feat: replace success modal with non-blocking toast notification

feat: add global event listener for mannschaften updates in Navigation component

feat: notify app of mannschaften changes after CSV save and handle visibility changes

refactor: remove unused anlagen page

fix: update CmsMannschaften reference in sportbetrieb page for reactivity

fix: enhance authentication token retrieval in passkey API endpoints

feat: implement refresh session and access token generation for Android clients in passkey login

fix: unify token retrieval method across passkey API endpoints

feat: add MediaTypes utility for JSON content type in Android app

feat: create PasskeyRepository for handling passkey authentication and registration in Android app

feat: add validated text field and rich text components for Android UI

feat: implement newsletter subscription and unsubscription screens in Android app

feat: create public pages including Impressum with dynamic content loading

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
@@ -69,14 +69,13 @@ 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`
@@ -109,10 +108,19 @@ Kurz: Ziel ist eine native Android-App mit Kotlin + Jetpack Compose, die die Web
      - [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
+ [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
  [ ] 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
+ [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
+     - [ ] Rich-Text-Editor für CMS-Bearbeitung als WebView-Bridge prüfen, falls CMS-Editieren nativ ausgebaut wird
+ [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
  [ ] 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
@@ -135,7 +143,7 @@ Kurz: Ziel ist eine native Android-App mit Kotlin + Jetpack Compose, die die Web
 
 6) Nächste Aktionen (sofort)
 - Web-Login bei Bedarf auf denselben Refresh-Flow migrieren; bis dahin bleiben Web-Cookie-Sitzungen bewusst kompatibel.
-- Passkey-Anmeldung über Android Credential Manager anbinden.
+- 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.
 - Weitere Mitgliederbereich/CMS-Screens portieren; dabei rollenabhängige `Intern`-Navigation und Bearer-Unterstützung der jeweils verwendeten Backend-Endpunkte ergänzen.
@@ -162,6 +170,9 @@ Kurz: Ziel ist eine native Android-App mit Kotlin + Jetpack Compose, die die Web
 - 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.
 
 8) Android-Testumgebungen
 - Lokal im Emulator: `./gradlew :app:installLocalDebug` verwendet `http://10.0.2.2:3100/` und die App-ID `de.harheimertc.local`.

android-app/app/build.gradle.kts

@@ -94,6 +94,10 @@ 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")
 

android-app/app/src/main/java/de/harheimertc/data/ApiService.kt

@@ -10,6 +10,7 @@ import retrofit2.http.Query
 import retrofit2.http.Url
 import retrofit2.http.Streaming
 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)
@@ -155,6 +156,26 @@ data class AuthStatusResponse(
 )
 data class ResetPasswordRequest(val email: String)
 data class AuthMessageResponse(val success: Boolean = false, val message: String? = null)
+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,
@@ -455,6 +476,24 @@ 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>
 

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()
+}

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
+            }
+        }
+}

android-app/app/src/main/java/de/harheimertc/ui/components/AppNavigationHeader.kt

@@ -228,6 +228,7 @@ 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,
@@ -240,7 +241,10 @@ 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,
@@ -271,6 +275,7 @@ 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),
@@ -287,6 +292,7 @@ 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))

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}"))
+

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)
+        },
+    )
+}
+

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")

android-app/app/src/main/java/de/harheimertc/ui/navigation/NavGraph.kt

@@ -15,7 +15,6 @@ 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(
@@ -90,12 +89,27 @@ 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 +117,13 @@ 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 +142,9 @@ 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 +169,48 @@ 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()
@@ -181,6 +239,15 @@ 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) {
                     de.harheimertc.ui.screens.memberarea.MemberAreaScreen(
                         navController = navController,

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")
             }

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
+    }
 }

android-app/app/src/main/java/de/harheimertc/ui/screens/home/HomeScreen.kt

@@ -52,6 +52,7 @@ import de.harheimertc.data.NewsDto
 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
@@ -83,7 +84,7 @@ 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") } },
         )
     }
@@ -221,13 +222,7 @@ 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)
                 }
             }
         }

android-app/app/src/main/java/de/harheimertc/ui/screens/login/LoginScreen.kt

@@ -25,6 +25,7 @@ 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
@@ -33,6 +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
@@ -46,6 +48,7 @@ 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) {
@@ -92,26 +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?")
                         }

