatcher = StandardTestDispatcher()
+
+    @Before
+    fun setUp() {
+        Dispatchers.setMain(dispatcher)
+    }
+
+    @After
+    fun tearDown() {
+        Dispatchers.resetMain()
+    }
+
+    @Test
+    fun load_populatesState() = runTest {
+        val repo = mockk<de.harheimertc.repositories.CmsRepository>()
+        val config = de.harheimertc.data.ConfigResponse(website = de.harheimertc.data.WebsiteDto(verantwortlicher = de.harheimertc.data.WebsiteResponsibleDto(vorname = "TestFirst", nachname = "TestLast", email = "a@b")))
+        val users = de.harheimertc.data.CmsUsersResponse(listOf(de.harheimertc.data.CmsUserDto(id = "1", email = "u@e", name = "U")))
+        coEvery { repo.config() } returns Result.success(config)
+        coEvery { repo.users() } returns Result.success(users)
+        coEvery { repo.contactRequests() } returns Result.success(emptyList())
+        coEvery { repo.newsletters() } returns Result.success(de.harheimertc.data.NewsletterListResponse())
+        coEvery { repo.newsletterGroups() } returns Result.success(de.harheimertc.data.NewsletterGroupsResponse())
+        coEvery { repo.news() } returns Result.success(de.harheimertc.data.NewsResponse(success = true, news = listOf(de.harheimertc.data.NewsDto(id = 5, title = "T", content = "C"))))
+        coEvery { repo.passwordResetDiagnostics(any(), any()) } returns Result.success(de.harheimertc.data.PasswordResetDiagnosticsResponse())
+        coEvery { repo.vereinsmeisterschaften() } returns Result.success(emptyList())
+
+        val vm = CmsViewModel(repo)
+        // advance init launched coroutine
+        dispatcher.scheduler.advanceUntilIdle()
+
+        val state = vm.state.value
+        assertEquals(false, state.loading)
+        assertEquals("TestFirst", state.config?.website?.verantwortlicher?.vorname)
+        assertEquals(1, state.users.size)
+    }
+
+    @Test
+    fun saveConfig_success_updatesState() = runTest {
+        val repo = mockk<de.harheimertc.repositories.CmsRepository>()
+        val cfg = de.harheimertc.data.ConfigResponse(website = de.harheimertc.data.WebsiteDto(verantwortlicher = de.harheimertc.data.WebsiteResponsibleDto(vorname = "X")))
+        // stub load() calls during ViewModel init
+        coEvery { repo.config() } returns Result.success(cfg)
+        coEvery { repo.users() } returns Result.success(de.harheimertc.data.CmsUsersResponse())
+        coEvery { repo.contactRequests() } returns Result.success(emptyList())
+        coEvery { repo.newsletters() } returns Result.success(de.harheimertc.data.NewsletterListResponse())
+        coEvery { repo.newsletterGroups() } returns Result.success(de.harheimertc.data.NewsletterGroupsResponse())
+        coEvery { repo.news() } returns Result.success(de.harheimertc.data.NewsResponse(success = true, news = listOf()))
+        coEvery { repo.passwordResetDiagnostics(any(), any()) } returns Result.success(de.harheimertc.data.PasswordResetDiagnosticsResponse())
+        coEvery { repo.vereinsmeisterschaften() } returns Result.success(emptyList())
+        coEvery { repo.saveConfig(any()) } returns Result.success(cfg)
+        coEvery { repo.saveNews(any()) } returns Result.success(de.harheimertc.data.AuthMessageResponse(success = true, message = "ok"))
+        val vm = CmsViewModel(repo)
+
+        // wait for init/load to finish before saving to avoid race
+        dispatcher.scheduler.advanceUntilIdle()
+
+        vm.saveConfig(cfg)
+        dispatcher.scheduler.advanceUntilIdle()
+
+        val state = vm.state.value
+        assertEquals(false, state.saving)
+        assertEquals("Inhalt gespeichert.", state.message)
