Refactor sendMessageToConnection method to enhance user data validation and message handling

- Introduce a local copy of the message to ensure its validity during processing. - Validate user data retrieved from the WebSocket interface to ensure consistency before queuing messages. - Streamline logging by removing redundant checks and focusing on critical error handling, improving overall clarity and stability.
Remove redundant exception handling in sendMessageToConnection method to streamline error logging and improve code clarity.
2026-01-14 14:38:43 +01:00 · 2026-01-14 14:38:43 +01:00 · 2026-01-14 14:38:43 +01:00 · 2026-01-14 14:38:43 +01:00 · 2026-01-14 14:38:43 +01:00 · 2026-01-14 14:38:43 +01:00
276 changed files with 28248 additions and 3391 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,8 @@ frontend/dist
 frontend/dist/*
 frontedtree.txt
 backend/dist/
 build
 build/*
 .vscode
 .vscode/*
 .clang-format
--- a/CMakeLists.txt
+++ b/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)
--- a/CMakeLists.txt.user
+++ b/CMakeLists.txt.user
@@ -0,0 +1,414 @@
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--- a/CMakeLists.txt.user.d36652f
+++ b/CMakeLists.txt.user.d36652f
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--- a/PERFORMANCE_ANALYSIS.md
+++ b/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
--- a/SELL_OVERVIEW.md
+++ b/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`
--- a/SSL-SETUP.md
+++ b/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`
--- a/backend/README_TAX.md
+++ b/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.
--- a/backend/app.js
+++ b/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';
@@ -16,6 +17,8 @@ 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 cors from 'cors';
 import './jobs/sessionCleanup.js';
@@ -24,6 +27,25 @@ 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);
 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'], 
  methods: ['GET', 'HEAD', 'PUT', 'PATCH', 'POST', 'DELETE'],
@@ -48,10 +70,12 @@ 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/blog', blogRouter);
 app.use('/api/termine', termineRouter);
 // Serve frontend SPA for non-API routes to support history mode clean URLs
 const frontendDir = path.join(__dirname, '../frontend');
--- a/backend/controllers/adminController.js
+++ b/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;
--- a/backend/controllers/falukantController.js
+++ b/backend/controllers/falukantController.js
@@ -30,6 +30,7 @@ class FalukantController {
        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);
@@ -91,6 +92,9 @@ class FalukantController {
            if (!result) throw { status: 404, message: 'No family data found' };
            return result;
        });
        this.setHeir = this._wrapWithUser((userId, req) => this.service.setHeir(userId, req.body.childCharacterId));
        this.getPotentialHeirs = this._wrapWithUser((userId) => this.service.getPotentialHeirs(userId));
        this.selectHeir = this._wrapWithUser((userId, req) => this.service.selectHeir(userId, req.body.heirId));
        this.acceptMarriageProposal = this._wrapWithUser((userId, req) => this.service.acceptMarriageProposal(userId, req.body.proposalId));
        this.getGifts = this._wrapWithUser((userId) => {
            console.log('🔍 getGifts called with userId:', userId);
@@ -114,6 +118,12 @@ class FalukantController {
        }, { successStatus: 201 });
        this.getParties = this._wrapWithUser((userId) => this.service.getParties(userId));
        this.getReputationActions = this._wrapWithUser((userId) => this.service.getReputationActions(userId));
        this.executeReputationAction = this._wrapWithUser((userId, req) => {
            const { actionTypeId } = req.body;
            return this.service.executeReputationAction(userId, actionTypeId);
        }, { successStatus: 201 });
        this.getNotBaptisedChildren = this._wrapWithUser((userId) => this.service.getNotBaptisedChildren(userId));
        this.baptise = this._wrapWithUser((userId, req) => {
            const { characterId: childId, firstName } = req.body;
@@ -143,6 +153,36 @@ 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.getProductPricesInRegionBatch = this._wrapWithUser((userId, req) => {
            const productIds = req.query.productIds;
            const regionId = parseInt(req.query.regionId, 10);
            if (!productIds || Number.isNaN(regionId)) {
                throw new Error('productIds (comma-separated) and regionId are required');
            }
            const productIdArray = productIds.split(',').map(id => parseInt(id.trim(), 10)).filter(id => !Number.isNaN(id));
            if (productIdArray.length === 0) {
                throw new Error('At least one valid productId is required');
            }
            return this.service.getProductPricesInRegionBatch(userId, productIdArray, 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.renovate = this._wrapWithUser((userId, req) => this.service.renovate(userId, req.body.element));
        this.renovateAll = this._wrapWithUser((userId) => this.service.renovateAll(userId));
@@ -181,6 +221,33 @@ 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 }
        );
    }
--- a/backend/controllers/navigationController.js
+++ b/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: {
@@ -49,6 +50,11 @@ const menuStructure = {
                visible: ["all"],
                path: "/socialnetwork/gallery"
            },
            vocabtrainer: {
                visible: ["all"],
                path: "/socialnetwork/vocab",
                children: {}
            },
            blockedUsers: {
                visible: ["all"],
                path: "/socialnetwork/blocked"
@@ -117,10 +123,6 @@ const menuStructure = {
                visible: ["hasfalukantaccount"],
                path: "/falukant/branch"
            },
            directors: {
                visible: ["hasfalukantaccount"],
                path: "/falukant/directors"
            },
            family: {
                visible: ["hasfalukantaccount"],
                path: "/falukant/family"
@@ -251,6 +253,10 @@ const menuStructure = {
                visible: ["mainadmin", "chatrooms"],
                path: "/admin/chatrooms"
            },
            servicesStatus: {
                visible: ["mainadmin"],
                path: "/admin/services/status"
            },
            interests: {
                visible: ["mainadmin", "interests"],
                path: "/admin/interests"
@@ -270,6 +276,14 @@ 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 +306,7 @@ const menuStructure = {
 class NavigationController {
    constructor() {
        this.menu = this.menu.bind(this);
        this.vocabService = new VocabService();
    }
    calculateAge(birthDate) {
@@ -361,6 +376,24 @@ 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);
            // Dynamisches Submenü: Treffpunkt → Vokabeltrainer → (Neue Sprache + abonnierte/angelegte)
            // Wichtig: "Neue Sprache" soll IMMER sichtbar sein – auch wenn die DB-Abfrage (noch) fehlschlägt.