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()

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)) })

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.")
+    }
 }

android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaDetailScreens.kt

@@ -28,6 +28,7 @@ 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
@@ -179,7 +180,7 @@ private fun NewsCard(item: NewsDto) {
                     if (item.isHidden) Badge("Ausgeblendet")
                 }
             }
-            Text(item.content, color = Accent700)
+            RichText(item.content)
         }
     }
 }

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)) }
     }
 }
 

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")
     }
 }

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)
+            }
+        }
+    }
+}

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.") }
+        }
+    }
+}

android-app/app/src/main/java/de/harheimertc/ui/screens/profile/ProfileScreen.kt

@@ -17,6 +17,7 @@ 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
@@ -27,6 +28,7 @@ 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
@@ -35,6 +37,7 @@ 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
@@ -45,6 +48,7 @@ fun ProfileScreen(
 ) {
     val state by viewModel.state.collectAsState()
     val form = state.form
+    val context = LocalContext.current
 
     LazyColumn(
         modifier = Modifier.fillMaxSize().background(Color(0xFFFAFAFA)),
@@ -70,35 +74,34 @@ fun ProfileScreen(
         } else {
             item {
                 ProfileCard("Persönliche Daten") {
-                    OutlinedTextField(
+                    ValidatedTextField(
                         value = form.name,
                         onValueChange = { viewModel.update(form.copy(name = it)) },
-                        label = { Text("Name") },
+                        label = "Name",
+                        error = state.fieldErrors["name"],
                         singleLine = true,
-                        modifier = Modifier.fillMaxWidth(),
                     )
-                    OutlinedTextField(
+                    ValidatedTextField(
                         value = form.email,
                         onValueChange = { viewModel.update(form.copy(email = it)) },
-                        label = { Text("E-Mail") },
+                        label = "E-Mail",
+                        error = state.fieldErrors["email"],
                         keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Email),
                         singleLine = true,
-                        modifier = Modifier.fillMaxWidth(),
                     )
-                    OutlinedTextField(
+                    ValidatedTextField(
                         value = form.phone,
                         onValueChange = { viewModel.update(form.copy(phone = it)) },
-                        label = { Text("Telefon") },
+                        label = "Telefon",
                         keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Phone),
                         singleLine = true,
-                        modifier = Modifier.fillMaxWidth(),
                     )
-                    OutlinedTextField(
+                    ValidatedTextField(
                         value = form.birthDate,
                         onValueChange = { viewModel.update(form.copy(birthDate = it)) },
-                        label = { Text("Geburtsdatum (JJJJ-MM-TT)") },
+                        label = "Geburtsdatum (JJJJ-MM-TT)",
+                        error = state.fieldErrors["birthDate"],
                         singleLine = true,
-                        modifier = Modifier.fillMaxWidth(),
                     )
                 }
             }
@@ -114,34 +117,71 @@ fun ProfileScreen(
 
             item {
                 ProfileCard("Passwort ändern") {
-                    OutlinedTextField(
+                    ValidatedTextField(
                         value = form.currentPassword,
                         onValueChange = { viewModel.update(form.copy(currentPassword = it)) },
-                        label = { Text("Aktuelles Passwort") },
+                        label = "Aktuelles Passwort",
+                        error = state.fieldErrors["currentPassword"],
                         visualTransformation = PasswordVisualTransformation(),
                         singleLine = true,
-                        modifier = Modifier.fillMaxWidth(),
                     )
-                    OutlinedTextField(
+                    ValidatedTextField(
                         value = form.newPassword,
                         onValueChange = { viewModel.update(form.copy(newPassword = it)) },
-                        label = { Text("Neues Passwort") },
+                        label = "Neues Passwort",
+                        error = state.fieldErrors["newPassword"],
                         visualTransformation = PasswordVisualTransformation(),
                         singleLine = true,
-                        modifier = Modifier.fillMaxWidth(),
                     )
-                    OutlinedTextField(
+                    ValidatedTextField(
                         value = form.confirmPassword,
                         onValueChange = { viewModel.update(form.copy(confirmPassword = it)) },
-                        label = { Text("Neues Passwort wiederholen") },
+                        label = "Neues Passwort wiederholen",
+                        error = state.fieldErrors["confirmPassword"],
                         visualTransformation = PasswordVisualTransformation(),
                         singleLine = true,
-                        modifier = Modifier.fillMaxWidth(),
                     )
                     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,

android-app/app/src/main/java/de/harheimertc/ui/screens/profile/ProfileViewModel.kt

