Refactor backend CORS settings to include default origins and improve error handling in chat services: Introduce dynamic CORS origin handling, enhance RabbitMQ message sending with fallback mechanisms, and update WebSocket service to manage pending messages. Update UI components for better accessibility and responsiveness, including adjustments to dialog and navigation elements. Enhance styling for improved user experience across various components.

This reverts commit 8c40144734.

.gitignore

@@ -5,6 +5,7 @@
 .depbe.sh
 node_modules
 node_modules/*
+**/package-lock.json
 backend/.env
 backend/images
 backend/images/*
@@ -17,3 +18,9 @@ frontend/dist
 frontend/dist/*
 frontedtree.txt
 backend/dist/
+backend/data/model-cache
+build
+build/*
+.vscode
+.vscode/*
+.clang-format

CHURCH_MODELS.md

@@ -0,0 +1,156 @@
+# Church Models - Übersicht für Daemon-Entwicklung
+
+## 1. ChurchOfficeType (falukant_type.church_office_type)
+
+**Schema:** `falukant_type`  
+**Tabelle:** `church_office_type`  
+**Zweck:** Definiert die verschiedenen Kirchenämter-Typen
+
+```javascript
+{
+  id: INTEGER (PK, auto-increment)
+  name: STRING (z.B. "pope", "cardinal", "lay-preacher")
+  seatsPerRegion: INTEGER (Anzahl verfügbarer Plätze pro Region)
+  regionType: STRING (z.B. "country", "duchy", "city")
+  hierarchyLevel: INTEGER (0-8, höhere Zahl = höhere Position)
+}
+```
+
+**Beziehungen:**
+- `hasMany` ChurchOffice (als `offices`)
+- `hasMany` ChurchApplication (als `applications`)
+- `hasMany` ChurchOfficeRequirement (als `requirements`)
+
+---
+
+## 2. ChurchOfficeRequirement (falukant_predefine.church_office_requirement)
+
+**Schema:** `falukant_predefine`  
+**Tabelle:** `church_office_requirement`  
+**Zweck:** Definiert Voraussetzungen für Kirchenämter
+
+```javascript
+{
+  id: INTEGER (PK, auto-increment)
+  officeTypeId: INTEGER (FK -> ChurchOfficeType.id)
+  prerequisiteOfficeTypeId: INTEGER (FK -> ChurchOfficeType.id, nullable)
+  minTitleLevel: INTEGER (nullable, optional)
+}
+```
+
+**Beziehungen:**
+- `belongsTo` ChurchOfficeType (als `officeType`)
+- `belongsTo` ChurchOfficeType (als `prerequisiteOfficeType`)
+
+---
+
+## 3. ChurchOffice (falukant_data.church_office)
+
+**Schema:** `falukant_data`  
+**Tabelle:** `church_office`  
+**Zweck:** Speichert tatsächlich besetzte Kirchenämter
+
+```javascript
+{
+  id: INTEGER (PK, auto-increment)
+  officeTypeId: INTEGER (FK -> ChurchOfficeType.id)
+  characterId: INTEGER (FK -> FalukantCharacter.id)
+  regionId: INTEGER (FK -> RegionData.id)
+  supervisorId: INTEGER (FK -> FalukantCharacter.id, nullable)
+  createdAt: DATE
+  updatedAt: DATE
+}
+```
+
+**Beziehungen:**
+- `belongsTo` ChurchOfficeType (als `type`)
+- `belongsTo` FalukantCharacter (als `holder`)
+- `belongsTo` FalukantCharacter (als `supervisor`)
+- `belongsTo` RegionData (als `region`)
+
+---
+
+## 4. ChurchApplication (falukant_data.church_application)
+
+**Schema:** `falukant_data`  
+**Tabelle:** `church_application`  
+**Zweck:** Speichert Bewerbungen für Kirchenämter
+
+```javascript
+{
+  id: INTEGER (PK, auto-increment)
+  officeTypeId: INTEGER (FK -> ChurchOfficeType.id)
+  characterId: INTEGER (FK -> FalukantCharacter.id)
+  regionId: INTEGER (FK -> RegionData.id)
+  supervisorId: INTEGER (FK -> FalukantCharacter.id)
+  status: ENUM('pending', 'approved', 'rejected')
+  decisionDate: DATE (nullable)
+  createdAt: DATE
+  updatedAt: DATE
+}
+```
+
+**Beziehungen:**
+- `belongsTo` ChurchOfficeType (als `officeType`)
+- `belongsTo` FalukantCharacter (als `applicant`)
+- `belongsTo` FalukantCharacter (als `supervisor`)
+- `belongsTo` RegionData (als `region`)
+
+---
+
+## Zusätzlich benötigte Models (für Daemon)
+
+### RegionData (falukant_data.region)
+- Wird für `regionId` in ChurchOffice und ChurchApplication benötigt
+- Enthält `regionType` (country, duchy, markgravate, shire, county, city)
+- Enthält `parentId` für Hierarchie
+
+### FalukantCharacter (falukant_data.character)
+- Wird für `characterId` (Inhaber/Bewerber) benötigt
+- Wird für `supervisorId` benötigt
+
+---
+
+## Wichtige Queries für Daemon
+
+### Verfügbare Positionen finden
+```sql
+SELECT cot.*, COUNT(co.id) as occupied_seats
+FROM falukant_type.church_office_type cot
+LEFT JOIN falukant_data.church_office co 
+  ON cot.id = co.office_type_id 
+  AND co.region_id = ?
+WHERE cot.region_type = ?
+GROUP BY cot.id
+HAVING COUNT(co.id) < cot.seats_per_region
+```
+
+### Supervisor finden
+```sql
+SELECT co.* 
+FROM falukant_data.church_office co
+JOIN falukant_type.church_office_type cot ON co.office_type_id = cot.id
+WHERE co.region_id = ?
+  AND cot.hierarchy_level > (
+    SELECT hierarchy_level 
+    FROM falukant_type.church_office_type 
+    WHERE id = ?
+  )
+ORDER BY cot.hierarchy_level ASC
+LIMIT 1
+```
+
+### Voraussetzungen prüfen
+```sql
+SELECT cor.*
+FROM falukant_predefine.church_office_requirement cor
+WHERE cor.office_type_id = ?
+```
+
+### Bewerbungen für Supervisor
+```sql
+SELECT ca.*
+FROM falukant_data.church_application ca
+WHERE ca.supervisor_id = ?
+  AND ca.status = 'pending'
+```

CHURCH_OFFICES.md

@@ -0,0 +1,78 @@
+# Kirchenämter - Hierarchie und Verfügbarkeit
+
+## Regionstypen
+- **country** (Land): Falukant
+- **duchy** (Herzogtum): Hessen
+- **markgravate** (Markgrafschaft): Groß-Benbach
+- **shire** (Grafschaft): Siebenbachen
+- **county** (Kreis): Bad Homburg, Maintal
+- **city** (Stadt): Frankfurt, Oberursel, Offenbach, Königstein
+
+## Kirchenämter (von höchstem zu niedrigstem Rang)
+
+| Amt | Translation Key | Hierarchie-Level | Regionstyp | Plätze pro Region | Beschreibung |
+|-----|----------------|-------------------|------------|-------------------|--------------|
+| **Papst** | `pope` | 8 | country | 1 | Höchstes Amt, nur einer im ganzen Land |
+| **Kardinal** | `cardinal` | 7 | country | 3 | Höchste Kardinäle, mehrere pro Land möglich |
+| **Erzbischof** | `archbishop` | 6 | duchy | 1 | Pro Herzogtum ein Erzbischof |
+| **Bischof** | `bishop` | 5 | markgravate | 1 | Pro Markgrafschaft ein Bischof |
+| **Erzdiakon** | `archdeacon` | 4 | shire | 1 | Pro Grafschaft ein Erzdiakon |
+| **Dekan** | `dean` | 3 | county | 1 | Pro Kreis ein Dekan |
+| **Pfarrer** | `parish-priest` | 2 | city | 1 | Pro Stadt ein Pfarrer |
+| **Dorfgeistlicher** | `village-priest` | 1 | city | 1 | Pro Stadt ein Dorfgeistlicher (Einstiegsposition) |
+| **Laienprediger** | `lay-preacher` | 0 | city | 3 | Pro Stadt mehrere Laienprediger (niedrigste Position) |
+
+## Verfügbare Positionen pro Regionstyp
+
+### country (Land: Falukant)
+- **Papst**: 1 Platz
+- **Kardinal**: 3 Plätze
+- **Gesamt**: 4 Plätze
+
+### duchy (Herzogtum: Hessen)
+- **Erzbischof**: 1 Platz
+- **Gesamt**: 1 Platz
+
+### markgravate (Markgrafschaft: Groß-Benbach)
+- **Bischof**: 1 Platz
+- **Gesamt**: 1 Platz
+
+### shire (Grafschaft: Siebenbachen)
+- **Erzdiakon**: 1 Platz
+- **Gesamt**: 1 Platz
+
+### county (Kreis: Bad Homburg, Maintal)
+- **Dekan**: 1 Platz pro Kreis
+- **Gesamt**: 1 Platz pro Kreis
+
+### city (Stadt: Frankfurt, Oberursel, Offenbach, Königstein)
+- **Pfarrer**: 1 Platz pro Stadt
+- **Dorfgeistlicher**: 1 Platz pro Stadt
+- **Laienprediger**: 3 Plätze pro Stadt
+- **Gesamt**: 5 Plätze pro Stadt
+
+## Hierarchie und Beförderungsweg
+
+1. **Laienprediger** (lay-preacher) - Einstiegsposition, keine Voraussetzung
+2. **Dorfgeistlicher** (village-priest) - Voraussetzung: Laienprediger
+3. **Pfarrer** (parish-priest) - Voraussetzung: Dorfgeistlicher
+4. **Dekan** (dean) - Voraussetzung: Pfarrer
+5. **Erzdiakon** (archdeacon) - Voraussetzung: Dekan
+6. **Bischof** (bishop) - Voraussetzung: Erzdiakon
+7. **Erzbischof** (archbishop) - Voraussetzung: Bischof
+8. **Kardinal** (cardinal) - Voraussetzung: Erzbischof
+9. **Papst** (pope) - Voraussetzung: Kardinal
+
+## Gesamtübersicht verfügbarer Positionen
+
+- **Papst**: 1 Position (Land)
+- **Kardinal**: 3 Positionen (Land)
+- **Erzbischof**: 1 Position (Herzogtum)
+- **Bischof**: 1 Position (Markgrafschaft)
+- **Erzdiakon**: 1 Position (Grafschaft)
+- **Dekan**: 2 Positionen (2 Kreise)
+- **Pfarrer**: 4 Positionen (4 Städte)
+- **Dorfgeistlicher**: 4 Positionen (4 Städte)
+- **Laienprediger**: 12 Positionen (4 Städte × 3)
+
+**Gesamt**: 30 Positionen im System

CMakeLists.txt

@@ -0,0 +1,119 @@
+cmake_minimum_required(VERSION 3.20)
+project(YourPartDaemon VERSION 1.0 LANGUAGES CXX)
+
+# C++ Standard and Compiler Settings
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+# Use best available GCC for C++23 support (OpenSUSE Tumbleweed)
+# Try GCC 15 first (best C++23 support), then GCC 13, then system default
+find_program(GCC15_CC gcc-15)
+find_program(GCC15_CXX g++-15)
+find_program(GCC13_CC gcc-13)
+find_program(GCC13_CXX g++-13)
+
+if(GCC15_CC AND GCC15_CXX)
+    set(CMAKE_C_COMPILER ${GCC15_CC})
+    set(CMAKE_CXX_COMPILER ${GCC15_CXX})
+    message(STATUS "Using GCC 15 for best C++23 support")
+elseif(GCC13_CC AND GCC13_CXX)
+    set(CMAKE_C_COMPILER ${GCC13_CC})
+    set(CMAKE_CXX_COMPILER ${GCC13_CXX})
+    message(STATUS "Using GCC 13 for C++23 support")
+else()
+    message(STATUS "Using system default compiler")
+endif()
+# Optimize for GCC 13 with C++23
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto=auto -O3 -march=native -mtune=native")
+set(CMAKE_CXX_FLAGS_DEBUG "-O1 -g -DDEBUG")
+set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG -march=native -mtune=native")
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto")
+set(CMAKE_BUILD_TYPE Release)
+
+# Include /usr/local if needed
+list(APPEND CMAKE_PREFIX_PATH /usr/local)
+
+# Find libwebsockets via pkg-config
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(LWS REQUIRED libwebsockets)
+
+# Find other dependencies
+find_package(PostgreSQL REQUIRED)
+find_package(Threads REQUIRED)
+find_package(nlohmann_json CONFIG REQUIRED)
+
+# PostgreSQL C++ libpqxx
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(LIBPQXX REQUIRED libpqxx)
+
+# Project sources and headers
+set(SOURCES
+    src/main.cpp
+    src/config.cpp
+    src/connection_pool.cpp
+    src/database.cpp
+    src/character_creation_worker.cpp
+    src/produce_worker.cpp
+    src/message_broker.cpp
+    src/websocket_server.cpp
+    src/stockagemanager.cpp
+    src/director_worker.cpp
+    src/valuerecalculationworker.cpp
+    src/usercharacterworker.cpp
+    src/houseworker.cpp
+    src/politics_worker.cpp
+)
+
+set(HEADERS
+    src/config.h
+    src/database.h
+    src/connection_pool.h
+    src/worker.h
+    src/character_creation_worker.h
+    src/produce_worker.h
+    src/message_broker.h
+    src/websocket_server.h
+    src/stockagemanager.h
+    src/director_worker.h
+    src/valuerecalculationworker.h
+    src/usercharacterworker.h
+    src/houseworker.h
+    src/politics_worker.h
+)
+
+# Define executable target
+add_executable(yourpart-daemon ${SOURCES} ${HEADERS}
+  src/utils.h src/utils.cpp
+  src/underground_worker.h src/underground_worker.cpp)
+
+# Include directories
+target_include_directories(yourpart-daemon PRIVATE
+  ${PostgreSQL_INCLUDE_DIRS}
+  ${LIBPQXX_INCLUDE_DIRS}
+  ${LWS_INCLUDE_DIRS}
+)
+
+# Find systemd
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(SYSTEMD REQUIRED libsystemd)
+
+# Link libraries
+target_link_libraries(yourpart-daemon PRIVATE
+  ${PostgreSQL_LIBRARIES}
+  Threads::Threads
+  z ssl crypto
+  ${LIBPQXX_LIBRARIES}
+  ${LWS_LIBRARIES}
+  nlohmann_json::nlohmann_json
+  ${SYSTEMD_LIBRARIES}
+)
+
+# Installation rules
+install(TARGETS yourpart-daemon DESTINATION /usr/local/bin)
+
+# Installiere Template als Referenz ZUERST (wird vom install-Skript benötigt)
+install(FILES daemon.conf DESTINATION /etc/yourpart/ RENAME daemon.conf.example)
+
+# Intelligente Konfigurationsdatei-Installation
+# Verwendet ein CMake-Skript, das nur fehlende Keys hinzufügt, ohne bestehende zu überschreiben
+# Das Skript liest das Template aus /etc/yourpart/daemon.conf.example oder dem Source-Verzeichnis
+install(SCRIPT cmake/install-config.cmake)

CMakeLists.txt.user

@@ -0,0 +1,414 @@
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+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Clean</value>
+    </valuemap>
+    <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">2</value>
+    <value type="bool" key="ProjectExplorer.BuildConfiguration.ClearSystemEnvironment">false</value>
+    <valuelist type="QVariantList" key="ProjectExplorer.BuildConfiguration.CustomParsers"/>
+    <value type="bool" key="ProjectExplorer.BuildConfiguration.ParseStandardOutput">false</value>
+    <valuelist type="QVariantList" key="ProjectExplorer.BuildConfiguration.UserEnvironmentChanges"/>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Release</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">CMakeProjectManager.CMakeBuildConfiguration</value>
+    <value type="qlonglong" key="ProjectExplorer.Target.ActiveDeployConfiguration">0</value>
+    <value type="qlonglong" key="ProjectExplorer.Target.ActiveRunConfiguration">0</value>
+    <valuemap type="QVariantMap" key="ProjectExplorer.Target.DeployConfiguration.0">
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+      <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">0</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Deployment</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Deployment</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Deploy</value>
+     </valuemap>
+     <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">1</value>
+     <valuemap type="QVariantMap" key="ProjectExplorer.DeployConfiguration.CustomData"/>
+     <value type="bool" key="ProjectExplorer.DeployConfiguration.CustomDataEnabled">false</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.DefaultDeployConfiguration</value>
+    </valuemap>
+    <valuemap type="QVariantMap" key="ProjectExplorer.Target.DeployConfiguration.1">
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+      <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
+       <value type="QString" key="CMakeProjectManager.MakeStep.BuildPreset"></value>
+       <valuelist type="QVariantList" key="CMakeProjectManager.MakeStep.BuildTargets">
+        <value type="QString"></value>
+       </valuelist>
+       <value type="bool" key="CMakeProjectManager.MakeStep.ClearSystemEnvironment">false</value>
+       <valuelist type="QVariantList" key="CMakeProjectManager.MakeStep.UserEnvironmentChanges"/>
+       <value type="bool" key="ProjectExplorer.BuildStep.Enabled">true</value>
+       <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ApplicationManagerPlugin.Deploy.CMakePackageStep</value>
+      </valuemap>
+      <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.1">
+       <value type="QString" key="ApplicationManagerPlugin.Deploy.InstallPackageStep.Arguments">install-package --acknowledge</value>
+       <value type="bool" key="ProjectExplorer.BuildStep.Enabled">true</value>
+       <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Application Manager-Paket installieren</value>
+       <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ApplicationManagerPlugin.Deploy.InstallPackageStep</value>
+       <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedFiles"/>
+       <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedHosts"/>
+       <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedRemotePaths"/>
+       <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedSysroots"/>
+       <valuelist type="QVariantList" key="RemoteLinux.LastDeployedLocalTimes"/>
+       <valuelist type="QVariantList" key="RemoteLinux.LastDeployedRemoteTimes"/>
+      </valuemap>
+      <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">2</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Deployment</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Deployment</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Deploy</value>
+     </valuemap>
+     <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">1</value>
+     <valuemap type="QVariantMap" key="ProjectExplorer.DeployConfiguration.CustomData"/>
+     <value type="bool" key="ProjectExplorer.DeployConfiguration.CustomDataEnabled">false</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ApplicationManagerPlugin.Deploy.Configuration</value>
+    </valuemap>
+    <value type="qlonglong" key="ProjectExplorer.Target.DeployConfigurationCount">2</value>
+    <valuemap type="QVariantMap" key="ProjectExplorer.Target.RunConfiguration.0">
+     <value type="bool" key="Analyzer.Perf.Settings.UseGlobalSettings">true</value>
+     <value type="bool" key="Analyzer.QmlProfiler.Settings.UseGlobalSettings">true</value>
+     <value type="int" key="Analyzer.Valgrind.Callgrind.CostFormat">0</value>
+     <value type="bool" key="Analyzer.Valgrind.Settings.UseGlobalSettings">true</value>
+     <valuelist type="QVariantList" key="CustomOutputParsers"/>
+     <value type="int" key="PE.EnvironmentAspect.Base">2</value>
+     <valuelist type="QVariantList" key="PE.EnvironmentAspect.Changes"/>
+     <value type="bool" key="PE.EnvironmentAspect.PrintOnRun">false</value>
+     <value type="QString" key="PerfRecordArgsId">-e cpu-cycles --call-graph dwarf,4096 -F 250</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">yourpart-daemon</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">CMakeProjectManager.CMakeRunConfiguration.</value>
+     <value type="QString" key="ProjectExplorer.RunConfiguration.BuildKey">yourpart-daemon</value>
+     <value type="bool" key="ProjectExplorer.RunConfiguration.Customized">false</value>
+     <value type="bool" key="RunConfiguration.UseCppDebuggerAuto">true</value>
+     <value type="bool" key="RunConfiguration.UseLibrarySearchPath">true</value>
+     <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
+     <value type="QString" key="RunConfiguration.WorkingDirectory.default">/home/torsten/Programs/yourpart-daemon/build</value>
+    </valuemap>
+    <value type="qlonglong" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
+   </valuemap>
+   <valuemap type="QVariantMap" key="ProjectExplorer.Target.BuildConfiguration.1">
+    <value type="QString" key="CMake.Build.Type">Debug</value>
+    <value type="int" key="CMake.Configure.BaseEnvironment">2</value>
+    <value type="bool" key="CMake.Configure.ClearSystemEnvironment">false</value>
+    <valuelist type="QVariantList" key="CMake.Configure.UserEnvironmentChanges"/>
+    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_CXX_COMPILER:FILEPATH=%{Compiler:Executable:Cxx}
+-DCMAKE_COLOR_DIAGNOSTICS:BOOL=ON
+-DCMAKE_C_COMPILER:FILEPATH=%{Compiler:Executable:C}
+-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
+-DCMAKE_PREFIX_PATH:PATH=%{Qt:QT_INSTALL_PREFIX}
+-DCMAKE_GENERATOR:STRING=Unix Makefiles
+-DCMAKE_BUILD_TYPE:STRING=Debug
+-DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}</value>
+    <value type="QString" key="CMake.Source.Directory">/mnt/share/torsten/Programs/yourpart-daemon</value>
+    <value type="QString" key="ProjectExplorer.BuildConfiguration.BuildDirectory">/home/torsten/Programs/yourpart-daemon/build</value>
+    <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
+      <value type="QString" key="CMakeProjectManager.MakeStep.BuildPreset"></value>
+      <valuelist type="QVariantList" key="CMakeProjectManager.MakeStep.BuildTargets">
+       <value type="QString">all</value>
+      </valuelist>
+      <value type="bool" key="CMakeProjectManager.MakeStep.ClearSystemEnvironment">false</value>
+      <valuelist type="QVariantList" key="CMakeProjectManager.MakeStep.UserEnvironmentChanges"/>
+      <value type="bool" key="ProjectExplorer.BuildStep.Enabled">true</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">CMakeProjectManager.MakeStep</value>
+     </valuemap>
+     <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">1</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Erstellen</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Erstellen</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Build</value>
+    </valuemap>
+    <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.1">
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
+      <value type="QString" key="CMakeProjectManager.MakeStep.BuildPreset"></value>
+      <valuelist type="QVariantList" key="CMakeProjectManager.MakeStep.BuildTargets">
+       <value type="QString">clean</value>
+      </valuelist>
+      <value type="bool" key="CMakeProjectManager.MakeStep.ClearSystemEnvironment">false</value>
+      <valuelist type="QVariantList" key="CMakeProjectManager.MakeStep.UserEnvironmentChanges"/>
+      <value type="bool" key="ProjectExplorer.BuildStep.Enabled">true</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">CMakeProjectManager.MakeStep</value>
+     </valuemap>
+     <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">1</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Bereinigen</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Bereinigen</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Clean</value>
+    </valuemap>
+    <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">2</value>
+    <value type="bool" key="ProjectExplorer.BuildConfiguration.ClearSystemEnvironment">false</value>
+    <valuelist type="QVariantList" key="ProjectExplorer.BuildConfiguration.CustomParsers"/>
+    <value type="bool" key="ProjectExplorer.BuildConfiguration.ParseStandardOutput">false</value>
+    <valuelist type="QVariantList" key="ProjectExplorer.BuildConfiguration.UserEnvironmentChanges"/>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Debug (importiert)</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">CMakeProjectManager.CMakeBuildConfiguration</value>
+    <value type="qlonglong" key="ProjectExplorer.Target.ActiveDeployConfiguration">0</value>
+    <value type="qlonglong" key="ProjectExplorer.Target.ActiveRunConfiguration">-1</value>
+    <valuemap type="QVariantMap" key="ProjectExplorer.Target.DeployConfiguration.0">
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+      <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">0</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Deployment</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Deployment</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Deploy</value>
+     </valuemap>
+     <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">1</value>
+     <valuemap type="QVariantMap" key="ProjectExplorer.DeployConfiguration.CustomData"/>
+     <value type="bool" key="ProjectExplorer.DeployConfiguration.CustomDataEnabled">false</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.DefaultDeployConfiguration</value>
+    </valuemap>
+    <valuemap type="QVariantMap" key="ProjectExplorer.Target.DeployConfiguration.1">
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+      <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
+       <value type="QString" key="CMakeProjectManager.MakeStep.BuildPreset"></value>
+       <valuelist type="QVariantList" key="CMakeProjectManager.MakeStep.BuildTargets">
+        <value type="QString">install</value>
+       </valuelist>
+       <value type="bool" key="CMakeProjectManager.MakeStep.ClearSystemEnvironment">false</value>
+       <valuelist type="QVariantList" key="CMakeProjectManager.MakeStep.UserEnvironmentChanges"/>
+       <value type="bool" key="ProjectExplorer.BuildStep.Enabled">true</value>
+       <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ApplicationManagerPlugin.Deploy.CMakePackageStep</value>
+      </valuemap>
+      <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.1">
+       <value type="QString" key="ApplicationManagerPlugin.Deploy.InstallPackageStep.Arguments">install-package --acknowledge</value>
+       <value type="bool" key="ProjectExplorer.BuildStep.Enabled">true</value>
+       <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Application Manager-Paket installieren</value>
+       <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ApplicationManagerPlugin.Deploy.InstallPackageStep</value>
+       <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedFiles"/>
+       <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedHosts"/>
+       <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedRemotePaths"/>
+       <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedSysroots"/>
+       <valuelist type="QVariantList" key="RemoteLinux.LastDeployedLocalTimes"/>
+       <valuelist type="QVariantList" key="RemoteLinux.LastDeployedRemoteTimes"/>
+      </valuemap>
+      <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">2</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Deployment</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Deployment</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Deploy</value>
+     </valuemap>
+     <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">1</value>
+     <valuemap type="QVariantMap" key="ProjectExplorer.DeployConfiguration.CustomData"/>
+     <value type="bool" key="ProjectExplorer.DeployConfiguration.CustomDataEnabled">false</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ApplicationManagerPlugin.Deploy.Configuration</value>
+    </valuemap>
+    <value type="qlonglong" key="ProjectExplorer.Target.DeployConfigurationCount">2</value>
+    <value type="qlonglong" key="ProjectExplorer.Target.RunConfigurationCount">0</value>
+   </valuemap>
+   <value type="qlonglong" key="ProjectExplorer.Target.BuildConfigurationCount">2</value>
+   <valuemap type="QVariantMap" key="ProjectExplorer.Target.DeployConfiguration.0">
+    <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+     <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">0</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Deployment</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Deployment</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Deploy</value>
+    </valuemap>
+    <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">1</value>
+    <valuemap type="QVariantMap" key="ProjectExplorer.DeployConfiguration.CustomData"/>
+    <value type="bool" key="ProjectExplorer.DeployConfiguration.CustomDataEnabled">false</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.DefaultDeployConfiguration</value>
+   </valuemap>
+   <valuemap type="QVariantMap" key="ProjectExplorer.Target.DeployConfiguration.1">
+    <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
+      <value type="QString" key="CMakeProjectManager.MakeStep.BuildPreset"></value>
+      <valuelist type="QVariantList" key="CMakeProjectManager.MakeStep.BuildTargets">
+       <value type="QString"></value>
+      </valuelist>
+      <value type="bool" key="CMakeProjectManager.MakeStep.ClearSystemEnvironment">false</value>
+      <valuelist type="QVariantList" key="CMakeProjectManager.MakeStep.UserEnvironmentChanges"/>
+      <value type="bool" key="ProjectExplorer.BuildStep.Enabled">true</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ApplicationManagerPlugin.Deploy.CMakePackageStep</value>
+     </valuemap>
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.1">
+      <value type="QString" key="ApplicationManagerPlugin.Deploy.InstallPackageStep.Arguments">install-package --acknowledge</value>
+      <value type="bool" key="ProjectExplorer.BuildStep.Enabled">true</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Application Manager-Paket installieren</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ApplicationManagerPlugin.Deploy.InstallPackageStep</value>
+      <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedFiles"/>
+      <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedHosts"/>
+      <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedRemotePaths"/>
+      <valuelist type="QVariantList" key="ProjectExplorer.RunConfiguration.LastDeployedSysroots"/>
+      <valuelist type="QVariantList" key="RemoteLinux.LastDeployedLocalTimes"/>
+      <valuelist type="QVariantList" key="RemoteLinux.LastDeployedRemoteTimes"/>
+     </valuemap>
+     <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">2</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Deployment</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Deployment</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Deploy</value>
+    </valuemap>
+    <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">1</value>
+    <valuemap type="QVariantMap" key="ProjectExplorer.DeployConfiguration.CustomData"/>
+    <value type="bool" key="ProjectExplorer.DeployConfiguration.CustomDataEnabled">false</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ApplicationManagerPlugin.Deploy.Configuration</value>
+   </valuemap>
+   <value type="qlonglong" key="ProjectExplorer.Target.DeployConfigurationCount">2</value>
+   <valuemap type="QVariantMap" key="ProjectExplorer.Target.RunConfiguration.0">
+    <value type="bool" key="Analyzer.Perf.Settings.UseGlobalSettings">true</value>
+    <value type="bool" key="Analyzer.QmlProfiler.Settings.UseGlobalSettings">true</value>
+    <value type="int" key="Analyzer.Valgrind.Callgrind.CostFormat">0</value>
+    <value type="bool" key="Analyzer.Valgrind.Settings.UseGlobalSettings">true</value>
+    <valuelist type="QVariantList" key="CustomOutputParsers"/>
+    <value type="int" key="PE.EnvironmentAspect.Base">2</value>
+    <valuelist type="QVariantList" key="PE.EnvironmentAspect.Changes"/>
+    <value type="bool" key="PE.EnvironmentAspect.PrintOnRun">false</value>
+    <value type="QString" key="PerfRecordArgsId">-e cpu-cycles --call-graph dwarf,4096 -F 250</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">yourpart-daemon</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">CMakeProjectManager.CMakeRunConfiguration.</value>
+    <value type="QString" key="ProjectExplorer.RunConfiguration.BuildKey">yourpart-daemon</value>
+    <value type="bool" key="ProjectExplorer.RunConfiguration.Customized">false</value>
+    <value type="bool" key="RunConfiguration.UseCppDebuggerAuto">true</value>
+    <value type="bool" key="RunConfiguration.UseLibrarySearchPath">true</value>
+    <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
+    <value type="QString" key="RunConfiguration.WorkingDirectory.default">/home/torsten/Programs/yourpart-daemon/build</value>
+   </valuemap>
+   <value type="qlonglong" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
+  </valuemap>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.TargetCount</variable>
+  <value type="qlonglong">1</value>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.Updater.FileVersion</variable>
+  <value type="int">22</value>
+ </data>
+ <data>
+  <variable>Version</variable>
+  <value type="int">22</value>
+ </data>
+</qtcreator>

CMakeLists.txt.user.d36652f

@@ -0,0 +1,205 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE QtCreatorProject>
+<!-- Written by QtCreator 12.0.2, 2025-07-18T07:45:58. -->
+<qtcreator>
+ <data>
+  <variable>EnvironmentId</variable>
+  <value type="QByteArray">{d36652ff-969b-426b-a63f-1edd325096c5}</value>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.ActiveTarget</variable>
+  <value type="qlonglong">0</value>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.EditorSettings</variable>
+  <valuemap type="QVariantMap">
+   <value type="bool" key="EditorConfiguration.AutoIndent">true</value>
+   <value type="bool" key="EditorConfiguration.AutoSpacesForTabs">false</value>
+   <value type="bool" key="EditorConfiguration.CamelCaseNavigation">true</value>
+   <valuemap type="QVariantMap" key="EditorConfiguration.CodeStyle.0">
+    <value type="QString" key="language">Cpp</value>
+    <valuemap type="QVariantMap" key="value">
+     <value type="QByteArray" key="CurrentPreferences">CppGlobal</value>
+    </valuemap>
+   </valuemap>
+   <valuemap type="QVariantMap" key="EditorConfiguration.CodeStyle.1">
+    <value type="QString" key="language">QmlJS</value>
+    <valuemap type="QVariantMap" key="value">
+     <value type="QByteArray" key="CurrentPreferences">QmlJSGlobal</value>
+    </valuemap>
+   </valuemap>
+   <value type="qlonglong" key="EditorConfiguration.CodeStyle.Count">2</value>
+   <value type="QByteArray" key="EditorConfiguration.Codec">UTF-8</value>
+   <value type="bool" key="EditorConfiguration.ConstrainTooltips">false</value>
+   <value type="int" key="EditorConfiguration.IndentSize">4</value>
+   <value type="bool" key="EditorConfiguration.KeyboardTooltips">false</value>
+   <value type="int" key="EditorConfiguration.MarginColumn">80</value>
+   <value type="bool" key="EditorConfiguration.MouseHiding">true</value>
+   <value type="bool" key="EditorConfiguration.MouseNavigation">true</value>
+   <value type="int" key="EditorConfiguration.PaddingMode">1</value>
+   <value type="int" key="EditorConfiguration.PreferAfterWhitespaceComments">0</value>
+   <value type="bool" key="EditorConfiguration.PreferSingleLineComments">false</value>
+   <value type="bool" key="EditorConfiguration.ScrollWheelZooming">true</value>
+   <value type="bool" key="EditorConfiguration.ShowMargin">false</value>
+   <value type="int" key="EditorConfiguration.SmartBackspaceBehavior">0</value>
+   <value type="bool" key="EditorConfiguration.SmartSelectionChanging">true</value>
+   <value type="bool" key="EditorConfiguration.SpacesForTabs">true</value>
+   <value type="int" key="EditorConfiguration.TabKeyBehavior">0</value>
+   <value type="int" key="EditorConfiguration.TabSize">8</value>
+   <value type="bool" key="EditorConfiguration.UseGlobal">true</value>
+   <value type="bool" key="EditorConfiguration.UseIndenter">false</value>
+   <value type="int" key="EditorConfiguration.Utf8BomBehavior">1</value>
+   <value type="bool" key="EditorConfiguration.addFinalNewLine">true</value>
+   <value type="bool" key="EditorConfiguration.cleanIndentation">true</value>
+   <value type="bool" key="EditorConfiguration.cleanWhitespace">true</value>
+   <value type="QString" key="EditorConfiguration.ignoreFileTypes">*.md, *.MD, Makefile</value>
+   <value type="bool" key="EditorConfiguration.inEntireDocument">false</value>
+   <value type="bool" key="EditorConfiguration.skipTrailingWhitespace">true</value>
+   <value type="bool" key="EditorConfiguration.tintMarginArea">true</value>
+  </valuemap>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.PluginSettings</variable>
+  <valuemap type="QVariantMap">
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PERFORMANCE_ANALYSIS.md