            if (filteredMenu?.socialnetwork?.children?.vocabtrainer) {
                const children = {
                    newLanguage: { path: '/socialnetwork/vocab/new' },
                };
                try {
                    const langs = await this.vocabService.listLanguagesForMenu(user.id);
                    for (const l of langs) {
                        children[`lang_${l.id}`] = { path: `/socialnetwork/vocab/${l.id}`, label: l.name };
                    }
                } catch (e) {
                    console.warn('[menu] Konnte Vokabeltrainer-Sprachen nicht laden:', e?.message || e);
                }
                filteredMenu.socialnetwork.children.vocabtrainer.children = children;
            }
            res.status(200).json(filteredMenu);
        } catch (error) {
            console.error('Error fetching menu:', error);
--- a/backend/controllers/termineController.js
+++ b/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();
--- a/backend/controllers/vocabController.js
+++ b/backend/controllers/vocabController.js
@@ -0,0 +1,46 @@
 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.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 });
  }
  _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;
--- a/backend/daemonServer.js
+++ b/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();
--- a/backend/data/termine.csv
+++ b/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
--- a/backend/fix-pgcrypto-extension.js
+++ b/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();
--- a/backend/migrations/20251126120000-add-last-nobility-advance-to-falukant-user.cjs
+++ b/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'
    );
  }
 };
--- a/backend/migrations/20251208000000-add-character-name-to-notification.cjs
+++ b/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;
    `);
  }
 };
--- a/backend/migrations/20251216000000-add-weather-type-to-production.cjs
+++ b/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;
    `);
  }
 };
--- a/backend/migrations/20251216000100-add-product-quality-to-stock.cjs
+++ b/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;
    `);
  }
 };
--- a/backend/migrations/20251220000000-add-reputation-to-character.cjs
+++ b/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;
    `);
  },
 };
--- a/backend/migrations/20251220001000-add-reputation-actions.cjs
+++ b/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;`);
  },
 };
--- a/backend/migrations/20251220002000-backfill-reputation-action-window.cjs
+++ b/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;
    `);
  },
 };
--- a/backend/migrations/20251220003000-seed-reputation-actions.cjs
+++ b/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'
      );
    `);
  },
 };
--- a/backend/migrations/20251222000000-fix-vehicle-condition-null.cjs
+++ b/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
  },
 };
--- a/backend/migrations/20251222001000-add-may-repair-vehicles-to-director.cjs
+++ b/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;
    `);
  },
 };
--- a/backend/migrations/20251230000000-add-vocab-trainer-tables.cjs
+++ b/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;`);
  }
 };
--- a/backend/migrations/20251230001000-add-vocab-chapters-and-lexemes.cjs
+++ b/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;`);
  }
 };
--- a/backend/migrations/20260101000000-add-tax-percent-to-region.cjs
+++ b/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;
    `);
  }
 };
--- a/backend/migrations/20260101000002-add-neutral-sell-costs-to-product.cjs
+++ b/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;
    `);
  }
 };
--- a/backend/migrations/20260112000000-add-indexes-for-director-proposals-rollback.sql
+++ b/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;
--- a/backend/migrations/20260112000000-add-indexes-for-director-proposals.sql
+++ b/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);
--- a/backend/migrations/20260118000000-add-notification-user-shown-index.cjs
+++ b/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;
    `);
  }
 };
--- a/backend/migrations/add_condition_to_vehicle.sql
+++ b/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';
--- a/backend/migrations/add_is_heir_to_child_relation.sql
+++ b/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';
--- a/backend/migrations/add_trigger_for_hashedId.cjs
+++ b/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
--- a/backend/migrations/make_transport_product_nullable.sql
+++ b/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;
--- a/backend/models/associations.js
+++ b/backend/models/associations.js
@@ -95,6 +95,13 @@ import PoliticalOfficeHistory from './falukant/log/political_office_history.js';
 import ElectionHistory from './falukant/log/election_history.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 Blog from './community/blog.js';
 import BlogPost from './community/blog_post.js';
 import Campaign from './match3/campaign.js';
@@ -284,6 +291,21 @@ 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' });
@@ -421,6 +443,89 @@ 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' });
@@ -493,44 +598,52 @@ 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, {
--- a/backend/models/community/folder.js
+++ b/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,
--- a/backend/models/community/folder_image_visibility.js