@@ -1,11 +1,16 @@
 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
@@ -27,8 +32,11 @@ data class ProfileFormState(
 
 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,
 )
@@ -36,6 +44,7 @@ data class ProfileUiState(
 @HiltViewModel
 class ProfileViewModel @Inject constructor(
     private val repository: ProfileRepository,
+    private val passkeyRepository: PasskeyRepository,
 ) : ViewModel() {
     private val _state = MutableStateFlow(ProfileUiState())
     val state: StateFlow<ProfileUiState> = _state
@@ -64,6 +73,7 @@ class ProfileViewModel @Inject constructor(
                             showBirthday = visibility.showBirthday,
                         ),
                     )
+                    loadPasskeys()
                 }
                 .onFailure {
                     _state.value = _state.value.copy(
@@ -74,28 +84,80 @@ class ProfileViewModel @Inject constructor(
         }
     }
 
+    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, error = null, message = null)
+        _state.value = _state.value.copy(form = form, fieldErrors = emptyMap(), error = null, message = null)
     }
 
     fun save() {
         val form = _state.value.form
-        val validationError = when {
-            form.name.isBlank() || form.email.isBlank() -> "Name und E-Mail sind erforderlich."
-            !form.email.contains("@") -> "Bitte eine gültige E-Mail-Adresse eingeben."
-            form.currentPassword.isNotBlank() || form.newPassword.isNotBlank() || form.confirmPassword.isNotBlank() -> {
-                when {
-                    form.currentPassword.isBlank() -> "Bitte geben Sie Ihr aktuelles Passwort ein."
-                    form.newPassword.isBlank() -> "Bitte geben Sie ein neues Passwort ein."
-                    form.newPassword != form.confirmPassword -> "Die neuen Passwörter stimmen nicht überein."
-                    form.newPassword.length < 6 -> "Das neue Passwort muss mindestens 6 Zeichen lang sein."
-                    else -> null
-                }
+        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.")
             }
-            else -> null
         }
-        if (validationError != null) {
-            _state.value = _state.value.copy(error = validationError, message = null)
+        if (fieldErrors.isNotEmpty()) {
+            _state.value = _state.value.copy(fieldErrors = fieldErrors, error = "Bitte prüfen Sie die markierten Felder.", message = null)
             return
         }
 
@@ -117,6 +179,7 @@ class ProfileViewModel @Inject constructor(
                     newPassword = form.newPassword.takeIf(String::isNotBlank),
                 ),
             ).onSuccess { response ->
+                val current = _state.value
                 val next = response.user
                 val visibility = next?.visibility ?: ProfileVisibilityDto(
                     form.showEmail,
@@ -127,6 +190,8 @@ class ProfileViewModel @Inject constructor(
                 _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(),