@@ -0,0 +1,230 @@
+# Backend Performance-Analyse: Sell-Funktionen
+
+## Identifizierte Performance-Probleme
+
+### 1. **N+1 Query Problem in `sellAllProducts()`**
+
+**Problem:**
+Die Funktion `sellAllProducts()` macht für jedes Inventory-Item mehrere separate Datenbankabfragen:
+
+1. **Erste Schleife (Zeile 1702-1711):**
+   - `calcRegionalSellPrice()` → macht `TownProductWorth.findOne()` für jedes Item
+   - `getCumulativeTaxPercentWithExemptions()` → macht mehrere Queries pro Item:
+     - `FalukantCharacter.findOne()`
+     - `PoliticalOffice.findAll()` mit Includes
+     - Rekursive SQL-Query für Steuerberechnung
+   - `addSellItem()` → macht `Branch.findOne()` und `DaySell.findOne()`/`create()` für jedes Item
+
+2. **Zweite Schleife (Zeile 1714-1724):**
+   - `RegionData.findOne()` für jedes Item
+   - `getCumulativeTaxPercent()` → rekursive SQL-Query für jedes Item
+   - `calcRegionalSellPrice()` → erneut `TownProductWorth.findOne()` für jedes Item
+
+**Beispiel:** Bei 10 Items werden gemacht:
+- 10x `TownProductWorth.findOne()` (2x pro Item)
+- 10x `RegionData.findOne()`
+- 10x `getCumulativeTaxPercentWithExemptions()` (mit mehreren Queries)
+- 10x `getCumulativeTaxPercent()` (rekursive SQL)
+- 10x `addSellItem()` (mit 2 Queries pro Item)
+- = **~70+ Datenbankabfragen für 10 Items**
+
+### 2. **Ineffiziente `addSellItem()` Implementierung**
+
+**Problem:**
+- Wird für jedes Item einzeln aufgerufen
+- Macht `Branch.findOne()` für jedes Item (könnte gecacht werden)
+- `DaySell.findOne()` und `create()`/`update()` für jedes Item
+
+**Lösung:** Batch-Operation implementieren, die alle DaySell Einträge auf einmal verarbeitet.
+
+### 3. **Doppelte Berechnungen in `sellAllProducts()`**
+
+**Problem:**
+- Preis wird zweimal berechnet (Zeile 1705 und 1718)
+- Steuer wird zweimal berechnet (Zeile 1706 und 1717)
+- `calcRegionalSellPrice()` wird zweimal aufgerufen mit denselben Parametern
+
+### 4. **Fehlende Indizes**
+
+**Potenzielle fehlende Indizes:**
+- `falukant_data.town_product_worth(product_id, region_id)` - sollte unique sein
+- `falukant_data.inventory(stock_id, product_id, quality)` - für schnelle Lookups
+- `falukant_data.knowledge(character_id, product_id)` - für Knowledge-Lookups
+- `falukant_data.political_office(character_id)` - für Steuerbefreiungen
+
+### 5. **Ineffiziente `getCumulativeTaxPercentWithExemptions()`**
+
+**Problem:**
+- Lädt alle PoliticalOffices jedes Mal neu, auch wenn sich nichts geändert hat
+- Macht komplexe rekursive SQL-Query für jedes Item separat
+- Könnte gecacht werden (z.B. pro User+Region Kombination)
+
+## Empfohlene Optimierungen
+
+### 1. **Batch-Loading für `sellAllProducts()`**
+
+```javascript
+async sellAllProducts(hashedUserId, branchId) {
+    // ... existing code ...
+    
+    // Batch-Load alle benötigten Daten VOR den Schleifen
+    const regionIds = [...new Set(inventory.map(item => item.stock.branch.regionId))];
+    const productIds = [...new Set(inventory.map(item => item.productType.id))];
+    
+    // 1. Lade alle TownProductWorth Einträge auf einmal
+    const townWorths = await TownProductWorth.findAll({
+        where: {
+            productId: { [Op.in]: productIds },
+            regionId: { [Op.in]: regionIds }
+        }
+    });
+    const worthMap = new Map();
+    townWorths.forEach(tw => {
+        worthMap.set(`${tw.productId}-${tw.regionId}`, tw.worthPercent);
+    });
+    
+    // 2. Lade alle RegionData auf einmal
+    const regions = await RegionData.findAll({
+        where: { id: { [Op.in]: regionIds } }
+    });
+    const regionMap = new Map(regions.map(r => [r.id, r]));
+    
+    // 3. Berechne Steuern für alle Regionen auf einmal
+    const taxMap = new Map();
+    for (const regionId of regionIds) {
+        const tax = await getCumulativeTaxPercentWithExemptions(falukantUser.id, regionId);
+        taxMap.set(regionId, tax);
+    }
+    
+    // 4. Berechne Preise und Steuern in einer Schleife
+    const sellItems = [];
+    for (const item of inventory) {
+        const regionId = item.stock.branch.regionId;
+        const worthPercent = worthMap.get(`${item.productType.id}-${regionId}`) || 50;
+        const knowledgeVal = item.productType.knowledges[0]?.knowledge || 0;
+        const pricePerUnit = calcRegionalSellPrice(item.productType, knowledgeVal, regionId, worthPercent);
+        const cumulativeTax = taxMap.get(regionId);
+        // ... rest of calculation ...
+        sellItems.push({ branchId: item.stock.branch.id, productId: item.productType.id, quantity: item.quantity });
+    }
+    
+    // 5. Batch-Update DaySell Einträge
+    await this.addSellItemsBatch(sellItems);
+    
+    // ... rest of code ...
+}
+```
+
+### 2. **Batch-Operation für `addSellItem()`**
+
+```javascript
+async addSellItemsBatch(sellItems) {
+    // Gruppiere nach (regionId, productId, sellerId)
+    const grouped = new Map();
+    for (const item of sellItems) {
+        const branch = await Branch.findByPk(item.branchId);
+        if (!branch) continue;
+        
+        const key = `${branch.regionId}-${item.productId}-${item.sellerId}`;
+        if (!grouped.has(key)) {
+            grouped.set(key, {
+                regionId: branch.regionId,
+                productId: item.productId,
+                sellerId: item.sellerId,
+                quantity: 0
+            });
+        }
+        grouped.get(key).quantity += item.quantity;
+    }
+    
+    // Batch-Update oder Create
+    for (const [key, data] of grouped) {
+        const [daySell, created] = await DaySell.findOrCreate({
+            where: {
+                regionId: data.regionId,
+                productId: data.productId,
+                sellerId: data.sellerId
+            },
+            defaults: { quantity: data.quantity }
+        });
+        
+        if (!created) {
+            daySell.quantity += data.quantity;
+            await daySell.save();
+        }
+    }
+}
+```
+
+### 3. **Caching für `getCumulativeTaxPercentWithExemptions()`**
+
+```javascript
+// Cache für Steuerberechnungen (z.B. 5 Minuten)
+const taxCache = new Map();
+const CACHE_TTL = 5 * 60 * 1000; // 5 Minuten
+
+async function getCumulativeTaxPercentWithExemptions(userId, regionId) {
+    const cacheKey = `${userId}-${regionId}`;
+    const cached = taxCache.get(cacheKey);
+    if (cached && Date.now() - cached.timestamp < CACHE_TTL) {
+        return cached.value;
+    }
+    
+    // ... existing calculation ...
+    
+    taxCache.set(cacheKey, { value: tax, timestamp: Date.now() });
+    return tax;
+}
+```
+
+### 4. **Optimierte `calcRegionalSellPrice()`**
+
+```javascript
+async function calcRegionalSellPrice(product, knowledgeFactor, regionId, worthPercent = null) {
+    // Wenn worthPercent nicht übergeben wurde UND wir es nicht aus dem Cache haben,
+    // dann hole es aus der DB
+    if (worthPercent === null) {
+        const townWorth = await TownProductWorth.findOne({
+            where: { productId: product.id, regionId: regionId }
+        });
+        worthPercent = townWorth?.worthPercent || 50;
+    }
+    
+    // ... rest of calculation ...
+}
+```
+
+### 5. **Datenbank-Indizes hinzufügen**
+
+```sql
+-- Index für town_product_worth (sollte unique sein)
+CREATE UNIQUE INDEX IF NOT EXISTS idx_town_product_worth_product_region 
+ON falukant_data.town_product_worth(product_id, region_id);
+
+-- Index für inventory Lookups
+CREATE INDEX IF NOT EXISTS idx_inventory_stock_product_quality 
+ON falukant_data.inventory(stock_id, product_id, quality);
+
+-- Index für knowledge Lookups
+CREATE INDEX IF NOT EXISTS idx_knowledge_character_product 
+ON falukant_data.knowledge(character_id, product_id);
+
+-- Index für political_office Lookups
+CREATE INDEX IF NOT EXISTS idx_political_office_character 
+ON falukant_data.political_office(character_id);
+```
+
+## Geschätzter Performance-Gewinn
+
+- **Vorher:** ~70+ Queries für 10 Items
+- **Nachher:** ~15-20 Queries für 10 Items (Batch-Loading + Caching)
+- **Geschätzte Verbesserung:** 70-80% weniger Datenbankabfragen
+
+## Priorität
+
+1. **Hoch:** Batch-Loading für `sellAllProducts()` (größter Impact)
+2. **Hoch:** Batch-Operation für `addSellItem()`
+3. **Mittel:** Caching für Steuerberechnungen
+4. **Mittel:** Datenbank-Indizes
+5. **Niedrig:** Doppelte Berechnungen entfernen
+

SELL_OVERVIEW.md

@@ -0,0 +1,601 @@
+# Übersicht: Sell-Funktionen und verwendete Models/Tabellen
+
+## Sell-Funktionen in `falukantService.js`
+
+### 1. `sellProduct(hashedUserId, branchId, productId, quality, quantity)`
+Verkauft ein einzelnes Produkt mit bestimmter Qualität.
+
+**Ablauf:**
+1. Lädt User, Branch, Character, Stock
+2. Lädt Inventory mit ProductType und Knowledge
+3. Berechnet Preis pro Einheit mit `calcRegionalSellPrice()`
+4. Berechnet kumulative Steuer mit politischen Befreiungen
+5. Passt Preis an (Inflation basierend auf Steuer)
+6. Berechnet Revenue, Tax, Net
+7. Aktualisiert Geld für Verkäufer und Treasury
+8. Entfernt verkaufte Items aus Inventory
+9. Erstellt/aktualisiert DaySell Eintrag
+10. Sendet Socket-Notifications
+
+**Verwendete Models/Tabellen:**
+- `FalukantUser` (`falukant_data.falukant_user`)
+- `Branch` (`falukant_data.branch`)
+- `FalukantCharacter` (`falukant_data.character`)
+- `FalukantStock` (`falukant_data.stock`)
+- `Inventory` (`falukant_data.inventory`)
+- `ProductType` (`falukant_type.product`)
+- `Knowledge` (`falukant_data.knowledge`)
+- `TownProductWorth` (`falukant_data.town_product_worth`)
+- `RegionData` (`falukant_data.region`)
+- `RegionType` (`falukant_type.region`)
+- `PoliticalOffice` (`falukant_data.political_office`)
+- `PoliticalOfficeType` (`falukant_type.political_office_type`)
+- `DaySell` (`falukant_log.day_sell`)
+- `MoneyFlow` (via `updateFalukantUserMoney`)
+
+### 2. `sellAllProducts(hashedUserId, branchId)`
+Verkauft alle Produkte eines Branches.
+
+**Ablauf:**
+1. Lädt User, Branch mit Stocks
+2. Lädt alle Inventory Items mit ProductType, Knowledge, Stock, Branch
+3. Für jedes Item:
+   - Berechnet Preis pro Einheit
+   - Berechnet kumulative Steuer
+   - Passt Preis an
+   - Erstellt/aktualisiert DaySell Eintrag
+4. Berechnet Gesamt-Tax pro Region
+5. Aktualisiert Geld für Verkäufer und Treasury
+6. Löscht alle Inventory Items
+7. Sendet Socket-Notifications
+
+**Verwendete Models/Tabellen:**
+- `FalukantUser` (`falukant_data.falukant_user`)
+- `Branch` (`falukant_data.branch`)
+- `FalukantStock` (`falukant_data.stock`)
+- `FalukantStockType` (`falukant_type.stock`)
+- `FalukantCharacter` (`falukant_data.character`)
+- `Inventory` (`falukant_data.inventory`)
+- `ProductType` (`falukant_type.product`)
+- `Knowledge` (`falukant_data.knowledge`)
+- `TownProductWorth` (`falukant_data.town_product_worth`)
+- `RegionData` (`falukant_data.region`)
+- `RegionType` (`falukant_type.region`)
+- `PoliticalOffice` (`falukant_data.political_office`)
+- `PoliticalOfficeType` (`falukant_type.political_office_type`)
+- `DaySell` (`falukant_log.day_sell`)
+- `MoneyFlow` (via `updateFalukantUserMoney`)
+
+### 3. `addSellItem(branchId, userId, productId, quantity)`
+Erstellt oder aktualisiert einen DaySell Eintrag für einen Verkauf.
+
+**Ablauf:**
+1. Lädt Branch
+2. Sucht nach existierendem DaySell Eintrag
+3. Erstellt neuen oder aktualisiert existierenden Eintrag
+
+**Verwendete Models/Tabellen:**
+- `Branch` (`falukant_data.branch`)
+- `DaySell` (`falukant_log.day_sell`)
+
+## Hilfsfunktionen
+
+### `calcRegionalSellPrice(product, knowledgeFactor, regionId, worthPercent = null)`
+Berechnet den Verkaufspreis eines Produkts basierend auf:
+- Basispreis (`product.sellCost`)
+- Regionalem Worth-Percent (`town_product_worth.worth_percent`)
+- Knowledge-Faktor (0-100)
+
+**Verwendete Models/Tabellen:**
+- `ProductType` (`falukant_type.product`)
+- `TownProductWorth` (`falukant_data.town_product_worth`)
+
+### `getCumulativeTaxPercent(regionId)`
+Berechnet die kumulative Steuer für eine Region und alle Vorfahren (rekursiv).
+
+**SQL Query:**
+```sql
+WITH RECURSIVE ancestors AS (
+    SELECT id, parent_id, tax_percent
+    FROM falukant_data.region r
+    WHERE id = :id
+  UNION ALL
+    SELECT reg.id, reg.parent_id, reg.tax_percent
+    FROM falukant_data.region reg
+    JOIN ancestors a ON reg.id = a.parent_id
+)
+SELECT COALESCE(SUM(tax_percent),0) AS total FROM ancestors;
+```
+
+**Verwendete Tabellen:**
+- `falukant_data.region`
+
+### `getCumulativeTaxPercentWithExemptions(userId, regionId)`
+Berechnet die kumulative Steuer mit politischen Befreiungen.
+
+**Ablauf:**
+1. Lädt Character des Users
+2. Lädt alle PoliticalOffices des Characters
+3. Bestimmt befreite Region-Typen basierend auf Ämtern
+4. Berechnet kumulative Steuer, aber schließt befreite Region-Typen aus
+
+**SQL Query:**
+```sql
+WITH RECURSIVE ancestors AS (
+    SELECT r.id, r.parent_id, r.tax_percent, rt.label_tr as region_type
+    FROM falukant_data.region r
+    JOIN falukant_type.region rt ON rt.id = r.region_type_id
+    WHERE r.id = :id
+  UNION ALL
+    SELECT reg.id, reg.parent_id, reg.tax_percent, rt2.label_tr
+    FROM falukant_data.region reg
+    JOIN falukant_type.region rt2 ON rt2.id = reg.region_type_id
+    JOIN ancestors a ON reg.id = a.parent_id
+)
+SELECT COALESCE(SUM(CASE WHEN ARRAY[...] && ARRAY[region_type]::text[] THEN 0 ELSE tax_percent END),0) AS total FROM ancestors;
+```
+
+**Verwendete Models/Tabellen:**
+- `FalukantCharacter` (`falukant_data.character`)
+- `PoliticalOffice` (`falukant_data.political_office`)
+- `PoliticalOfficeType` (`falukant_type.political_office_type`)
+- `RegionData` (`falukant_data.region`)
+- `RegionType` (`falukant_type.region`)
+
+**Politische Steuerbefreiungen:**
+```javascript
+const POLITICAL_TAX_EXEMPTIONS = {
+    'council': ['city'],
+    'taxman': ['city', 'county'],
+    'treasurerer': ['city', 'county', 'shire'],
+    'super-state-administrator': ['city', 'county', 'shire', 'markgrave', 'duchy'],
+    'chancellor': ['city','county','shire','markgrave','duchy'] // = alle Typen
+};
+```
+
+## Model-Definitionen
+
+### Inventory (`falukant_data.inventory`)
+```javascript
+// backend/models/falukant/data/inventory.js
+- id
+- stockId (FK zu falukant_data.stock)
+- productId (FK zu falukant_type.product)
+- quantity
+- quality
+- producedAt
+```
+
+### DaySell (`falukant_log.day_sell`)
+```javascript
+// backend/models/falukant/log/daysell.js
+- id
+- regionId (FK zu falukant_data.region)
+- productId (FK zu falukant_type.product)
+- sellerId (FK zu falukant_data.falukant_user)
+- quantity
+- createdAt
+- updatedAt
+```
+
+### TownProductWorth (`falukant_data.town_product_worth`)
+```javascript
+// backend/models/falukant/data/town_product_worth.js
+- id
+- productId (FK zu falukant_type.product)
+- regionId (FK zu falukant_data.region)
+- worthPercent (0-100)
+```
+
+### Knowledge (`falukant_data.knowledge`)
+```javascript
+// backend/models/falukant/data/product_knowledge.js
+- id
+- productId (FK zu falukant_type.product)
+- characterId (FK zu falukant_data.character)
+- knowledge (0-99)
+```
+
+## Wichtige SQL-Queries
+
+### 1. Inventory mit ProductType und Knowledge laden
+```javascript
+Inventory.findAll({
+    where: { quality },
+    include: [
+        {
+            model: ProductType,
+            as: 'productType',
+            required: true,
+            where: { id: productId },
+            include: [
+                {
+                    model: Knowledge,
+                    as: 'knowledges',
+                    required: false,
+                    where: { characterId: character.id }
+                }
+            ]
+        }
+    ]
+})
+```
+
+### 2. Kumulative Steuer mit Befreiungen berechnen
+Siehe `getCumulativeTaxPercentWithExemptions()` oben.
+
+## Preisberechnung
+
+### Formel für `calcRegionalSellPrice`:
+1. Basispreis = `product.sellCost * (worthPercent / 100)`
+2. Min = `basePrice * 0.6`
+3. Max = `basePrice`
+4. Preis = `min + (max - min) * (knowledgeFactor / 100)`
+
+### Steueranpassung:
+1. `inflationFactor = cumulativeTax >= 100 ? 1 : (1 / (1 - cumulativeTax / 100))`
+2. `adjustedPricePerUnit = pricePerUnit * inflationFactor`
+3. `revenue = quantity * adjustedPricePerUnit`
+4. `taxValue = revenue * cumulativeTax / 100`
+5. `net = revenue - taxValue`
+
+## Vollständige Code-Snippets
+
+### `calcRegionalSellPrice()`
+```javascript
+async function calcRegionalSellPrice(product, knowledgeFactor, regionId, worthPercent = null) {
+    if (worthPercent === null) {
+        const townWorth = await TownProductWorth.findOne({
+            where: { productId: product.id, regionId: regionId }
+        });
+        worthPercent = townWorth?.worthPercent || 50; // Default 50% wenn nicht gefunden
+    }
+    
+    // Basispreis basierend auf regionalem worthPercent
+    const basePrice = product.sellCost * (worthPercent / 100);
+    
+    // Dann Knowledge-Faktor anwenden
+    const min = basePrice * 0.6;
+    const max = basePrice;
+    return min + (max - min) * (knowledgeFactor / 100);
+}
+```
+
+### `getCumulativeTaxPercent()`
+```javascript
+async function getCumulativeTaxPercent(regionId) {
+    if (!regionId) return 0;
+    const rows = await sequelize.query(
+        `WITH RECURSIVE ancestors AS (
+            SELECT id, parent_id, tax_percent
+            FROM falukant_data.region r
+            WHERE id = :id
+          UNION ALL
+            SELECT reg.id, reg.parent_id, reg.tax_percent
+            FROM falukant_data.region reg
+            JOIN ancestors a ON reg.id = a.parent_id
+        )
+        SELECT COALESCE(SUM(tax_percent),0) AS total FROM ancestors;`,
+        {
+            replacements: { id: regionId },
+            type: sequelize.QueryTypes.SELECT
+        }
+    );
+    const val = rows?.[0]?.total ?? 0;
+    return parseFloat(val) || 0;
+}
+```
+
+### `getCumulativeTaxPercentWithExemptions()` (vereinfacht)
+```javascript
+async function getCumulativeTaxPercentWithExemptions(userId, regionId) {
+    if (!regionId) return 0;
+    
+    // Character finden
+    const character = await FalukantCharacter.findOne({
+        where: { userId },
+        attributes: ['id']
+    });
+    if (!character) return 0;
+    
+    // Politische Ämter laden
+    const offices = await PoliticalOffice.findAll({
+        where: { characterId: character.id },
+        include: [
+            { model: PoliticalOfficeType, as: 'type', attributes: ['name'] },
+            {
+                model: RegionData,
+                as: 'region',
+                include: [{
+                    model: RegionType,
+                    as: 'regionType',
+                    attributes: ['labelTr']
+                }]
+            }
+        ]
+    });
+
+    // Befreite Region-Typen bestimmen
+    const exemptTypes = new Set();
+    let hasChancellor = false;
+    for (const o of offices) {
+        const name = o.type?.name;
+        if (!name) continue;
+        if (name === 'chancellor') { hasChancellor = true; break; }
+        const allowed = POLITICAL_TAX_EXEMPTIONS[name];
+        if (allowed && Array.isArray(allowed)) {
+            for (const t of allowed) exemptTypes.add(t);
+        }
+    }
+
+    if (hasChancellor) return 0;
+
+    // SQL Query mit Befreiungen
+    const exemptTypesArray = Array.from(exemptTypes);
+    const exemptTypesString = exemptTypesArray.length > 0 
+        ? `ARRAY[${exemptTypesArray.map(t => `'${t.replace(/'/g, "''")}'`).join(',')}]`
+        : `ARRAY[]::text[]`;
+    
+    const rows = await sequelize.query(
+        `WITH RECURSIVE ancestors AS (
+            SELECT r.id, r.parent_id, r.tax_percent, rt.label_tr as region_type
+            FROM falukant_data.region r
+            JOIN falukant_type.region rt ON rt.id = r.region_type_id
+            WHERE r.id = :id
+          UNION ALL
+            SELECT reg.id, reg.parent_id, reg.tax_percent, rt2.label_tr
+            FROM falukant_data.region reg
+            JOIN falukant_type.region rt2 ON rt2.id = reg.region_type_id
+            JOIN ancestors a ON reg.id = a.parent_id
+        )
+        SELECT COALESCE(SUM(CASE WHEN ${exemptTypesString} && ARRAY[region_type]::text[] THEN 0 ELSE tax_percent END),0) AS total FROM ancestors;`,
+        {
+            replacements: { id: regionId },
+            type: sequelize.QueryTypes.SELECT
+        }
+    );
+    const val = rows?.[0]?.total ?? 0;
+    return parseFloat(val) || 0;
+}
+```
+
+### `sellProduct()` (Kern-Logik)
+```javascript
+async sellProduct(hashedUserId, branchId, productId, quality, quantity) {
+    const user = await getFalukantUserOrFail(hashedUserId);
+    const branch = await getBranchOrFail(user.id, branchId);
+    const character = await FalukantCharacter.findOne({ where: { userId: user.id } });
+    if (!character) throw new Error('No character found for user');
+    const stock = await FalukantStock.findOne({ where: { branchId: branch.id } });
+    if (!stock) throw new Error('Stock not found');
+    
+    // Inventory laden
+    const inventory = await Inventory.findAll({
+        where: { quality },
+        include: [
+            {
+                model: ProductType,
+                as: 'productType',
+                required: true,
+                where: { id: productId },
+                include: [
+                    {
+                        model: Knowledge,
+                        as: 'knowledges',
+                        required: false,
+                        where: { characterId: character.id }
+                    }
+                ]
+            }
+        ]
+    });
+    if (!inventory.length) throw new Error('No inventory found');
+    
+    const available = inventory.reduce((sum, i) => sum + i.quantity, 0);
+    if (available < quantity) throw new Error('Not enough inventory available');
+    
+    const item = inventory[0].productType;
+    const knowledgeVal = item.knowledges?.[0]?.knowledge || 0;
+    const pricePerUnit = await calcRegionalSellPrice(item, knowledgeVal, branch.regionId);
+
+    // Steuer berechnen
+    const cumulativeTax = await getCumulativeTaxPercentWithExemptions(user.id, branch.regionId);
+    const inflationFactor = cumulativeTax >= 100 ? 1 : (1 / (1 - cumulativeTax / 100));
+    const adjustedPricePerUnit = Math.round(pricePerUnit * inflationFactor * 100) / 100;
+    const revenue = quantity * adjustedPricePerUnit;
+
+    // Tax und Net berechnen
+    const taxValue = Math.round((revenue * cumulativeTax / 100) * 100) / 100;
+    const net = Math.round((revenue - taxValue) * 100) / 100;
+
+    // Geld aktualisieren
+    const moneyResult = await updateFalukantUserMoney(user.id, net, `Product sale (net)`, user.id);
+    if (!moneyResult.success) throw new Error('Failed to update money for seller');
+
+    // Steuer an Treasury buchen
+    const treasuryId = process.env.TREASURY_FALUKANT_USER_ID;
+    if (treasuryId && taxValue > 0) {
+        const taxResult = await updateFalukantUserMoney(parseInt(treasuryId, 10), taxValue, `Sales tax (${cumulativeTax}%)`, user.id);
+        if (!taxResult.success) throw new Error('Failed to update money for treasury');
+    }
+    
+    // Inventory aktualisieren
+    let remaining = quantity;
+    for (const inv of inventory) {
+        if (inv.quantity <= remaining) {
+            remaining -= inv.quantity;
+            await inv.destroy();
+        } else {
+            await inv.update({ quantity: inv.quantity - remaining });
+            remaining = 0;
+            break;
+        }
+    }
+    
+    // DaySell Eintrag erstellen/aktualisieren
+    await this.addSellItem(branchId, user.id, productId, quantity);
+    
+    // Notifications senden
+    notifyUser(user.user.hashedId, 'falukantUpdateStatus', {});
+    notifyUser(user.user.hashedId, 'falukantBranchUpdate', { branchId: branch.id });
+    return { success: true };
+}
+```
+
+### `addSellItem()`
+```javascript
+async addSellItem(branchId, userId, productId, quantity) {
+    const branch = await Branch.findOne({
+        where: { id: branchId },
+    });
+    const daySell = await DaySell.findOne({
+        where: {
+            regionId: branch.regionId,
+            productId: productId,
+            sellerId: userId,
+        }
+    });
+    if (daySell) {
+        daySell.quantity += quantity;
+        await daySell.save();
+    } else {
+        await DaySell.create({
+            regionId: branch.regionId,
+            productId: productId,
+            sellerId: userId,
+            quantity: quantity,
+        });
+    }
+}
+```
+
+## Wichtige Hinweise
+
+1. **Inventory wird nach Verkauf gelöscht/aktualisiert**: Items werden aus der Inventory entfernt oder die Menge reduziert.
+
+2. **DaySell wird aggregiert**: Wenn bereits ein DaySell Eintrag für Region/Product/Seller existiert, wird die Menge addiert.
+
+3. **Steuer wird an Treasury gebucht**: Wenn `TREASURY_FALUKANT_USER_ID` gesetzt ist, wird die Steuer an diesen User gebucht.
+
+4. **Socket-Notifications**: Nach jedem Verkauf werden `falukantUpdateStatus` und `falukantBranchUpdate` Events gesendet.
+
+5. **Politische Befreiungen**: Bestimmte politische Ämter befreien von Steuern in bestimmten Region-Typen. Chancellor befreit von allen Steuern.
+
+6. **Preis-Inflation**: Der Preis wird basierend auf der Steuer inflatiert, damit der Netto-Betrag für den Verkäufer gleich bleibt.
+
+## Tabellenübersicht
+
+### `falukant_data.inventory`
+- `id` (PK)
+- `stock_id` (FK zu `falukant_data.stock`)
+- `product_id` (FK zu `falukant_type.product`)
+- `quantity` (INTEGER)
+- `quality` (INTEGER)
+- `produced_at` (DATE)
+
+### `falukant_log.sell` (DaySell)
+- `id` (PK)
+- `region_id` (FK zu `falukant_data.region`)
+- `product_id` (FK zu `falukant_type.product`)
+- `seller_id` (FK zu `falukant_data.falukant_user`)
+- `quantity` (INTEGER)
+- `sell_timestamp` (DATE)
+- **Unique Index**: `(seller_id, product_id, region_id)`
+
+### `falukant_data.town_product_worth`
+- `id` (PK)
+- `product_id` (FK zu `falukant_type.product`)
+- `region_id` (FK zu `falukant_data.region`)
+- `worth_percent` (INTEGER, 0-100)
+
+### `falukant_data.knowledge`
+- `id` (PK)
+- `product_id` (FK zu `falukant_type.product`)
+- `character_id` (FK zu `falukant_data.character`)
+- `knowledge` (INTEGER, 0-99)
+
+### `falukant_data.political_office`
+- `id` (PK)
+- `office_type_id` (FK zu `falukant_type.political_office_type`)
+- `character_id` (FK zu `falukant_data.character`)
+- `region_id` (FK zu `falukant_data.region`)
+- `created_at`, `updated_at`
+
+### `falukant_type.political_office_type`
+- `id` (PK)
+- `name` (STRING) - z.B. 'council', 'taxman', 'treasurerer', 'super-state-administrator', 'chancellor'
+- `seats_per_region` (INTEGER)
+- `region_type` (STRING)
+- `term_length` (INTEGER)
+
+### `falukant_data.region`
+- `id` (PK)
+- `name` (STRING)
+- `region_type_id` (FK zu `falukant_type.region`)
+- `parent_id` (FK zu `falukant_data.region`, nullable)
+- `map` (JSONB)
+- `tax_percent` (DECIMAL)
+
+### `falukant_type.region`
+- `id` (PK)
+- `label_tr` (STRING) - z.B. 'city', 'county', 'shire', 'markgrave', 'duchy'
+- `parent_id` (FK zu `falukant_type.region`, nullable)
+
+### `falukant_data.falukant_user`
+- `id` (PK)
+- `user_id` (FK zu `community.user`)
+- `money` (DECIMAL)
+- `credit_amount`, `today_credit_taken`, `credit_interest_rate`
+- `certificate`
+- `main_branch_region_id`
+- `last_nobility_advance_at`
+- `created_at`, `updated_at`
+
+### `falukant_data.character`
+- `id` (PK)
+- `user_id` (FK zu `falukant_data.falukant_user`)
+- `region_id` (FK zu `falukant_data.region`)
+- `first_name`, `last_name`
+- `birthdate`, `gender`, `health`
+- `title_of_nobility` (FK zu `falukant_type.title_of_nobility`)
+- `mood_id` (FK zu `falukant_type.mood`)
+- `created_at`, `updated_at`
+
+### `falukant_data.branch`
+- `id` (PK)
+- `branch_type_id` (FK zu `falukant_type.branch`)
+- `region_id` (FK zu `falukant_data.region`)
+- `falukant_user_id` (FK zu `falukant_data.falukant_user`)
+
+### `falukant_data.stock`
+- `id` (PK)
+- `branch_id` (FK zu `falukant_data.branch`)
+- `stock_type_id` (FK zu `falukant_type.stock`)
+- `quantity` (INTEGER)
+- `product_quality` (INTEGER, nullable)
+
+### `falukant_type.product`
+- `id` (PK)
+- `label_tr` (STRING, unique)
+- `category` (INTEGER)
+- `production_time` (INTEGER)
+- `sell_cost` (INTEGER)
+
+## Dateipfade
+
+- **Service**: `backend/services/falukantService.js`
+- **Models**:
+  - `backend/models/falukant/data/inventory.js`
+  - `backend/models/falukant/log/daysell.js`
+  - `backend/models/falukant/data/town_product_worth.js`
+  - `backend/models/falukant/data/product_knowledge.js`
+  - `backend/models/falukant/data/political_office.js`
+  - `backend/models/falukant/type/political_office_type.js`
+  - `backend/models/falukant/data/region.js`
+  - `backend/models/falukant/type/region.js`
+  - `backend/models/falukant/data/character.js`
+  - `backend/models/falukant/data/user.js`
+  - `backend/models/falukant/data/branch.js`
+  - `backend/models/falukant/data/stock.js`
+  - `backend/models/falukant/type/product.js`
+