+++ b/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',
--- a/backend/models/community/folder_visibility_user.js
+++ b/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',
--- a/backend/models/community/guestbook.js
+++ b/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,
--- a/backend/models/community/image.js
+++ b/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,
--- a/backend/models/community/image_image_visibility.js
+++ b/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',
--- a/backend/models/community/user_param.js
+++ b/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,
--- a/backend/models/community/user_right.js
+++ b/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',
--- a/backend/models/falukant/data/character.js
+++ b/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,
--- a/backend/models/falukant/data/director.js
+++ b/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,
--- a/backend/models/falukant/data/production.js
+++ b/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 { }
@@ -13,6 +14,11 @@ 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,
--- a/backend/models/falukant/data/region.js
+++ b/backend/models/falukant/data/region.js
@@ -10,26 +10,24 @@ RegionData.init({
        allowNull: false},
    regionTypeId: {
        type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
        references: {
            model: RegionType,
            key: 'id',
            schema: 'falukant_type'
        }
    },
    parentId: {
        type: DataTypes.INTEGER,
-        allowNull: true,
+        allowNull: true
        references: {
            model: 'region',
            key: 'id',
            schema: 'falukant_data'}
    },
    map: {
        type: DataTypes.JSONB,
        allowNull: true,
        defaultValue: {}
    }
    ,
    taxPercent: {
        type: DataTypes.DECIMAL,
        allowNull: false,
        defaultValue: 7,
        field: 'tax_percent'
    }
 }, {
    sequelize,
    modelName: 'RegionData',
--- a/backend/models/falukant/data/region_distance.js
+++ b/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;
--- a/backend/models/falukant/data/relationship.js
+++ b/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,
--- a/backend/models/falukant/data/stock.js
+++ b/backend/models/falukant/data/stock.js
@@ -6,15 +6,20 @@ class FalukantStock extends Model { }
 FalukantStock.init({
    branchId: {
        type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
        defaultValue: 0
    },
    stockTypeId: {
        type: DataTypes.INTEGER,
        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',
--- a/backend/models/falukant/data/transport.js
+++ b/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;
--- a/backend/models/falukant/data/user.js
+++ b/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,
--- a/backend/models/falukant/data/user_house.js
+++ b/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,
--- a/backend/models/falukant/data/vehicle.js
+++ b/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;
--- a/backend/models/falukant/data/weather.js
+++ b/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;
--- a/backend/models/falukant/log/notification.js
+++ b/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,
--- a/backend/models/falukant/log/reputation_action.js
+++ b/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;
--- a/backend/models/falukant/predefine/promotional_gift_character_trait.js
+++ b/backend/models/falukant/predefine/promotional_gift_character_trait.js
@@ -10,13 +10,11 @@ PromotionalGiftCharacterTrait.init(
    giftId: {
      type: DataTypes.INTEGER,
      field: 'gift_id',
      references: { model: PromotionalGift, key: 'id' },
      allowNull: false
    },
    traitId: {
      type: DataTypes.INTEGER,
      field: 'trait_id',
      references: { model: CharacterTrait, key: 'id' },
      allowNull: false
    },
    suitability: {
--- a/backend/models/falukant/predefine/promotional_gift_mood.js
+++ b/backend/models/falukant/predefine/promotional_gift_mood.js
@@ -10,19 +10,11 @@ PromotionalGiftMood.init(
    giftId: {
      type: DataTypes.INTEGER,
      field: 'gift_id',
      references: {
        model: PromotionalGift,
        key: 'id'
      },
      allowNull: false
    },
    moodId: {
      type: DataTypes.INTEGER,
      field: 'mood_id',
      references: {
        model: Mood,
        key: 'id'
      },
      allowNull: false
    },
    suitability: {
--- a/backend/models/falukant/type/product_weather_effect.js
+++ b/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;
--- a/backend/models/falukant/type/region.js
+++ b/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,
--- a/backend/models/falukant/type/reputation_action.js
+++ b/backend/models/falukant/type/reputation_action.js
@@ -0,0 +1,51 @@
 import { Model, DataTypes } from 'sequelize';
 import { sequelize } from '../../../utils/sequelize.js';
 class ReputationActionType extends Model {}
 ReputationActionType.init(
  {
    tr: {
      type: DataTypes.STRING,
      allowNull: false,
    },
    cost: {
      type: DataTypes.INTEGER,
      allowNull: false,
    },
    baseGain: {
      type: DataTypes.INTEGER,
      allowNull: false,
      field: 'base_gain',
    },
    decayFactor: {
      type: DataTypes.FLOAT,
      allowNull: false,
      field: 'decay_factor',
    },
    minGain: {
      type: DataTypes.INTEGER,