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" }
+}

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) {

components/Facilities.vue

@@ -1,113 +0,0 @@
-<template>
-  <section
-    id="facilities"
-    class="py-16 sm:py-20 bg-white"
-  >
-    <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
-      <div class="text-center mb-16">
-        <h2 class="text-4xl sm:text-5xl font-display font-bold text-gray-900 mb-4">
-          Unsere Anlagen
-        </h2>
-        <div class="w-24 h-1 bg-primary-600 mx-auto mb-6" />
-        <p class="text-xl text-gray-600 max-w-3xl mx-auto">
-          Moderne Ausstattung und erstklassige Einrichtungen für ein perfektes Tischtenniserlebnis
-        </p>
-      </div>
-
-      <div class="grid sm:grid-cols-2 lg:grid-cols-3 gap-8 mb-16">
-        <div
-          v-for="facility in facilities"
-          :key="facility.title"
-          class="group relative bg-white rounded-2xl shadow-lg hover:shadow-2xl transition-all duration-300 overflow-hidden border border-gray-100"
-        >
-          <div :class="['absolute top-0 left-0 right-0 h-1 bg-gradient-to-r opacity-0 group-hover:opacity-100 transition-opacity', facility.color]" />
-          <div class="p-8">
-            <div :class="['w-16 h-16 bg-gradient-to-br rounded-xl flex items-center justify-center mb-4 group-hover:scale-110 transition-transform', facility.color]">
-              <component
-                :is="facility.icon"
-                :size="32"
-                class="text-white"
-              />
-            </div>
-            <h3 class="text-2xl font-display font-bold text-gray-900 mb-3">
-              {{ facility.title }}
-            </h3>
-            <p class="text-gray-600 leading-relaxed">
-              {{ facility.description }}
-            </p>
-          </div>
-        </div>
-      </div>
-
-      <!-- Image Gallery -->
-      <div class="grid md:grid-cols-2 gap-6">
-        <div class="relative h-[300px] rounded-2xl overflow-hidden shadow-xl group">
-          <div 
-            class="w-full h-full bg-cover bg-center group-hover:scale-110 transition-transform duration-700"
-            style="background-image: url('https://images.unsplash.com/photo-1534438097545-77fef53fe2e8?q=80&w=2070')"
-          />
-          <div class="absolute inset-0 bg-gradient-to-t from-black/60 to-transparent flex items-end">
-            <p class="text-white font-semibold text-xl p-6">
-              Hochwertige Wettkampftische
-            </p>
-          </div>
-        </div>
-        <div class="relative h-[300px] rounded-2xl overflow-hidden shadow-xl group">
-          <div 
-            class="w-full h-full bg-cover bg-center group-hover:scale-110 transition-transform duration-700"
-            style="background-image: url('https://images.unsplash.com/photo-1611004275469-8583ed5d7b8d?q=80&w=2070')"
-          />
-          <div class="absolute inset-0 bg-gradient-to-t from-black/60 to-transparent flex items-end">
-            <p class="text-white font-semibold text-xl p-6">
-              Moderne Tischtennishalle
-            </p>
-          </div>
-        </div>
-      </div>
-    </div>
-  </section>
-</template>
-
-<script setup>
-import { Sun, CloudRain, Dumbbell, Utensils, Wifi, Droplets } from 'lucide-vue-next'
-
-const facilities = [
-  {
-    icon: Sun,
-    title: '8 Tischtennisplatten',
-    description: 'Hochwertige Wettkampftische für optimales Spielvergnügen',
-    color: 'from-yellow-400 to-orange-500',
-  },
-  {
-    icon: CloudRain,
-    title: 'Klimatisierte Halle',
-    description: 'Optimale Bedingungen bei jedem Wetter in unserer modernen Halle',
-    color: 'from-blue-400 to-blue-600',
-  },
-  {
-    icon: Dumbbell,
-    title: 'Trainingsbereich',
-    description: 'Ballmaschinen und Trainingsgeräte für gezieltes Training',
-    color: 'from-red-400 to-red-600',
-  },
-  {
-    icon: Utensils,
-    title: 'Clubhaus',
-    description: 'Gemütliches Clubhaus mit Aufenthaltsraum und Küche',
-    color: 'from-green-400 to-green-600',
-  },
-  {
-    icon: Wifi,
-    title: 'Kostenloses WLAN',
-    description: 'Schnelles Internet auf der gesamten Anlage',
-    color: 'from-purple-400 to-purple-600',
-  },
-  {
-    icon: Droplets,
-    title: 'Umkleiden & Duschen',
-    description: 'Moderne, saubere Umkleideräume mit Duschen',
-    color: 'from-cyan-400 to-cyan-600',
-  },
-]
-</script>
-