+        assertEquals("X", state.config?.website?.verantwortlicher?.vorname)
+
+    }
+
+    @Test
+    fun saveNews_success_updatesState() = runTest {
+        val repo = mockk<de.harheimertc.repositories.CmsRepository>()
+        val cfg = de.harheimertc.data.ConfigResponse(website = de.harheimertc.data.WebsiteDto(verantwortlicher = de.harheimertc.data.WebsiteResponsibleDto(vorname = "X")))
+        coEvery { repo.config() } returns Result.success(cfg)
+        coEvery { repo.users() } returns Result.success(de.harheimertc.data.CmsUsersResponse())
+        coEvery { repo.contactRequests() } returns Result.success(emptyList())
+        coEvery { repo.newsletters() } returns Result.success(de.harheimertc.data.NewsletterListResponse())
+        coEvery { repo.newsletterGroups() } returns Result.success(de.harheimertc.data.NewsletterGroupsResponse())
+        coEvery { repo.news() } returns Result.success(de.harheimertc.data.NewsResponse(success = true, news = listOf()))
+        coEvery { repo.passwordResetDiagnostics(any(), any()) } returns Result.success(de.harheimertc.data.PasswordResetDiagnosticsResponse())
+        coEvery { repo.vereinsmeisterschaften() } returns Result.success(emptyList())
+        coEvery { repo.saveNews(any()) } returns Result.success(de.harheimertc.data.AuthMessageResponse(success = true, message = "saved"))
+
+        val vm = CmsViewModel(repo)
+        dispatcher.scheduler.advanceUntilIdle()
+
+        vm.saveNews(de.harheimertc.data.NewsSaveRequest(id = null, title = "t", content = "c"))
+        dispatcher.scheduler.advanceUntilIdle()
+
+        val state = vm.state.value
+        assertEquals(false, state.saving)
+        assertEquals("saved", state.message)
+    }
+
+    @Test
+    fun updateUserRoles_updatesUsersAndMessage() = runTest {
+        val repo = mockk<de.harheimertc.repositories.CmsRepository>()
+        val cfg = de.harheimertc.data.ConfigResponse(website = de.harheimertc.data.WebsiteDto(verantwortlicher = de.harheimertc.data.WebsiteResponsibleDto(vorname = "X")))
+        coEvery { repo.config() } returns Result.success(cfg)
+        coEvery { repo.users() } returns Result.success(de.harheimertc.data.CmsUsersResponse(listOf(de.harheimertc.data.CmsUserDto(id = "1", email = "u@e", name = "U", roles = listOf("mitglied")))))
+        coEvery { repo.contactRequests() } returns Result.success(emptyList())
+        coEvery { repo.newsletters() } returns Result.success(de.harheimertc.data.NewsletterListResponse())
+        coEvery { repo.newsletterGroups() } returns Result.success(de.harheimertc.data.NewsletterGroupsResponse())
+        coEvery { repo.news() } returns Result.success(de.harheimertc.data.NewsResponse(success = true, news = listOf()))
+        coEvery { repo.passwordResetDiagnostics(any(), any()) } returns Result.success(de.harheimertc.data.PasswordResetDiagnosticsResponse())
+        coEvery { repo.vereinsmeisterschaften() } returns Result.success(emptyList())
+
+        coEvery { repo.updateUserRoles(any(), any()) } returns Result.success(de.harheimertc.data.AuthMessageResponse(success = true, message = "roles updated"))
+        coEvery { repo.users() } returns Result.success(de.harheimertc.data.CmsUsersResponse(listOf(de.harheimertc.data.CmsUserDto(id = "1", email = "u@e", name = "U", roles = listOf("admin", "vorstand")))))
+
+        val vm = CmsViewModel(repo)
+        dispatcher.scheduler.advanceUntilIdle()
+
+        vm.updateUserRoles("1", listOf("admin", "vorstand"))
+        dispatcher.scheduler.advanceUntilIdle()
+
+        val state = vm.state.value
+        assertEquals(false, state.saving)