      allowNull: false,
      defaultValue: 0,
      field: 'min_gain',
    },
    decayWindowDays: {
      type: DataTypes.INTEGER,
      allowNull: false,
      defaultValue: 7,
      field: 'decay_window_days',
    },
  },
  {
    sequelize,
    modelName: 'ReputationActionType',
    tableName: 'reputation_action',
    schema: 'falukant_type',
    timestamps: false,
    underscored: true,
  }
 );
 export default ReputationActionType;
--- a/backend/models/falukant/type/vehicle.js
+++ b/backend/models/falukant/type/vehicle.js
@@ -0,0 +1,52 @@
 import { Model, DataTypes } from 'sequelize';
 import { sequelize } from '../../../utils/sequelize.js';
 class VehicleType extends Model {}
 VehicleType.init(
  {
    tr: { 
      type: DataTypes.STRING,
      allowNull: false,
      unique: true, 
    },
    cost: {
      // base purchase cost of the vehicle
      type: DataTypes.INTEGER,
      allowNull: false,
    },
    buildTimeMinutes: {
      // time to construct the vehicle, in minutes
      type: DataTypes.INTEGER,
      allowNull: false, 
      defaultValue: 0,
    },
    capacity: {
      // transport capacity (e.g. in units of goods)
      type: DataTypes.INTEGER,
      allowNull: false,
    },
    transportMode: {
      // e.g. 'land', 'water', 'air'
      type: DataTypes.STRING,
      allowNull: false,
    },
    speed: {
      // abstract speed value, higher = faster
      type: DataTypes.INTEGER,
      allowNull: false,
    },
  },
  {
    sequelize,
    modelName: 'VehicleType',
    tableName: 'vehicle',
    schema: 'falukant_type',
    timestamps: false,
    underscored: true,
  }
 );
 export default VehicleType;
--- a/backend/models/falukant/type/weather.js
+++ b/backend/models/falukant/type/weather.js
@@ -0,0 +1,25 @@
 import { Model, DataTypes } from 'sequelize';
 import { sequelize } from '../../../utils/sequelize.js';
 class WeatherType extends Model {}
 WeatherType.init(
  {
    id: {
      type: DataTypes.INTEGER,
      primaryKey: true,
      autoIncrement: true},
    tr: {
      type: DataTypes.STRING,
      allowNull: false}},
  {
    sequelize,
    modelName: 'WeatherType',
    tableName: 'weather',
    schema: 'falukant_type',
    timestamps: false,
    underscored: true}
 );
 export default WeatherType;
--- a/backend/models/forum/forum_forum_permission.js
+++ b/backend/models/forum/forum_forum_permission.js
@@ -4,19 +4,11 @@ import { DataTypes } from 'sequelize';
 const ForumForumPermission = sequelize.define('forum_forum_permission', {
    forumId: {
        type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
        references: {
            model: 'forum',
            key: 'id' 
        }
    },
    permissionId: {
        type: DataTypes.INTEGER,
-        allowNull: false, 
+        allowNull: false
        references: { 
            model: 'forum_permission',
            key: 'id'
        }
    }
 }, {
    tableName: 'forum_forum_permission',
--- a/backend/models/index.js
+++ b/backend/models/index.js
@@ -79,6 +79,8 @@ import Party from './falukant/data/party.js';
 import MusicType from './falukant/type/music.js';
 import BanquetteType from './falukant/type/banquette.js';
 import PartyInvitedNobility from './falukant/data/partyInvitedNobility.js';
 import ReputationActionType from './falukant/type/reputation_action.js';
 import ReputationActionLog from './falukant/log/reputation_action.js';
 import ChildRelation from './falukant/data/child_relation.js';
 import LearnRecipient from './falukant/type/learn_recipient.js';
 import Learning from './falukant/data/learning.js';
@@ -113,6 +115,13 @@ import PoliticalOfficeHistory from './falukant/log/political_office_history.js';
 import ElectionHistory from './falukant/log/election_history.js';
 import UndergroundType from './falukant/type/underground.js';
 import Underground from './falukant/data/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 Room from './chat/room.js';
 import ChatUser from './chat/user.js';
@@ -201,12 +210,18 @@ const models = {
  BanquetteType,
  Party,
  PartyInvitedNobility,
  ReputationActionType,
  ReputationActionLog,
  ChildRelation,
  LearnRecipient,
  Learning,
  Credit,
  DebtorsPrism,
  HealthActivity,
  RegionDistance,
  VehicleType,
  Vehicle,
  Transport,
  PoliticalOfficeType,
  PoliticalOfficeRequirement,
  PoliticalOfficeBenefitType,
@@ -220,6 +235,9 @@ const models = {
  ElectionHistory,
  UndergroundType,
  Underground,
  WeatherType,
  Weather,
  ProductWeatherEffect,
  Room,
  ChatUser,
  ChatRight,
--- a/backend/models/match3/level.js
+++ b/backend/models/match3/level.js
@@ -9,11 +9,7 @@ const Match3Level = sequelize.define('Match3Level', {
  },
  campaignId: {
    type: DataTypes.INTEGER,
-    allowNull: false,
+    allowNull: false
    references: {
      model: 'match3_campaigns',
      key: 'id'
    }
  },
  name: {
    type: DataTypes.STRING(255),
--- a/backend/models/match3/levelTileType.js
+++ b/backend/models/match3/levelTileType.js
@@ -10,19 +10,11 @@ const Match3LevelTileType = sequelize.define('Match3LevelTileType', {
  levelId: {
    type: DataTypes.INTEGER,
    allowNull: false,
    references: {
      model: 'match3_levels',
      key: 'id'
    },
    comment: 'Referenz auf den Level'
  },
  tileTypeId: {
    type: DataTypes.INTEGER,
    allowNull: false,
    references: {
      model: 'match3_tile_types',
      key: 'id'
    },
    comment: 'Referenz auf den Tile-Typ'