components/ModalDialog.vue

@@ -1,43 +1,14 @@
 <template>
-  <!-- Success Modal -->
+  <!-- Success Toast (bottom) -->
   <div
-    v-if="showSuccess"
-    class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4"
-    @click.self="closeSuccess"
+    v-if="showSuccessToast"
+    class="fixed left-0 right-0 mx-auto max-w-3xl z-50 pointer-events-none"
+    style="bottom:72px;"
   >
-    <div class="bg-white rounded-lg max-w-md w-full p-6">
-      <div class="flex items-center mb-4">
-        <div class="flex-shrink-0 w-10 h-10 mx-auto bg-green-100 rounded-full flex items-center justify-center">
-          <svg
-            class="w-6 h-6 text-green-600"
-            fill="none"
-            stroke="currentColor"
-            viewBox="0 0 24 24"
-          >
-            <path
-              stroke-linecap="round"
-              stroke-linejoin="round"
-              stroke-width="2"
-              d="M5 13l4 4L19 7"
-            />
-          </svg>
-        </div>
-      </div>
-      <div class="text-center">
-        <h3 class="text-lg font-medium text-gray-900 mb-2">
-          {{ successTitle }}
-        </h3>
-        <p class="text-sm text-gray-600 mb-6">
-          {{ successMessage }}
-        </p>
-        <div class="flex justify-center">
-          <button
-            class="px-6 py-2 bg-primary-600 hover:bg-primary-700 text-white rounded-lg transition-colors"
-            @click="closeSuccess"
-          >
-            OK
-          </button>
-        </div>
+    <div class="pointer-events-auto mx-4 shadow-lg rounded-md overflow-hidden">
+      <div class="px-4 py-3 bg-green-50 text-green-800 text-sm">
+        <div class="font-medium">{{ toastTitle }}</div>
+        <div class="mt-1">{{ toastMessage }}</div>
       </div>
     </div>
   </div>
@@ -138,14 +109,14 @@
 <script setup>
 import { ref } from 'vue'
 
-// Modal States
-const showSuccess = ref(false)
+// Modal / Toast States
+const showSuccessToast = ref(false)
 const showError = ref(false)
 const showConfirm = ref(false)
 
-// Modal Content
-const successTitle = ref('')
-const successMessage = ref('')
+// Modal / Toast Content
+const toastTitle = ref('')
+const toastMessage = ref('')
 const errorTitle = ref('')
 const errorMessage = ref('')
 const confirmTitle = ref('')
@@ -153,10 +124,14 @@ const confirmMessage = ref('')
 const confirmAction = ref(null)
 
 // Modal Functions
+let toastTimeout = null
 const showSuccessModal = (title, message) => {
-  successTitle.value = title
-  successMessage.value = message
-  showSuccess.value = true
+  // Show non-blocking toast at bottom instead of modal dialog
+  toastTitle.value = title || 'Erfolg'
+  toastMessage.value = message || ''
+  showSuccessToast.value = true
+  if (toastTimeout) clearTimeout(toastTimeout)
+  toastTimeout = setTimeout(() => { showSuccessToast.value = false; toastTimeout = null }, 3500)
 }
 
 const showErrorModal = (title, message) => {
@@ -173,7 +148,8 @@ const showConfirmModal = (title, message, action) => {
 }
 
 const closeSuccess = () => {
-  showSuccess.value = false
+  showSuccessToast.value = false
+  if (toastTimeout) { clearTimeout(toastTimeout); toastTimeout = null }
 }
 
 const closeError = () => {

components/Navigation.vue

@@ -989,10 +989,17 @@ onMounted(() => {
 
   // Close CMS dropdown when clicking outside
   document.addEventListener('click', handleDocumentClick)
+  // Listen for global updates to mannschaften (e.g., CMS saved)
+  if (typeof window !== 'undefined') {
+    window.addEventListener('mannschaften:changed', loadMannschaften)
+  }
 })
 
 onUnmounted(() => {
   document.removeEventListener('click', handleDocumentClick)
+  if (typeof window !== 'undefined') {
+    window.removeEventListener('mannschaften:changed', loadMannschaften)
+  }
 })
 
 const toggleSubmenu = (menu) => {

components/cms/CmsMannschaften.vue

@@ -404,7 +404,7 @@
 </template>
 
 <script setup>
-import { ref, onMounted, computed } from 'vue'
+import { ref, onMounted, computed, onUnmounted } from 'vue'
 import { Plus, Trash2, Loader2, AlertCircle, Pencil, Users, ChevronUp, ChevronDown, ArrowRight } from 'lucide-vue-next'
 