+        assertEquals("roles updated", state.message)
+        assertEquals(listOf("admin", "vorstand"), state.users.first().roles)
+    }
+
+    @Test
+    fun setUserActive_updatesUsersAndMessage() = runTest {
+        val repo = mockk<de.harheimertc.repositories.CmsRepository>()
+        val cfg = de.harheimertc.data.ConfigResponse(website = de.harheimertc.data.WebsiteDto(verantwortlicher = de.harheimertc.data.WebsiteResponsibleDto(vorname = "X")))
+        coEvery { repo.config() } returns Result.success(cfg)
+        coEvery { repo.users() } returns Result.success(de.harheimertc.data.CmsUsersResponse(listOf(de.harheimertc.data.CmsUserDto(id = "2", email = "v@e", name = "V", active = true))))
+        coEvery { repo.contactRequests() } returns Result.success(emptyList())
+        coEvery { repo.newsletters() } returns Result.success(de.harheimertc.data.NewsletterListResponse())
+        coEvery { repo.newsletterGroups() } returns Result.success(de.harheimertc.data.NewsletterGroupsResponse())
+        coEvery { repo.news() } returns Result.success(de.harheimertc.data.NewsResponse(success = true, news = listOf()))
+        coEvery { repo.passwordResetDiagnostics(any(), any()) } returns Result.success(de.harheimertc.data.PasswordResetDiagnosticsResponse())
+        coEvery { repo.vereinsmeisterschaften() } returns Result.success(emptyList())
+
+        coEvery { repo.updateUserActive(any(), any()) } returns Result.success(de.harheimertc.data.AuthMessageResponse(success = true, message = "user updated"))
+        coEvery { repo.users() } returns Result.success(de.harheimertc.data.CmsUsersResponse(listOf(de.harheimertc.data.CmsUserDto(id = "2", email = "v@e", name = "V", active = false))))
+
+        val vm = CmsViewModel(repo)
+        dispatcher.scheduler.advanceUntilIdle()
+
+        vm.setUserActive("2", false)
+        dispatcher.scheduler.advanceUntilIdle()
+
+        val state = vm.state.value
+        assertEquals(false, state.saving)
+        assertEquals("user updated", state.message)
+        assertEquals(false, state.users.first().active)
+    }
+
+    @Test
+    fun resendInvite_setsMessageOnSuccess() = runTest {
+        val repo = mockk<de.harheimertc.repositories.CmsRepository>()
+        val cfg = de.harheimertc.data.ConfigResponse(website = de.harheimertc.data.WebsiteDto(verantwortlicher = de.harheimertc.data.WebsiteResponsibleDto(vorname = "X")))
+        coEvery { repo.config() } returns Result.success(cfg)
+        coEvery { repo.users() } returns Result.success(de.harheimertc.data.CmsUsersResponse())
+        coEvery { repo.contactRequests() } returns Result.success(emptyList())
+        coEvery { repo.newsletters() } returns Result.success(de.harheimertc.data.NewsletterListResponse())
+        coEvery { repo.newsletterGroups() } returns Result.success(de.harheimertc.data.NewsletterGroupsResponse())
+        coEvery { repo.news() } returns Result.success(de.harheimertc.data.NewsResponse(success = true, news = listOf()))
+        coEvery { repo.passwordResetDiagnostics(any(), any()) } returns Result.success(de.harheimertc.data.PasswordResetDiagnosticsResponse())
+        coEvery { repo.vereinsmeisterschaften() } returns Result.success(emptyList())
+
+        coEvery { repo.resendInvite(any()) } returns Result.success(de.harheimertc.data.AuthMessageResponse(success = true, message = "invite sent"))
+
+        val vm = CmsViewModel(repo)
+        dispatcher.scheduler.advanceUntilIdle()
+
+        vm.resendInvite("10")
+        dispatcher.scheduler.advanceUntilIdle()
+
+        val state = vm.state.value
+        assertEquals(false, state.saving)