  },
  weight: {
--- a/backend/models/minigames/taxiHighscore.js
+++ b/backend/models/minigames/taxiHighscore.js
@@ -9,14 +9,7 @@ const TaxiHighscore = sequelize.define('TaxiHighscore', {
    },
    userId: {
      type: DataTypes.INTEGER,
-      allowNull: true, // Kann null sein, falls User gelöscht wird
+      allowNull: true // Kann null sein, falls User gelöscht wird
      references: {
        model: {
          tableName: 'user',
          schema: 'community'
        },
        key: 'id'
      }
    },
    nickname: {
      type: DataTypes.STRING(100),
@@ -44,13 +37,6 @@ const TaxiHighscore = sequelize.define('TaxiHighscore', {
    mapId: {
      type: DataTypes.INTEGER,
      allowNull: true,
      references: {
        model: {
          tableName: 'taxi_map',
          schema: 'taxi'
        },
        key: 'id'
      },
      comment: 'ID der gespielten Map'
    },
    mapName: {
--- a/backend/models/trigger.js
+++ b/backend/models/trigger.js
@@ -378,10 +378,13 @@ export async function createTriggers() {
            tp.election_id,
            tp.tp_office_type_id,
            tp.tp_election_date,
-            (
+            COALESCE(
-              SELECT json_agg(vr)
+              (
-              FROM votes vr
+                SELECT json_agg(vr)
-              WHERE vr.election_id = tp.election_id
+                FROM votes vr
                WHERE vr.election_id = tp.election_id
              ),
              '[]'::json      -- oder '{}'::json, wenn dir ein Objekt lieber ist
            ),
            NOW() AS created_at,
            NOW() AS updated_at
--- a/backend/models/type/interest_translation.js
+++ b/backend/models/type/interest_translation.js
@@ -13,13 +13,7 @@ const interestTranslation = sequelize.define('interest_translation_type', {
    },
    interestsId: {
        type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
        references: {
            model: Interest,
            key: 'id'
        },
        onUpdate: 'CASCADE',
        onDelete: 'CASCADE'
    }}, {
    tableName: 'interest_translation', 
    schema: 'type',
--- a/backend/models/type/user_param.js
+++ b/backend/models/type/user_param.js
@@ -21,11 +21,7 @@ const UserParamType = sequelize.define('user_param_type', {
    },
    settingsId: {
        type: DataTypes.INTEGER,
-        allowNull: false,
+        allowNull: false
        references: {
            model: 'settings',
            key: 'id'
        }
    },
    orderId: {
        type: DataTypes.INTEGER,
--- a/backend/models/type/user_right.js
+++ b/backend/models/type/user_right.js
@@ -7,7 +7,7 @@ const UserRightType = sequelize.define('user_right_type', {
        allowNull: false
    }
 }, {
-    tableName: 'user_right_type',
+    tableName: 'user_right',
    schema: 'type',
    underscored: true    
 });
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
--- a/backend/package.json
+++ b/backend/package.json
@@ -7,6 +7,7 @@
  "scripts": {
    "start": "node server.js",
    "dev": "NODE_ENV=development node server.js",
    "start-daemon": "node daemonServer.js",
    "sync-db": "node sync-database.js",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
@@ -15,7 +16,7 @@
  "license": "ISC",
  "dependencies": {
    "amqplib": "^0.10.4",
-    "bcrypt": "^5.1.1",
+    "bcryptjs": "^2.4.3",
    "connect-redis": "^7.1.1",
    "cors": "^2.8.5",
    "date-fns": "^4.1.0",
@@ -26,9 +27,9 @@
    "i18n": "^0.15.1",
    "joi": "^17.13.3",
    "jsdom": "^26.1.0",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.0.0",
    "mysql2": "^3.10.3",
-    "nodemailer": "^6.9.14",
+    "nodemailer": "^7.0.11",
    "pg": "^8.12.0",
    "pg-hstore": "^2.3.4",
    "redis": "^4.7.0",
--- a/backend/routers/adminRouter.js
+++ b/backend/routers/adminRouter.js
@@ -18,6 +18,7 @@ router.delete('/chat/rooms/:id', authenticate, adminController.deleteRoom);
 // --- Users Admin ---
 router.get('/users/search', authenticate, adminController.searchUsers);
 router.get('/users/statistics', authenticate, adminController.getUserStatistics);
 router.get('/users/batch', authenticate, adminController.getUsers);
 router.get('/users/:id', authenticate, adminController.getUser);
 router.put('/users/:id', authenticate, adminController.updateUser);
@@ -40,6 +41,14 @@ router.get('/falukant/branches/:falukantUserId', authenticate, adminController.g
 router.put('/falukant/stock/:stockId', authenticate, adminController.updateFalukantStock);
 router.post('/falukant/stock', authenticate, adminController.addFalukantStock);
 router.get('/falukant/stock-types', authenticate, adminController.getFalukantStockTypes);
 router.get('/falukant/regions', authenticate, adminController.getFalukantRegions);
 router.put('/falukant/regions/:id/map', authenticate, adminController.updateFalukantRegionMap);
 router.get('/falukant/region-distances', authenticate, adminController.getRegionDistances);
 router.post('/falukant/region-distances', authenticate, adminController.upsertRegionDistance);
 router.delete('/falukant/region-distances/:id', authenticate, adminController.deleteRegionDistance);
 router.post('/falukant/npcs/create', authenticate, adminController.createNPCs);
 router.get('/falukant/npcs/status/:jobId', authenticate, adminController.getNPCsCreationStatus);
 router.get('/falukant/titles', authenticate, adminController.getTitlesOfNobility);
 // --- Minigames Admin ---