 const isLoading = ref(true)
@@ -591,6 +591,12 @@ const saveCSV = async () => {
       content: [header, ...rows].join('\n')
     }
   })
+  // Notify other parts of the app that mannschaften changed
+  try {
+    if (typeof window !== 'undefined') {
+      window.dispatchEvent(new CustomEvent('mannschaften:changed'))
+    }
+  } catch (e) { /* no-op */ }
 }
 
 const moveMannschaft = async (index, delta) => {
@@ -674,4 +680,30 @@ onMounted(async () => {
   await loadSeasons()
   await loadMannschaften().catch(() => {})
 })
+
+// Expose load function to parent components
+try { defineExpose({ loadMannschaften }) } catch (e) { /* noop if not supported in SSR context */ }
+
+// Reload when tab/window becomes visible or window gains focus
+const handleVisibilityOrFocus = () => {
+  try {
+    if (document.visibilityState === 'visible') {
+      loadMannschaften().catch(() => {})
+    }
+  } catch (e) {
+    // ignore
+  }
+}
+
+if (typeof window !== 'undefined') {
+  window.addEventListener('visibilitychange', handleVisibilityOrFocus)
+  window.addEventListener('focus', handleVisibilityOrFocus)
+}
+
+onUnmounted(() => {
+  if (typeof window !== 'undefined') {
+    window.removeEventListener('visibilitychange', handleVisibilityOrFocus)
+    window.removeEventListener('focus', handleVisibilityOrFocus)
+  }
+})
 </script>

pages/anlagen.vue

@@ -1,14 +0,0 @@
-<template>
-  <div class="min-h-screen">
-    <Facilities />
-  </div>
-</template>
-
-<script setup>
-import Facilities from '~/components/Facilities.vue'
-
-useHead({
-  title: 'Anlagen - Harheimer TC',
-})
-</script>
-

pages/cms/sportbetrieb.vue

@@ -33,7 +33,7 @@
       <!-- Tab Content -->
       <div>
         <CmsTermine v-if="activeTab === 'termine'" />
-        <CmsMannschaften v-if="activeTab === 'mannschaften'" />
+        <CmsMannschaften ref="cmsMannschaftenRef" v-if="activeTab === 'mannschaften'" />
         <CmsSpielplaene v-if="activeTab === 'spielplaene'" />
       </div>
     </div>
@@ -41,7 +41,7 @@
 </template>
 
 <script setup>
-import { ref } from 'vue'
+import { ref, watch } from 'vue'
 import CmsTermine from '~/components/cms/CmsTermine.vue'
 import CmsMannschaften from '~/components/cms/CmsMannschaften.vue'
 import CmsSpielplaene from '~/components/cms/CmsSpielplaene.vue'
@@ -56,6 +56,13 @@ useHead({
 })
 
 const activeTab = ref('termine')
+const cmsMannschaftenRef = ref(null)
+
+watch(activeTab, (v) => {
+  if (v === 'mannschaften' && cmsMannschaftenRef?.value?.loadMannschaften) {
+    try { cmsMannschaftenRef.value.loadMannschaften() } catch (e) { /* no-op */ }
+  }
+})
 
 const tabs = [
   { id: 'termine', label: 'Termine' },

server/api/auth/passkeys/list.get.js

@@ -1,7 +1,7 @@
 import { getUserFromToken } from '../../../utils/auth.js'
 
 export default defineEventHandler(async (event) => {
-  const token = getCookie(event, 'auth_token')
+  const token = getCookie(event, 'auth_token') || getHeader(event, 'authorization')?.replace(/^Bearer\s+/i, '')
   const user = token ? await getUserFromToken(token) : null
 
   if (!user) {
@@ -24,4 +24,3 @@ export default defineEventHandler(async (event) => {
   }
 })
 