SSL-SETUP.md

@@ -0,0 +1,168 @@
+# SSL/TLS Setup für YourPart Daemon
+
+Dieses Dokument beschreibt, wie Sie SSL/TLS-Zertifikate für den YourPart Daemon einrichten können.
+
+## 🚀 Schnellstart
+
+### 1. Self-Signed Certificate (Entwicklung/Testing)
+```bash
+./setup-ssl.sh
+# Wählen Sie Option 1
+```
+
+### 2. Let's Encrypt Certificate (Produktion)
+```bash
+./setup-ssl.sh
+# Wählen Sie Option 2
+```
+
+### 3. Apache2-Zertifikate verwenden (empfohlen für Ubuntu)
+```bash
+./setup-ssl.sh
+# Wählen Sie Option 4
+# Verwendet bereits vorhandene Apache2-Zertifikate
+# ⚠️ Warnung bei Snakeoil-Zertifikaten (nur für localhost)
+```
+
+### 4. DNS-01 Challenge (für komplexe Setups)
+```bash
+./setup-ssl-dns.sh
+# Für Cloudflare, Route53, etc.
+```
+
+## 📋 Voraussetzungen
+
+### Für Apache2-Zertifikate:
+- Apache2 installiert oder Zertifikate in Standard-Pfaden
+- Unterstützte Pfade (priorisiert nach Qualität):
+  - `/etc/letsencrypt/live/your-part.de/fullchain.pem` (Let's Encrypt - empfohlen)
+  - `/etc/letsencrypt/live/$(hostname)/fullchain.pem` (Let's Encrypt)
+  - `/etc/apache2/ssl/apache.crt` (Custom Apache2)
+  - `/etc/ssl/certs/ssl-cert-snakeoil.pem` (Ubuntu Standard - nur localhost)
+
+### Für Let's Encrypt (HTTP-01 Challenge):
+- Port 80 muss verfügbar sein
+- Domain `your-part.de` muss auf den Server zeigen
+- Kein anderer Service auf Port 80
+
+### Für DNS-01 Challenge:
+- DNS-Provider Account (Cloudflare, Route53, etc.)
+- API-Credentials für DNS-Management
+
+## 🔧 Konfiguration
+
+Nach der Zertifikats-Erstellung:
+
+1. **SSL in der Konfiguration aktivieren:**
+   ```ini
+   # /etc/yourpart/daemon.conf
+   WEBSOCKET_SSL_ENABLED=true
+   WEBSOCKET_SSL_CERT_PATH=/etc/yourpart/server.crt
+   WEBSOCKET_SSL_KEY_PATH=/etc/yourpart/server.key
+   ```
+
+2. **Daemon neu starten:**
+   ```bash
+   sudo systemctl restart yourpart-daemon
+   ```
+
+3. **Verbindung testen:**
+   ```bash
+   # WebSocket Secure
+   wss://your-part.de:4551
+   
+   # Oder ohne SSL
+   ws://your-part.de:4551
+   ```
+
+## 🔄 Automatische Erneuerung
+
+### Let's Encrypt-Zertifikate:
+- **Cron Job:** Täglich um 2:30 Uhr
+- **Script:** `/etc/yourpart/renew-ssl.sh`
+- **Log:** `/var/log/yourpart/ssl-renewal.log`
+
+### Apache2-Zertifikate:
+- **Ubuntu Snakeoil:** Automatisch von Apache2 verwaltet
+- **Let's Encrypt:** Automatische Erneuerung wenn erkannt
+- **Custom:** Manuelle Verwaltung erforderlich
+
+## 📁 Dateistruktur
+
+```
+/etc/yourpart/
+├── server.crt          # Zertifikat (Symlink zu Let's Encrypt)
+├── server.key          # Private Key (Symlink zu Let's Encrypt)
+├── renew-ssl.sh        # Auto-Renewal Script
+└── cloudflare.ini      # Cloudflare Credentials (falls verwendet)
+
+/etc/letsencrypt/live/your-part.de/
+├── fullchain.pem       # Vollständige Zertifikatskette
+├── privkey.pem         # Private Key
+├── cert.pem            # Zertifikat
+└── chain.pem           # Intermediate Certificate
+```
+
+## 🛠️ Troubleshooting
+
+### Zertifikat wird nicht akzeptiert
+```bash
+# Prüfe Zertifikats-Gültigkeit
+openssl x509 -in /etc/yourpart/server.crt -text -noout
+
+# Prüfe Berechtigungen
+ls -la /etc/yourpart/server.*
+```
+
+### Let's Encrypt Challenge fehlgeschlagen
+```bash
+# Prüfe Port 80
+sudo netstat -tlnp | grep :80
+
+# Prüfe DNS
+nslookup your-part.de
+
+# Prüfe Firewall
+sudo ufw status
+```
+
+### Auto-Renewal funktioniert nicht
+```bash
+# Prüfe Cron Jobs
+sudo crontab -l
+
+# Teste Renewal Script
+sudo /etc/yourpart/renew-ssl.sh
+
+# Prüfe Logs
+tail -f /var/log/yourpart/ssl-renewal.log
+```
+
+## 🔒 Sicherheit
+
+### Berechtigungen
+- **Zertifikat:** `644` (readable by all, writable by owner)
+- **Private Key:** `600` (readable/writable by owner only)
+- **Owner:** `yourpart:yourpart`
+
+### Firewall
+```bash
+# Öffne Port 80 für Let's Encrypt Challenge
+sudo ufw allow 80/tcp
+
+# Öffne Port 4551 für WebSocket
+sudo ufw allow 4551/tcp
+```
+
+## 📚 Weitere Informationen
+
+- [Let's Encrypt Dokumentation](https://letsencrypt.org/docs/)
+- [Certbot Dokumentation](https://certbot.eff.org/docs/)
+- [libwebsockets SSL](https://libwebsockets.org/lws-api-doc-master/html/group__ssl.html)
+
+## 🆘 Support
+
+Bei Problemen:
+1. Prüfen Sie die Logs: `sudo journalctl -u yourpart-daemon -f`
+2. Testen Sie die Zertifikate: `openssl s_client -connect your-part.de:4551`
+3. Prüfen Sie die Firewall: `sudo ufw status`

backend/README_TAX.md

@@ -0,0 +1,23 @@
+# Falukant Tax Migration & Configuration
+
+This project now supports a per-region sales tax (`tax_percent`) for Falukant.
+
+Migration
+- A SQL migration was added: `backend/migrations/20260101000000-add-tax-percent-to-region.cjs`.
+- It adds `tax_percent` numeric NOT NULL DEFAULT 7 to `falukant_data.region`.
+
+Runtime configuration
+- If you want taxes to be forwarded to a treasury account, set environment variable `TREASURY_FALUKANT_USER_ID` to a valid `falukant_user.id`.
+- If `TREASURY_FALUKANT_USER_ID` is not set, taxes will be calculated and currently not forwarded to any account.
+
+Implementation notes
+- Backend service `sellProduct` and `sellAllProducts` now compute tax per-region and credit net to seller and tax to treasury (if configured).
+- Tax arithmetic uses rounding to 2 decimals. The current implementation performs two separate DB calls (seller, treasury). For strict ledger atomicity consider implementing DB-side booking.
+
+Cumulative tax behavior
+- The system now sums `tax_percent` from the sale region and all ancestor regions (recursive up the region tree). This allows defining different tax rates on up to 6 region levels and summing them for final tax percent.
+- To avoid reducing seller net by taxes, sale prices are inflated by factor = 1 / (1 - cumulativeTax/100). This way the seller receives the original net and the tax is collected separately.
+
+Testing
+- After running the migration, test with a small sale and verify `falukant_log.moneyflow` entries for seller and treasury.
+

backend/analyze-indexes.js

@@ -0,0 +1,184 @@
+#!/usr/bin/env node
+
+/**
+ * Script zur Analyse und Empfehlung von Indizes
+ * 
+ * Analysiert:
+ * - Tabellen mit vielen Sequential Scans
+ * - Fehlende Composite Indizes für häufige JOINs
+ * - Ungenutzte Indizes
+ */
+
+import './config/loadEnv.js';
+import { sequelize } from './utils/sequelize.js';
+
+async function main() {
+    try {
+        console.log('🔍 Index-Analyse und Empfehlungen\n');
+        console.log('='.repeat(60) + '\n');
+
+        // 1. Tabellen mit vielen Sequential Scans
+        await analyzeSequentialScans();
+
+        // 2. Prüfe häufige JOIN-Patterns
+        await analyzeJoinPatterns();
+
+        // 3. Ungenutzte Indizes
+        await analyzeUnusedIndexes();
+
+        console.log('='.repeat(60));
+        console.log('✅ Analyse abgeschlossen\n');
+
+        await sequelize.close();
+        process.exit(0);
+
+    } catch (error) {
+        console.error('❌ Fehler:', error.message);
+        console.error(error.stack);
+        process.exit(1);
+    }
+}
+
+async function analyzeSequentialScans() {
+    console.log('📊 1. Tabellen mit vielen Sequential Scans\n');
+
+    const [tables] = await sequelize.query(`
+        SELECT 
+            schemaname || '.' || relname as table_name,
+            seq_scan,
+            seq_tup_read,
+            idx_scan,
+            seq_tup_read / NULLIF(seq_scan, 0) as avg_rows_per_scan,
+            CASE 
+                WHEN seq_scan + idx_scan > 0 
+                THEN round((seq_scan::numeric / (seq_scan + idx_scan)) * 100, 2)
+                ELSE 0
+            END as seq_scan_percent
+        FROM pg_stat_user_tables
+        WHERE schemaname IN ('falukant_data', 'falukant_type', 'community', 'logs')
+        AND seq_scan > 1000
+        ORDER BY seq_tup_read DESC
+        LIMIT 10;
+    `);
+
+    if (tables.length > 0) {
+        console.log('   ⚠️  Tabellen mit vielen Sequential Scans:');
+        tables.forEach(t => {
+            console.log(`\n   ${t.table_name}:`);
+            console.log(`      Sequential Scans: ${parseInt(t.seq_scan).toLocaleString()}`);
+            console.log(`      Zeilen gelesen: ${parseInt(t.seq_tup_read).toLocaleString()}`);
+            console.log(`      Index Scans: ${parseInt(t.idx_scan).toLocaleString()}`);
+            console.log(`      Seq Scan Anteil: ${t.seq_scan_percent}%`);
+            console.log(`      Ø Zeilen pro Scan: ${parseInt(t.avg_rows_per_scan).toLocaleString()}`);
+            
+            if (t.seq_scan_percent > 50) {
+                console.log(`      ⚠️  KRITISCH: Mehr als 50% Sequential Scans!`);
+            }
+        });
+        console.log('');
+    }
+}
+
+async function analyzeJoinPatterns() {
+    console.log('🔗 2. Analyse häufiger JOIN-Patterns\n');
+
+    // Prüfe welche Indizes auf knowledge existieren
+    const [knowledgeIndexes] = await sequelize.query(`
+        SELECT 
+            indexname,
+            indexdef
+        FROM pg_indexes
+        WHERE schemaname = 'falukant_data'
+        AND tablename = 'knowledge'
+        ORDER BY indexname;
+    `);
+
+    console.log('   Indizes auf falukant_data.knowledge:');
+    if (knowledgeIndexes.length > 0) {
+        knowledgeIndexes.forEach(idx => {
+            console.log(`      - ${idx.indexname}: ${idx.indexdef}`);
+        });
+    } else {
+        console.log('      Keine Indizes gefunden');
+    }
+    console.log('');
+
+    // Empfehlung: Composite Index auf (character_id, product_id)
+    const [knowledgeUsage] = await sequelize.query(`
+        SELECT 
+            idx_scan,
+            idx_tup_read,
+            idx_tup_fetch
+        FROM pg_stat_user_indexes
+        WHERE schemaname = 'falukant_data'
+        AND relname = 'knowledge'
+        AND indexrelname = 'idx_knowledge_character_id';
+    `);
+
+    if (knowledgeUsage.length > 0) {
+        const usage = knowledgeUsage[0];
+        console.log('   Aktuelle Nutzung von idx_knowledge_character_id:');
+        console.log(`      Scans: ${parseInt(usage.idx_scan).toLocaleString()}`);
+        console.log(`      Zeilen gelesen: ${parseInt(usage.idx_tup_read).toLocaleString()}`);
+        console.log('');
+        
+        console.log('   💡 Empfehlung:');
+        console.log('      CREATE INDEX IF NOT EXISTS idx_knowledge_character_product');
+        console.log('      ON falukant_data.knowledge(character_id, product_id);');
+        console.log('      → Wird häufig für JOINs mit character_id UND product_id verwendet\n');
+    }
+
+    // Prüfe character Indizes
+    const [characterIndexes] = await sequelize.query(`
+        SELECT 
+            indexname,
+            indexdef
+        FROM pg_indexes
+        WHERE schemaname = 'falukant_data'
+        AND tablename = 'character'
+        ORDER BY indexname;
+    `);
+
+    console.log('   Indizes auf falukant_data.character:');
+    if (characterIndexes.length > 0) {
+        characterIndexes.forEach(idx => {
+            console.log(`      - ${idx.indexname}: ${idx.indexdef}`);
+        });
+    }
+    console.log('');
+}
+
+async function analyzeUnusedIndexes() {
+    console.log('🗑️  3. Ungenutzte Indizes\n');
+
+    const [unused] = await sequelize.query(`
+        SELECT 
+            schemaname || '.' || indexrelname as index_name,
+            schemaname || '.' || relname as table_name,
+            pg_size_pretty(pg_relation_size(indexrelid)) as index_size,
+            idx_scan as scans,
+            pg_relation_size(indexrelid) as size_bytes
+        FROM pg_stat_user_indexes
+        WHERE schemaname IN ('falukant_data', 'falukant_type', 'community', 'logs')
+        AND idx_scan = 0
+        AND pg_relation_size(indexrelid) > 1024 * 1024  -- Größer als 1MB
+        ORDER BY pg_relation_size(indexrelid) DESC
+        LIMIT 10;
+    `);
+
+    if (unused.length > 0) {
+        console.log('   ⚠️  Ungenutzte Indizes (> 1MB):');
+        unused.forEach(idx => {
+            console.log(`      ${idx.index_name} auf ${idx.table_name}`);
+            console.log(`         Größe: ${idx.index_size}, Scans: ${idx.scans}`);
+        });
+        console.log('');
+        console.log('   💡 Überlege, ob diese Indizes gelöscht werden können:');
+        console.log('      DROP INDEX IF EXISTS <index_name>;');
+        console.log('');
+    } else {
+        console.log('   ✅ Keine großen ungenutzten Indizes gefunden\n');
+    }
+}
+
+main();

backend/app.js

@@ -1,6 +1,7 @@
 import express from 'express';
 import path from 'path';
 import { fileURLToPath } from 'url';
+import crypto from 'crypto';
 import chatRouter from './routers/chatRouter.js';
 import authRouter from './routers/authRouter.js';
 import navigationRouter from './routers/navigationRouter.js';
@@ -11,11 +12,17 @@ import socialnetworkRouter from './routers/socialnetworkRouter.js';
 import forumRouter from './routers/forumRouter.js';
 import falukantRouter from './routers/falukantRouter.js';
 import friendshipRouter from './routers/friendshipRouter.js';
+import modelsProxyRouter from './routers/modelsProxyRouter.js';
 import blogRouter from './routers/blogRouter.js';
 import match3Router from './routers/match3Router.js';
 import taxiRouter from './routers/taxiRouter.js';
 import taxiMapRouter from './routers/taxiMapRouter.js';
 import taxiHighscoreRouter from './routers/taxiHighscoreRouter.js';
+import termineRouter from './routers/termineRouter.js';
+import vocabRouter from './routers/vocabRouter.js';
+import dashboardRouter from './routers/dashboardRouter.js';
+import newsRouter from './routers/newsRouter.js';
+import calendarRouter from './routers/calendarRouter.js';
 import cors from 'cors';
 import './jobs/sessionCleanup.js';
 
@@ -24,16 +31,59 @@ const __dirname = path.dirname(__filename);
 
 const app = express();
 
+// Request-Timing (aktivierbar per ENV)
+// - LOG_SLOW_REQ_MS=200: Logge Requests, die länger dauern als X ms (Default 500)
+// - LOG_ALL_REQ=1: Logge alle Requests
+const LOG_ALL_REQ = process.env.LOG_ALL_REQ === '1';
+const LOG_SLOW_REQ_MS = Number.parseInt(process.env.LOG_SLOW_REQ_MS || '500', 10);
+const defaultCorsOrigins = [
+  'http://localhost:3000',
+  'http://localhost:5173',
+  'http://127.0.0.1:3000',
+  'http://127.0.0.1:5173'
+];
+const corsOrigins = (process.env.CORS_ORIGINS || process.env.FRONTEND_URL || '')
+  .split(',')
+  .map((origin) => origin.trim())
+  .filter(Boolean);
+const effectiveCorsOrigins = corsOrigins.length > 0 ? corsOrigins : defaultCorsOrigins;
+const corsAllowAll = process.env.CORS_ALLOW_ALL === '1';
+
+app.use((req, res, next) => {
+  const reqId = req.headers['x-request-id'] || (crypto.randomUUID ? crypto.randomUUID() : crypto.randomBytes(8).toString('hex'));
+  req.reqId = reqId;
+  res.setHeader('x-request-id', reqId);
+  const t0 = Date.now();
+  res.on('finish', () => {
+    const ms = Date.now() - t0;
+    if (LOG_ALL_REQ || ms >= LOG_SLOW_REQ_MS) {
+      console.log(`⏱️  REQ ${ms}ms ${res.statusCode} ${req.method} ${req.originalUrl} rid=${reqId}`);
+    }
+  });
+  next();
+});
+
 const corsOptions = {
-  origin: ['http://localhost:3000', 'http://localhost:5173', 'http://127.0.0.1:3000', 'http://127.0.0.1:5173'], 
+  origin(origin, callback) {
+    if (!origin) {
+      return callback(null, true);
+    }
+
+    if (corsAllowAll || effectiveCorsOrigins.includes(origin)) {
+      return callback(null, true);
+    }
+
+    return callback(null, false);
+  },
   methods: ['GET', 'HEAD', 'PUT', 'PATCH', 'POST', 'DELETE'],
-  allowedHeaders: ['Content-Type', 'Authorization', 'userId', 'authCode'],
+  allowedHeaders: ['Content-Type', 'Authorization', 'userid', 'authcode', 'userId', 'authCode'],
   credentials: true,
   preflightContinue: false,
   optionsSuccessStatus: 204
 };
 
 app.use(cors(corsOptions));
+app.options('*', cors(corsOptions));
 app.use(express.json()); // To handle JSON request bodies
 
 app.use('/api/chat', chatRouter);
@@ -48,13 +98,26 @@ app.use('/api/taxi/highscores', taxiHighscoreRouter);
 app.use('/images', express.static(path.join(__dirname, '../frontend/public/images')));
 app.use('/api/contact', contactRouter);
 app.use('/api/socialnetwork', socialnetworkRouter);
+app.use('/api/vocab', vocabRouter);
 app.use('/api/forum', forumRouter);
 app.use('/api/falukant', falukantRouter);
 app.use('/api/friendships', friendshipRouter);
+app.use('/api/models', modelsProxyRouter);
 app.use('/api/blog', blogRouter);
+app.use('/api/termine', termineRouter);
+app.use('/api/dashboard', dashboardRouter);
+app.use('/api/news', newsRouter);
+app.use('/api/calendar', calendarRouter);
 
 // Serve frontend SPA for non-API routes to support history mode clean URLs
+// /models/* nicht statisch ausliefern – nur über /api/models (Proxy mit Komprimierung)
 const frontendDir = path.join(__dirname, '../frontend');
+app.use((req, res, next) => {
+  if (req.path.startsWith('/models/')) {
+    return res.status(404).send('Use /api/models/ for 3D models (optimized).');
+  }
+  next();
+});
 app.use(express.static(path.join(frontendDir, 'dist')));
 app.get(/^\/(?!api\/).*/, (req, res) => {
   res.sendFile(path.join(frontendDir, 'dist', 'index.html'));

backend/check-connections.js

@@ -0,0 +1,86 @@
+#!/usr/bin/env node
+
+/**
+ * Script zum Prüfen und Bereinigen von PostgreSQL-Verbindungen
+ */
+
+import './config/loadEnv.js';
+import { sequelize } from './utils/sequelize.js';
+
+async function main() {
+    try {
+        console.log('🔍 Prüfe PostgreSQL-Verbindungen...\n');
+        
+        // Prüfe aktive Verbindungen
+        const [connections] = await sequelize.query(`
+            SELECT 
+                count(*) as total,
+                count(*) FILTER (WHERE state = 'active') as active,
+                count(*) FILTER (WHERE state = 'idle') as idle,
+                count(*) FILTER (WHERE state = 'idle in transaction') as idle_in_transaction,
+                count(*) FILTER (WHERE usename = current_user) as my_connections
+            FROM pg_stat_activity
+            WHERE datname = current_database();
+        `);
+        
+        console.log('📊 Verbindungsstatistik:');
+        console.log(`   Gesamt: ${connections[0].total}`);
+        console.log(`   Aktiv: ${connections[0].active}`);
+        console.log(`   Idle: ${connections[0].idle}`);
+        console.log(`   Idle in Transaction: ${connections[0].idle_in_transaction}`);
+        console.log(`   Meine Verbindungen: ${connections[0].my_connections}\n`);
+        
+        // Prüfe max_connections Limit
+        const [maxConn] = await sequelize.query(`
+            SELECT setting::int as max_connections 
+            FROM pg_settings 
+            WHERE name = 'max_connections';
+        `);
+        console.log(`📈 Max Connections Limit: ${maxConn[0].max_connections}`);
+        console.log(`📉 Verfügbare Connections: ${maxConn[0].max_connections - connections[0].total}\n`);
+        
+        // Zeige alte idle Verbindungen
+        const [oldConnections] = await sequelize.query(`
+            SELECT 
+                pid,
+                usename,
+                application_name,
+                state,
+                state_change,
+                now() - state_change as idle_duration,
+                query
+            FROM pg_stat_activity
+            WHERE datname = current_database()
+            AND state = 'idle'
+            AND state_change < now() - interval '1 minute'
+            ORDER BY state_change ASC
+            LIMIT 10;
+        `);
+        
+        if (oldConnections.length > 0) {
+            console.log(`⚠️  Gefunden ${oldConnections.length} alte idle Verbindungen (> 1 Minute):`);
+            oldConnections.forEach(conn => {
+                console.log(`   PID: ${conn.pid}, User: ${conn.usename}, Idle seit: ${conn.idle_duration}`);
+            });
+            console.log('\n💡 Tipp: Du kannst alte Verbindungen beenden mit:');
+            console.log('   SELECT pg_terminate_backend(pid) FROM pg_stat_activity');
+            console.log('   WHERE datname = current_database() AND state = \'idle\' AND state_change < now() - interval \'5 minutes\';\n');
+        }
+        
+        // Prüfe ob wir nahe am Limit sind
+        const usagePercent = (connections[0].total / maxConn[0].max_connections) * 100;
+        if (usagePercent > 80) {
+            console.log(`⚠️  WARNUNG: ${usagePercent.toFixed(1)}% der verfügbaren Verbindungen werden verwendet!`);
+            console.log('   Es könnte sein, dass nicht genug Verbindungen verfügbar sind.\n');
+        }
+        
+        await sequelize.close();
+        process.exit(0);
+        
+    } catch (error) {
+        console.error('❌ Fehler:', error.message);
+        process.exit(1);
+    }
+}
+
+main();

backend/check-knowledge-pkey.js

@@ -0,0 +1,142 @@
+#!/usr/bin/env node
+
+/**
+ * Script zur Analyse des knowledge_pkey Problems
+ * 
+ * Prüft warum knowledge_pkey nicht verwendet wird
+ */
+
+import './config/loadEnv.js';
+import { sequelize } from './utils/sequelize.js';
+
+async function main() {
+    try {
+        console.log('🔍 Analyse knowledge_pkey Problem\n');
+        console.log('='.repeat(60) + '\n');
+
+        // Prüfe ob knowledge einen Primary Key hat
+        const [pkInfo] = await sequelize.query(`
+            SELECT 
+                a.attname as column_name,
+                t.conname as constraint_name,
+                t.contype as constraint_type
+            FROM pg_constraint t
+            JOIN pg_class c ON c.oid = t.conrelid
+            JOIN pg_namespace n ON n.oid = c.relnamespace
+            JOIN pg_attribute a ON a.attrelid = c.oid AND a.attnum = ANY(t.conkey)
+            WHERE n.nspname = 'falukant_data'
+            AND c.relname = 'knowledge'
+            AND t.contype = 'p';
+        `);
+
+        console.log('📋 Primary Key Information:');
+        if (pkInfo.length > 0) {
+            pkInfo.forEach(pk => {
+                console.log(`   Constraint: ${pk.constraint_name}`);
+                console.log(`   Spalte: ${pk.column_name}`);
+                console.log(`   Typ: ${pk.constraint_type === 'p' ? 'PRIMARY KEY' : pk.constraint_type}`);
+            });
+        } else {
+            console.log('   ⚠️  Kein Primary Key gefunden!');
+        }
+        console.log('');
+
+        // Prüfe alle Indizes auf knowledge
+        const [allIndexes] = await sequelize.query(`
+            SELECT 
+                indexname,
+                indexdef,
+                idx_scan,
+                idx_tup_read,
+                idx_tup_fetch
+            FROM pg_indexes
+            LEFT JOIN pg_stat_user_indexes 
+                ON pg_stat_user_indexes.indexrelname = pg_indexes.indexname
+                AND pg_stat_user_indexes.schemaname = pg_indexes.schemaname
+            WHERE pg_indexes.schemaname = 'falukant_data'
+            AND pg_indexes.tablename = 'knowledge'
+            ORDER BY indexname;
+        `);
+
+        console.log('📊 Alle Indizes auf knowledge:');
+        allIndexes.forEach(idx => {
+            console.log(`\n   ${idx.indexname}:`);
+            console.log(`      Definition: ${idx.indexdef}`);
+            console.log(`      Scans: ${idx.idx_scan ? parseInt(idx.idx_scan).toLocaleString() : 'N/A'}`);
+            console.log(`      Zeilen gelesen: ${idx.idx_tup_read ? parseInt(idx.idx_tup_read).toLocaleString() : 'N/A'}`);
+        });
+        console.log('');
+
+        // Prüfe Tabellenstruktur
+        const [tableStructure] = await sequelize.query(`
+            SELECT 
+                column_name,
+                data_type,
+                is_nullable,
+                column_default
+            FROM information_schema.columns
+            WHERE table_schema = 'falukant_data'
+            AND table_name = 'knowledge'
+            ORDER BY ordinal_position;
+        `);
+
+        console.log('📋 Tabellenstruktur:');
+        tableStructure.forEach(col => {
+            console.log(`   ${col.column_name}: ${col.data_type} ${col.is_nullable === 'NO' ? 'NOT NULL' : 'NULL'}`);
+        });
+        console.log('');
+
+        // Erklärung: Warum knowledge_pkey ungenutzt ist
+        const pkUnused = allIndexes.find(i => i.indexname === 'knowledge_pkey' && (i.idx_scan == null || parseInt(i.idx_scan) === 0));
+        if (pkUnused) {
+            console.log('💡 Warum knowledge_pkey (0 Scans) ungenutzt ist:');
+            console.log('   Alle Zugriffe filtern nach (character_id, product_id), nie nach id.');
+            console.log('   Der PK-Index wird nur für Eindeutigkeit/Referenzen genutzt, nicht für Lookups.');
+            console.log('   idx_knowledge_character_product deckt die tatsächlichen Queries ab.\n');
+        }
+
+        // Prüfe ob Queries mit id (Primary Key) gemacht werden
+        let idUsage = [];
+        try {
+            const [rows] = await sequelize.query(`
+            SELECT 
+                query,
+                calls,
+                total_exec_time,
+                mean_exec_time
+            FROM pg_stat_statements
+            WHERE query LIKE '%knowledge%'
+            AND (query LIKE '%knowledge.id%' OR query LIKE '%knowledge%id%')
+            ORDER BY calls DESC
+            LIMIT 5;
+        `);
+            idUsage = rows;
+        } catch (e) {
+            console.log('   ℹ️  pg_stat_statements nicht verfügbar – keine Query-Statistik.\n');
+        }
+
+        if (idUsage.length > 0) {
+            console.log('🔍 Queries die knowledge.id verwenden:');
+            idUsage.forEach(q => {
+                console.log(`   Aufrufe: ${parseInt(q.calls).toLocaleString()}`);
+                console.log(`   Query: ${q.query.substring(0, 150)}...`);
+                console.log('');
+            });
+        }
+
+        await sequelize.close();
+        process.exit(0);
+
+    } catch (error) {
+        if (error.message.includes('pg_stat_statements')) {
+            console.log('   ⚠️  pg_stat_statements ist nicht aktiviert oder nicht verfügbar\n');
+        } else {
+            console.error('❌ Fehler:', error.message);
+            console.error(error.stack);
+        }
+        await sequelize.close();
+        process.exit(1);
+    }
+}
+
+main();

backend/cleanup-connections.js

@@ -0,0 +1,55 @@
+#!/usr/bin/env node
+
+/**
+ * Script zum Bereinigen von alten/idle PostgreSQL-Verbindungen
+ */
+
+import './config/loadEnv.js';
+import { sequelize } from './utils/sequelize.js';
+
+async function main() {
+    try {
+        console.log('🧹 Bereinige alte PostgreSQL-Verbindungen...\n');
+        
+        // Beende idle Verbindungen, die älter als 5 Minuten sind (außer unserer eigenen)
+        const [result] = await sequelize.query(`
+            SELECT pg_terminate_backend(pid) as terminated
+            FROM pg_stat_activity
+            WHERE datname = current_database()
+            AND pid <> pg_backend_pid()
+            AND state = 'idle'
+            AND state_change < now() - interval '5 minutes';
+        `);
+        
+        const terminated = result.filter(r => r.terminated).length;
+        console.log(`✅ ${terminated} alte idle Verbindungen wurden beendet\n`);
+        
+        // Zeige verbleibende Verbindungen
+        const [connections] = await sequelize.query(`
+            SELECT 
+                count(*) as total,
+                count(*) FILTER (WHERE state = 'active') as active,
+                count(*) FILTER (WHERE state = 'idle') as idle
+            FROM pg_stat_activity
+            WHERE datname = current_database();
+        `);
+        
+        console.log('📊 Verbleibende Verbindungen:');
+        console.log(`   Gesamt: ${connections[0].total}`);
+        console.log(`   Aktiv: ${connections[0].active}`);
+        console.log(`   Idle: ${connections[0].idle}\n`);
+        
+        await sequelize.close();
+        process.exit(0);
+        
+    } catch (error) {
+        console.error('❌ Fehler:', error.message);
+        if (error.message.includes('SUPERUSER')) {
+            console.error('\n💡 Tipp: Du benötigst Superuser-Rechte oder musst warten, bis Verbindungen freigegeben werden.');
+            console.error('   Versuche es in ein paar Minuten erneut.');
+        }
+        process.exit(1);
+    }
+}
+
+main();

backend/config/chatBridge.json

@@ -1,4 +1,4 @@
 {
   "host": "localhost",
-  "port": 1235
+  "port": 1236
 }

backend/config/loadEnv.js

@@ -12,26 +12,52 @@ const productionEnvPath = '/opt/yourpart/backend/.env';
 const localEnvPath = path.resolve(__dirname, '../.env');
 
 let envPath = localEnvPath; // Fallback
+let usingProduction = false;
 if (fs.existsSync(productionEnvPath)) {
+  // Prüfe Lesbarkeit bevor wir versuchen, sie zu laden
+  try {
+    fs.accessSync(productionEnvPath, fs.constants.R_OK);
     envPath = productionEnvPath;
-  console.log('[env] Lade Produktions-.env:', productionEnvPath);
+    usingProduction = true;
+    console.log('[env] Produktions-.env gefunden und lesbar:', productionEnvPath);
+  } catch (err) {
+    console.warn('[env] Produktions-.env vorhanden, aber nicht lesbar - verwende lokale .env stattdessen:', productionEnvPath);
+    console.warn('[env] Fehler:', err && err.message);
+    envPath = localEnvPath;
+  }
 } else {
-  console.log('[env] Lade lokale .env:', localEnvPath);
+  console.log('[env] Produktions-.env nicht gefunden, lade lokale .env:', localEnvPath);
 }
 