 router.get('/minigames/match3/campaigns', authenticate, adminController.getMatch3Campaigns);
--- a/backend/routers/falukantRouter.js
+++ b/backend/routers/falukantRouter.js
@@ -15,6 +15,7 @@ router.get('/branches/types', falukantController.getBranchTypes);
 router.get('/branches/:branch', falukantController.getBranch);
 router.get('/branches', falukantController.getBranches);
 router.post('/branches', falukantController.createBranch);
 router.post('/branches/upgrade', falukantController.upgradeBranch);
 router.get('/productions', falukantController.getAllProductions);
 router.post('/production', falukantController.createProduction);
 router.get('/production/:branchId', falukantController.getProduction);
@@ -37,6 +38,9 @@ router.get('/director/:branchId', falukantController.getDirectorForBranch);
 router.get('/directors', falukantController.getAllDirectors);
 router.post('/directors', falukantController.updateDirector);
 router.post('/family/acceptmarriageproposal', falukantController.acceptMarriageProposal);
 router.post('/family/set-heir', falukantController.setHeir);
 router.get('/heirs/potential', falukantController.getPotentialHeirs);
 router.post('/heirs/select', falukantController.selectHeir);
 router.get('/family/gifts', falukantController.getGifts);
 router.get('/family/children', falukantController.getChildren);
 router.post('/family/gift', falukantController.sendGift);
@@ -51,6 +55,8 @@ router.post('/houses', falukantController.buyUserHouse);
 router.get('/party/types', falukantController.getPartyTypes);
 router.post('/party', falukantController.createParty);
 router.get('/party', falukantController.getParties);
 router.get('/reputation/actions', falukantController.getReputationActions);
 router.post('/reputation/actions', falukantController.executeReputationAction);
 router.get('/family/notbaptised', falukantController.getNotBaptisedChildren);
 router.post('/church/baptise', falukantController.baptise);
 router.get('/education', falukantController.getEducation);
@@ -69,6 +75,18 @@ router.post('/politics/elections', falukantController.vote);
 router.get('/politics/open', falukantController.getOpenPolitics);
 router.post('/politics/open', falukantController.applyForElections);
 router.get('/cities', falukantController.getRegions);
 router.get('/products/price-in-region', falukantController.getProductPriceInRegion);
 router.get('/products/prices-in-region-batch', falukantController.getProductPricesInRegionBatch);
 router.get('/products/prices-in-cities', falukantController.getProductPricesInCities);
 router.get('/branches/:branchId/taxes', falukantController.getBranchTaxes);
 router.get('/vehicles/types', falukantController.getVehicleTypes);
 router.post('/vehicles', falukantController.buyVehicles);
 router.get('/vehicles', falukantController.getVehicles);
 router.post('/vehicles/:vehicleId/repair', falukantController.repairVehicle);
 router.post('/vehicles/repair-all', falukantController.repairAllVehicles);
 router.post('/transports', falukantController.createTransport);
 router.get('/transports/route', falukantController.getTransportRoute);
 router.get('/transports/branch/:branchId', falukantController.getBranchTransports);
 router.get('/underground/types', falukantController.getUndergroundTypes);
 router.get('/notifications', falukantController.getNotifications);
 router.get('/notifications/all', falukantController.getAllNotifications);
--- a/backend/routers/termineRouter.js
+++ b/backend/routers/termineRouter.js
@@ -0,0 +1,9 @@
 import express from 'express';
 import termineController from '../controllers/termineController.js';
 const router = express.Router();
 router.get('/', termineController.getTermine);
 export default router;
--- a/backend/routers/vocabRouter.js
+++ b/backend/routers/vocabRouter.js
@@ -0,0 +1,27 @@
 import express from 'express';
 import { authenticate } from '../middleware/authMiddleware.js';
 import VocabController from '../controllers/vocabController.js';
 const router = express.Router();
 const vocabController = new VocabController();
 router.use(authenticate);
 router.get('/languages', vocabController.listLanguages);
 router.post('/languages', vocabController.createLanguage);
 router.post('/subscribe', vocabController.subscribe);
 router.get('/languages/:languageId', vocabController.getLanguage);
 // Kapitel
 router.get('/languages/:languageId/chapters', vocabController.listChapters);
 router.post('/languages/:languageId/chapters', vocabController.createChapter);
 router.get('/languages/:languageId/vocabs', vocabController.listLanguageVocabs);
 router.get('/languages/:languageId/search', vocabController.searchVocabs);
 router.get('/chapters/:chapterId', vocabController.getChapter);
 router.get('/chapters/:chapterId/vocabs', vocabController.listChapterVocabs);
 router.post('/chapters/:chapterId/vocabs', vocabController.addVocabToChapter);
 export default router;
--- a/backend/server.js
+++ b/backend/server.js
@@ -1,19 +1,55 @@
 import './config/loadEnv.js'; // .env deterministisch laden
 import http from 'http';
 import https from 'https';
 import fs from 'fs';
 import app from './app.js';
 import { setupWebSocket } from './utils/socket.js';
 import { syncDatabase } from './utils/syncDatabase.js';
-const server = http.createServer(app);
+// HTTP-Server für API (Port 2020, intern, über Apache-Proxy)
 const API_PORT = Number.parseInt(process.env.PORT || '2020', 10);