-

server/api/auth/passkeys/login.post.js

@@ -1,5 +1,5 @@
 import { verifyAuthenticationResponse } from '@simplewebauthn/server'
-import { createSession, generateToken, migrateUserRoles, readUsers, writeUsers } from '../../../utils/auth.js'
+import { createRefreshSession, createSession, generateAndroidAccessToken, generateToken, migrateUserRoles, readUsers, writeUsers } from '../../../utils/auth.js'
 import { getWebAuthnConfig } from '../../../utils/webauthn-config.js'
 import { consumeAuthChallenge } from '../../../utils/webauthn-challenges.js'
 import { fromBase64Url, parseClientDataJSON } from '../../../utils/webauthn-encoding.js'
@@ -39,6 +39,7 @@ export default defineEventHandler(async (event) => {
 
   const ip = getClientIp(event)
   const body = await readBody(event)
+  const isAndroidClient = body?.client === 'android'
   const response = body?.credential
   if (!response) {
     throw createError({ statusCode: 400, statusMessage: 'Credential fehlt' })
@@ -105,10 +106,21 @@ export default defineEventHandler(async (event) => {
   passkey.lastUsedAt = new Date().toISOString()
   await writeUsers(users)
 
-  const token = generateToken(user)
-  await createSession(user.id, token)
+  let token
+  let refreshSession = null
+  if (isAndroidClient) {
+    refreshSession = await createRefreshSession(user.id, body?.deviceName || 'Harheimer TC Android-App')
+    token = generateAndroidAccessToken(user, refreshSession.session.id)
+  } else {
+    token = generateToken(user)
+    await createSession(user.id, token)
+  }
 
-  setCookie(event, 'auth_token', token, { ...getAuthCookieOptions() })
+  if (isAndroidClient) {
+    deleteCookie(event, 'auth_token')
+  } else {
+    setCookie(event, 'auth_token', token, { ...getAuthCookieOptions() })
+  }
 
   await writeAuditLog('auth.passkey.login.success', { ip, userId: user.id })
 
@@ -120,6 +132,9 @@ export default defineEventHandler(async (event) => {
   return {
     success: true,
     token,
+    accessToken: isAndroidClient ? token : undefined,
+    refreshToken: refreshSession?.refreshToken,
+    sessionId: refreshSession?.session.id,
     user: {
       id: user.id,
       email: user.email,
@@ -129,4 +144,3 @@ export default defineEventHandler(async (event) => {
     role: roles[0] || 'mitglied'
   }
 })
-

server/api/auth/passkeys/register.post.js

@@ -33,7 +33,7 @@ export default defineEventHandler(async (event) => {
     return { success: true }
   }
 
-  const token = getCookie(event, 'auth_token')
+  const token = getCookie(event, 'auth_token') || getHeader(event, 'authorization')?.replace(/^Bearer\s+/i, '')
   const user = token ? await getUserFromToken(token) : null
 
   if (!user) {
@@ -119,4 +119,3 @@ export default defineEventHandler(async (event) => {
   await writeAuditLog('auth.passkey.registered', { userId: user.id })
   return { success: true, message: 'Passkey hinzugefügt.' }
 })
-

server/api/auth/passkeys/registration-options.post.js

@@ -26,7 +26,7 @@ export default defineEventHandler(async (event) => {
     ? body.preferredAuthenticatorType
     : undefined
 
-  const token = getCookie(event, 'auth_token')
+  const token = getCookie(event, 'auth_token') || getHeader(event, 'authorization')?.replace(/^Bearer\s+/i, '')
   const user = token ? await getUserFromToken(token) : null
 
   if (!user) {
@@ -83,4 +83,3 @@ export default defineEventHandler(async (event) => {
   return { success: true, options }
 })
 
-

server/api/auth/passkeys/remove.post.js

@@ -2,7 +2,7 @@ import { getUserFromToken, readUsers, writeUsers } from '../../../utils/auth.js'
 import { writeAuditLog } from '../../../utils/audit-log.js'
 
 export default defineEventHandler(async (event) => {
-  const token = getCookie(event, 'auth_token')
+  const token = getCookie(event, 'auth_token') || getHeader(event, 'authorization')?.replace(/^Bearer\s+/i, '')
   const currentUser = token ? await getUserFromToken(token) : null
 
   if (!currentUser) {
@@ -36,4 +36,3 @@ export default defineEventHandler(async (event) => {
   }
 })
 
-