-// Lade .env-Datei
+// Lade .env-Datei (robust gegen Fehler)
 console.log('[env] Versuche .env zu laden von:', envPath);
 console.log('[env] Datei existiert:', fs.existsSync(envPath));
-console.log('[env] Datei lesbar:', fs.accessSync ? (() => { try { fs.accessSync(envPath, fs.constants.R_OK); return true; } catch { return false; } })() : 'unbekannt');
+let result;
-
+try {
-const result = dotenv.config({ path: envPath });
+  result = dotenv.config({ path: envPath });
   if (result.error) {
     console.warn('[env] Konnte .env nicht laden:', result.error.message);
     console.warn('[env] Fehler-Details:', result.error);
   } else {
-  console.log('[env] .env erfolgreich geladen von:', envPath);
+    console.log('[env] .env erfolgreich geladen von:', envPath, usingProduction ? '(production)' : '(local)');
     console.log('[env] Geladene Variablen:', Object.keys(result.parsed || {}));
   }
+} catch (err) {
+  // Sollte nicht passieren, aber falls dotenv intern eine Exception wirft (z.B. EACCES), fange sie ab
+  console.warn('[env] Unerwarteter Fehler beim Laden der .env:', err && err.message);
+  console.warn('[env] Stack:', err && err.stack);
+  if (envPath !== localEnvPath && fs.existsSync(localEnvPath)) {
+    console.log('[env] Versuche stattdessen lokale .env:', localEnvPath);
+    try {
+      result = dotenv.config({ path: localEnvPath });
+      if (!result.error) {
+        console.log('[env] Lokale .env erfolgreich geladen von:', localEnvPath);
+      }
+    } catch (err2) {
+      console.warn('[env] Konnte lokale .env auch nicht laden:', err2 && err2.message);
+    }
+  }
+}
 
 // Debug: Zeige Redis-Konfiguration
 console.log('[env] Redis-Konfiguration:');

backend/controllers/adminController.js

@@ -27,6 +27,7 @@ class AdminController {
         // User administration
         this.searchUsers = this.searchUsers.bind(this);
         this.getUser = this.getUser.bind(this);
+        this.getUsers = this.getUsers.bind(this);
         this.updateUser = this.updateUser.bind(this);
 
         // Rights
@@ -37,6 +38,14 @@ class AdminController {
 
         // Statistics
         this.getUserStatistics = this.getUserStatistics.bind(this);
+        this.getFalukantRegions = this.getFalukantRegions.bind(this);
+        this.updateFalukantRegionMap = this.updateFalukantRegionMap.bind(this);
+        this.getRegionDistances = this.getRegionDistances.bind(this);
+        this.upsertRegionDistance = this.upsertRegionDistance.bind(this);
+        this.deleteRegionDistance = this.deleteRegionDistance.bind(this);
+        this.createNPCs = this.createNPCs.bind(this);
+        this.getTitlesOfNobility = this.getTitlesOfNobility.bind(this);
+        this.getNPCsCreationStatus = this.getNPCsCreationStatus.bind(this);
     }
 
     async getOpenInterests(req, res) {
@@ -74,6 +83,30 @@ class AdminController {
         }
     }
 
+    async getUsers(req, res) {
+        try {
+            const { userid: requester } = req.headers;
+            let { ids } = req.query;
+            if (!ids) {
+                return res.status(400).json({ error: 'ids query parameter is required' });
+            }
+            // Unterstütze sowohl Array-Format (ids[]=...) als auch komma-separierten String (ids=...)
+            let hashedIds;
+            if (Array.isArray(ids)) {
+                hashedIds = ids;
+            } else if (typeof ids === 'string') {
+                hashedIds = ids.split(',').map(id => id.trim()).filter(id => id.length > 0);
+            } else {
+                return res.status(400).json({ error: 'ids must be an array or comma-separated string' });
+            }
+            const result = await AdminService.getUsersByHashedIds(requester, hashedIds);
+            res.status(200).json(result);
+        } catch (error) {
+            const status = error.message === 'noaccess' ? 403 : 500;
+            res.status(status).json({ error: error.message });
+        }
+    }
+
     async updateUser(req, res) {
         try {
             const { userid: requester } = req.headers;
@@ -290,6 +323,122 @@ class AdminController {
         }
     }
 
+    async getFalukantRegions(req, res) {
+        try {
+            const { userid: userId } = req.headers;
+            const regions = await AdminService.getFalukantRegions(userId);
+            res.status(200).json(regions);
+        } catch (error) {
+            console.log(error);
+            const status = error.message === 'noaccess' ? 403 : 500;
+            res.status(status).json({ error: error.message });
+        }
+    }
+
+    async updateFalukantRegionMap(req, res) {
+        try {
+            const { userid: userId } = req.headers;
+            const { id } = req.params;
+            const { map } = req.body || {};
+            const region = await AdminService.updateFalukantRegionMap(userId, id, map);
+            res.status(200).json(region);
+        } catch (error) {
+            console.log(error);
+            const status = error.message === 'noaccess' ? 403 : (error.message === 'regionNotFound' ? 404 : 500);
+            res.status(status).json({ error: error.message });
+        }
+    }
+
+    async getRegionDistances(req, res) {
+        try {
+            const { userid: userId } = req.headers;
+            const distances = await AdminService.getRegionDistances(userId);
+            res.status(200).json(distances);
+        } catch (error) {
+            console.log(error);
+            const status = error.message === 'noaccess' ? 403 : 500;
+            res.status(status).json({ error: error.message });
+        }
+    }
+
+    async upsertRegionDistance(req, res) {
+        try {
+            const { userid: userId } = req.headers;
+            const record = await AdminService.upsertRegionDistance(userId, req.body || {});
+            res.status(200).json(record);
+        } catch (error) {
+            console.log(error);
+            const status = error.message === 'noaccess' ? 403 : 400;
+            res.status(status).json({ error: error.message });
+        }
+    }
+
+    async deleteRegionDistance(req, res) {
+        try {
+            const { userid: userId } = req.headers;
+            const { id } = req.params;
+            const result = await AdminService.deleteRegionDistance(userId, id);
+            res.status(200).json(result);
+        } catch (error) {
+            console.log(error);
+            const status = error.message === 'noaccess' ? 403 : (error.message === 'notfound' ? 404 : 500);
+            res.status(status).json({ error: error.message });
+        }
+    }
+
+    async createNPCs(req, res) {
+        try {
+            const { userid: userId } = req.headers;
+            const { regionIds, minAge, maxAge, minTitleId, maxTitleId, count } = req.body;
+            const countValue = parseInt(count) || 1;
+            if (countValue < 1 || countValue > 500) {
+                return res.status(400).json({ error: 'Count must be between 1 and 500' });
+            }
+            console.log('[createNPCs] Request received:', { userId, regionIds, minAge, maxAge, minTitleId, maxTitleId, count: countValue });
+            const result = await AdminService.createNPCs(userId, {
+                regionIds: regionIds && regionIds.length > 0 ? regionIds : null,
+                minAge: parseInt(minAge) || 0,
+                maxAge: parseInt(maxAge) || 100,
+                minTitleId: parseInt(minTitleId) || 1,
+                maxTitleId: parseInt(maxTitleId) || 19,
+                count: countValue
+            });
+            console.log('[createNPCs] Job created:', result);
+            res.status(200).json(result);
+        } catch (error) {
+            console.error('[createNPCs] Error:', error);
+            console.error('[createNPCs] Error stack:', error.stack);
+            const status = error.message === 'noaccess' ? 403 : 500;
+            res.status(status).json({ error: error.message || 'Internal server error' });
+        }
+    }
+
+    async getTitlesOfNobility(req, res) {
+        try {
+            const { userid: userId } = req.headers;
+            const titles = await AdminService.getTitlesOfNobility(userId);
+            res.status(200).json(titles);
+        } catch (error) {
+            console.log(error);
+            const status = error.message === 'noaccess' ? 403 : 500;
+            res.status(status).json({ error: error.message });
+        }
+    }
+
+    async getNPCsCreationStatus(req, res) {
+        try {
+            const { userid: userId } = req.headers;
+            const { jobId } = req.params;
+            const status = await AdminService.getNPCsCreationStatus(userId, jobId);
+            res.status(200).json(status);
+        } catch (error) {
+            console.log(error);
+            const status = error.message === 'noaccess' || error.message === 'Access denied' ? 403 : 
+                          error.message === 'Job not found' ? 404 : 500;
+            res.status(status).json({ error: error.message });
+        }
+    }
+
     async getRoomTypes(req, res) {
         try {
             const userId = req.headers.userid;

backend/controllers/calendarController.js

@@ -0,0 +1,203 @@
+import calendarService from '../services/calendarService.js';
+
+function getHashedUserId(req) {
+    return req.headers?.userid;
+}
+
+export default {
+    /**
+     * GET /api/calendar/events
+     * Get all events for the authenticated user
+     * Query params: startDate, endDate (optional)
+     */
+    async getEvents(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+
+        try {
+            const { startDate, endDate } = req.query;
+            const events = await calendarService.getEvents(hashedUserId, { startDate, endDate });
+            res.json(events);
+        } catch (error) {
+            console.error('Calendar getEvents:', error);
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    },
+
+    /**
+     * GET /api/calendar/events/:id
+     * Get a single event by ID
+     */
+    async getEvent(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+
+        try {
+            const event = await calendarService.getEvent(hashedUserId, req.params.id);
+            res.json(event);
+        } catch (error) {
+            console.error('Calendar getEvent:', error);
+            if (error.message === 'Event not found') {
+                return res.status(404).json({ error: 'Event not found' });
+            }
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    },
+
+    /**
+     * POST /api/calendar/events
+     * Create a new event
+     */
+    async createEvent(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+
+        try {
+            const eventData = req.body;
+            if (!eventData.title || !eventData.startDate) {
+                return res.status(400).json({ error: 'Title and startDate are required' });
+            }
+
+            const event = await calendarService.createEvent(hashedUserId, eventData);
+            res.status(201).json(event);
+        } catch (error) {
+            console.error('Calendar createEvent:', error);
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    },
+
+    /**
+     * PUT /api/calendar/events/:id
+     * Update an existing event
+     */
+    async updateEvent(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+
+        try {
+            const eventData = req.body;
+            if (!eventData.title || !eventData.startDate) {
+                return res.status(400).json({ error: 'Title and startDate are required' });
+            }
+
+            const event = await calendarService.updateEvent(hashedUserId, req.params.id, eventData);
+            res.json(event);
+        } catch (error) {
+            console.error('Calendar updateEvent:', error);
+            if (error.message === 'Event not found') {
+                return res.status(404).json({ error: 'Event not found' });
+            }
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    },
+
+    /**
+     * DELETE /api/calendar/events/:id
+     * Delete an event
+     */
+    async deleteEvent(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+
+        try {
+            await calendarService.deleteEvent(hashedUserId, req.params.id);
+            res.json({ success: true });
+        } catch (error) {
+            console.error('Calendar deleteEvent:', error);
+            if (error.message === 'Event not found') {
+                return res.status(404).json({ error: 'Event not found' });
+            }
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    },
+
+    /**
+     * GET /api/calendar/birthdays
+     * Get friends' birthdays for a given year
+     * Query params: year (required)
+     */
+    async getFriendsBirthdays(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+
+        try {
+            const year = parseInt(req.query.year) || new Date().getFullYear();
+            const birthdays = await calendarService.getFriendsBirthdays(hashedUserId, year);
+            res.json(birthdays);
+        } catch (error) {
+            console.error('Calendar getFriendsBirthdays:', error);
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    },
+
+    /**
+     * GET /api/calendar/widget/birthdays
+     * Get upcoming birthdays for widget display
+     */
+    async getWidgetBirthdays(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+
+        try {
+            const limit = parseInt(req.query.limit) || 10;
+            const birthdays = await calendarService.getUpcomingBirthdays(hashedUserId, limit);
+            res.json(birthdays);
+        } catch (error) {
+            console.error('Calendar getWidgetBirthdays:', error);
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    },
+
+    /**
+     * GET /api/calendar/widget/upcoming
+     * Get upcoming events for widget display
+     */
+    async getWidgetUpcoming(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+
+        try {
+            const limit = parseInt(req.query.limit) || 10;
+            const events = await calendarService.getUpcomingEvents(hashedUserId, limit);
+            res.json(events);
+        } catch (error) {
+            console.error('Calendar getWidgetUpcoming:', error);
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    },
+
+    /**
+     * GET /api/calendar/widget/mini
+     * Get mini calendar data for widget display
+     */
+    async getWidgetMiniCalendar(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+
+        try {
+            const data = await calendarService.getMiniCalendarData(hashedUserId);
+            res.json(data);
+        } catch (error) {
+            console.error('Calendar getWidgetMiniCalendar:', error);
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    }
+};

backend/controllers/chatController.js

@@ -13,6 +13,9 @@ class ChatController {
     this.sendOneToOneMessage = this.sendOneToOneMessage.bind(this);
     this.getOneToOneMessageHistory = this.getOneToOneMessageHistory.bind(this);
     this.getRoomList = this.getRoomList.bind(this);
+    this.getRoomCreateOptions = this.getRoomCreateOptions.bind(this);
+    this.getOwnRooms = this.getOwnRooms.bind(this);
+    this.deleteOwnRoom = this.deleteOwnRoom.bind(this);
   }
 
   async getMessages(req, res) {
@@ -175,6 +178,41 @@ class ChatController {
       res.status(500).json({ error: error.message });
     }
   }
+
+  async getRoomCreateOptions(req, res) {
+    try {
+      const options = await chatService.getRoomCreateOptions();
+      res.status(200).json(options);
+    } catch (error) {
+      res.status(500).json({ error: error.message });
+    }
+  }
+
+  async getOwnRooms(req, res) {
+    try {
+      const { userid: hashedUserId } = req.headers;
+      const rooms = await chatService.getOwnRooms(hashedUserId);
+      res.status(200).json(rooms);
+    } catch (error) {
+      const status = error.message === 'user_not_found' ? 404 : 500;
+      res.status(status).json({ error: error.message });
+    }
+  }
+
+  async deleteOwnRoom(req, res) {
+    try {
+      const { userid: hashedUserId } = req.headers;
+      const roomId = Number.parseInt(req.params.id, 10);
+      if (!Number.isInteger(roomId) || roomId <= 0) {
+        return res.status(400).json({ error: 'invalid_room_id' });
+      }
+      await chatService.deleteOwnRoom(hashedUserId, roomId);
+      res.status(204).send();
+    } catch (error) {
+      const status = error.message === 'room_not_found_or_not_owner' || error.message === 'user_not_found' ? 404 : 500;
+      res.status(status).json({ error: error.message });
+    }
+  }
 }
 
 export default ChatController;

backend/controllers/dashboardController.js

@@ -0,0 +1,50 @@
+import dashboardService from '../services/dashboardService.js';
+
+function getHashedUserId(req) {
+    return req.headers?.userid;
+}
+
+export default {
+    /** Liste der möglichen Widget-Typen (öffentlich, keine Auth nötig wenn gewünscht – aktuell mit Auth). */
+    async getAvailableWidgets(req, res) {
+        try {
+            const list = await dashboardService.getAvailableWidgets();
+            res.json(list);
+        } catch (error) {
+            console.error('Dashboard getAvailableWidgets:', error);
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    },
+
+    async getConfig(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+        try {
+            const config = await dashboardService.getConfig(hashedUserId);
+            res.json(config);
+        } catch (error) {
+            console.error('Dashboard getConfig:', error);
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    },
+
+    async setConfig(req, res) {
+        const hashedUserId = getHashedUserId(req);
+        if (!hashedUserId) {
+            return res.status(401).json({ error: 'Unauthorized' });
+        }
+        const config = req.body;
+        if (!config || typeof config !== 'object') {
+            return res.status(400).json({ error: 'Invalid config' });
+        }
+        try {
+            const result = await dashboardService.setConfig(hashedUserId, config);
+            res.json(result);
+        } catch (error) {
+            console.error('Dashboard setConfig:', error);
+            res.status(500).json({ error: error.message || 'Internal server error' });
+        }
+    }
+};

backend/controllers/falukantController.js

@@ -26,10 +26,13 @@ class FalukantController {
         }, { successStatus: 201 });
 
         this.getInfo = this._wrapWithUser((userId) => this.service.getInfo(userId));
+    // Dashboard widget: originaler Endpoint (siehe Commit 62d8cd7)
+    this.getDashboardWidget = this._wrapWithUser((userId) => this.service.getDashboardWidget(userId));
         this.getBranches = this._wrapWithUser((userId) => this.service.getBranches(userId));
         this.createBranch = this._wrapWithUser((userId, req) => this.service.createBranch(userId, req.body.cityId, req.body.branchTypeId));
         this.getBranchTypes = this._wrapWithUser((userId) => this.service.getBranchTypes(userId));
         this.getBranch = this._wrapWithUser((userId, req) => this.service.getBranch(userId, req.params.branch));
+        this.upgradeBranch = this._wrapWithUser((userId, req) => this.service.upgradeBranch(userId, req.body.branchId));
         this.createProduction = this._wrapWithUser((userId, req) => {
             const { branchId, productId, quantity } = req.body;
             return this.service.createProduction(userId, branchId, productId, quantity);
@@ -55,6 +58,10 @@ class FalukantController {
             if (!page) page = 1;
             return this.service.moneyHistory(userId, page, filter);
         });
+        this.moneyHistoryGraph = this._wrapWithUser((userId, req) => {
+            const { range } = req.body || {};
+            return this.service.moneyHistoryGraph(userId, range || '24h');
+        });
         this.getStorage = this._wrapWithUser((userId, req) => this.service.getStorage(userId, req.params.branchId));
         this.buyStorage = this._wrapWithUser((userId, req) => {
             const { branchId, amount, stockTypeId } = req.body;
@@ -91,15 +98,40 @@ class FalukantController {
             if (!result) throw { status: 404, message: 'No family data found' };
             return result;
         });
+        this.getPotentialHeirs = this._wrapWithUser((userId) => this.service.getPotentialHeirs(userId));
+        this.selectHeir = this._wrapWithUser((userId, req) => this.service.selectHeir(userId, req.body.heirId));
+        this.setHeir = this._wrapWithUser((userId, req) => this.service.setHeir(userId, req.body.childCharacterId));
         this.acceptMarriageProposal = this._wrapWithUser((userId, req) => this.service.acceptMarriageProposal(userId, req.body.proposalId));
+        this.cancelWooing = this._wrapWithUser(async (userId) => {
+            try {
+                return await this.service.cancelWooing(userId);
+            } catch (e) {
+                if (e && e.name === 'PreconditionError' && e.message === 'cancelTooSoon') {
+                    throw { status: 412, message: 'cancelTooSoon', retryAt: e.meta?.retryAt };
+                }
+                throw e;
+            }
+        }, { successStatus: 202 });
         this.getGifts = this._wrapWithUser((userId) => {
             console.log('🔍 getGifts called with userId:', userId);
             return this.service.getGifts(userId);
         });
         this.getChildren = this._wrapWithUser((userId) => this.service.getChildren(userId));
-        this.sendGift = this._wrapWithUser((userId, req) => this.service.sendGift(userId, req.body.giftId));
+        this.sendGift = this._wrapWithUser(async (userId, req) => {
+            try {
+                return await this.service.sendGift(userId, req.body.giftId);
+            } catch (e) {
+                if (e && e.name === 'PreconditionError' && e.message === 'tooOften') {
+                    throw { status: 412, message: 'tooOften', retryAt: e.meta?.retryAt };
+                }
+                throw e;
+            }
+        });
 
         this.getTitlesOfNobility = this._wrapWithUser((userId) => this.service.getTitlesOfNobility(userId));
+        this.getReputationActions = this._wrapWithUser((userId) => this.service.getReputationActions(userId));
+        this.executeReputationAction = this._wrapWithUser((userId, req) =>
+            this.service.executeReputationAction(userId, req.body?.actionTypeId), { successStatus: 201 });
         this.getHouseTypes = this._wrapWithUser((userId) => this.service.getHouseTypes(userId));
         this.getMoodAffect = this._wrapWithUser((userId) => this.service.getMoodAffect(userId));
         this.getCharacterAffect = this._wrapWithUser((userId) => this.service.getCharacterAffect(userId));
@@ -119,6 +151,17 @@ class FalukantController {
             const { characterId: childId, firstName } = req.body;
             return this.service.baptise(userId, childId, firstName);
         });
+        this.getChurchOverview = this._wrapWithUser((userId) => this.service.getChurchOverview(userId));
+        this.getAvailableChurchPositions = this._wrapWithUser((userId) => this.service.getAvailableChurchPositions(userId));
+        this.getSupervisedApplications = this._wrapWithUser((userId) => this.service.getSupervisedApplications(userId));
+        this.applyForChurchPosition = this._wrapWithUser((userId, req) => {
+            const { officeTypeId, regionId } = req.body;
+            return this.service.applyForChurchPosition(userId, officeTypeId, regionId);
+        });
+        this.decideOnChurchApplication = this._wrapWithUser((userId, req) => {
+            const { applicationId, decision } = req.body;
+            return this.service.decideOnChurchApplication(userId, applicationId, decision);
+        });
 
         this.getEducation = this._wrapWithUser((userId) => this.service.getEducation(userId));
         this.sendToSchool = this._wrapWithUser((userId, req) => {
@@ -134,7 +177,16 @@ class FalukantController {
         this.advanceNobility = this._wrapWithUser((userId) => this.service.advanceNobility(userId));
 
         this.getHealth = this._wrapWithUser((userId) => this.service.getHealth(userId));
-        this.healthActivity = this._wrapWithUser((userId, req) => this.service.healthActivity(userId, req.body.measureTr));
+        this.healthActivity = this._wrapWithUser(async (userId, req) => {
+            try {
+                return await this.service.healthActivity(userId, req.body.measureTr);
+            } catch (e) {
+                if (e && e.name === 'PreconditionError' && e.message === 'tooClose') {
+                    throw { status: 412, message: 'tooClose', retryAt: e.meta?.retryAt };
+                }
+                throw e;
+            }
+        });
 
         this.getPoliticsOverview = this._wrapWithUser((userId) => this.service.getPoliticsOverview(userId));
         this.getOpenPolitics = this._wrapWithUser((userId) => this.service.getOpenPolitics(userId));
@@ -143,6 +195,41 @@ class FalukantController {
         this.applyForElections = this._wrapWithUser((userId, req) => this.service.applyForElections(userId, req.body.electionIds));
 
         this.getRegions = this._wrapWithUser((userId) => this.service.getRegions(userId));
+    this.getBranchTaxes = this._wrapWithUser((userId, req) => this.service.getBranchTaxes(userId, req.params.branchId));
+        this.getProductPriceInRegion = this._wrapWithUser((userId, req) => {
+            const productId = parseInt(req.query.productId, 10);
+            const regionId = parseInt(req.query.regionId, 10);
+            if (Number.isNaN(productId) || Number.isNaN(regionId)) {
+                throw new Error('productId and regionId are required');
+            }
+            return this.service.getProductPriceInRegion(userId, productId, regionId);
+        });
+        this.getAllProductPricesInRegion = this._wrapWithUser((userId, req) => {
+            const regionId = parseInt(req.query.regionId, 10);
+            if (Number.isNaN(regionId)) {
+                throw new Error('regionId is required');
+            }
+            return this.service.getAllProductPricesInRegion(userId, regionId);
+        });
+        this.getProductPricesInCities = this._wrapWithUser((userId, req) => {
+            const productId = parseInt(req.query.productId, 10);
+            const currentPrice = parseFloat(req.query.currentPrice);
+            const currentRegionId = req.query.currentRegionId ? parseInt(req.query.currentRegionId, 10) : null;
+            if (Number.isNaN(productId) || Number.isNaN(currentPrice)) {
+                throw new Error('productId and currentPrice are required');
+            }
+            return this.service.getProductPricesInCities(userId, productId, currentPrice, currentRegionId);
+        });
+        this.getProductPricesInCitiesBatch = this._wrapWithUser((userId, req) => {
+            const body = req.body || {};
+            const items = Array.isArray(body.items) ? body.items : [];
+            const currentRegionId = body.currentRegionId != null ? parseInt(body.currentRegionId, 10) : null;
+            const valid = items.map(i => ({
+                productId: parseInt(i.productId, 10),
+                currentPrice: parseFloat(i.currentPrice)
+            })).filter(i => !Number.isNaN(i.productId) && !Number.isNaN(i.currentPrice));
+            return this.service.getProductPricesInCitiesBatch(userId, valid, Number.isNaN(currentRegionId) ? null : currentRegionId);
+        });
         this.renovate = this._wrapWithUser((userId, req) => this.service.renovate(userId, req.body.element));
         this.renovateAll = this._wrapWithUser((userId) => this.service.renovateAll(userId));
 
@@ -150,6 +237,7 @@ class FalukantController {
         this.getNotifications = this._wrapWithUser((userId) => this.service.getNotifications(userId));
         this.getAllNotifications = this._wrapWithUser((userId, req) => this.service.getAllNotifications(userId, req.query.page, req.query.size));
         this.markNotificationsShown = this._wrapWithUser((userId) => this.service.markNotificationsShown(userId), { successStatus: 202 });
+        this.getDashboardWidget = this._wrapWithUser((userId) => this.service.getDashboardWidget(userId));
         this.getUndergroundTargets = this._wrapWithUser((userId) => this.service.getPoliticalOfficeHolders(userId));
 
         this.searchUsers = this._wrapWithUser((userId, req) => {
@@ -181,6 +269,33 @@ class FalukantController {
             });
         });
 
+        this.getVehicleTypes = this._wrapWithUser((userId) => this.service.getVehicleTypes(userId));
+        this.buyVehicles = this._wrapWithUser(
+            (userId, req) => this.service.buyVehicles(userId, req.body),
+            { successStatus: 201 }
+        );
+        this.getVehicles = this._wrapWithUser(
+            (userId, req) => this.service.getVehicles(userId, req.query.regionId)
+        );
+        this.createTransport = this._wrapWithUser(
+            (userId, req) => this.service.createTransport(userId, req.body),
+            { successStatus: 201 }
+        );
+        this.getTransportRoute = this._wrapWithUser(
+            (userId, req) => this.service.getTransportRoute(userId, req.query)
+        );
+        this.getBranchTransports = this._wrapWithUser(
+            (userId, req) => this.service.getBranchTransports(userId, req.params.branchId)
+        );
+        this.repairVehicle = this._wrapWithUser(
+            (userId, req) => this.service.repairVehicle(userId, req.params.vehicleId),
+            { successStatus: 200 }
+        );
+        this.repairAllVehicles = this._wrapWithUser(
+            (userId, req) => this.service.repairAllVehicles(userId, req.body.vehicleIds),
+            { successStatus: 200 }
+        );
+
     }
 
 
@@ -197,8 +312,14 @@ class FalukantController {
             } catch (error) {
                 console.error('Controller error:', error);
                 const status = error.status && typeof error.status === 'number' ? error.status : 500;
+                // Wenn error ein Objekt mit status ist, alle Felder außer status übernehmen
+                if (error && typeof error === 'object' && error.status && typeof error.status === 'number') {
+                    const { status: errorStatus, ...errorData } = error;
+                    res.status(errorStatus).json({ error: error.message || errorData.message || 'Internal error', ...errorData });
+                } else {
                     res.status(status).json({ error: error.message || 'Internal error' });
                 }
+            }
         };
     }
 

backend/controllers/navigationController.js

@@ -4,6 +4,7 @@ import UserRight from '../models/community/user_right.js';
 import UserRightType from '../models/type/user_right.js';
 import UserParamType from '../models/type/user_param.js';
 import FalukantUser from '../models/falukant/data/user.js';
+import VocabService from '../services/vocabService.js';
 
 const menuStructure = {
     home: {
@@ -117,10 +118,6 @@ const menuStructure = {
                 visible: ["hasfalukantaccount"],
                 path: "/falukant/branch"
             },
-            directors: {
-                visible: ["hasfalukantaccount"],
-                path: "/falukant/directors"
-            },
             family: {
                 visible: ["hasfalukantaccount"],
                 path: "/falukant/family"
@@ -181,6 +178,30 @@ const menuStructure = {
             }
         } 
     },
+    personal: {
+        visible: ["all"],
+        icon: "profile16.png",
+        children: {
+            sprachenlernen: {
+                visible: ["all"],
+                children: {
+                    vocabtrainer: {
+                        visible: ["all"],
+                        path: "/socialnetwork/vocab",
+                        showVocabLanguages: 1  // Flag für dynamische Sprachen-Liste
+                    },
+                    sprachkurse: {
+                        visible: ["all"],
+                        path: "/socialnetwork/vocab/courses"
+                    }
+                }
+            },
+            calendar: {
+                visible: ["all"],
+                path: "/personal/calendar"
+            }
+        }
+    },
     settings: {
         visible: ["all"],
         icon: "settings16.png",
@@ -251,6 +272,10 @@ const menuStructure = {
                 visible: ["mainadmin", "chatrooms"],
                 path: "/admin/chatrooms"
             },
+            servicesStatus: {
+                visible: ["mainadmin"],
+                path: "/admin/services/status"
+            },
             interests: {
                 visible: ["mainadmin", "interests"],
                 path: "/admin/interests"
@@ -270,6 +295,14 @@ const menuStructure = {
                         visible: ["mainadmin", "falukant"],
                         path: "/admin/falukant/database"
                     },
+                    mapEditor: {
+                        visible: ["mainadmin", "falukant"],
+                        path: "/admin/falukant/map"
+                    },
+                    createNPC: {
+                        visible: ["mainadmin", "falukant"],
+                        path: "/admin/falukant/create-npc"
+                    },
                 }
             },
             minigames: {
@@ -292,6 +325,7 @@ const menuStructure = {
 class NavigationController {
     constructor() {
         this.menu = this.menu.bind(this);
+        this.vocabService = new VocabService();
     }
 
     calculateAge(birthDate) {
@@ -361,6 +395,11 @@ class NavigationController {
             const age = this.calculateAge(birthDate);
             const rights = userRights.map(ur => ur.rightType?.title).filter(Boolean);
             const filteredMenu = await this.filterMenu(menuStructure, rights, age, user.id);
+
+            // Vokabeltrainer: Sprachen werden im Frontend dynamisch geladen (wie Forum)
+            // Keine children mehr, da das Menü nur 2 Ebenen unterstützt
+            // Das Frontend lädt die Sprachen separat und zeigt sie als submenu2 an
+
             res.status(200).json(filteredMenu);
         } catch (error) {
             console.error('Error fetching menu:', error);

backend/controllers/newsController.js

@@ -0,0 +1,21 @@
+import newsService from '../services/newsService.js';
+
+/**
+ * GET /api/news?counter=0&language=de&category=top
+ * counter = wievieltes News-Widget aufgerufen wird (0, 1, 2, …), damit keine doppelten Artikel.
+ */
+export default {
+    async getNews(req, res) {
+        const counter = Math.max(0, parseInt(req.query.counter, 10) || 0);
+        const language = (req.query.language || 'de').slice(0, 10);
+        const category = (req.query.category || 'top').slice(0, 50);
+
+        try {
+            const { results, nextPage } = await newsService.getNews({ counter, language, category });
+            res.json({ results, nextPage });
+        } catch (error) {
+            console.error('News getNews:', error);
+            res.status(500).json({ error: error.message || 'News konnten nicht geladen werden.' });
+        }
+    }
+};

backend/controllers/termineController.js

@@ -0,0 +1,43 @@
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+class TermineController {
+    async getTermine(req, res) {
+        try {
+            const csvPath = path.join(__dirname, '../data/termine.csv');
+            const csvContent = fs.readFileSync(csvPath, 'utf-8');
+            
+            const lines = csvContent.trim().split('\n');
+            const headers = lines[0].split(',');
+            
+            const termine = lines.slice(1).map(line => {
+                const values = line.split(',');
+                const termin = {};
+                headers.forEach((header, index) => {
+                    termin[header] = values[index] || '';
+                });
+                return termin;
+            });
+            
+            // Sortiere nach Datum
+            termine.sort((a, b) => new Date(a.datum) - new Date(b.datum));
+            
+            // Filtere nur zukünftige Termine
+            const heute = new Date();
+            heute.setHours(0, 0, 0, 0);
+            const zukuenftigeTermine = termine.filter(t => new Date(t.datum) >= heute);
+            
+            res.status(200).json(zukuenftigeTermine);
+        } catch (error) {
+            console.error('Error reading termine.csv:', error);
+            res.status(500).json({ error: 'Could not load termine' });
+        }
+    }
+}
+
+export default new TermineController();
+