 const httpServer = http.createServer(app);
 // Socket.io wird nur auf HTTPS-Server bereitgestellt, nicht auf HTTP-Server
 // setupWebSocket(httpServer); // Entfernt: Socket.io nur über HTTPS
-setupWebSocket(server);
+// HTTPS-Server für Socket.io (Port 4443, direkt erreichbar)
 let httpsServer = null;
 const SOCKET_IO_PORT = Number.parseInt(process.env.SOCKET_IO_PORT || '4443', 10);
 const USE_TLS = process.env.SOCKET_IO_TLS === '1';
 const TLS_KEY_PATH = process.env.SOCKET_IO_TLS_KEY_PATH;
 const TLS_CERT_PATH = process.env.SOCKET_IO_TLS_CERT_PATH;
 const TLS_CA_PATH = process.env.SOCKET_IO_TLS_CA_PATH;
 if (USE_TLS && TLS_KEY_PATH && TLS_CERT_PATH) {
  try {
    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,
    }, app);
    setupWebSocket(httpsServer);
    console.log(`[Socket.io] HTTPS-Server für Socket.io konfiguriert auf Port ${SOCKET_IO_PORT}`);
  } catch (err) {
    console.error('[Socket.io] Fehler beim Laden der TLS-Zertifikate:', err.message);
    console.error('[Socket.io] Socket.io wird nicht verfügbar sein');
  }
 } else {
  console.warn('[Socket.io] TLS nicht konfiguriert - Socket.io wird nicht verfügbar sein');
 }
 syncDatabase().then(() => {
-  const port = process.env.PORT || 3001;
+  // API-Server auf Port 2020 (intern, nur localhost)
-  server.listen(port, () => { 
+  httpServer.listen(API_PORT, '127.0.0.1', () => { 
-    console.log('Server is running on port', port);
+    console.log(`[API] HTTP-Server läuft auf localhost:${API_PORT} (intern, über Apache-Proxy)`);
  });
  // Socket.io-Server auf Port 4443 (extern, direkt erreichbar)
  if (httpsServer) {
    httpsServer.listen(SOCKET_IO_PORT, '0.0.0.0', () => {
      console.log(`[Socket.io] HTTPS-Server läuft auf Port ${SOCKET_IO_PORT} (direkt erreichbar)`);
    });
  }
 }).catch(err => {
  console.error('Failed to sync database:', err);
  process.exit(1); 
--- a/backend/services/adminService.js
+++ b/backend/services/adminService.js
@@ -10,7 +10,7 @@ import UserParamType from "../models/type/user_param.js";
 import ContactMessage from "../models/service/contactmessage.js";
 import ContactService from "./ContactService.js";
 import { sendAnswerEmail } from './emailService.js';
-import { Op } from 'sequelize';
+import { Op, Sequelize } from 'sequelize';
 import FalukantUser from "../models/falukant/data/user.js";
 import FalukantCharacter from "../models/falukant/data/character.js";
 import FalukantPredefineFirstname from "../models/falukant/predefine/firstname.js";
@@ -19,9 +19,15 @@ import Branch from "../models/falukant/data/branch.js";
 import FalukantStock from "../models/falukant/data/stock.js";
 import FalukantStockType from "../models/falukant/type/stock.js";
 import RegionData from "../models/falukant/data/region.js";
 import RegionType from "../models/falukant/type/region.js";
 import BranchType from "../models/falukant/type/branch.js";
 import RegionDistance from "../models/falukant/data/region_distance.js";
 import Room from '../models/chat/room.js';
 import UserParam from '../models/community/user_param.js';
 import TitleOfNobility from "../models/falukant/type/title_of_nobility.js";
 import { sequelize } from '../utils/sequelize.js';
 import npcCreationJobService from './npcCreationJobService.js';
 import { v4 as uuidv4 } from 'uuid';
 class AdminService {
    async hasUserAccess(userId, section) {
@@ -298,6 +304,115 @@ class AdminService {
        }
    }
    async getFalukantRegions(userId) {
        if (!(await this.hasUserAccess(userId, 'falukantusers'))) {
            throw new Error('noaccess');
        }
        const regions = await RegionData.findAll({
            attributes: ['id', 'name', 'map'],
            include: [
                {
                    model: RegionType,
                    as: 'regionType',
                    where: { labelTr: 'city' },
                    attributes: ['labelTr'],
                },
            ],
            order: [['name', 'ASC']],
        });
        return regions;
    }
    async getTitlesOfNobility(userId) {
        if (!(await this.hasUserAccess(userId, 'falukantusers'))) {
            throw new Error('noaccess');
        }
        const titles = await TitleOfNobility.findAll({
            order: [['id', 'ASC']],
            attributes: ['id', 'labelTr', 'level']
        });
        return titles;
    }
    async updateFalukantRegionMap(userId, regionId, map) {
        if (!(await this.hasUserAccess(userId, 'falukantusers'))) {
            throw new Error('noaccess');
        }
        const region = await RegionData.findByPk(regionId);
        if (!region) {
            throw new Error('regionNotFound');
        }
        region.map = map || {};
        await region.save();
        return region;
    }
    async getRegionDistances(userId) {
        if (!(await this.hasUserAccess(userId, 'falukantusers'))) {
            throw new Error('noaccess');
        }
        const distances = await RegionDistance.findAll();
        return distances;
    }
    async upsertRegionDistance(userId, { sourceRegionId, targetRegionId, transportMode, distance }) {
        if (!(await this.hasUserAccess(userId, 'falukantusers'))) {
            throw new Error('noaccess');
        }
        if (!sourceRegionId || !targetRegionId || !transportMode) {
            throw new Error('missingParameters');
        }
        const src = await RegionData.findByPk(sourceRegionId);