+        assertEquals("invite sent", state.message)
+    }
+}
--- a/android-app/app/src/test/java/de/harheimertc/ui/screens/gallery/GalleryViewModelTest.kt
+++ b/android-app/app/src/test/java/de/harheimertc/ui/screens/gallery/GalleryViewModelTest.kt
@@ -0,0 +1,64 @@
+package de.harheimertc.ui.screens.gallery
+
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.runTest
+import kotlinx.coroutines.test.setMain
+import io.mockk.coEvery
+import io.mockk.mockk
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import android.net.Uri
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class GalleryViewModelTest {
+    private val dispatcher = StandardTestDispatcher()
+
+    @Before
+    fun setUp() {
+        Dispatchers.setMain(dispatcher)
+    }
+
+    @After
+    fun tearDown() {
+        Dispatchers.resetMain()
+    }
+
+    @Test
+    fun load_setsImagesAndCanUpload() = runTest {
+        val galleryRepo = mockk<de.harheimertc.repositories.GalleryRepository>()
+        val loginRepo = mockk<de.harheimertc.repositories.LoginRepository>()
+        val page = de.harheimertc.repositories.GalleryPage(images = listOf(de.harheimertc.repositories.GalleryImage(id = "1", title = "T", description = "D", isPublic = true, uploadedAt = null, previewUrl = "p", imageUrl = "u")), pagination = de.harheimertc.data.GalleryPaginationDto())
+        coEvery { galleryRepo.fetchImages() } returns Result.success(page)
+        coEvery { loginRepo.status() } returns Result.success(de.harheimertc.data.AuthStatusResponse(isLoggedIn = true, roles = listOf("admin")))
+
+        val vm = GalleryViewModel(galleryRepo, loginRepo)
+        vm.load()
+        dispatcher.scheduler.advanceUntilIdle()
+
+        assertEquals(1, vm.images.value.size)
+        assertEquals(true, vm.canUpload.value)
+        assertEquals(false, vm.loading.value)
+    }
+
+    @Test
+    fun upload_callsUploadAndReloads() = runTest {
+        val galleryRepo = mockk<de.harheimertc.repositories.GalleryRepository>()
+        val loginRepo = mockk<de.harheimertc.repositories.LoginRepository>()
+        coEvery { galleryRepo.uploadImage(any(), any(), any(), any()) } returns Result.success(Unit)
+        coEvery { galleryRepo.fetchImages() } returns Result.success(de.harheimertc.repositories.GalleryPage(images = emptyList(), pagination = de.harheimertc.data.GalleryPaginationDto()))
+        coEvery { loginRepo.status() } returns Result.success(de.harheimertc.data.AuthStatusResponse())
+
+        val vm = GalleryViewModel(galleryRepo, loginRepo)
+        val testUri = mockk<Uri>()
+        vm.upload(testUri, "t", "d", true)
+        dispatcher.scheduler.advanceUntilIdle()
+
+        assertEquals(false, vm.uploading.value)
+        assertEquals("Bild erfolgreich hochgeladen.", vm.message.value)
+    }
+}
--- a/android-app/app/src/test/java/de/harheimertc/ui/screens/login/LoginViewModelTest.kt
+++ b/android-app/app/src/test/java/de/harheimertc/ui/screens/login/LoginViewModelTest.kt
@@ -0,0 +1,75 @@
+package de.harheimertc.ui.screens.login
+
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.runTest
+import kotlinx.coroutines.test.setMain
+import io.mockk.coEvery
+import io.mockk.mockk
+import com.squareup.moshi.Moshi
+import retrofit2.Response
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+
+// Fake implementations to avoid network/Hilt in unit tests
+// Simple stubs to avoid importing the real repositories and Hilt wiring in tests
+// Use mockk to mock the repositories directly for unit testing
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class LoginViewModelTest {
+    private val dispatcher = StandardTestDispatcher()
+