backend/controllers/vocabController.js

@@ -0,0 +1,80 @@
+import VocabService from '../services/vocabService.js';
+
+function extractHashedUserId(req) {
+  return req.headers?.userid;
+}
+
+class VocabController {
+  constructor() {
+    this.service = new VocabService();
+
+    this.listLanguages = this._wrapWithUser((userId) => this.service.listLanguages(userId));
+    this.listAllLanguages = this._wrapWithUser(() => this.service.listAllLanguages());
+    this.createLanguage = this._wrapWithUser((userId, req) => this.service.createLanguage(userId, req.body), { successStatus: 201 });
+    this.subscribe = this._wrapWithUser((userId, req) => this.service.subscribeByShareCode(userId, req.body), { successStatus: 201 });
+    this.getLanguage = this._wrapWithUser((userId, req) => this.service.getLanguage(userId, req.params.languageId));
+
+    this.listChapters = this._wrapWithUser((userId, req) => this.service.listChapters(userId, req.params.languageId));
+    this.createChapter = this._wrapWithUser((userId, req) => this.service.createChapter(userId, req.params.languageId, req.body), { successStatus: 201 });
+    this.listLanguageVocabs = this._wrapWithUser((userId, req) => this.service.listLanguageVocabs(userId, req.params.languageId));
+    this.searchVocabs = this._wrapWithUser((userId, req) => this.service.searchVocabs(userId, req.params.languageId, req.query));
+
+    this.getChapter = this._wrapWithUser((userId, req) => this.service.getChapter(userId, req.params.chapterId));
+    this.listChapterVocabs = this._wrapWithUser((userId, req) => this.service.listChapterVocabs(userId, req.params.chapterId));
+    this.addVocabToChapter = this._wrapWithUser((userId, req) => this.service.addVocabToChapter(userId, req.params.chapterId, req.body), { successStatus: 201 });
+
+    // Courses
+    this.createCourse = this._wrapWithUser((userId, req) => this.service.createCourse(userId, req.body), { successStatus: 201 });
+    this.getCourses = this._wrapWithUser((userId, req) => this.service.getCourses(userId, req.query));
+    this.getCourse = this._wrapWithUser((userId, req) => this.service.getCourse(userId, req.params.courseId));
+    this.getCourseByShareCode = this._wrapWithUser((userId, req) => this.service.getCourseByShareCode(userId, req.body.shareCode));
+    this.updateCourse = this._wrapWithUser((userId, req) => this.service.updateCourse(userId, req.params.courseId, req.body));
+    this.deleteCourse = this._wrapWithUser((userId, req) => this.service.deleteCourse(userId, req.params.courseId));
+    
+    // Lessons
+    this.getLesson = this._wrapWithUser((userId, req) => this.service.getLesson(userId, req.params.lessonId));
+    this.addLessonToCourse = this._wrapWithUser((userId, req) => this.service.addLessonToCourse(userId, req.params.courseId, req.body), { successStatus: 201 });
+    this.updateLesson = this._wrapWithUser((userId, req) => this.service.updateLesson(userId, req.params.lessonId, req.body));
+    this.deleteLesson = this._wrapWithUser((userId, req) => this.service.deleteLesson(userId, req.params.lessonId));
+    
+    // Enrollment
+    this.enrollInCourse = this._wrapWithUser((userId, req) => this.service.enrollInCourse(userId, req.params.courseId), { successStatus: 201 });
+    this.unenrollFromCourse = this._wrapWithUser((userId, req) => this.service.unenrollFromCourse(userId, req.params.courseId));
+    this.getMyCourses = this._wrapWithUser((userId) => this.service.getMyCourses(userId));
+    
+    // Progress
+    this.getCourseProgress = this._wrapWithUser((userId, req) => this.service.getCourseProgress(userId, req.params.courseId));
+    this.updateLessonProgress = this._wrapWithUser((userId, req) => this.service.updateLessonProgress(userId, req.params.lessonId, req.body));
+    
+    // Grammar Exercises
+    this.getExerciseTypes = this._wrapWithUser((userId) => this.service.getExerciseTypes());
+    this.createGrammarExercise = this._wrapWithUser((userId, req) => this.service.createGrammarExercise(userId, req.params.lessonId, req.body), { successStatus: 201 });
+    this.getGrammarExercisesForLesson = this._wrapWithUser((userId, req) => this.service.getGrammarExercisesForLesson(userId, req.params.lessonId));
+    this.getGrammarExercise = this._wrapWithUser((userId, req) => this.service.getGrammarExercise(userId, req.params.exerciseId));
+    this.checkGrammarExerciseAnswer = this._wrapWithUser((userId, req) => this.service.checkGrammarExerciseAnswer(userId, req.params.exerciseId, req.body.answer));
+    this.getGrammarExerciseProgress = this._wrapWithUser((userId, req) => this.service.getGrammarExerciseProgress(userId, req.params.lessonId));
+    this.updateGrammarExercise = this._wrapWithUser((userId, req) => this.service.updateGrammarExercise(userId, req.params.exerciseId, req.body));
+    this.deleteGrammarExercise = this._wrapWithUser((userId, req) => this.service.deleteGrammarExercise(userId, req.params.exerciseId));
+  }
+
+  _wrapWithUser(fn, { successStatus = 200 } = {}) {
+    return async (req, res) => {
+      try {
+        const hashedUserId = extractHashedUserId(req);
+        if (!hashedUserId) {
+          return res.status(400).json({ error: 'Missing user identifier' });
+        }
+        const result = await fn(hashedUserId, req, res);
+        res.status(successStatus).json(result);
+      } catch (error) {
+        console.error('Controller error:', error);
+        const status = error.status && typeof error.status === 'number' ? error.status : 500;
+        res.status(status).json({ error: error.message || 'Internal error' });
+      }
+    };
+  }
+}
+
+export default VocabController;
+
+

backend/create-performance-indexes.js

@@ -0,0 +1,159 @@
+#!/usr/bin/env node
+
+/**
+ * Script zum Erstellen von Performance-Indizes
+ * 
+ * Erstellt Indizes basierend auf der Analyse häufiger Queries:
+ * - inventory: stock_id
+ * - stock: branch_id
+ * - production: branch_id
+ * - director: employer_user_id
+ * - knowledge: (character_id, product_id) composite
+ */
+
+import './config/loadEnv.js';
+import { sequelize } from './utils/sequelize.js';
+
+async function main() {
+    try {
+        console.log('🔧 Erstelle Performance-Indizes\n');
+        console.log('='.repeat(60) + '\n');
+
+        const indexes = [
+            {
+                name: 'idx_knowledge_character_product',
+                table: 'falukant_data.knowledge',
+                columns: '(character_id, product_id)',
+                description: 'Composite Index für JOINs mit character_id UND product_id',
+                critical: true
+            },
+            {
+                name: 'idx_inventory_stock_id',
+                table: 'falukant_data.inventory',
+                columns: '(stock_id)',
+                description: 'Index für WHERE inventory.stock_id = ...',
+                critical: true
+            },
+            {
+                name: 'idx_stock_branch_id',
+                table: 'falukant_data.stock',
+                columns: '(branch_id)',
+                description: 'Index für WHERE stock.branch_id = ...',
+                critical: true
+            },
+            {
+                name: 'idx_production_branch_id',
+                table: 'falukant_data.production',
+                columns: '(branch_id)',
+                description: 'Index für WHERE production.branch_id = ...',
+                critical: true
+            },
+            {
+                name: 'idx_director_employer_user_id',
+                table: 'falukant_data.director',
+                columns: '(employer_user_id)',
+                description: 'Index für WHERE director.employer_user_id = ...',
+                critical: true
+            },
+            {
+                name: 'idx_production_start_timestamp',
+                table: 'falukant_data.production',
+                columns: '(start_timestamp)',
+                description: 'Index für WHERE production.start_timestamp <= ...',
+                critical: false
+            },
+            {
+                name: 'idx_director_last_salary_payout',
+                table: 'falukant_data.director',
+                columns: '(last_salary_payout)',
+                description: 'Index für WHERE director.last_salary_payout < ...',
+                critical: false
+            }
+        ];
+
+        console.log(`📋 ${indexes.length} Indizes werden erstellt:\n`);
+
+        let created = 0;
+        let skipped = 0;
+        let errors = 0;
+
+        for (let i = 0; i < indexes.length; i++) {
+            const idx = indexes[i];
+            const criticalMark = idx.critical ? ' ⚠️  KRITISCH' : '';
+            
+            console.log(`[${i + 1}/${indexes.length}] ${idx.name}${criticalMark}`);
+            console.log(`   Tabelle: ${idx.table}`);
+            console.log(`   Spalten: ${idx.columns}`);
+            console.log(`   Beschreibung: ${idx.description}`);
+
+            try {
+                // Prüfe ob Index bereits existiert
+                const [existing] = await sequelize.query(`
+                    SELECT EXISTS(
+                        SELECT 1 FROM pg_indexes 
+                        WHERE schemaname || '.' || tablename = '${idx.table}'
+                        AND indexname = '${idx.name}'
+                    ) as exists;
+                `);
+
+                if (existing[0].exists) {
+                    console.log(`   ⏭️  Index existiert bereits, überspringe\n`);
+                    skipped++;
+                    continue;
+                }
+
+                // Erstelle Index
+                const startTime = Date.now();
+                await sequelize.query(`
+                    CREATE INDEX IF NOT EXISTS ${idx.name}
+                    ON ${idx.table} USING btree ${idx.columns};
+                `);
+                
+                const duration = ((Date.now() - startTime) / 1000).toFixed(2);
+                console.log(`   ✅ Erstellt in ${duration}s\n`);
+                created++;
+
+            } catch (error) {
+                console.error(`   ❌ Fehler: ${error.message}\n`);
+                errors++;
+            }
+        }
+
+        console.log('='.repeat(60));
+        console.log(`✅ Zusammenfassung:`);
+        console.log(`   Erstellt: ${created}`);
+        console.log(`   Übersprungen: ${skipped}`);
+        console.log(`   Fehler: ${errors}\n`);
+
+        // ANALYZE ausführen, damit PostgreSQL die neuen Indizes berücksichtigt
+        const tablesToAnalyze = [
+            'falukant_data.knowledge',
+            'falukant_data.inventory',
+            'falukant_data.stock',
+            'falukant_data.production',
+            'falukant_data.director'
+        ];
+        if (created > 0) {
+            console.log('📊 Führe ANALYZE auf betroffenen Tabellen aus...\n');
+            for (const table of tablesToAnalyze) {
+                try {
+                    await sequelize.query(`ANALYZE ${table};`);
+                    console.log(`   ✅ ANALYZE ${table};`);
+                } catch (err) {
+                    console.log(`   ⚠️  ${table}: ${err.message}`);
+                }
+            }
+            console.log('');
+        }
+
+        await sequelize.close();
+        process.exit(0);
+
+    } catch (error) {
+        console.error('❌ Fehler:', error.message);
+        console.error(error.stack);
+        process.exit(1);
+    }
+}
+
+main();

backend/daemonServer.js

@@ -0,0 +1,123 @@
+import WebSocket, { WebSocketServer } from 'ws';
+import https from 'https';
+import fs from 'fs';
+
+const PORT = Number.parseInt(process.env.DAEMON_PORT || '4551', 10);
+const USE_TLS = process.env.DAEMON_TLS === '1';
+const TLS_KEY_PATH = process.env.DAEMON_TLS_KEY_PATH;
+const TLS_CERT_PATH = process.env.DAEMON_TLS_CERT_PATH;
+const TLS_CA_PATH = process.env.DAEMON_TLS_CA_PATH; // optional
+
+// Einfache In-Memory-Struktur für Verbindungen (für spätere Erweiterungen)
+const connections = new Set();
+
+function createServer() {
+  let wss;
+
+  if (USE_TLS) {
+    if (!TLS_KEY_PATH || !TLS_CERT_PATH) {
+      console.error('[Daemon] DAEMON_TLS=1 gesetzt, aber DAEMON_TLS_KEY_PATH/DAEMON_TLS_CERT_PATH fehlen.');
+      process.exit(1);
+    }
+    const httpsServer = https.createServer({
+      key: fs.readFileSync(TLS_KEY_PATH),
+      cert: fs.readFileSync(TLS_CERT_PATH),
+      ca: TLS_CA_PATH ? fs.readFileSync(TLS_CA_PATH) : undefined,
+    });
+    wss = new WebSocketServer({ server: httpsServer });
+    // Direkte Verbindung: lausche auf allen Interfaces (0.0.0.0)
+    httpsServer.listen(PORT, '0.0.0.0', () => {
+      console.log(`[Daemon] WSS (TLS) Server gestartet auf Port ${PORT}`);
+    });
+  } else {
+    // Direkte Verbindung: lausche auf allen Interfaces (0.0.0.0)
+    wss = new WebSocketServer({ port: PORT, host: '0.0.0.0' });
+    console.log(`[Daemon] WS (ohne TLS) Server startet auf Port ${PORT} ...`);
+  }
+
+  wss.on('connection', (ws, req) => {
+    const peer = req.socket.remoteAddress + ':' + req.socket.remotePort;
+    ws.isAlive = true;
+    ws.userId = null;
+    connections.add(ws);
+
+    console.log(`[Daemon] Neue Verbindung von ${peer}`);
+
+    ws.on('message', (message) => {
+      try {
+        if (message.toString() === 'pong') {
+          // Client-Pong für unser Ping
+          ws.isAlive = true;
+          return;
+        }
+
+        const data = JSON.parse(message.toString());
+
+        // Vom Frontend gesendet nach Verbindungsaufbau
+        if (data.event === 'setUserId' && data.data?.userId) {
+          ws.userId = data.data.userId;
+          console.log(`[Daemon] setUserId erhalten: ${ws.userId}`);
+          return;
+        }
+
+        // Admin-Dialog: WebSocket-Log anfordern
+        if (data.event === 'getWebsocketLog') {
+          const response = {
+            event: 'getWebsocketLogResponse',
+            entries: [] // aktuell keine Log-Historie implementiert
+          };
+          ws.send(JSON.stringify(response));
+          return;
+        }
+
+        // Platzhalter für spätere Events
+        // console.log('[Daemon] Unbekanntes Event:', data);
+      } catch (err) {
+        console.error('[Daemon] Fehler beim Verarbeiten einer Nachricht:', err);
+      }
+    });
+
+    ws.on('close', () => {
+      connections.delete(ws);
+      console.log('[Daemon] Verbindung geschlossen');
+    });
+
+    ws.on('error', (err) => {
+      console.error('[Daemon] WebSocket-Fehler (Verbindung):', err);
+    });
+  });
+
+  // Einfache Ping/Pong-Mechanik, damit Verbindungen sauber erkannt werden
+  const interval = setInterval(() => {
+    for (const ws of connections) {
+      if (ws.isAlive === false) {
+        console.log('[Daemon] Verbindung wegen fehlendem Pong beendet');
+        ws.terminate();
+        connections.delete(ws);
+        continue;
+      }
+      ws.isAlive = false;
+      try {
+        ws.send('ping');
+      } catch (err) {
+        console.error('[Daemon] Fehler beim Senden von Ping:', err);
+      }
+    }
+  }, 30000);
+
+  wss.on('close', () => {
+    clearInterval(interval);
+    connections.clear();
+    console.log('[Daemon] Server gestoppt');
+  });
+
+  wss.on('error', (err) => {
+    console.error('[Daemon] Server-Fehler:', err);
+  });
+
+  return wss;
+}
+
+createServer();
+
+

backend/data/termine.csv

@@ -0,0 +1,7 @@
+datum,titel,beschreibung,ort,uhrzeit
+2025-10-07,Vereinsmeisterschaften 2025 Doppel,Die Vereinsmeisterschaften 2025 im Doppel finden im Rahmen des Erwachsenentrainings statt.,,,
+2026-01-17,Vereinsmeisterschaften 2025 Einzel,Die Vereinsmeisterschaften 2025 im Einzel finden in der Schulturnhalle statt. Bitte vormerken!,,10:00
+2025-12-18,Weihnachtsfeier 2025,Die Weihnachtsfeier 2025 findet im Gasthaus „Zum Einhorn" in FFM-Bonames statt. Beginn 19:00 Uhr (bitte vormerken),Gasthaus „Zum Einhorn" FFM-Bonames,19:00
+2025-09-14,VR-Cup,Zwei VR-Cups am 14.09.2025 (jeweils 12 und 16 Uhr),,12:00 und 16:00
+2025-10-19,VR-Cup,Zwei VR-Cups am 19.10.2025 (jeweils 12 und 16 Uhr),,12:00 und 16:00
+

backend/diagnose-db-performance.js

@@ -0,0 +1,479 @@
+#!/usr/bin/env node
+
+/**
+ * Umfassendes Diagnose-Script für Datenbank-Performance
+ * 
+ * Untersucht:
+ * - Verbindungsstatistiken
+ * - Langsame Queries
+ * - Tabellengrößen und Bloat
+ * - Indizes (fehlende/ungenutzte)
+ * - Vacuum/Analyze Status
+ * - Locking/Blocking
+ * - Query-Statistiken
+ */
+
+import './config/loadEnv.js';
+import { sequelize } from './utils/sequelize.js';
+
+async function main() {
+    try {
+        console.log('🔍 Datenbank-Performance-Diagnose\n');
+        console.log('='.repeat(60) + '\n');
+
+        // 1. Verbindungsstatistiken
+        await checkConnections();
+
+        // 2. Langsame Queries (wenn pg_stat_statements aktiviert ist)
+        await checkSlowQueries();
+
+        // 3. Tabellengrößen und Bloat
+        await checkTableSizes();
+
+        // 4. Indizes prüfen
+        await checkIndexes();
+
+        // 5. Vacuum/Analyze Status
+        await checkVacuumStatus();
+
+        // 6. Locking/Blocking
+        await checkLocks();
+
+        // 7. Query-Statistiken (wenn pg_stat_statements aktiviert ist)
+        await checkQueryStats();
+
+        // 8. Connection Pool Status
+        await checkConnectionPool();
+
+        console.log('\n' + '='.repeat(60));
+        console.log('✅ Diagnose abgeschlossen\n');
+
+        await sequelize.close();
+        process.exit(0);
+
+    } catch (error) {
+        console.error('❌ Fehler:', error.message);
+        console.error(error.stack);
+        process.exit(1);
+    }
+}
+
+async function checkConnections() {
+    console.log('📊 1. Verbindungsstatistiken\n');
+
+    const [connections] = await sequelize.query(`
+        SELECT 
+            count(*) as total,
+            count(*) FILTER (WHERE state = 'active') as active,
+            count(*) FILTER (WHERE state = 'idle') as idle,
+            count(*) FILTER (WHERE state = 'idle in transaction') as idle_in_transaction,
+            count(*) FILTER (WHERE wait_event_type IS NOT NULL) as waiting
+        FROM pg_stat_activity
+        WHERE datname = current_database();
+    `);
+
+    const conn = connections[0];
+    console.log(`   Gesamt: ${conn.total}`);
+    console.log(`   Aktiv: ${conn.active}`);
+    console.log(`   Idle: ${conn.idle}`);
+    console.log(`   Idle in Transaction: ${conn.idle_in_transaction}`);
+    console.log(`   Wartend: ${conn.waiting}\n`);
+
+    const [maxConn] = await sequelize.query(`
+        SELECT setting::int as max_connections 
+        FROM pg_settings 
+        WHERE name = 'max_connections';
+    `);
+
+    const usagePercent = (conn.total / maxConn[0].max_connections) * 100;
+    console.log(`   Max Connections: ${maxConn[0].max_connections}`);
+    console.log(`   Auslastung: ${usagePercent.toFixed(1)}%\n`);
+
+    if (usagePercent > 80) {
+        console.log('   ⚠️  WARNUNG: Hohe Verbindungsauslastung!\n');
+    }
+
+    // Zeige lange laufende Queries
+    const [longRunning] = await sequelize.query(`
+        SELECT 
+            pid,
+            usename,
+            application_name,
+            state,
+            now() - query_start as duration,
+            wait_event_type,
+            wait_event,
+            left(query, 100) as query_preview
+        FROM pg_stat_activity
+        WHERE datname = current_database()
+        AND state != 'idle'
+        AND now() - query_start > interval '5 seconds'
+        ORDER BY query_start ASC
+        LIMIT 10;
+    `);
+
+    if (longRunning.length > 0) {
+        console.log('   ⚠️  Lange laufende Queries (> 5 Sekunden):');
+        longRunning.forEach(q => {
+            const duration = Math.round(q.duration.total_seconds);
+            console.log(`      PID ${q.pid}: ${duration}s - ${q.query_preview}...`);
+        });
+        console.log('');
+    }
+}
+
+async function checkSlowQueries() {
+    console.log('🐌 2. Langsame Queries (pg_stat_statements)\n');
+
+    try {
+        // Prüfe ob pg_stat_statements aktiviert ist
+        const [extension] = await sequelize.query(`
+            SELECT EXISTS(
+                SELECT 1 FROM pg_extension WHERE extname = 'pg_stat_statements'
+            ) as exists;
+        `);
+
+        if (!extension[0].exists) {
+            console.log('   ℹ️  pg_stat_statements ist nicht aktiviert.');
+            console.log('   💡 Aktivieren mit: CREATE EXTENSION IF NOT EXISTS pg_stat_statements;\n');
+            return;
+        }
+
+        const [slowQueries] = await sequelize.query(`
+            SELECT 
+                left(query, 100) as query_preview,
+                calls,
+                total_exec_time,
+                mean_exec_time,
+                max_exec_time,
+                (total_exec_time / sum(total_exec_time) OVER ()) * 100 as percent_total
+            FROM pg_stat_statements
+            WHERE mean_exec_time > 100  -- Queries mit > 100ms Durchschnitt
+            ORDER BY total_exec_time DESC
+            LIMIT 10;
+        `);
+
+        if (slowQueries.length > 0) {
+            console.log('   Top 10 langsamste Queries (nach Gesamtzeit):');
+            slowQueries.forEach((q, i) => {
+                console.log(`   ${i + 1}. ${q.query_preview}...`);
+                console.log(`      Aufrufe: ${q.calls}, Durchschnitt: ${q.mean_exec_time.toFixed(2)}ms, Max: ${q.max_exec_time.toFixed(2)}ms`);
+                console.log(`      Gesamtzeit: ${q.total_exec_time.toFixed(2)}ms (${q.percent_total.toFixed(1)}%)\n`);
+            });
+        } else {
+            console.log('   ✅ Keine sehr langsamen Queries gefunden (> 100ms Durchschnitt)\n');
+        }
+    } catch (error) {
+        console.log(`   ⚠️  Fehler beim Abrufen der Query-Statistiken: ${error.message}\n`);
+    }
+}
+
+async function checkTableSizes() {
+    console.log('📦 3. Tabellengrößen und Bloat\n');
+
+    const [tableSizes] = await sequelize.query(`
+        SELECT 
+            schemaname || '.' || relname as full_table_name,
+            pg_size_pretty(pg_total_relation_size(schemaname||'.'||relname)) as total_size,
+            pg_size_pretty(pg_relation_size(schemaname||'.'||relname)) as table_size,
+            pg_size_pretty(pg_total_relation_size(schemaname||'.'||relname) - pg_relation_size(schemaname||'.'||relname)) as indexes_size,
+            n_live_tup as row_count,
+            n_dead_tup as dead_rows,
+            CASE 
+                WHEN n_live_tup > 0 THEN round((n_dead_tup::numeric / n_live_tup::numeric) * 100, 2)
+                ELSE 0
+            END as dead_row_percent,
+            last_vacuum,
+            last_autovacuum,
+            last_analyze,
+            last_autoanalyze
+        FROM pg_stat_user_tables
+        WHERE schemaname IN ('falukant_data', 'falukant_type', 'community', 'logs')
+        ORDER BY pg_total_relation_size(schemaname||'.'||relname) DESC
+        LIMIT 20;
+    `);
+
+    if (tableSizes.length > 0) {
+        console.log('   Top 20 größte Tabellen:');
+        tableSizes.forEach((t, i) => {
+            console.log(`   ${i + 1}. ${t.full_table_name}`);
+            console.log(`      Größe: ${t.total_size} (Tabelle: ${t.table_size}, Indizes: ${t.indexes_size})`);
+            console.log(`      Zeilen: ${parseInt(t.row_count).toLocaleString()}, Tote Zeilen: ${parseInt(t.dead_rows).toLocaleString()} (${t.dead_row_percent}%)`);
+            
+            if (parseFloat(t.dead_row_percent) > 20) {
+                console.log(`      ⚠️  Hoher Bloat-Anteil! Vacuum empfohlen.`);
+            }
+            
+            if (t.last_vacuum || t.last_autovacuum) {
+                const lastVacuum = t.last_vacuum || t.last_autovacuum;
+                const daysSinceVacuum = Math.floor((new Date() - new Date(lastVacuum)) / (1000 * 60 * 60 * 24));
+                if (daysSinceVacuum > 7) {
+                    console.log(`      ⚠️  Letztes Vacuum: ${daysSinceVacuum} Tage her`);
+                }
+            }
+            console.log('');
+        });
+    }
+}
+
+async function checkIndexes() {
+    console.log('🔍 4. Indizes-Analyse\n');
+
+    // Fehlende Indizes (basierend auf pg_stat_user_tables)
+    const [missingIndexes] = await sequelize.query(`
+        SELECT 
+            schemaname || '.' || relname as table_name,
+            seq_scan,
+            seq_tup_read,
+            idx_scan,
+            seq_tup_read / NULLIF(seq_scan, 0) as avg_seq_read
+        FROM pg_stat_user_tables
+        WHERE schemaname IN ('falukant_data', 'falukant_type', 'community', 'logs')
+        AND seq_scan > 1000
+        AND seq_tup_read / NULLIF(seq_scan, 0) > 1000
+        ORDER BY seq_tup_read DESC
+        LIMIT 10;
+    `);
+
+    if (missingIndexes.length > 0) {
+        console.log('   ⚠️  Tabellen mit vielen Sequential Scans (möglicherweise fehlende Indizes):');
+        missingIndexes.forEach(t => {
+            console.log(`      ${t.table_name}: ${t.seq_scan} seq scans, ${parseInt(t.seq_tup_read).toLocaleString()} Zeilen gelesen`);
+        });
+        console.log('');
+    }
+
+    // Ungenutzte Indizes
+    const [unusedIndexes] = await sequelize.query(`
+        SELECT 
+            schemaname || '.' || indexrelname as index_name,
+            schemaname || '.' || relname as table_name,
+            pg_size_pretty(pg_relation_size(indexrelid)) as index_size,
+            idx_scan as scans
+        FROM pg_stat_user_indexes
+        WHERE schemaname IN ('falukant_data', 'falukant_type', 'community', 'logs')
+        AND idx_scan = 0
+        AND pg_relation_size(indexrelid) > 1024 * 1024  -- Größer als 1MB
+        ORDER BY pg_relation_size(indexrelid) DESC
+        LIMIT 10;
+    `);
+
+    if (unusedIndexes.length > 0) {
+        console.log('   ⚠️  Ungenutzte Indizes (> 1MB, nie verwendet):');
+        unusedIndexes.forEach(idx => {
+            console.log(`      ${idx.index_name} auf ${idx.table_name}: ${idx.index_size} (0 Scans)`);
+        });
+        console.log('');
+    }
+
+    // Index Bloat
+    const [indexBloat] = await sequelize.query(`
+        SELECT 
+            schemaname || '.' || indexrelname as index_name,
+            schemaname || '.' || relname as table_name,
+            pg_size_pretty(pg_relation_size(indexrelid)) as index_size,
+            idx_scan as scans,
+            idx_tup_read as tuples_read,
+            idx_tup_fetch as tuples_fetched
+        FROM pg_stat_user_indexes
+        WHERE schemaname IN ('falukant_data', 'falukant_type', 'community', 'logs')
+        AND pg_relation_size(indexrelid) > 10 * 1024 * 1024  -- Größer als 10MB
+        ORDER BY pg_relation_size(indexrelid) DESC
+        LIMIT 10;
+    `);
+
+    if (indexBloat.length > 0) {
+        console.log('   Top 10 größte Indizes:');
+        indexBloat.forEach(idx => {
+            console.log(`      ${idx.index_name} auf ${idx.table_name}: ${idx.index_size} (${idx.scans} Scans)`);
+        });
+        console.log('');
+    }
+}
+
+async function checkVacuumStatus() {
+    console.log('🧹 5. Vacuum/Analyze Status\n');
+
+    const [vacuumStats] = await sequelize.query(`
+        SELECT 
+            schemaname || '.' || relname as table_name,
+            last_vacuum,
+            last_autovacuum,
+            last_analyze,
+            last_autoanalyze,
+            n_dead_tup,
+            n_live_tup,
+            CASE 
+                WHEN n_live_tup > 0 THEN round((n_dead_tup::numeric / n_live_tup::numeric) * 100, 2)
+                ELSE 0
+            END as dead_percent
+        FROM pg_stat_user_tables
+        WHERE schemaname IN ('falukant_data', 'falukant_type', 'community', 'logs')
+        AND (
+            (last_vacuum IS NULL AND last_autovacuum IS NULL)
+            OR (last_vacuum < now() - interval '7 days' AND last_autovacuum < now() - interval '7 days')
+            OR n_dead_tup > 10000
+        )
+        ORDER BY n_dead_tup DESC
+        LIMIT 10;
+    `);
+
+    if (vacuumStats.length > 0) {
+        console.log('   ⚠️  Tabellen, die Vacuum benötigen könnten:');
+        vacuumStats.forEach(t => {
+            const lastVacuum = t.last_vacuum || t.last_autovacuum || 'Nie';
+            const daysSince = lastVacuum !== 'Nie' 
+                ? Math.floor((new Date() - new Date(lastVacuum)) / (1000 * 60 * 60 * 24))
+                : '∞';
+            console.log(`      ${t.table_name}:`);
+            console.log(`         Tote Zeilen: ${parseInt(t.n_dead_tup).toLocaleString()} (${t.dead_percent}%)`);
+            console.log(`         Letztes Vacuum: ${lastVacuum} (${daysSince} Tage)`);
+        });
+        console.log('');
+    } else {
+        console.log('   ✅ Alle Tabellen sind aktuell gevacuumt\n');
+    }
+}
+
+async function checkLocks() {
+    console.log('🔒 6. Locking/Blocking\n');
+
+    const [locks] = await sequelize.query(`
+        SELECT 
+            blocked_locks.pid AS blocked_pid,
+            blocked_activity.usename AS blocked_user,
+            blocking_locks.pid AS blocking_pid,
+            blocking_activity.usename AS blocking_user,
+            blocked_activity.query AS blocked_statement,
+            blocking_activity.query AS blocking_statement,
+            blocked_activity.application_name AS blocked_app,
+            blocking_activity.application_name AS blocking_app
+        FROM pg_catalog.pg_locks blocked_locks
+        JOIN pg_catalog.pg_stat_activity blocked_activity ON blocked_activity.pid = blocked_locks.pid
+        JOIN pg_catalog.pg_locks blocking_locks 
+            ON blocking_locks.locktype = blocked_locks.locktype
+            AND blocking_locks.database IS NOT DISTINCT FROM blocked_locks.database
+            AND blocking_locks.relation IS NOT DISTINCT FROM blocked_locks.relation
+            AND blocking_locks.page IS NOT DISTINCT FROM blocked_locks.page
+            AND blocking_locks.tuple IS NOT DISTINCT FROM blocked_locks.tuple
+            AND blocking_locks.virtualxid IS NOT DISTINCT FROM blocked_locks.virtualxid
+            AND blocking_locks.transactionid IS NOT DISTINCT FROM blocked_locks.transactionid
+            AND blocking_locks.classid IS NOT DISTINCT FROM blocked_locks.classid
+            AND blocking_locks.objid IS NOT DISTINCT FROM blocked_locks.objid
+            AND blocking_locks.objsubid IS NOT DISTINCT FROM blocked_locks.objsubid
+            AND blocking_locks.pid != blocked_locks.pid
+        JOIN pg_catalog.pg_stat_activity blocking_activity ON blocking_activity.pid = blocking_locks.pid
+        WHERE NOT blocked_locks.granted;
+    `);
+
+    if (locks.length > 0) {
+        console.log('   ⚠️  Blockierte Queries gefunden:');
+        locks.forEach(lock => {
+            console.log(`      Blockiert: PID ${lock.blocked_pid} (${lock.blocked_user})`);
+            console.log(`      Blockiert von: PID ${lock.blocking_pid} (${lock.blocking_user})`);
+            console.log(`      Blockierte Query: ${lock.blocked_statement.substring(0, 100)}...`);
+            console.log(`      Blockierende Query: ${lock.blocking_statement.substring(0, 100)}...\n`);
+        });
+    } else {
+        console.log('   ✅ Keine blockierten Queries gefunden\n');
+    }
+
+    // Zeige alle aktiven Locks
+    const [allLocks] = await sequelize.query(`
+        SELECT 
+            locktype,
+            relation::regclass as relation,
+            mode,
+            granted,
+            pid
+        FROM pg_locks
+        WHERE relation IS NOT NULL
+        AND NOT granted
+        LIMIT 10;
+    `);
+
+    if (allLocks.length > 0) {
+        console.log('   ⚠️  Wartende Locks:');
+        allLocks.forEach(lock => {
+            console.log(`      ${lock.locktype} auf ${lock.relation}: ${lock.mode} (PID ${lock.pid})`);
+        });
+        console.log('');
+    }
+}
+
+async function checkQueryStats() {
+    console.log('📈 7. Query-Statistiken\n');
+
+    try {
+        const [extension] = await sequelize.query(`
+            SELECT EXISTS(
+                SELECT 1 FROM pg_extension WHERE extname = 'pg_stat_statements'
+            ) as exists;
+        `);
+
+        if (!extension[0].exists) {
+            console.log('   ℹ️  pg_stat_statements ist nicht aktiviert.\n');
+            return;
+        }
+
+        const [topQueries] = await sequelize.query(`
+            SELECT 
+                left(query, 80) as query_preview,
+                calls,
+                total_exec_time,
+                mean_exec_time,
+                (100 * total_exec_time / sum(total_exec_time) OVER ()) as percent_total
+            FROM pg_stat_statements
+            WHERE query NOT LIKE '%pg_stat_statements%'
+            ORDER BY calls DESC
+            LIMIT 5;
+        `);
+
+        if (topQueries.length > 0) {
+            console.log('   Top 5 häufigste Queries:');
+            topQueries.forEach((q, i) => {
+                console.log(`   ${i + 1}. ${q.query_preview}...`);
+                console.log(`      Aufrufe: ${parseInt(q.calls).toLocaleString()}, Durchschnitt: ${q.mean_exec_time.toFixed(2)}ms`);
+            });
+            console.log('');
+        }
+    } catch (error) {
+        console.log(`   ⚠️  Fehler: ${error.message}\n`);
+    }
+}
+
+async function checkConnectionPool() {
+    console.log('🏊 8. Connection Pool Status\n');
+
+    try {
+        // Hole Pool-Konfiguration aus Sequelize Config
+        const config = sequelize.config;
+        const poolConfig = config.pool || {};
+        
+        console.log(`   Pool-Konfiguration:`);
+        console.log(`      Max: ${poolConfig.max || 'N/A'}`);
+        console.log(`      Min: ${poolConfig.min || 'N/A'}`);
+        console.log(`      Acquire Timeout: ${poolConfig.acquire || 'N/A'}ms`);
+        console.log(`      Idle Timeout: ${poolConfig.idle || 'N/A'}ms`);
+        console.log(`      Evict Interval: ${poolConfig.evict || 'N/A'}ms\n`);
+
+        // Versuche Pool-Status zu bekommen
+        const pool = sequelize.connectionManager.pool;
+        if (pool) {
+            const poolSize = pool.size || 0;
+            const poolUsed = pool.used || 0;
+            const poolPending = pool.pending || 0;
+            
+            console.log(`   Pool-Status:`);
+            console.log(`      Größe: ${poolSize}`);
+            console.log(`      Verwendet: ${poolUsed}`);
+            console.log(`      Wartend: ${poolPending}\n`);
+        } else {
+            console.log(`   ℹ️  Pool-Objekt nicht verfügbar\n`);
+        }
+    } catch (error) {
+        console.log(`   ⚠️  Fehler beim Abrufen der Pool-Informationen: ${error.message}\n`);
+    }
+}
+
+main();

backend/fix-pgcrypto-extension.js

@@ -0,0 +1,34 @@
+import { sequelize } from './utils/sequelize.js';
+
+async function fixPgCryptoExtension() {
+    try {
+        console.log('🔧 Aktiviere pgcrypto Erweiterung...');
+        
+        await sequelize.query('CREATE EXTENSION IF NOT EXISTS pgcrypto;');
+        
+        console.log('✅ pgcrypto Erweiterung erfolgreich aktiviert');
+        
+        // Prüfe ob die Erweiterung aktiviert ist
+        const result = await sequelize.query(`
+            SELECT EXISTS(
+                SELECT 1 FROM pg_extension WHERE extname = 'pgcrypto'
+            ) as extension_exists;
+        `, { type: sequelize.QueryTypes.SELECT });
+        
+        if (result[0]?.extension_exists) {
+            console.log('✅ Bestätigung: pgcrypto Erweiterung ist aktiviert');
+        } else {
+            console.warn('⚠️  Warnung: pgcrypto Erweiterung konnte nicht aktiviert werden');
+        }
+        
+        process.exit(0);
+    } catch (error) {
+        console.error('❌ Fehler beim Aktivieren der pgcrypto Erweiterung:', error.message);
+        console.error('Stack:', error.stack);
+        process.exit(1);
+    }
+}
+
+fixPgCryptoExtension();
+
+

backend/migrations/20251126120000-add-last-nobility-advance-to-falukant-user.cjs

@@ -0,0 +1,29 @@
+'use strict';
+
+module.exports = {
+  up: async (queryInterface, Sequelize) => {
+    await queryInterface.addColumn(
+      {
+        tableName: 'falukant_user',
+        schema: 'falukant_data'
+      },
+      'last_nobility_advance_at',
+      {
+        type: Sequelize.DATE,
+        allowNull: true
+      }
+    );
+  },
+
+  down: async (queryInterface, Sequelize) => {
+    await queryInterface.removeColumn(
+      {
+        tableName: 'falukant_user',
+        schema: 'falukant_data'
+      },
+      'last_nobility_advance_at'
+    );
+  }
+};
+
+

backend/migrations/20251208000000-add-character-name-to-notification.cjs

@@ -0,0 +1,135 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    // 1) Add character_name column to notification table
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_log.notification
+      ADD COLUMN IF NOT EXISTS character_name text;
+    `);
+
+    // 1b) Add character_id column so triggers and application can set a reference
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_log.notification
+      ADD COLUMN IF NOT EXISTS character_id integer;
+    `);
+
+    // Create an index on character_id to speed lookups (if not exists)
+    await queryInterface.sequelize.query(`
+      DO $$
+      BEGIN
+        IF NOT EXISTS (
+          SELECT 1 FROM pg_class c JOIN pg_namespace n ON n.oid = c.relnamespace
+          WHERE c.relkind = 'i' AND c.relname = 'idx_notification_character_id' AND n.nspname = 'falukant_log'
+        ) THEN
+          CREATE INDEX idx_notification_character_id ON falukant_log.notification (character_id);
+        END IF;
+      END$$;
+    `);
+
+    // 2) Create helper function to populate character_name from character_id or user_id
+    //    - Resolve name via character_id if present
+    //    - Fallback to a character for the same user_id when character_id is NULL
+    //    - Only set NEW.character_name when the column exists and is NULL
+    await queryInterface.sequelize.query(`
+      CREATE OR REPLACE FUNCTION falukant_log.populate_notification_character_name()
+      RETURNS TRIGGER AS $function$
+      DECLARE
+        v_first_name TEXT;
+        v_last_name  TEXT;
+        v_char_id    INTEGER;
+        v_column_exists BOOLEAN;
+      BEGIN
+        -- check if target column exists in the notification table
+        SELECT EXISTS(
+          SELECT 1 FROM information_schema.columns
+          WHERE table_schema = 'falukant_log' AND table_name = 'notification' AND column_name = 'character_name'
+        ) INTO v_column_exists;
+
+        IF NOT v_column_exists THEN
+          -- Nothing to do when target column absent
+          RETURN NEW;
+        END IF;
+
+        -- only populate when column is NULL
+        IF NEW.character_name IS NOT NULL THEN
+          RETURN NEW;
+        END IF;
+
+        -- prefer explicit character_id
+        v_char_id := NEW.character_id;
+
+        -- when character_id is null, try to find a character for the user_id
+        IF v_char_id IS NULL AND NEW.user_id IS NOT NULL THEN
+          -- choose a representative character: the one with highest id for this user (change if different policy required)
+          SELECT id INTO v_char_id
+          FROM falukant_data.character
+          WHERE user_id = NEW.user_id
+          ORDER BY id DESC
+          LIMIT 1;
+        END IF;
+
+        IF v_char_id IS NOT NULL THEN
+          SELECT pf.name, pl.name
+          INTO v_first_name, v_last_name
+          FROM falukant_data.character c
+          LEFT JOIN falukant_predefine.firstname pf ON pf.id = c.first_name
+          LEFT JOIN falukant_predefine.lastname pl ON pl.id = c.last_name
+          WHERE c.id = v_char_id;
+
+          IF v_first_name IS NOT NULL OR v_last_name IS NOT NULL THEN
+            NEW.character_name := COALESCE(v_first_name, '') || CASE WHEN v_first_name IS NOT NULL AND v_last_name IS NOT NULL THEN ' ' ELSE '' END || COALESCE(v_last_name, '');
+          ELSE
+            NEW.character_name := ('#' || v_char_id::text);
+          END IF;
+        ELSE
+          -- last resort fallback: use user_id as identifier if present
+          IF NEW.user_id IS NOT NULL THEN
+            NEW.character_name := ('#u' || NEW.user_id::text);
+          END IF;
+        END IF;
+
+        RETURN NEW;
+      END;
+      $function$ LANGUAGE plpgsql;
+    `);
+
+    // 3) Create trigger that runs before insert to populate the column
+    await queryInterface.sequelize.query(`
+      DROP TRIGGER IF EXISTS trg_populate_notification_character_name ON falukant_log.notification;
+      CREATE TRIGGER trg_populate_notification_character_name
+      BEFORE INSERT ON falukant_log.notification
+      FOR EACH ROW
+      EXECUTE FUNCTION falukant_log.populate_notification_character_name();
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      DROP TRIGGER IF EXISTS trg_populate_notification_character_name ON falukant_log.notification;
+    `);
+    await queryInterface.sequelize.query(`
+      DROP FUNCTION IF EXISTS falukant_log.populate_notification_character_name();
+    `);
+    await queryInterface.sequelize.query(`
+      -- drop index if exists
+      DO $$
+      BEGIN
+        IF EXISTS (
+          SELECT 1 FROM pg_class c JOIN pg_namespace n ON n.oid = c.relnamespace
+          WHERE c.relkind = 'i' AND c.relname = 'idx_notification_character_id' AND n.nspname = 'falukant_log'
+        ) THEN
+          EXECUTE 'DROP INDEX falukant_log.idx_notification_character_id';
+        END IF;
+      END$$;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_log.notification
+      DROP COLUMN IF EXISTS character_name;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_log.notification
+      DROP COLUMN IF EXISTS character_id;
+    `);
+  }
+};

backend/migrations/20251216000000-add-weather-type-to-production.cjs

@@ -0,0 +1,68 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    // Add nullable weather_type_id column
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_data.production
+      ADD COLUMN IF NOT EXISTS weather_type_id integer;
+    `);
+
+    // Add foreign key constraint if not exists
+    await queryInterface.sequelize.query(`
+      DO $$
+      BEGIN
+        IF NOT EXISTS (
+          SELECT 1
+          FROM information_schema.table_constraints tc
+          JOIN information_schema.key_column_usage kcu ON kcu.constraint_name = tc.constraint_name AND kcu.constraint_schema = tc.constraint_schema
+          WHERE tc.constraint_type = 'FOREIGN KEY'
+            AND tc.constraint_schema = 'falukant_data'
+            AND tc.table_name = 'production'
+            AND kcu.column_name = 'weather_type_id'
+        ) THEN
+          ALTER TABLE falukant_data.production
+          ADD CONSTRAINT fk_production_weather_type
+          FOREIGN KEY (weather_type_id) REFERENCES falukant_type.weather(id);
+        END IF;
+      END$$;
+    `);
+
+  // create index to speed lookups
+    await queryInterface.sequelize.query(`
+      DO $$
+      BEGIN
+        IF NOT EXISTS (
+          SELECT 1 FROM pg_class c JOIN pg_namespace n ON n.oid = c.relnamespace
+          WHERE c.relkind = 'i' AND c.relname = 'idx_production_weather_type_id' AND n.nspname = 'falukant_data'
+        ) THEN
+          CREATE INDEX idx_production_weather_type_id ON falukant_data.production (weather_type_id);
+        END IF;
+      END$$;
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_data.production
+      DROP CONSTRAINT IF EXISTS fk_production_weather_type;
+    `);
+
+    await queryInterface.sequelize.query(`
+      DO $$
+      BEGIN
+        IF EXISTS (
+          SELECT 1 FROM pg_class c JOIN pg_namespace n ON n.oid = c.relnamespace
+          WHERE c.relkind = 'i' AND c.relname = 'idx_production_weather_type_id' AND n.nspname = 'falukant_data'
+        ) THEN
+          EXECUTE 'DROP INDEX falukant_data.idx_production_weather_type_id';
+        END IF;
+      END$$;
+    `);
+
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_data.production
+      DROP COLUMN IF EXISTS weather_type_id;
+    `);
+  }
+};

backend/migrations/20251216000100-add-product-quality-to-stock.cjs

@@ -0,0 +1,17 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_data.stock
+      ADD COLUMN IF NOT EXISTS product_quality integer;
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_data.stock
+      DROP COLUMN IF EXISTS product_quality;
+    `);
+  }
+};

backend/migrations/20251220000000-add-reputation-to-character.cjs

@@ -0,0 +1,79 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    // falukant_data.character.reputation (integer, default random 20..80)
+    // Wichtig: Schema explizit angeben
+    // Vorgehen:
+    // - Spalte anlegen (falls noch nicht vorhanden)
+    // - bestehende Zeilen initialisieren (random 20..80)
+    // - DEFAULT setzen (random 20..80)
+    // - NOT NULL + CHECK 0..100 erzwingen
+    await queryInterface.sequelize.query(`
+      DO $$
+      BEGIN
+        IF NOT EXISTS (
+          SELECT 1
+          FROM information_schema.columns
+          WHERE table_schema = 'falukant_data'
+            AND table_name = 'character'
+            AND column_name = 'reputation'
+        ) THEN
+          ALTER TABLE falukant_data."character"
+          ADD COLUMN reputation integer;
+        END IF;
+      END$$;
+    `);
+
+    // Backfill: nur NULLs initialisieren (damit bestehende Werte nicht überschrieben werden)
+    await queryInterface.sequelize.query(`
+      UPDATE falukant_data."character"
+      SET reputation = (floor(random()*61)+20)::int
+      WHERE reputation IS NULL;
+    `);
+
+    // DEFAULT + NOT NULL (nach Backfill)
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data."character"
+      ALTER COLUMN reputation SET DEFAULT (floor(random()*61)+20)::int;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data."character"
+      ALTER COLUMN reputation SET NOT NULL;
+    `);
+
+    // Enforce 0..100 at DB level (percent)
+    // (IF NOT EXISTS pattern, because deployments can be re-run)
+    await queryInterface.sequelize.query(`
+      DO $$
+      BEGIN
+        IF NOT EXISTS (
+          SELECT 1
+          FROM pg_constraint c
+          JOIN pg_class t ON t.oid = c.conrelid
+          JOIN pg_namespace n ON n.oid = t.relnamespace
+          WHERE c.conname = 'character_reputation_0_100_chk'
+            AND n.nspname = 'falukant_data'
+            AND t.relname = 'character'
+        ) THEN
+          ALTER TABLE falukant_data."character"
+          ADD CONSTRAINT character_reputation_0_100_chk
+          CHECK (reputation >= 0 AND reputation <= 100);
+        END IF;
+      END$$;
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data."character"
+      DROP CONSTRAINT IF EXISTS character_reputation_0_100_chk;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data."character"
+      DROP COLUMN IF EXISTS reputation;
+    `);
+  },
+};
+
+

backend/migrations/20251220001000-add-reputation-actions.cjs

@@ -0,0 +1,47 @@
+/* eslint-disable */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    // Typ-Tabelle (konfigurierbar ohne Code): falukant_type.reputation_action
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS falukant_type.reputation_action (
+        id serial PRIMARY KEY,
+        tr text NOT NULL UNIQUE,
+        cost integer NOT NULL CHECK (cost >= 0),
+        base_gain integer NOT NULL CHECK (base_gain >= 0),
+        decay_factor double precision NOT NULL CHECK (decay_factor > 0 AND decay_factor <= 1),
+        min_gain integer NOT NULL DEFAULT 0 CHECK (min_gain >= 0),
+        decay_window_days integer NOT NULL DEFAULT 7 CHECK (decay_window_days >= 1 AND decay_window_days <= 365)
+      );
+    `);
+
+    // Log-Tabelle: falukant_log.reputation_action
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS falukant_log.reputation_action (
+        id serial PRIMARY KEY,
+        falukant_user_id integer NOT NULL,
+        action_type_id integer NOT NULL,
+        cost integer NOT NULL CHECK (cost >= 0),
+        base_gain integer NOT NULL CHECK (base_gain >= 0),
+        gain integer NOT NULL CHECK (gain >= 0),
+        times_used_before integer NOT NULL CHECK (times_used_before >= 0),
+        action_timestamp timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP
+      );
+    `);
+
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS reputation_action_log_user_type_idx
+      ON falukant_log.reputation_action (falukant_user_id, action_type_id);
+    `);
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS reputation_action_log_ts_idx
+      ON falukant_log.reputation_action (action_timestamp);
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`DROP TABLE IF EXISTS falukant_log.reputation_action;`);
+    await queryInterface.sequelize.query(`DROP TABLE IF EXISTS falukant_type.reputation_action;`);
+  },
+};
+
+

backend/migrations/20251220002000-backfill-reputation-action-window.cjs

@@ -0,0 +1,46 @@
+/* eslint-disable */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    // Für bereits existierende Installationen: Spalte sicherstellen + Backfill
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_type.reputation_action
+      ADD COLUMN IF NOT EXISTS decay_window_days integer;
+    `);
+    await queryInterface.sequelize.query(`
+      UPDATE falukant_type.reputation_action
+      SET decay_window_days = 7
+      WHERE decay_window_days IS NULL;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_type.reputation_action
+      ALTER COLUMN decay_window_days SET DEFAULT 7;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_type.reputation_action
+      ALTER COLUMN decay_window_days SET NOT NULL;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_type.reputation_action
+      DROP CONSTRAINT IF EXISTS reputation_action_decay_window_days_chk;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_type.reputation_action
+      ADD CONSTRAINT reputation_action_decay_window_days_chk
+      CHECK (decay_window_days >= 1 AND decay_window_days <= 365);
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    // optional: wieder entfernen
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_type.reputation_action
+      DROP CONSTRAINT IF EXISTS reputation_action_decay_window_days_chk;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_type.reputation_action
+      DROP COLUMN IF EXISTS decay_window_days;
+    `);
+  },
+};
+
+

backend/migrations/20251220003000-seed-reputation-actions.cjs

@@ -0,0 +1,50 @@
+/* eslint-disable */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    // Idempotentes Seed: legt Ruf-Aktionen an bzw. aktualisiert sie anhand "tr"
+    await queryInterface.sequelize.query(`
+      INSERT INTO falukant_type.reputation_action
+        (tr, cost, base_gain, decay_factor, min_gain, decay_window_days)
+      VALUES
+        ('soup_kitchen',      500,   2, 0.85, 0, 7),
+        ('library_donation',  5000,  4, 0.88, 0, 7),
+        ('well_build',        8000,  4, 0.87, 0, 7),
+        ('scholarships',      10000, 5, 0.87, 0, 7),
+        ('church_hospice',    12000, 5, 0.87, 0, 7),
+        ('school_funding',    15000, 6, 0.88, 0, 7),
+        ('orphanage_build',   20000, 7, 0.90, 0, 7),
+        ('bridge_build',      25000, 7, 0.90, 0, 7),
+        ('hospital_donation', 30000, 8, 0.90, 0, 7),
+        ('patronage',         40000, 9, 0.91, 0, 7),
+        ('statue_build',      50000, 10, 0.92, 0, 7)
+      ON CONFLICT (tr) DO UPDATE SET
+        cost = EXCLUDED.cost,
+        base_gain = EXCLUDED.base_gain,
+        decay_factor = EXCLUDED.decay_factor,
+        min_gain = EXCLUDED.min_gain,
+        decay_window_days = EXCLUDED.decay_window_days;
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    // Entfernt nur die gesetzten Seeds (tr-basiert)
+    await queryInterface.sequelize.query(`
+      DELETE FROM falukant_type.reputation_action
+      WHERE tr IN (
+        'soup_kitchen',
+        'library_donation',
+        'well_build',
+        'scholarships',
+        'church_hospice',
+        'school_funding',
+        'orphanage_build',
+        'bridge_build',
+        'hospital_donation',
+        'patronage',
+        'statue_build'
+      );
+    `);
+  },
+};
+
+

backend/migrations/20251222000000-fix-vehicle-condition-null.cjs

@@ -0,0 +1,60 @@
+/* eslint-disable */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    // Ensure column exists
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.vehicle
+      ADD COLUMN IF NOT EXISTS condition integer;
+    `);
+
+    // Backfill nulls (legacy data)
+    await queryInterface.sequelize.query(`
+      UPDATE falukant_data.vehicle
+      SET condition = 100
+      WHERE condition IS NULL;
+    `);
+
+    // Clamp out-of-range values defensively
+    await queryInterface.sequelize.query(`
+      UPDATE falukant_data.vehicle
+      SET condition = GREATEST(0, LEAST(100, condition))
+      WHERE condition < 0 OR condition > 100;
+    `);
+
+    // Default + NOT NULL
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.vehicle
+      ALTER COLUMN condition SET DEFAULT 100;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.vehicle
+      ALTER COLUMN condition SET NOT NULL;
+    `);
+
+    // Check constraint 0..100
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.vehicle
+      DROP CONSTRAINT IF EXISTS vehicle_condition_0_100_chk;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.vehicle
+      ADD CONSTRAINT vehicle_condition_0_100_chk
+      CHECK (condition >= 0 AND condition <= 100);
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    // Keep the column, but remove constraint/default to be reversible
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.vehicle
+      DROP CONSTRAINT IF EXISTS vehicle_condition_0_100_chk;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.vehicle
+      ALTER COLUMN condition DROP DEFAULT;
+    `);
+    // NOT NULL not reverted to avoid introducing NULLs on rollback; can be adjusted if needed
+  },
+};
+
+

backend/migrations/20251222001000-add-may-repair-vehicles-to-director.cjs

@@ -0,0 +1,32 @@
+/* eslint-disable */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.director
+      ADD COLUMN IF NOT EXISTS may_repair_vehicles boolean;
+    `);
+    await queryInterface.sequelize.query(`
+      UPDATE falukant_data.director
+      SET may_repair_vehicles = true
+      WHERE may_repair_vehicles IS NULL;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.director
+      ALTER COLUMN may_repair_vehicles SET DEFAULT true;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.director
+      ALTER COLUMN may_repair_vehicles SET NOT NULL;
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    // optional rollback: drop column
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.director
+      DROP COLUMN IF EXISTS may_repair_vehicles;
+    `);
+  },
+};
+
+

backend/migrations/20251230000000-add-vocab-trainer-tables.cjs

@@ -0,0 +1,61 @@
+/* eslint-disable */
+'use strict';
+
+module.exports = {
+  async up(queryInterface) {
+    // Sprache / Set, das geteilt werden kann
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_language (
+        id SERIAL PRIMARY KEY,
+        owner_user_id INTEGER NOT NULL,
+        name TEXT NOT NULL,
+        share_code TEXT NOT NULL,
+        created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
+        CONSTRAINT vocab_language_owner_fk
+          FOREIGN KEY (owner_user_id)
+          REFERENCES community."user"(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_language_share_code_uniq UNIQUE (share_code)
+      );
+    `);
+
+    // Abos (Freunde)
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_language_subscription (
+        id SERIAL PRIMARY KEY,
+        user_id INTEGER NOT NULL,
+        language_id INTEGER NOT NULL,
+        created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
+        CONSTRAINT vocab_language_subscription_user_fk
+          FOREIGN KEY (user_id)
+          REFERENCES community."user"(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_language_subscription_language_fk
+          FOREIGN KEY (language_id)
+          REFERENCES community.vocab_language(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_language_subscription_uniq UNIQUE (user_id, language_id)
+      );
+    `);
+
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_language_owner_idx
+      ON community.vocab_language(owner_user_id);
+    `);
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_language_subscription_user_idx
+      ON community.vocab_language_subscription(user_id);
+    `);
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_language_subscription_language_idx
+      ON community.vocab_language_subscription(language_id);
+    `);
+  },
+
+  async down(queryInterface) {
+    await queryInterface.sequelize.query(`DROP TABLE IF EXISTS community.vocab_language_subscription;`);
+    await queryInterface.sequelize.query(`DROP TABLE IF EXISTS community.vocab_language;`);
+  }
+};
+
+

backend/migrations/20251230001000-add-vocab-chapters-and-lexemes.cjs

@@ -0,0 +1,106 @@
+/* eslint-disable */
+'use strict';
+
+module.exports = {
+  async up(queryInterface) {
+    // Kapitel innerhalb einer Sprache
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_chapter (
+        id SERIAL PRIMARY KEY,
+        language_id INTEGER NOT NULL,
+        title TEXT NOT NULL,
+        created_by_user_id INTEGER NOT NULL,
+        created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
+        CONSTRAINT vocab_chapter_language_fk
+          FOREIGN KEY (language_id)
+          REFERENCES community.vocab_language(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_chapter_creator_fk
+          FOREIGN KEY (created_by_user_id)
+          REFERENCES community."user"(id)
+          ON DELETE CASCADE
+      );
+    `);
+
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_chapter_language_idx
+      ON community.vocab_chapter(language_id);
+    `);
+
+    // Lexeme/Wörter (wir deduplizieren pro Sprache über normalized)
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_lexeme (
+        id SERIAL PRIMARY KEY,
+        language_id INTEGER NOT NULL,
+        text TEXT NOT NULL,
+        normalized TEXT NOT NULL,
+        created_by_user_id INTEGER NOT NULL,
+        created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
+        CONSTRAINT vocab_lexeme_language_fk
+          FOREIGN KEY (language_id)
+          REFERENCES community.vocab_language(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_lexeme_creator_fk
+          FOREIGN KEY (created_by_user_id)
+          REFERENCES community."user"(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_lexeme_unique_per_language UNIQUE (language_id, normalized)
+      );
+    `);
+
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_lexeme_language_idx
+      ON community.vocab_lexeme(language_id);
+    `);
+
+    // n:m Zuordnung pro Kapitel: Lernwort ↔ Referenzwort (Mehrdeutigkeiten möglich)
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_chapter_lexeme (
+        id SERIAL PRIMARY KEY,
+        chapter_id INTEGER NOT NULL,
+        learning_lexeme_id INTEGER NOT NULL,
+        reference_lexeme_id INTEGER NOT NULL,
+        created_by_user_id INTEGER NOT NULL,
+        created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
+        CONSTRAINT vocab_chlex_chapter_fk
+          FOREIGN KEY (chapter_id)
+          REFERENCES community.vocab_chapter(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_chlex_learning_fk
+          FOREIGN KEY (learning_lexeme_id)
+          REFERENCES community.vocab_lexeme(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_chlex_reference_fk
+          FOREIGN KEY (reference_lexeme_id)
+          REFERENCES community.vocab_lexeme(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_chlex_creator_fk
+          FOREIGN KEY (created_by_user_id)
+          REFERENCES community."user"(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_chlex_unique UNIQUE (chapter_id, learning_lexeme_id, reference_lexeme_id)
+      );
+    `);
+
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_chlex_chapter_idx
+      ON community.vocab_chapter_lexeme(chapter_id);
+    `);
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_chlex_learning_idx
+      ON community.vocab_chapter_lexeme(learning_lexeme_id);
+    `);
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_chlex_reference_idx
+      ON community.vocab_chapter_lexeme(reference_lexeme_id);
+    `);
+  },
+
+  async down(queryInterface) {
+    await queryInterface.sequelize.query(`DROP TABLE IF EXISTS community.vocab_chapter_lexeme;`);
+    await queryInterface.sequelize.query(`DROP TABLE IF EXISTS community.vocab_lexeme;`);
+    await queryInterface.sequelize.query(`DROP TABLE IF EXISTS community.vocab_chapter;`);
+  }
+};
+
+

backend/migrations/20260101000000-add-tax-percent-to-region.cjs

@@ -0,0 +1,17 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_data.region
+      ADD COLUMN IF NOT EXISTS tax_percent numeric NOT NULL DEFAULT 7;
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_data.region
+      DROP COLUMN IF EXISTS tax_percent;
+    `);
+  }
+};

backend/migrations/20260101000002-add-neutral-sell-costs-to-product.cjs

@@ -0,0 +1,50 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    // 1) add backup column for original sell_cost (idempotent)
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_type.product
+      ADD COLUMN IF NOT EXISTS original_sell_cost numeric;
+    `);
+
+    // 2) if original_sell_cost is not set, copy current sell_cost into it
+    await queryInterface.sequelize.query(`
+      UPDATE falukant_type.product
+      SET original_sell_cost = sell_cost
+      WHERE original_sell_cost IS NULL;
+    `);
+
+    // 3) compute max cumulative tax across regions and increase sell_cost accordingly
+    //    We use the maximum cumulative tax (worst-case) so sellers are neutral across regions.
+    //    Formula: neutral_sell = CEIL(original_sell_cost * (1 / (1 - max_total/100)))
+    await queryInterface.sequelize.query(`
+      WITH RECURSIVE ancestors AS (
+        SELECT id AS start_id, id, parent_id, tax_percent FROM falukant_data.region
+        UNION ALL
+        SELECT a.start_id, r.id, r.parent_id, r.tax_percent
+        FROM falukant_data.region r
+        JOIN ancestors a ON r.id = a.parent_id
+      ), totals AS (
+        SELECT start_id, COALESCE(SUM(tax_percent), 0) AS total FROM ancestors GROUP BY start_id
+      ), mm AS (
+        SELECT COALESCE(MAX(total),0) AS max_total FROM totals
+      )
+      UPDATE falukant_type.product
+      SET sell_cost = CEIL(original_sell_cost * (CASE WHEN (1 - mm.max_total/100) <= 0 THEN 1 ELSE (1 / (1 - mm.max_total/100)) END))
+      FROM mm
+      WHERE original_sell_cost IS NOT NULL;
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_type.product
+      DROP COLUMN IF EXISTS sell_cost_min_neutral;
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_type.product
+      DROP COLUMN IF EXISTS sell_cost_max_neutral;
+    `);
+  }
+};

backend/migrations/20260112000000-add-indexes-for-director-proposals-rollback.sql