+    @Before
+    fun setUp() {
+        Dispatchers.setMain(dispatcher)
+    }
+
+    @After
+    fun tearDown() {
+        Dispatchers.resetMain()
+    }
+
+    @Test
+    fun login_showsFieldErrors_whenInvalidInput() = runTest {
+        val repo = mockk<de.harheimertc.repositories.LoginRepository>()
+        val passkeyRepo = mockk<de.harheimertc.repositories.PasskeyRepository>()
+        coEvery { repo.status() } returns Result.success(de.harheimertc.data.AuthStatusResponse())
+        val vm = LoginViewModel(repo, passkeyRepo)
+
+        vm.setEmail("invalid-email")
+        vm.setPassword("")
+        vm.login()
+
+        val state = vm.state.value
+        assertEquals(true, state.fieldErrors.containsKey("email"))
+        assertEquals(true, state.fieldErrors.containsKey("password"))
+        assertEquals("Bitte prüfen Sie die markierten Felder.", state.error)
+    }
+
+    @Test
+    fun login_success_updatesState() = runTest {
+        val loginResp = de.harheimertc.data.LoginResponse(user = de.harheimertc.data.AuthUserDto(name = "Max Mustermann", email = "max@ex.de", roles = listOf("user")))
+        val repo = mockk<de.harheimertc.repositories.LoginRepository>()
+        val passkeyRepo = mockk<de.harheimertc.repositories.PasskeyRepository>()
+        coEvery { repo.login(any(), any()) } returns Result.success(loginResp)
+        coEvery { repo.status() } returns Result.success(de.harheimertc.data.AuthStatusResponse())
+        val vm = LoginViewModel(repo, passkeyRepo)
+
+        vm.setEmail("max@ex.de")
+        vm.setPassword("secret")
+        vm.login()
+
+        // advance until coroutines complete
+        dispatcher.scheduler.advanceUntilIdle()
+
+        val state = vm.state.value
+        assertEquals(true, state.loggedIn)
+        assertEquals("Max Mustermann", state.userName)
+        assertEquals(false, state.loading)
+        assertEquals("Anmeldung erfolgreich.", state.message)
+    }
+}
--- a/android-app/build/reports/problems/problems-report.html
+++ b/android-app/build/reports/problems/problems-report.html
--- a/android-app/device_screenshot.png
+++ b/android-app/device_screenshot.png
--- a/android-app/device_screenshot_after_back.png
+++ b/android-app/device_screenshot_after_back.png
--- a/android-app/gradle.properties
+++ b/android-app/gradle.properties
@@ -1,3 +1,24 @@
 # Using AGP 9.2.1 defaults
 org.gradle.jvmargs=-Xmx2048m -XX:MaxMetaspaceSize=512m -Dfile.encoding=UTF-8
 org.gradle.workers.max=2
+# Local API base URL for running the app from Android Studio / Gradle
+LOCAL_API_BASE_URL=https://harheimertc.tsschulz.de/
+
+# Production backend for Play Store build variant
+PRODUCTION_API_BASE_URL=https://harheimertc.de/
+
+# Android app versioning for Play Store uploads
+ANDROID_VERSION_CODE=4
+ANDROID_VERSION_NAME=1.0.0
+
+# Enable R8 for release by default so mapping.txt is generated for Play Console.
+RELEASE_MINIFY_ENABLED=true
+
+# Release signing (set in local, untracked gradle.properties or via CI secrets)
+# RELEASE_STORE_FILE=/absolute/path/to/keystore.jks
+# RELEASE_STORE_PASSWORD=***
+# RELEASE_KEY_ALIAS=***
+# RELEASE_KEY_PASSWORD=***
+
+# Build and collect Play Store upload artifacts:
+# ./gradlew :app:collectPlayStoreArtifacts
--- a/android-app/member_screen.png
+++ b/android-app/member_screen.png
--- a/android-app/playstore-assets/generated/playstore-feature-graphic-1024x500.png
+++ b/android-app/playstore-assets/generated/playstore-feature-graphic-1024x500.png
--- a/android-app/playstore-assets/generated/playstore-icon-512.png
+++ b/android-app/playstore-assets/generated/playstore-icon-512.png
--- a/Show More
+++ b/Show More