@@ -0,0 +1,13 @@
+-- Rollback: Remove indexes for director proposals and character queries
+-- Created: 2026-01-12
+
+DROP INDEX IF EXISTS falukant_data.idx_character_region_user_created;
+DROP INDEX IF EXISTS falukant_data.idx_character_region_user;
+DROP INDEX IF EXISTS falukant_data.idx_character_user_id;
+DROP INDEX IF EXISTS falukant_data.idx_director_proposal_employer_character;
+DROP INDEX IF EXISTS falukant_data.idx_director_character_id;
+DROP INDEX IF EXISTS falukant_data.idx_director_employer_user_id;
+DROP INDEX IF EXISTS falukant_data.idx_knowledge_character_id;
+DROP INDEX IF EXISTS falukant_data.idx_relationship_character1_id;
+DROP INDEX IF EXISTS falukant_data.idx_child_relation_father_id;
+DROP INDEX IF EXISTS falukant_data.idx_child_relation_mother_id;

backend/migrations/20260112000000-add-indexes-for-director-proposals.sql

@@ -0,0 +1,43 @@
+-- Migration: Add indexes for director proposals and character queries
+-- Created: 2026-01-12
+
+-- Index für schnelle Suche nach NPCs in einer Region (mit Altersbeschränkung)
+CREATE INDEX IF NOT EXISTS idx_character_region_user_created 
+ON falukant_data.character (region_id, user_id, created_at) 
+WHERE user_id IS NULL;
+
+-- Index für schnelle Suche nach NPCs ohne Altersbeschränkung
+CREATE INDEX IF NOT EXISTS idx_character_region_user 
+ON falukant_data.character (region_id, user_id) 
+WHERE user_id IS NULL;
+
+-- Index für Character-Suche nach user_id (wichtig für getFamily, getDirectorForBranch)
+CREATE INDEX IF NOT EXISTS idx_character_user_id 
+ON falukant_data.character (user_id);
+
+-- Index für Director-Proposals
+CREATE INDEX IF NOT EXISTS idx_director_proposal_employer_character 
+ON falukant_data.director_proposal (employer_user_id, director_character_id);
+
+-- Index für aktive Direktoren
+CREATE INDEX IF NOT EXISTS idx_director_character_id 
+ON falukant_data.director (director_character_id);
+
+-- Index für Director-Suche nach employer_user_id
+CREATE INDEX IF NOT EXISTS idx_director_employer_user_id 
+ON falukant_data.director (employer_user_id);
+
+-- Index für Knowledge-Berechnung
+CREATE INDEX IF NOT EXISTS idx_knowledge_character_id 
+ON falukant_data.knowledge (character_id);
+
+-- Index für Relationships (getFamily)
+CREATE INDEX IF NOT EXISTS idx_relationship_character1_id 
+ON falukant_data.relationship (character1_id);
+
+-- Index für ChildRelations (getFamily)
+CREATE INDEX IF NOT EXISTS idx_child_relation_father_id 
+ON falukant_data.child_relation (father_id);
+
+CREATE INDEX IF NOT EXISTS idx_child_relation_mother_id 
+ON falukant_data.child_relation (mother_id);

backend/migrations/20260115000000-add-vocab-courses.cjs

@@ -0,0 +1,132 @@
+/* eslint-disable */
+'use strict';
+
+module.exports = {
+  async up(queryInterface) {
+    // Kurs-Tabelle
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_course (
+        id SERIAL PRIMARY KEY,
+        owner_user_id INTEGER NOT NULL,
+        title TEXT NOT NULL,
+        description TEXT,
+        language_id INTEGER NOT NULL,
+        difficulty_level INTEGER DEFAULT 1,
+        is_public BOOLEAN DEFAULT false,
+        share_code TEXT,
+        created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
+        updated_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
+        CONSTRAINT vocab_course_owner_fk
+          FOREIGN KEY (owner_user_id)
+          REFERENCES community."user"(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_course_language_fk
+          FOREIGN KEY (language_id)
+          REFERENCES community.vocab_language(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_course_share_code_uniq UNIQUE (share_code)
+      );
+    `);
+
+    // Lektionen innerhalb eines Kurses
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_course_lesson (
+        id SERIAL PRIMARY KEY,
+        course_id INTEGER NOT NULL,
+        chapter_id INTEGER NOT NULL,
+        lesson_number INTEGER NOT NULL,
+        title TEXT NOT NULL,
+        description TEXT,
+        created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
+        CONSTRAINT vocab_course_lesson_course_fk
+          FOREIGN KEY (course_id)
+          REFERENCES community.vocab_course(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_course_lesson_chapter_fk
+          FOREIGN KEY (chapter_id)
+          REFERENCES community.vocab_chapter(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_course_lesson_unique UNIQUE (course_id, lesson_number)
+      );
+    `);
+
+    // Einschreibungen in Kurse
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_course_enrollment (
+        id SERIAL PRIMARY KEY,
+        user_id INTEGER NOT NULL,
+        course_id INTEGER NOT NULL,
+        enrolled_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
+        CONSTRAINT vocab_course_enrollment_user_fk
+          FOREIGN KEY (user_id)
+          REFERENCES community."user"(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_course_enrollment_course_fk
+          FOREIGN KEY (course_id)
+          REFERENCES community.vocab_course(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_course_enrollment_unique UNIQUE (user_id, course_id)
+      );
+    `);
+
+    // Fortschritt pro User und Lektion
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_course_progress (
+        id SERIAL PRIMARY KEY,
+        user_id INTEGER NOT NULL,
+        course_id INTEGER NOT NULL,
+        lesson_id INTEGER NOT NULL,
+        completed BOOLEAN DEFAULT false,
+        score INTEGER DEFAULT 0,
+        last_accessed_at TIMESTAMP WITHOUT TIME ZONE,
+        completed_at TIMESTAMP WITHOUT TIME ZONE,
+        CONSTRAINT vocab_course_progress_user_fk
+          FOREIGN KEY (user_id)
+          REFERENCES community."user"(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_course_progress_course_fk
+          FOREIGN KEY (course_id)
+          REFERENCES community.vocab_course(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_course_progress_lesson_fk
+          FOREIGN KEY (lesson_id)
+          REFERENCES community.vocab_course_lesson(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_course_progress_unique UNIQUE (user_id, lesson_id)
+      );
+    `);
+
+    // Indizes
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_course_owner_idx
+        ON community.vocab_course(owner_user_id);
+      CREATE INDEX IF NOT EXISTS vocab_course_language_idx
+        ON community.vocab_course(language_id);
+      CREATE INDEX IF NOT EXISTS vocab_course_public_idx
+        ON community.vocab_course(is_public);
+      CREATE INDEX IF NOT EXISTS vocab_course_lesson_course_idx
+        ON community.vocab_course_lesson(course_id);
+      CREATE INDEX IF NOT EXISTS vocab_course_lesson_chapter_idx
+        ON community.vocab_course_lesson(chapter_id);
+      CREATE INDEX IF NOT EXISTS vocab_course_enrollment_user_idx
+        ON community.vocab_course_enrollment(user_id);
+      CREATE INDEX IF NOT EXISTS vocab_course_enrollment_course_idx
+        ON community.vocab_course_enrollment(course_id);
+      CREATE INDEX IF NOT EXISTS vocab_course_progress_user_idx
+        ON community.vocab_course_progress(user_id);
+      CREATE INDEX IF NOT EXISTS vocab_course_progress_course_idx
+        ON community.vocab_course_progress(course_id);
+      CREATE INDEX IF NOT EXISTS vocab_course_progress_lesson_idx
+        ON community.vocab_course_progress(lesson_id);
+    `);
+  },
+
+  async down(queryInterface) {
+    await queryInterface.sequelize.query(`
+      DROP TABLE IF EXISTS community.vocab_course_progress CASCADE;
+      DROP TABLE IF EXISTS community.vocab_course_enrollment CASCADE;
+      DROP TABLE IF EXISTS community.vocab_course_lesson CASCADE;
+      DROP TABLE IF EXISTS community.vocab_course CASCADE;
+    `);
+  }
+};

backend/migrations/20260115000001-add-vocab-grammar-exercises.cjs

@@ -0,0 +1,101 @@
+/* eslint-disable */
+'use strict';
+
+module.exports = {
+  async up(queryInterface) {
+    // Grammatik-Übungstypen (z.B. "gap_fill", "multiple_choice", "sentence_building", "transformation")
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_grammar_exercise_type (
+        id SERIAL PRIMARY KEY,
+        name TEXT NOT NULL UNIQUE,
+        description TEXT,
+        created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW()
+      );
+    `);
+
+    // Grammatik-Übungen (verknüpft mit Lektionen)
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_grammar_exercise (
+        id SERIAL PRIMARY KEY,
+        lesson_id INTEGER NOT NULL,
+        exercise_type_id INTEGER NOT NULL,
+        exercise_number INTEGER NOT NULL,
+        title TEXT NOT NULL,
+        instruction TEXT,
+        question_data JSONB NOT NULL,
+        answer_data JSONB NOT NULL,
+        explanation TEXT,
+        created_by_user_id INTEGER NOT NULL,
+        created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
+        CONSTRAINT vocab_grammar_exercise_lesson_fk
+          FOREIGN KEY (lesson_id)
+          REFERENCES community.vocab_course_lesson(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_grammar_exercise_type_fk
+          FOREIGN KEY (exercise_type_id)
+          REFERENCES community.vocab_grammar_exercise_type(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_grammar_exercise_creator_fk
+          FOREIGN KEY (created_by_user_id)
+          REFERENCES community."user"(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_grammar_exercise_unique UNIQUE (lesson_id, exercise_number)
+      );
+    `);
+
+    // Fortschritt für Grammatik-Übungen
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS community.vocab_grammar_exercise_progress (
+        id SERIAL PRIMARY KEY,
+        user_id INTEGER NOT NULL,
+        exercise_id INTEGER NOT NULL,
+        attempts INTEGER DEFAULT 0,
+        correct_attempts INTEGER DEFAULT 0,
+        last_attempt_at TIMESTAMP WITHOUT TIME ZONE,
+        completed BOOLEAN DEFAULT false,
+        completed_at TIMESTAMP WITHOUT TIME ZONE,
+        CONSTRAINT vocab_grammar_exercise_progress_user_fk
+          FOREIGN KEY (user_id)
+          REFERENCES community."user"(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_grammar_exercise_progress_exercise_fk
+          FOREIGN KEY (exercise_id)
+          REFERENCES community.vocab_grammar_exercise(id)
+          ON DELETE CASCADE,
+        CONSTRAINT vocab_grammar_exercise_progress_unique UNIQUE (user_id, exercise_id)
+      );
+    `);
+
+    // Indizes
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_lesson_idx
+        ON community.vocab_grammar_exercise(lesson_id);
+      CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_type_idx
+        ON community.vocab_grammar_exercise(exercise_type_id);
+      CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_progress_user_idx
+        ON community.vocab_grammar_exercise_progress(user_id);
+      CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_progress_exercise_idx
+        ON community.vocab_grammar_exercise_progress(exercise_id);
+    `);
+
+    // Standard-Übungstypen einfügen
+    await queryInterface.sequelize.query(`
+      INSERT INTO community.vocab_grammar_exercise_type (name, description) VALUES
+        ('gap_fill', 'Lückentext-Übung'),
+        ('multiple_choice', 'Multiple-Choice-Fragen'),
+        ('sentence_building', 'Satzbau-Übung'),
+        ('transformation', 'Satzumformung'),
+        ('conjugation', 'Konjugations-Übung'),
+        ('declension', 'Deklinations-Übung')
+      ON CONFLICT (name) DO NOTHING;
+    `);
+  },
+
+  async down(queryInterface) {
+    await queryInterface.sequelize.query(`
+      DROP TABLE IF EXISTS community.vocab_grammar_exercise_progress CASCADE;
+      DROP TABLE IF EXISTS community.vocab_grammar_exercise CASCADE;
+      DROP TABLE IF EXISTS community.vocab_grammar_exercise_type CASCADE;
+    `);
+  }
+};

backend/migrations/20260115000002-add-course-structure.cjs

@@ -0,0 +1,47 @@
+/* eslint-disable */
+'use strict';
+
+module.exports = {
+  async up(queryInterface) {
+    // chapter_id optional machen (nicht alle Lektionen brauchen ein Kapitel)
+    await queryInterface.sequelize.query(`
+      ALTER TABLE community.vocab_course_lesson
+      ALTER COLUMN chapter_id DROP NOT NULL;
+    `);
+
+    // Kurs-Wochen/Module hinzufügen
+    await queryInterface.sequelize.query(`
+      ALTER TABLE community.vocab_course_lesson
+      ADD COLUMN IF NOT EXISTS week_number INTEGER,
+      ADD COLUMN IF NOT EXISTS day_number INTEGER,
+      ADD COLUMN IF NOT EXISTS lesson_type TEXT DEFAULT 'vocab',
+      ADD COLUMN IF NOT EXISTS audio_url TEXT,
+      ADD COLUMN IF NOT EXISTS cultural_notes TEXT;
+    `);
+
+    // Indizes für Wochen/Tage
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS vocab_course_lesson_week_idx
+        ON community.vocab_course_lesson(course_id, week_number);
+      CREATE INDEX IF NOT EXISTS vocab_course_lesson_type_idx
+        ON community.vocab_course_lesson(lesson_type);
+    `);
+
+    // Kommentar hinzufügen für lesson_type
+    await queryInterface.sequelize.query(`
+      COMMENT ON COLUMN community.vocab_course_lesson.lesson_type IS 
+        'Type: vocab, grammar, conversation, culture, review';
+    `);
+  },
+
+  async down(queryInterface) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE community.vocab_course_lesson
+      DROP COLUMN IF EXISTS week_number,
+      DROP COLUMN IF EXISTS day_number,
+      DROP COLUMN IF EXISTS lesson_type,
+      DROP COLUMN IF EXISTS audio_url,
+      DROP COLUMN IF EXISTS cultural_notes;
+    `);
+  }
+};

backend/migrations/20260115000003-add-course-learning-goals.cjs

@@ -0,0 +1,33 @@
+/* eslint-disable */
+'use strict';
+
+module.exports = {
+  async up(queryInterface) {
+    // Lernziele für Lektionen
+    await queryInterface.sequelize.query(`
+      ALTER TABLE community.vocab_course_lesson
+      ADD COLUMN IF NOT EXISTS target_minutes INTEGER,
+      ADD COLUMN IF NOT EXISTS target_score_percent INTEGER DEFAULT 80,
+      ADD COLUMN IF NOT EXISTS requires_review BOOLEAN DEFAULT false;
+    `);
+
+    // Kommentare hinzufügen
+    await queryInterface.sequelize.query(`
+      COMMENT ON COLUMN community.vocab_course_lesson.target_minutes IS 
+        'Zielzeit in Minuten für diese Lektion';
+      COMMENT ON COLUMN community.vocab_course_lesson.target_score_percent IS 
+        'Mindestpunktzahl in Prozent zum Abschluss (z.B. 80)';
+      COMMENT ON COLUMN community.vocab_course_lesson.requires_review IS 
+        'Muss diese Lektion wiederholt werden, wenn Ziel nicht erreicht?';
+    `);
+  },
+
+  async down(queryInterface) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE community.vocab_course_lesson
+      DROP COLUMN IF EXISTS target_minutes,
+      DROP COLUMN IF EXISTS target_score_percent,
+      DROP COLUMN IF EXISTS requires_review;
+    `);
+  }
+};

backend/migrations/20260118000000-add-notification-user-shown-index.cjs

@@ -0,0 +1,30 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    // Create index on (user_id, shown) to optimize markNotificationsShown queries
+    // This prevents deadlocks by allowing fast lookups and reducing lock contention
+    await queryInterface.sequelize.query(`
+      DO $$
+      BEGIN
+        IF NOT EXISTS (
+          SELECT 1 FROM pg_class c 
+          JOIN pg_namespace n ON n.oid = c.relnamespace
+          WHERE c.relkind = 'i' 
+            AND c.relname = 'idx_notification_user_id_shown' 
+            AND n.nspname = 'falukant_log'
+        ) THEN
+          CREATE INDEX idx_notification_user_id_shown 
+          ON falukant_log.notification (user_id, shown);
+        END IF;
+      END$$;
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      DROP INDEX IF EXISTS falukant_log.idx_notification_user_id_shown;
+    `);
+  }
+};
+

backend/migrations/add_chat_room_dialog_fields.sql

@@ -0,0 +1,19 @@
+BEGIN;
+
+ALTER TABLE chat.room
+    ADD COLUMN IF NOT EXISTS gender_restriction_id INTEGER,
+    ADD COLUMN IF NOT EXISTS min_age INTEGER,
+    ADD COLUMN IF NOT EXISTS max_age INTEGER,
+    ADD COLUMN IF NOT EXISTS password VARCHAR(255),
+    ADD COLUMN IF NOT EXISTS friends_of_owner_only BOOLEAN DEFAULT FALSE,
+    ADD COLUMN IF NOT EXISTS required_user_right_id INTEGER;
+
+UPDATE chat.room
+SET friends_of_owner_only = FALSE
+WHERE friends_of_owner_only IS NULL;
+
+ALTER TABLE chat.room
+    ALTER COLUMN friends_of_owner_only SET DEFAULT FALSE,
+    ALTER COLUMN friends_of_owner_only SET NOT NULL;
+
+COMMIT;

backend/migrations/add_condition_to_vehicle.sql

@@ -0,0 +1,20 @@
+-- Migration: Add condition and available_from columns to vehicle table
+-- Date: 2024-12-02
+
+ALTER TABLE falukant_data.vehicle
+ADD COLUMN IF NOT EXISTS condition INTEGER NOT NULL DEFAULT 100;
+
+ALTER TABLE falukant_data.vehicle
+ADD COLUMN IF NOT EXISTS available_from TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;
+
+COMMENT ON COLUMN falukant_data.vehicle.condition IS 'Current condition of the vehicle (0-100)';
+COMMENT ON COLUMN falukant_data.vehicle.available_from IS 'Timestamp when the vehicle becomes available for use';
+
+-- Migration: Add build_time_minutes column to vehicle type table
+-- Date: 2024-12-03
+
+ALTER TABLE falukant_type.vehicle
+ADD COLUMN IF NOT EXISTS build_time_minutes INTEGER NOT NULL DEFAULT 0;
+
+COMMENT ON COLUMN falukant_type.vehicle.build_time_minutes IS 'Time to construct the vehicle, in minutes';
+

backend/migrations/add_is_heir_to_child_relation.sql

@@ -0,0 +1,9 @@
+-- Migration: Add is_heir column to child_relation table
+-- Date: 2025-12-08
+-- Description: Adds a boolean field to mark a child as the heir
+
+ALTER TABLE falukant_data.child_relation
+ADD COLUMN IF NOT EXISTS is_heir BOOLEAN DEFAULT false;
+
+COMMENT ON COLUMN falukant_data.child_relation.is_heir IS 'Marks whether this child is set as the heir';
+

backend/migrations/add_trigger_for_hashedId.cjs

@@ -2,6 +2,11 @@
 
 module.exports = {
     up: async (queryInterface, Sequelize) => {
+        // Aktiviere die pgcrypto Erweiterung, die die digest() Funktion bereitstellt
+        await queryInterface.sequelize.query(`
+            CREATE EXTENSION IF NOT EXISTS pgcrypto;
+        `);
+
         await queryInterface.sequelize.query(`
             CREATE OR REPLACE FUNCTION community.update_hashed_id() RETURNS TRIGGER AS $$
             BEGIN

backend/migrations/make_transport_product_nullable.sql

@@ -0,0 +1,7 @@
+-- Migration: Make productId and size nullable in transport table
+-- This allows empty transports (moving vehicles without products)
+
+ALTER TABLE falukant_data.transport 
+  ALTER COLUMN product_id DROP NOT NULL,
+  ALTER COLUMN size DROP NOT NULL;
+

backend/models/associations.js

@@ -5,6 +5,7 @@ import ChatUser from './chat/user.js';
 import Room from './chat/room.js';
 import User from './community/user.js';
 import UserParam from './community/user_param.js';
+import UserDashboard from './community/user_dashboard.js';
 import UserParamType from './type/user_param.js';
 import UserRightType from './type/user_right.js';
 import UserRight from './community/user_right.js';
@@ -44,6 +45,7 @@ import FalukantStockType from './falukant/type/stock.js';
 import Knowledge from './falukant/data/product_knowledge.js';
 import ProductType from './falukant/type/product.js';
 import TitleOfNobility from './falukant/type/title_of_nobility.js';
+import TitleBenefit from './falukant/type/title_benefit.js';
 import TitleRequirement from './falukant/type/title_requirement.js';
 import Branch from './falukant/data/branch.js';
 import BranchType from './falukant/type/branch.js';
@@ -93,10 +95,30 @@ import PoliticalOfficeRequirement from './falukant/predefine/political_office_pr
 import PoliticalOfficePrerequisite from './falukant/predefine/political_office_prerequisite.js';
 import PoliticalOfficeHistory from './falukant/log/political_office_history.js';
 import ElectionHistory from './falukant/log/election_history.js';
+import ChurchOfficeType from './falukant/type/church_office_type.js';
+import ChurchOfficeRequirement from './falukant/predefine/church_office_requirement.js';
+import ChurchOffice from './falukant/data/church_office.js';
+import ChurchApplication from './falukant/data/church_application.js';
 import Underground from './falukant/data/underground.js';
 import UndergroundType from './falukant/type/underground.js';
+import VehicleType from './falukant/type/vehicle.js';
+import Vehicle from './falukant/data/vehicle.js';
+import Transport from './falukant/data/transport.js';
+import RegionDistance from './falukant/data/region_distance.js';
+import WeatherType from './falukant/type/weather.js';
+import Weather from './falukant/data/weather.js';
+import ProductWeatherEffect from './falukant/type/product_weather_effect.js';
+import ProductPriceHistory from './falukant/log/product_price_history.js';
 import Blog from './community/blog.js';
 import BlogPost from './community/blog_post.js';
+import VocabCourse from './community/vocab_course.js';
+import VocabCourseLesson from './community/vocab_course_lesson.js';
+import VocabCourseEnrollment from './community/vocab_course_enrollment.js';
+import VocabCourseProgress from './community/vocab_course_progress.js';
+import VocabGrammarExerciseType from './community/vocab_grammar_exercise_type.js';
+import VocabGrammarExercise from './community/vocab_grammar_exercise.js';
+import VocabGrammarExerciseProgress from './community/vocab_grammar_exercise_progress.js';
+import CalendarEvent from './community/calendar_event.js';
 import Campaign from './match3/campaign.js';
 import Match3Level from './match3/level.js';
 import Objective from './match3/objective.js';
@@ -148,6 +170,9 @@ export default function setupAssociations() {
   User.hasMany(UserParam, { foreignKey: 'userId', as: 'user_params' });
   UserParam.belongsTo(User, { foreignKey: 'userId', as: 'user' });
 
+  User.hasOne(UserDashboard, { foreignKey: 'userId', as: 'dashboard' });
+  UserDashboard.belongsTo(User, { foreignKey: 'userId', as: 'user' });
+
   UserParamValue.belongsTo(UserParamType, { foreignKey: 'userParamTypeId', as: 'user_param_value_type' });
   UserParamType.hasMany(UserParamValue, { foreignKey: 'userParamTypeId', as: 'user_param_type_value' });
 
@@ -284,6 +309,21 @@ export default function setupAssociations() {
   RegionData.belongsTo(RegionType, { foreignKey: 'regionTypeId', as: 'regionType' });
   RegionType.hasMany(RegionData, { foreignKey: 'regionTypeId', as: 'regions' });
 
+  Weather.belongsTo(RegionData, { foreignKey: 'regionId', as: 'region' });
+  RegionData.hasOne(Weather, { foreignKey: 'regionId', as: 'weather' });
+
+  Weather.belongsTo(WeatherType, { foreignKey: 'weatherTypeId', as: 'weatherType' });
+  WeatherType.hasMany(Weather, { foreignKey: 'weatherTypeId', as: 'weathers' });
+
+  ProductWeatherEffect.belongsTo(ProductType, { foreignKey: 'productId', as: 'product' });
+  ProductType.hasMany(ProductWeatherEffect, { foreignKey: 'productId', as: 'weatherEffects' });
+
+  ProductWeatherEffect.belongsTo(WeatherType, { foreignKey: 'weatherTypeId', as: 'weatherType' });
+  WeatherType.hasMany(ProductWeatherEffect, { foreignKey: 'weatherTypeId', as: 'productEffects' });
+
+  Production.belongsTo(WeatherType, { foreignKey: 'weatherTypeId', as: 'weatherType' });
+  WeatherType.hasMany(Production, { foreignKey: 'weatherTypeId', as: 'productions' });
+
   FalukantUser.belongsTo(RegionData, { foreignKey: 'mainBranchRegionId', as: 'mainBranchRegion' });
   RegionData.hasMany(FalukantUser, { foreignKey: 'mainBranchRegionId', as: 'users' });
 
@@ -313,6 +353,8 @@ export default function setupAssociations() {
 
   TitleRequirement.belongsTo(TitleOfNobility, { foreignKey: 'titleId', as: 'title' });
   TitleOfNobility.hasMany(TitleRequirement, { foreignKey: 'titleId', as: 'requirements' });
+  TitleOfNobility.hasMany(TitleBenefit, { foreignKey: 'titleId', as: 'benefits' });
+  TitleBenefit.belongsTo(TitleOfNobility, { foreignKey: 'titleId', as: 'title' });
 
   Branch.belongsTo(RegionData, { foreignKey: 'regionId', as: 'region' });
   RegionData.hasMany(Branch, { foreignKey: 'regionId', as: 'branches' });
@@ -383,6 +425,13 @@ export default function setupAssociations() {
   DaySell.belongsTo(FalukantUser, { foreignKey: 'sellerId', as: 'user' });
   FalukantUser.hasMany(DaySell, { foreignKey: 'sellerId', as: 'daySells' });
 
+  // Produkt-Preishistorie (Zeitreihe für Preiskurven)
+  ProductPriceHistory.belongsTo(ProductType, { foreignKey: 'productId', as: 'productType' });
+  ProductType.hasMany(ProductPriceHistory, { foreignKey: 'productId', as: 'priceHistory' });
+
+  ProductPriceHistory.belongsTo(RegionData, { foreignKey: 'regionId', as: 'region' });
+  RegionData.hasMany(ProductPriceHistory, { foreignKey: 'regionId', as: 'productPriceHistory' });
+
   Notification.belongsTo(FalukantUser, { foreignKey: 'userId', as: 'user' });
   FalukantUser.hasMany(Notification, { foreignKey: 'userId', as: 'notifications' });
 
@@ -421,6 +470,89 @@ export default function setupAssociations() {
   PromotionalGiftLog.belongsTo(FalukantCharacter, { foreignKey: 'recipientCharacterId', as: 'recipient' });
   FalukantCharacter.hasMany(PromotionalGiftLog, { foreignKey: 'recipientCharacterId', as: 'giftlogs' });
 
+  // Vehicles & Transports
+
+  VehicleType.hasMany(Vehicle, {
+    foreignKey: 'vehicleTypeId',
+    as: 'vehicles',
+  });
+  Vehicle.belongsTo(VehicleType, {
+    foreignKey: 'vehicleTypeId',
+    as: 'type',
+  });
+
+  FalukantUser.hasMany(Vehicle, {
+    foreignKey: 'falukantUserId',
+    as: 'vehicles',
+  });
+  Vehicle.belongsTo(FalukantUser, {
+    foreignKey: 'falukantUserId',
+    as: 'owner',
+  });
+
+  RegionData.hasMany(Vehicle, {
+    foreignKey: 'regionId',
+    as: 'vehicles',
+  });
+  Vehicle.belongsTo(RegionData, {
+    foreignKey: 'regionId',
+    as: 'region',
+  });
+
+  // Region distances
+  RegionData.hasMany(RegionDistance, {
+    foreignKey: 'sourceRegionId',
+    as: 'distancesFrom',
+  });
+  RegionData.hasMany(RegionDistance, {
+    foreignKey: 'targetRegionId',
+    as: 'distancesTo',
+  });
+  RegionDistance.belongsTo(RegionData, {
+    foreignKey: 'sourceRegionId',
+    as: 'sourceRegion',
+  });
+  RegionDistance.belongsTo(RegionData, {
+    foreignKey: 'targetRegionId',
+    as: 'targetRegion',
+  });
+
+  Transport.belongsTo(RegionData, {
+    foreignKey: 'sourceRegionId',
+    as: 'sourceRegion',
+  });
+  Transport.belongsTo(RegionData, {
+    foreignKey: 'targetRegionId',
+    as: 'targetRegion',
+  });
+
+  RegionData.hasMany(Transport, {
+    foreignKey: 'sourceRegionId',
+    as: 'outgoingTransports',
+  });
+  RegionData.hasMany(Transport, {
+    foreignKey: 'targetRegionId',
+    as: 'incomingTransports',
+  });
+
+  Transport.belongsTo(ProductType, {
+    foreignKey: 'productId',
+    as: 'productType',
+  });
+  ProductType.hasMany(Transport, {
+    foreignKey: 'productId',
+    as: 'transports',
+  });
+
+  Transport.belongsTo(Vehicle, {
+    foreignKey: 'vehicleId',
+    as: 'vehicle',
+  });
+  Vehicle.hasMany(Transport, {
+    foreignKey: 'vehicleId',
+    as: 'transports',
+  });
+
   PromotionalGift.hasMany(PromotionalGiftCharacterTrait, { foreignKey: 'gift_id', as: 'characterTraits' });
   PromotionalGift.hasMany(PromotionalGiftMood, { foreignKey: 'gift_id', as: 'promotionalgiftmoods' });
 
@@ -453,14 +585,14 @@ export default function setupAssociations() {
 
   Party.belongsToMany(TitleOfNobility, {
     through: PartyInvitedNobility,
-    foreignKey: 'party_id',
+    foreignKey: 'partyId',
-    otherKey: 'title_of_nobility_id',
+    otherKey: 'titleOfNobilityId',
     as: 'invitedNobilities',
   });
   TitleOfNobility.belongsToMany(Party, {
     through: PartyInvitedNobility,
-    foreignKey: 'title_of_nobility_id',
+    foreignKey: 'titleOfNobilityId',
-    otherKey: 'party_id',
+    otherKey: 'partyId',
     as: 'partiesInvitedTo',
   });
 
@@ -493,44 +625,52 @@ export default function setupAssociations() {
 
   Learning.belongsTo(LearnRecipient, {
     foreignKey: 'learningRecipientId',
-    as: 'recipient'
+    as: 'recipient',
+    constraints: false
   }
   );
 
   LearnRecipient.hasMany(Learning, {
     foreignKey: 'learningRecipientId',
-    as: 'learnings'
+    as: 'learnings',
+    constraints: false
   });
 
   Learning.belongsTo(FalukantUser, {
     foreignKey: 'associatedFalukantUserId',
-    as: 'learner'
+    as: 'learner',
+    constraints: false
   }
   );
 
   FalukantUser.hasMany(Learning, {
     foreignKey: 'associatedFalukantUserId',
-    as: 'learnings'
+    as: 'learnings',
+    constraints: false
   });
 
   Learning.belongsTo(ProductType, {
     foreignKey: 'productId',
-    as: 'productType'
+    as: 'productType',
+    constraints: false
   });
 
   ProductType.hasMany(Learning, {
     foreignKey: 'productId',
-    as: 'learnings'
+    as: 'learnings',
+    constraints: false
   });
 
   Learning.belongsTo(FalukantCharacter, {
     foreignKey: 'associatedLearningCharacterId',
-    as: 'learningCharacter'
+    as: 'learningCharacter',
+    constraints: false
   });
 
   FalukantCharacter.hasMany(Learning, {
     foreignKey: 'associatedLearningCharacterId',
-    as: 'learningsCharacter'
+    as: 'learningsCharacter',
+    constraints: false
   });
 
   FalukantUser.hasMany(Credit, {
@@ -746,6 +886,96 @@ export default function setupAssociations() {
   }
   );
 
+  // — Church Offices —
+
+  // Requirements for church office
+  ChurchOfficeRequirement.belongsTo(ChurchOfficeType, {
+    foreignKey: 'officeTypeId',
+    as: 'officeType'
+  });
+  ChurchOfficeType.hasMany(ChurchOfficeRequirement, {
+    foreignKey: 'officeTypeId',
+    as: 'requirements'
+  });
+
+  // Prerequisite office type
+  ChurchOfficeRequirement.belongsTo(ChurchOfficeType, {
+    foreignKey: 'prerequisiteOfficeTypeId',
+    as: 'prerequisiteOfficeType'
+  });
+
+  // Actual church office holdings
+  ChurchOffice.belongsTo(ChurchOfficeType, {
+    foreignKey: 'officeTypeId',
+    as: 'type'
+  });
+  ChurchOfficeType.hasMany(ChurchOffice, {
+    foreignKey: 'officeTypeId',
+    as: 'offices'
+  });
+
+  ChurchOffice.belongsTo(FalukantCharacter, {
+    foreignKey: 'characterId',
+    as: 'holder'
+  });
+  FalukantCharacter.hasOne(ChurchOffice, {
+    foreignKey: 'characterId',
+    as: 'heldChurchOffice'
+  });
+
+  // Supervisor relationship
+  ChurchOffice.belongsTo(FalukantCharacter, {
+    foreignKey: 'supervisorId',
+    as: 'supervisor'
+  });
+
+  // Region relationship
+  ChurchOffice.belongsTo(RegionData, {
+    foreignKey: 'regionId',
+    as: 'region'
+  });
+  RegionData.hasMany(ChurchOffice, {
+    foreignKey: 'regionId',
+    as: 'churchOffices'
+  });
+
+  // Applications for church office
+  ChurchApplication.belongsTo(ChurchOfficeType, {
+    foreignKey: 'officeTypeId',
+    as: 'officeType'
+  });
+  ChurchOfficeType.hasMany(ChurchApplication, {
+    foreignKey: 'officeTypeId',
+    as: 'applications'
+  });
+
+  ChurchApplication.belongsTo(FalukantCharacter, {
+    foreignKey: 'characterId',
+    as: 'applicant'
+  });
+  FalukantCharacter.hasMany(ChurchApplication, {
+    foreignKey: 'characterId',
+    as: 'churchApplications'
+  });
+
+  ChurchApplication.belongsTo(FalukantCharacter, {
+    foreignKey: 'supervisorId',
+    as: 'supervisor'
+  });
+  FalukantCharacter.hasMany(ChurchApplication, {
+    foreignKey: 'supervisorId',
+    as: 'supervisedApplications'
+  });
+
+  ChurchApplication.belongsTo(RegionData, {
+    foreignKey: 'regionId',
+    as: 'region'
+  });
+  RegionData.hasMany(ChurchApplication, {
+    foreignKey: 'regionId',
+    as: 'churchApplications'
+  });
+
   Underground.belongsTo(UndergroundType, {
     foreignKey: 'undergroundTypeId',
     as: 'undergroundType'
@@ -828,5 +1058,41 @@ export default function setupAssociations() {
   
   TaxiHighscore.belongsTo(TaxiMap, { foreignKey: 'mapId', as: 'map' });
   TaxiMap.hasMany(TaxiHighscore, { foreignKey: 'mapId', as: 'highscores' });
+
+  // Vocab Course associations
+  VocabCourse.belongsTo(User, { foreignKey: 'ownerUserId', as: 'owner' });
+  User.hasMany(VocabCourse, { foreignKey: 'ownerUserId', as: 'ownedCourses' });
+  
+  VocabCourseLesson.belongsTo(VocabCourse, { foreignKey: 'courseId', as: 'course' });
+  VocabCourse.hasMany(VocabCourseLesson, { foreignKey: 'courseId', as: 'lessons' });
+  
+  VocabCourseEnrollment.belongsTo(User, { foreignKey: 'userId', as: 'user' });
+  User.hasMany(VocabCourseEnrollment, { foreignKey: 'userId', as: 'courseEnrollments' });
+  VocabCourseEnrollment.belongsTo(VocabCourse, { foreignKey: 'courseId', as: 'course' });
+  VocabCourse.hasMany(VocabCourseEnrollment, { foreignKey: 'courseId', as: 'enrollments' });
+  
+  VocabCourseProgress.belongsTo(User, { foreignKey: 'userId', as: 'user' });
+  User.hasMany(VocabCourseProgress, { foreignKey: 'userId', as: 'courseProgress' });
+  VocabCourseProgress.belongsTo(VocabCourse, { foreignKey: 'courseId', as: 'course' });
+  VocabCourse.hasMany(VocabCourseProgress, { foreignKey: 'courseId', as: 'progress' });
+  VocabCourseProgress.belongsTo(VocabCourseLesson, { foreignKey: 'lessonId', as: 'lesson' });
+  VocabCourseLesson.hasMany(VocabCourseProgress, { foreignKey: 'lessonId', as: 'progress' });
+
+  // Grammar Exercise associations
+  VocabGrammarExercise.belongsTo(VocabCourseLesson, { foreignKey: 'lessonId', as: 'lesson' });
+  VocabCourseLesson.hasMany(VocabGrammarExercise, { foreignKey: 'lessonId', as: 'grammarExercises' });
+  VocabGrammarExercise.belongsTo(VocabGrammarExerciseType, { foreignKey: 'exerciseTypeId', as: 'exerciseType' });
+  VocabGrammarExerciseType.hasMany(VocabGrammarExercise, { foreignKey: 'exerciseTypeId', as: 'exercises' });
+  VocabGrammarExercise.belongsTo(User, { foreignKey: 'createdByUserId', as: 'creator' });
+  User.hasMany(VocabGrammarExercise, { foreignKey: 'createdByUserId', as: 'createdGrammarExercises' });
+  
+  VocabGrammarExerciseProgress.belongsTo(User, { foreignKey: 'userId', as: 'user' });
+  User.hasMany(VocabGrammarExerciseProgress, { foreignKey: 'userId', as: 'grammarExerciseProgress' });
+  VocabGrammarExerciseProgress.belongsTo(VocabGrammarExercise, { foreignKey: 'exerciseId', as: 'exercise' });
+  VocabGrammarExercise.hasMany(VocabGrammarExerciseProgress, { foreignKey: 'exerciseId', as: 'progress' });
+  
+  // Calendar associations
+  CalendarEvent.belongsTo(User, { foreignKey: 'userId', as: 'user' });
+  User.hasMany(CalendarEvent, { foreignKey: 'userId', as: 'calendarEvents' });
 }
 

backend/models/community/calendar_event.js

@@ -0,0 +1,86 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../utils/sequelize.js';
+
+class CalendarEvent extends Model { }
+
+CalendarEvent.init({
+    id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true
+    },
+    userId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        references: {
+            model: 'user',
+            key: 'id'
+        }
+    },
+    title: {
+        type: DataTypes.STRING(255),
+        allowNull: false
+    },
+    description: {
+        type: DataTypes.TEXT,
+        allowNull: true
+    },
+    categoryId: {
+        type: DataTypes.STRING(50),
+        allowNull: false,
+        defaultValue: 'personal',
+        comment: 'Category key: personal, work, family, health, birthday, holiday, reminder, other'
+    },
+    startDate: {
+        type: DataTypes.DATEONLY,
+        allowNull: false
+    },
+    endDate: {
+        type: DataTypes.DATEONLY,
+        allowNull: true,
+        comment: 'End date for multi-day events, null means same as startDate'
+    },
+    startTime: {
+        type: DataTypes.TIME,
+        allowNull: true,
+        comment: 'Start time, null for all-day events'
+    },
+    endTime: {
+        type: DataTypes.TIME,
+        allowNull: true,
+        comment: 'End time, null for all-day events'
+    },
+    allDay: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: false
+    },
+    createdAt: {
+        type: DataTypes.DATE,
+        defaultValue: DataTypes.NOW
+    },
+    updatedAt: {
+        type: DataTypes.DATE,
+        defaultValue: DataTypes.NOW
+    }
+}, {
+    sequelize,
+    modelName: 'CalendarEvent',
+    tableName: 'calendar_event',
+    schema: 'community',
+    timestamps: true,
+    underscored: true,
+    indexes: [
+        {
+            fields: ['user_id']
+        },
+        {
+            fields: ['user_id', 'start_date']
+        },
+        {
+            fields: ['user_id', 'start_date', 'end_date']
+        }
+    ]
+});
+
+export default CalendarEvent;

backend/models/community/folder.js

@@ -8,16 +8,12 @@ const Folder = sequelize.define('folder', {
         allowNull: false},
     parentId: {
         type: DataTypes.INTEGER,
-        allowNull: true,
+        allowNull: true
-        references: {
+    },
-            model: 'folder',
-            key: 'id'}},
     userId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
+    }}, {
-            model: 'user',
-            key: 'id'}}}, {
     tableName: 'folder',
     schema: 'community',
     underscored: true,

backend/models/community/folder_image_visibility.js

@@ -10,22 +10,11 @@ const FolderImageVisibility = sequelize.define('folder_image_visibility', {
     },
     folderId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: 'folder',
-            key: 'id'
-        }
     },
     visibilityTypeId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: {
-                schema: 'type', 
-                tableName: 'image_visibility_type'
-            },
-            key: 'id'
-        }
     }
 }, {
     tableName: 'folder_image_visibility',

backend/models/community/folder_visibility_user.js

@@ -10,19 +10,11 @@ const FolderVisibilityUser = sequelize.define('folder_visibility_user', {
     },
     folderId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: 'folder',
-            key: 'id'
-        }
     },
     visibilityUserId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: 'image_visibility_user',
-            key: 'id'
-        }
     }
 }, {
     tableName: 'folder_visibility_user',

backend/models/community/guestbook.js

@@ -10,19 +10,11 @@ const GuestbookEntry = sequelize.define('guestbook_entry', {
         allowNull: false},
     recipientId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: User, 
-            key: 'id'
-        }
     },
     senderId: {
         type: DataTypes.INTEGER,
-        allowNull: true, 
+        allowNull: true
-        references: {
-            model: User, 
-            key: 'id'
-        }
     },
     senderUsername: {
         type: DataTypes.STRING,

backend/models/community/image.js

@@ -18,16 +18,12 @@ const Image = sequelize.define('image', {
         unique: true},
     folderId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
+    },
-            model: 'folder',
-            key: 'id'}},
     userId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
+    }}, {
-            model: 'user',
-            key: 'id'}}}, {
     tableName: 'image',
     schema: 'community',
     underscored: true,

backend/models/community/image_image_visibility.js

@@ -10,22 +10,11 @@ const ImageImageVisibility = sequelize.define('image_image_visibility', {
     },
     imageId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: 'image', 
-            key: 'id'
-        }
     },
     visibilityTypeId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: {
-                schema: 'type',
-                tableName: 'image_visibility_type'
-            },
-            key: 'id'
-        }
     }
 }, {
     tableName: 'image_image_visibility',

backend/models/community/user_dashboard.js

@@ -0,0 +1,24 @@
+import { sequelize } from '../../utils/sequelize.js';
+import { DataTypes } from 'sequelize';
+import User from './user.js';
+
+const UserDashboard = sequelize.define('user_dashboard', {
+    userId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        primaryKey: true,
+        references: { model: User, key: 'id' }
+    },
+    config: {
+        type: DataTypes.JSONB,
+        allowNull: false,
+        defaultValue: { widgets: [] }
+    }
+}, {
+    tableName: 'user_dashboard',
+    schema: 'community',
+    underscored: true,
+    timestamps: false
+});
+
+export default UserDashboard;

backend/models/community/user_param.js

@@ -7,19 +7,11 @@ import { encrypt, decrypt } from '../../utils/encryption.js';
 const UserParam = sequelize.define('user_param', {
     userId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: User,
-            key: 'id',
-        },
     },
     paramTypeId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: UserParamType,
-            key: 'id',
-        },
     },
     value: {
         type: DataTypes.STRING,

backend/models/community/user_right.js

@@ -6,19 +6,11 @@ import UserRightType from '../type/user_right.js';
 const UserRight = sequelize.define('user_right', {
     userId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: User,
-            key: 'id'
-        }
     },
     rightTypeId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        references: {
-            model: UserRightType,
-            key: 'id'
-        }
     }}, {
     tableName: 'user_right',
     schema: 'community',

backend/models/community/vocab_course.js

@@ -0,0 +1,75 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../utils/sequelize.js';
+
+class VocabCourse extends Model {}
+
+VocabCourse.init({
+    id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true
+    },
+    ownerUserId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'owner_user_id'
+    },
+    title: {
+        type: DataTypes.TEXT,
+        allowNull: false
+    },
+    description: {
+        type: DataTypes.TEXT,
+        allowNull: true
+    },
+    languageId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'language_id'
+    },
+    nativeLanguageId: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        field: 'native_language_id',
+        comment: 'Muttersprache des Lerners (z.B. Deutsch, Englisch). NULL bedeutet "für alle Sprachen".'
+    },
+    difficultyLevel: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        defaultValue: 1,
+        field: 'difficulty_level'
+    },
+    isPublic: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: false,
+        field: 'is_public'
+    },
+    shareCode: {
+        type: DataTypes.TEXT,
+        allowNull: true,
+        unique: true,
+        field: 'share_code'
+    },
+    createdAt: {
+        type: DataTypes.DATE,
+        allowNull: false,
+        defaultValue: DataTypes.NOW,
+        field: 'created_at'
+    },
+    updatedAt: {
+        type: DataTypes.DATE,
+        allowNull: false,
+        defaultValue: DataTypes.NOW,
+        field: 'updated_at'
+    }
+}, {
+    sequelize,
+    modelName: 'VocabCourse',
+    tableName: 'vocab_course',
+    schema: 'community',
+    timestamps: true,
+    underscored: true
+});
+
+export default VocabCourse;

backend/models/community/vocab_course_enrollment.js

@@ -0,0 +1,37 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../utils/sequelize.js';
+
+class VocabCourseEnrollment extends Model {}
+
+VocabCourseEnrollment.init({
+    id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true
+    },
+    userId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'user_id'
+    },
+    courseId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'course_id'
+    },
+    enrolledAt: {
+        type: DataTypes.DATE,
+        allowNull: false,
+        defaultValue: DataTypes.NOW,
+        field: 'enrolled_at'
+    }
+}, {
+    sequelize,
+    modelName: 'VocabCourseEnrollment',
+    tableName: 'vocab_course_enrollment',
+    schema: 'community',
+    timestamps: false,
+    underscored: true
+});
+
+export default VocabCourseEnrollment;

backend/models/community/vocab_course_lesson.js

@@ -0,0 +1,93 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../utils/sequelize.js';
+
+class VocabCourseLesson extends Model {}
+
+VocabCourseLesson.init({
+    id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true
+    },
+    courseId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'course_id'
+    },
+    chapterId: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        field: 'chapter_id'
+    },
+    lessonNumber: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'lesson_number'
+    },
+    title: {
+        type: DataTypes.TEXT,
+        allowNull: false
+    },
+    description: {
+        type: DataTypes.TEXT,
+        allowNull: true
+    },
+    weekNumber: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        field: 'week_number'
+    },
+    dayNumber: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        field: 'day_number'
+    },
+    lessonType: {
+        type: DataTypes.TEXT,
+        allowNull: false,
+        defaultValue: 'vocab',
+        field: 'lesson_type'
+    },
+    audioUrl: {
+        type: DataTypes.TEXT,
+        allowNull: true,
+        field: 'audio_url'
+    },
+    culturalNotes: {
+        type: DataTypes.TEXT,
+        allowNull: true,
+        field: 'cultural_notes'
+    },
+    targetMinutes: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        field: 'target_minutes'
+    },
+    targetScorePercent: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        defaultValue: 80,
+        field: 'target_score_percent'
+    },
+    requiresReview: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: false,
+        field: 'requires_review'
+    },
+    createdAt: {
+        type: DataTypes.DATE,
+        allowNull: false,
+        defaultValue: DataTypes.NOW,
+        field: 'created_at'
+    }
+}, {
+    sequelize,
+    modelName: 'VocabCourseLesson',
+    tableName: 'vocab_course_lesson',
+    schema: 'community',
+    timestamps: false,
+    underscored: true
+});
+
+export default VocabCourseLesson;

backend/models/community/vocab_course_progress.js

@@ -0,0 +1,56 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../utils/sequelize.js';
+
+class VocabCourseProgress extends Model {}
+
+VocabCourseProgress.init({
+    id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true
+    },
+    userId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'user_id'
+    },
+    courseId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'course_id'
+    },
+    lessonId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'lesson_id'
+    },
+    completed: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: false
+    },
+    score: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        defaultValue: 0
+    },
+    lastAccessedAt: {
+        type: DataTypes.DATE,
+        allowNull: true,
+        field: 'last_accessed_at'
+    },
+    completedAt: {
+        type: DataTypes.DATE,
+        allowNull: true,
+        field: 'completed_at'
+    }
+}, {
+    sequelize,
+    modelName: 'VocabCourseProgress',
+    tableName: 'vocab_course_progress',
+    schema: 'community',
+    timestamps: false,
+    underscored: true
+});
+
+export default VocabCourseProgress;

backend/models/community/vocab_grammar_exercise.js

@@ -0,0 +1,69 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../utils/sequelize.js';
+
+class VocabGrammarExercise extends Model {}
+
+VocabGrammarExercise.init({
+    id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true
+    },
+    lessonId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'lesson_id'
+    },
+    exerciseTypeId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'exercise_type_id'
+    },
+    exerciseNumber: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'exercise_number'
+    },
+    title: {
+        type: DataTypes.TEXT,
+        allowNull: false
+    },
+    instruction: {
+        type: DataTypes.TEXT,
+        allowNull: true
+    },
+    questionData: {
+        type: DataTypes.JSONB,
+        allowNull: false,
+        field: 'question_data'
+    },
+    answerData: {
+        type: DataTypes.JSONB,
+        allowNull: false,
+        field: 'answer_data'
+    },
+    explanation: {
+        type: DataTypes.TEXT,
+        allowNull: true
+    },
+    createdByUserId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'created_by_user_id'
+    },
+    createdAt: {
+        type: DataTypes.DATE,
+        allowNull: false,
+        defaultValue: DataTypes.NOW,
+        field: 'created_at'
+    }
+}, {
+    sequelize,
+    modelName: 'VocabGrammarExercise',
+    tableName: 'vocab_grammar_exercise',
+    schema: 'community',
+    timestamps: false,
+    underscored: true
+});
+
+export default VocabGrammarExercise;

backend/models/community/vocab_grammar_exercise_progress.js

@@ -0,0 +1,57 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../utils/sequelize.js';
+
+class VocabGrammarExerciseProgress extends Model {}
+
+VocabGrammarExerciseProgress.init({
+    id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true
+    },
+    userId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'user_id'
+    },
+    exerciseId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        field: 'exercise_id'
+    },
+    attempts: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        defaultValue: 0
+    },
+    correctAttempts: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        defaultValue: 0,
+        field: 'correct_attempts'
+    },
+    lastAttemptAt: {
+        type: DataTypes.DATE,
+        allowNull: true,
+        field: 'last_attempt_at'
+    },
+    completed: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: false
+    },
+    completedAt: {
+        type: DataTypes.DATE,
+        allowNull: true,
+        field: 'completed_at'
+    }
+}, {
+    sequelize,
+    modelName: 'VocabGrammarExerciseProgress',
+    tableName: 'vocab_grammar_exercise_progress',
+    schema: 'community',
+    timestamps: false,
+    underscored: true
+});
+
+export default VocabGrammarExerciseProgress;

backend/models/community/vocab_grammar_exercise_type.js

@@ -0,0 +1,36 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../utils/sequelize.js';
+
+class VocabGrammarExerciseType extends Model {}
+
+VocabGrammarExerciseType.init({
+    id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true
+    },
+    name: {
+        type: DataTypes.TEXT,
+        allowNull: false,
+        unique: true
+    },
+    description: {
+        type: DataTypes.TEXT,
+        allowNull: true
+    },
+    createdAt: {
+        type: DataTypes.DATE,
+        allowNull: false,
+        defaultValue: DataTypes.NOW,
+        field: 'created_at'
+    }
+}, {
+    sequelize,
+    modelName: 'VocabGrammarExerciseType',
+    tableName: 'vocab_grammar_exercise_type',
+    schema: 'community',
+    timestamps: false,
+    underscored: true
+});
+
+export default VocabGrammarExerciseType;

backend/models/falukant/data/character.js

@@ -34,6 +34,18 @@ FalukantCharacter.init(
       type: DataTypes.INTEGER,
       allowNull: false,
       defaultValue: 1}
+    ,
+    reputation: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      // Initialisierung: zufällig 20..80 (Prozent)
+      // DB-seitig per DEFAULT umgesetzt, damit es auch ohne App-Logic gilt.
+      defaultValue: sequelize.literal('(floor(random()*61)+20)'),
+      validate: {
+        min: 0,
+        max: 100
+      }
+    }
   },
   {
     sequelize,

backend/models/falukant/data/church_application.js

@@ -0,0 +1,47 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+
+class ChurchApplication extends Model {}
+
+ChurchApplication.init({
+  id: {
+    type: DataTypes.INTEGER,
+    primaryKey: true,
+    autoIncrement: true
+  },
+  officeTypeId: {
+    type: DataTypes.INTEGER,
+    allowNull: false
+  },
+  characterId: {
+    type: DataTypes.INTEGER,
+    allowNull: false
+  },
+  regionId: {
+    type: DataTypes.INTEGER,
+    allowNull: false
+  },
+  supervisorId: {
+    type: DataTypes.INTEGER,
+    allowNull: true,
+    comment: 'ID des Vorgesetzten, der über die Bewerbung entscheidet (null für Einstiegspositionen ohne Supervisor)'
+  },
+  status: {
+    type: DataTypes.ENUM('pending', 'approved', 'rejected'),
+    allowNull: false,
+    defaultValue: 'pending'
+  },
+  decisionDate: {
+    type: DataTypes.DATE,
+    allowNull: true
+  }
+}, {
+  sequelize,
+  modelName: 'ChurchApplication',
+  tableName: 'church_application',
+  schema: 'falukant_data',
+  timestamps: true,
+  underscored: true
+});
+
+export default ChurchApplication;

backend/models/falukant/data/church_office.js

@@ -0,0 +1,38 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+
+class ChurchOffice extends Model {}
+
+ChurchOffice.init({
+  id: {
+    type: DataTypes.INTEGER,
+    primaryKey: true,
+    autoIncrement: true
+  },
+  officeTypeId: {
+    type: DataTypes.INTEGER,
+    allowNull: false
+  },
+  characterId: {
+    type: DataTypes.INTEGER,
+    allowNull: false
+  },
+  regionId: {
+    type: DataTypes.INTEGER,
+    allowNull: false
+  },
+  supervisorId: {
+    type: DataTypes.INTEGER,
+    allowNull: true,
+    comment: 'ID des Vorgesetzten (höhere Position in der Hierarchie)'
+  }
+}, {
+  sequelize,
+  modelName: 'ChurchOffice',
+  tableName: 'church_office',
+  schema: 'falukant_data',
+  timestamps: true,
+  underscored: true
+});
+
+export default ChurchOffice;

backend/models/falukant/data/director.js

@@ -29,6 +29,10 @@ Director.init({
         type: DataTypes.BOOLEAN,
         allowNull: false,
         defaultValue: true},
+    mayRepairVehicles: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: true},
     lastSalaryPayout: {
         type: DataTypes.DATE,
         allowNull: false,

backend/models/falukant/data/production.js

@@ -1,5 +1,6 @@
 import { Model, DataTypes } from 'sequelize';
 import { sequelize } from '../../../utils/sequelize.js';
+import WeatherType from '../type/weather.js';
 
 class Production extends Model { }
 
@@ -13,10 +14,20 @@ Production.init({
     quantity: {
         type: DataTypes.INTEGER,
         allowNull: false},
+    weatherTypeId: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        comment: 'Wetter zum Zeitpunkt der Produktionserstellung'
+    },
     startTimestamp: {
         type: DataTypes.DATE,
         allowNull: false,
-        defaultValue: sequelize.literal('CURRENT_TIMESTAMP')}
+        defaultValue: sequelize.literal('CURRENT_TIMESTAMP')},
+    sleep: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: false,
+        comment: 'Produktion ist zurückgestellt'}
 }, {
     sequelize,
     modelName: 'Production',

backend/models/falukant/data/region.js

@@ -30,6 +30,13 @@ RegionData.init({
         allowNull: true,
         defaultValue: {}
     }
+    ,
+    taxPercent: {
+        type: DataTypes.DECIMAL,
+        allowNull: false,
+        defaultValue: 7,
+        field: 'tax_percent'
+    }
 }, {
     sequelize,
     modelName: 'RegionData',

backend/models/falukant/data/region_distance.js

@@ -0,0 +1,41 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+import RegionData from './region.js';
+
+class RegionDistance extends Model {}
+
+RegionDistance.init(
+  {
+    sourceRegionId: {
+      type: DataTypes.INTEGER,
+      allowNull: false
+    },
+    targetRegionId: {
+      type: DataTypes.INTEGER,
+      allowNull: false
+    },
+    transportMode: {
+      // e.g. 'land', 'water', 'air' – should match VehicleType.transportMode
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+    distance: {
+      // distance between regions (e.g. in abstract units, used for travel time etc.)
+      type: DataTypes.DOUBLE,
+      allowNull: false,
+    },
+  },
+  {
+    sequelize,
+    modelName: 'RegionDistance',
+    tableName: 'region_distance',
+    schema: 'falukant_data',
+    timestamps: false,
+    underscored: true,
+  }
+);
+
+export default RegionDistance;
+
+
+

backend/models/falukant/data/relationship.js

@@ -8,18 +8,10 @@ Relationship.init(
   {
     character1Id: {
       type: DataTypes.INTEGER,
-      allowNull: false,
+      allowNull: false},
-      references: {
-        model: FalukantCharacter,
-        key: 'id'},
-      onDelete: 'CASCADE'},
     character2Id: {
       type: DataTypes.INTEGER,
-      allowNull: false,
+      allowNull: false},
-      references: {
-        model: FalukantCharacter,
-        key: 'id'},
-      onDelete: 'CASCADE'},
     relationshipTypeId: {
       type: DataTypes.INTEGER,
       allowNull: false,

backend/models/falukant/data/stock.js

@@ -14,7 +14,13 @@ FalukantStock.init({
         allowNull: false},
     quantity: {
         type: DataTypes.INTEGER,
-        allowNull: false}}, {
+        allowNull: false},
+    productQuality: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        comment: 'Quality of the stored product (0-100)'
+    }
+}, {
     sequelize,
     modelName: 'StockData',
     tableName: 'stock',

backend/models/falukant/data/transport.js

@@ -0,0 +1,41 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+
+class Transport extends Model {}
+
+Transport.init(
+  {
+    sourceRegionId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+    targetRegionId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+    productId: {
+      type: DataTypes.INTEGER,
+      allowNull: true, // Nullable für leere Transporte (nur Fahrzeuge bewegen)
+    },
+    size: {
+      type: DataTypes.INTEGER,
+      allowNull: true, // Nullable für leere Transporte (nur Fahrzeuge bewegen)
+    },
+    vehicleId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+  },
+  {
+    sequelize,
+    modelName: 'Transport',
+    tableName: 'transport',
+    schema: 'falukant_data',
+    timestamps: true,
+    underscored: true,
+  }
+);
+
+export default Transport;
+
+

backend/models/falukant/data/user.js

@@ -8,13 +8,6 @@ FalukantUser.init({
     userId: {
         type: DataTypes.INTEGER,
         allowNull: false,
-        references: {
-            model: {
-                tableName: 'user',
-                schema: 'community' 
-            },
-            key: 'id'
-        },
         unique: true},
     money: {
         type: DataTypes.DECIMAL(10, 2),
@@ -38,12 +31,11 @@ FalukantUser.init({
         defaultValue: 1},
     mainBranchRegionId: {
         type: DataTypes.INTEGER,
-        allowNull: true,
+        allowNull: true
-        references: {
+    },
-            model: RegionData,
+    lastNobilityAdvanceAt: {
-            key: 'id',
+        type: DataTypes.DATE,
-            schema: 'falukant_data'
+        allowNull: true
-        }
     }
 }, {
     sequelize,

backend/models/falukant/data/user_house.js

@@ -26,13 +26,11 @@ UserHouse.init({
     },
     houseTypeId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        defaultValue: 1
     },
     userId: {
         type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
-        defaultValue: 1
     }
 }, {
     sequelize,

backend/models/falukant/data/vehicle.js

@@ -0,0 +1,45 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+
+class Vehicle extends Model {}
+
+Vehicle.init(
+  {
+    vehicleTypeId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+    falukantUserId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+    regionId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+    condition: {
+      // current condition of the vehicle (0–100)
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      defaultValue: 100,
+    },
+    availableFrom: {
+      // timestamp when the vehicle becomes available for use
+      type: DataTypes.DATE,
+      allowNull: false,
+      defaultValue: DataTypes.NOW,
+    },
+  },
+  {
+    sequelize,
+    modelName: 'Vehicle',
+    tableName: 'vehicle',
+    schema: 'falukant_data',
+    timestamps: true,
+    underscored: true,
+  }
+);
+
+export default Vehicle;
+
+

backend/models/falukant/data/weather.js

@@ -0,0 +1,30 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+import RegionData from './region.js';
+import WeatherType from '../type/weather.js';
+
+class Weather extends Model {}
+
+Weather.init(
+  {
+    regionId: {
+      type: DataTypes.INTEGER,
+      primaryKey: true,
+      allowNull: false
+    },
+    weatherTypeId: {
+      type: DataTypes.INTEGER,
+      allowNull: false
+    }
+  },
+  {
+    sequelize,
+    modelName: 'Weather',
+    tableName: 'weather',
+    schema: 'falukant_data',
+    timestamps: false,
+    underscored: true}
+);
+
+export default Weather;
+

backend/models/falukant/log/notification.js

@@ -1,7 +1,12 @@
 import { Model, DataTypes } from 'sequelize';
 import { sequelize } from '../../../utils/sequelize.js';
 
-class Notification extends Model { }
+class Notification extends Model {
+    // Getter für characterName - wird nicht synchronisiert, da es kein Datenbankfeld ist
+    get characterName() {
+        return this.getDataValue('character_name') || null;
+    }
+}
 
 Notification.init({
     userId: { 
@@ -10,6 +15,11 @@ Notification.init({
     tr: {
         type: DataTypes.STRING,
         allowNull: false},
+    character_name: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        field: 'character_name'
+    },
     shown: {
         type: DataTypes.BOOLEAN,
         allowNull: false,

backend/models/falukant/log/product_price_history.js

@@ -0,0 +1,44 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+
+/**
+ * Preishistorie pro Produkt und Region (Zeitreihe für Preis-Graphen).
+ * Aktuell wird diese Tabelle noch nicht befüllt; sie dient nur als Grundlage.
+ */
+class ProductPriceHistory extends Model { }
+
+ProductPriceHistory.init({
+    productId: {
+        type: DataTypes.INTEGER,
+        allowNull: false
+    },
+    regionId: {
+        type: DataTypes.INTEGER,
+        allowNull: false
+    },
+    price: {
+        type: DataTypes.DECIMAL(12, 2),
+        allowNull: false
+    },
+    recordedAt: {
+        type: DataTypes.DATE,
+        allowNull: false,
+        defaultValue: sequelize.literal('CURRENT_TIMESTAMP')
+    }
+}, {
+    sequelize,
+    modelName: 'ProductPriceHistory',
+    tableName: 'product_price_history',
+    schema: 'falukant_log',
+    timestamps: false,
+    underscored: true,
+    indexes: [
+        {
+            name: 'product_price_history_product_region_recorded_idx',
+            fields: ['product_id', 'region_id', 'recorded_at']
+        }
+    ]
+});
+
+export default ProductPriceHistory;
+

backend/models/falukant/log/relationship_change_log.js

@@ -0,0 +1,49 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+
+/**
+ * Log aller Änderungen an relationship und marriage_proposals.
+ * Einträge werden ausschließlich durch DB-Trigger geschrieben und nicht gelöscht.
+ * Hilft zu analysieren, warum z.B. Werbungen um einen Partner verschwinden.
+ */
+class RelationshipChangeLog extends Model {}
+
+RelationshipChangeLog.init(
+  {
+    changedAt: {
+      type: DataTypes.DATE,
+      allowNull: false,
+      defaultValue: DataTypes.NOW
+    },
+    tableName: {
+      type: DataTypes.STRING(64),
+      allowNull: false
+    },
+    operation: {
+      type: DataTypes.STRING(16),
+      allowNull: false
+    },
+    recordId: {
+      type: DataTypes.INTEGER,
+      allowNull: true
+    },
+    payloadOld: {
+      type: DataTypes.JSONB,
+      allowNull: true
+    },
+    payloadNew: {
+      type: DataTypes.JSONB,
+      allowNull: true
+    }
+  },
+  {
+    sequelize,
+    modelName: 'RelationshipChangeLog',
+    tableName: 'relationship_change_log',
+    schema: 'falukant_log',
+    timestamps: false,
+    underscored: true
+  }
+);
+
+export default RelationshipChangeLog;

backend/models/falukant/log/reputation_action.js

@@ -0,0 +1,59 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+
+class ReputationActionLog extends Model {}
+
+ReputationActionLog.init(
+  {
+    falukantUserId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      field: 'falukant_user_id',
+    },
+    actionTypeId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      field: 'action_type_id',
+    },
+    cost: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+    baseGain: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      field: 'base_gain',
+    },
+    gain: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+    timesUsedBefore: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      field: 'times_used_before',
+    },
+    actionTimestamp: {
+      type: DataTypes.DATE,
+      allowNull: false,
+      defaultValue: sequelize.literal('CURRENT_TIMESTAMP'),
+      field: 'action_timestamp',
+    },
+  },
+  {
+    sequelize,
+    modelName: 'ReputationActionLog',
+    tableName: 'reputation_action',
+    schema: 'falukant_log',
+    timestamps: false,
+    underscored: true,
+    indexes: [
+      { fields: ['falukant_user_id', 'action_type_id'] },
+      { fields: ['action_timestamp'] },
+    ],
+  }
+);
+
+export default ReputationActionLog;
+
+

backend/models/falukant/predefine/church_office_requirement.js

@@ -0,0 +1,35 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+
+class ChurchOfficeRequirement extends Model {}
+
+ChurchOfficeRequirement.init({
+  id: {
+    type: DataTypes.INTEGER,
+    primaryKey: true,
+    autoIncrement: true
+  },
+  officeTypeId: {
+    type: DataTypes.INTEGER,
+    allowNull: false
+  },
+  prerequisiteOfficeTypeId: {
+    type: DataTypes.INTEGER,
+    allowNull: true,
+    comment: 'Erforderliche niedrigere Position in der Hierarchie'
+  },
+  minTitleLevel: {
+    type: DataTypes.INTEGER,
+    allowNull: true,
+    comment: 'Mindest-Titel-Level (optional)'
+  }
+}, {
+  sequelize,
+  modelName: 'ChurchOfficeRequirement',
+  tableName: 'church_office_requirement',
+  schema: 'falukant_predefine',
+  timestamps: false,
+  underscored: true
+});
+
+export default ChurchOfficeRequirement;

backend/models/falukant/predefine/promotional_gift_character_trait.js

@@ -10,14 +10,14 @@ PromotionalGiftCharacterTrait.init(
     giftId: {
       type: DataTypes.INTEGER,
       field: 'gift_id',
-      references: { model: PromotionalGift, key: 'id' },
+      allowNull: false,
-      allowNull: false
+      primaryKey: true
     },
     traitId: {
       type: DataTypes.INTEGER,
       field: 'trait_id',
-      references: { model: CharacterTrait, key: 'id' },
+      allowNull: false,
-      allowNull: false
+      primaryKey: true
     },
     suitability: {
       type: DataTypes.INTEGER,

backend/models/falukant/predefine/promotional_gift_mood.js

@@ -10,20 +10,14 @@ PromotionalGiftMood.init(
     giftId: {
       type: DataTypes.INTEGER,
       field: 'gift_id',
-      references: {
+      allowNull: false,
-        model: PromotionalGift,
+      primaryKey: true
-        key: 'id'
-      },
-      allowNull: false
     },
     moodId: {
       type: DataTypes.INTEGER,
       field: 'mood_id',
-      references: {
+      allowNull: false,
-        model: Mood,
+      primaryKey: true
-        key: 'id'
-      },
-      allowNull: false
     },
     suitability: {
       type: DataTypes.INTEGER,

backend/models/falukant/type/church_office_type.js

@@ -0,0 +1,38 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+
+class ChurchOfficeType extends Model {}
+
+ChurchOfficeType.init({
+  id: {
+    type: DataTypes.INTEGER,
+    primaryKey: true,
+    autoIncrement: true
+  },
+  name: {
+    type: DataTypes.STRING,
+    allowNull: false
+  },
+  seatsPerRegion: {
+    type: DataTypes.INTEGER,
+    allowNull: false
+  },
+  regionType: {
+    type: DataTypes.STRING,
+    allowNull: false
+  },
+  hierarchyLevel: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    comment: 'Höhere Zahl = höhere Position in der Hierarchie'
+  }
+}, {
+  sequelize,
+  modelName: 'ChurchOfficeType',
+  tableName: 'church_office_type',
+  schema: 'falukant_type',
+  timestamps: false,
+  underscored: true
+});
+
+export default ChurchOfficeType;

backend/models/falukant/type/product.js

@@ -15,7 +15,8 @@ ProductType.init({
         allowNull: false},
     sellCost: {
         type: DataTypes.INTEGER,
-        allowNull: false}
+        allowNull: false
+    }
 }, {
     sequelize,
     modelName: 'ProductType',

backend/models/falukant/type/product_weather_effect.js

@@ -0,0 +1,41 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+import ProductType from './product.js';
+import WeatherType from './weather.js';
+
+class ProductWeatherEffect extends Model {}
+
+ProductWeatherEffect.init(
+  {
+    productId: {
+      type: DataTypes.INTEGER,
+      allowNull: false
+    },
+    weatherTypeId: {
+      type: DataTypes.INTEGER,
+      allowNull: false
+    },
+    qualityEffect: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      comment: 'Effekt auf Qualität: -2 (sehr negativ), -1 (negativ), 0 (neutral), 1 (positiv), 2 (sehr positiv)'
+    }
+  },
+  {
+    sequelize,
+    modelName: 'ProductWeatherEffect',
+    tableName: 'product_weather_effect',
+    schema: 'falukant_type',
+    timestamps: false,
+    underscored: true,
+    indexes: [
+      {
+        unique: true,
+        fields: ['product_id', 'weather_type_id']
+      }
+    ]
+  }
+);
+
+export default ProductWeatherEffect;
+

backend/models/falukant/type/region.js

@@ -9,11 +9,7 @@ RegionType.init({
         allowNull: false},
     parentId: {
         type: DataTypes.INTEGER,
-        allowNull: true,
+        allowNull: true
-        references: {
-            model: 'region',
-            key: 'id',
-            schema: 'falukant_type'}
     }
 }, {
     sequelize,