        const tgt = await RegionData.findByPk(targetRegionId);
        if (!src || !tgt) {
            throw new Error('regionNotFound');
        }
        const mode = String(transportMode);
        const dist = Number(distance);
        if (!Number.isFinite(dist) || dist <= 0) {
            throw new Error('invalidDistance');
        }
        const [record] = await RegionDistance.findOrCreate({
            where: {
                sourceRegionId: src.id,
                targetRegionId: tgt.id,
                transportMode: mode,
            },
            defaults: {
                distance: dist,
            },
        });
        if (record.distance !== dist) {
            record.distance = dist;
            await record.save();
        }
        return record;
    }
    async deleteRegionDistance(userId, id) {
        if (!(await this.hasUserAccess(userId, 'falukantusers'))) {
            throw new Error('noaccess');
        }
        const record = await RegionDistance.findByPk(id);
        if (!record) {
            throw new Error('notfound');
        }
        await record.destroy();
        return { success: true };
    }
    async updateFalukantStock(userId, stockId, quantity) {
        if (!(await this.hasUserAccess(userId, 'falukantusers'))) {
            throw new Error('noaccess');
@@ -441,6 +556,30 @@ class AdminService {
        return { id: user.hashedId, username: user.username, active: user.active, registrationDate: user.registrationDate };
    }
    async getUsersByHashedIds(requestingHashedUserId, targetHashedIds) {
        if (!(await this.hasUserAccess(requestingHashedUserId, 'useradministration'))) {
            throw new Error('noaccess');
        }
        if (!Array.isArray(targetHashedIds) || targetHashedIds.length === 0) {
            return [];
        }
        const users = await User.findAll({
            where: { hashedId: { [Op.in]: targetHashedIds } },
            attributes: ['id', 'hashedId', 'username', 'active', 'registrationDate']
        });
        // Erstelle ein Map für schnellen Zugriff
        const userMap = {};
        users.forEach(user => {
            userMap[user.hashedId] = {
                id: user.hashedId,
                username: user.username,
                active: user.active,
                registrationDate: user.registrationDate
            };
        });
        return userMap;
    }
    async updateUser(requestingHashedUserId, targetHashedId, data) {
        if (!(await this.hasUserAccess(requestingHashedUserId, 'useradministration'))) {
            throw new Error('noaccess');
@@ -961,6 +1100,216 @@ class AdminService {
            ageGroups
        };
    }
    async createNPCs(userId, options) {
        if (!(await this.hasUserAccess(userId, 'falukantusers'))) {
            throw new Error('noaccess');
        }
        const {
            regionIds, // Array von Region-IDs oder null für alle Städte
            minAge, // Mindestalter in Jahren
            maxAge, // Maximalalter in Jahren
            minTitleId, // Minimale Title-ID
            maxTitleId, // Maximale Title-ID
            count // Anzahl der zu erstellenden NPCs
        } = options;
        // Berechne zuerst die Gesamtanzahl, um den Job richtig zu initialisieren
        // WICHTIG: Nur Städte (city) verwenden, keine anderen Region-Typen
        let targetRegions = [];
        if (regionIds && regionIds.length > 0) {
            targetRegions = await RegionData.findAll({
                where: {
                    id: { [Op.in]: regionIds }
                },
                include: [{
                    model: RegionType,
                    as: 'regionType',
                    where: { labelTr: 'city' },
                    required: true // INNER JOIN - nur Regionen mit city-Type
                }]
            });
        } else {
            targetRegions = await RegionData.findAll({
                include: [{
                    model: RegionType,
                    as: 'regionType',
                    where: { labelTr: 'city' },
                    required: true // INNER JOIN - nur Regionen mit city-Type
                }]
            });
        }
        // Zusätzliche Sicherheit: Filtere explizit nach city-Type
        targetRegions = targetRegions.filter(region => {
            return region.regionType && region.regionType.labelTr === 'city';
        });
        console.log(`[createNPCs] Found ${targetRegions.length} cities (filtered)`);
        if (targetRegions.length > 0) {
            console.log(`[createNPCs] City names: ${targetRegions.map(r => r.name).join(', ')}`);
        }
        if (targetRegions.length === 0) {
            throw new Error('No cities found');
        }
        const titles = await TitleOfNobility.findAll({
            where: {
                id: {
                    [Op.between]: [minTitleId, maxTitleId]
                }
            },
            order: [['id', 'ASC']]
        });
        if (titles.length === 0) {
            throw new Error('No titles found in specified range');
        }
        const totalNPCs = targetRegions.length * titles.length * count;
        // Erstelle Job-ID
        const jobId = uuidv4();
        npcCreationJobService.createJob(userId, jobId);
        npcCreationJobService.updateProgress(jobId, 0, totalNPCs);
        npcCreationJobService.setStatus(jobId, 'running');
        // Starte asynchronen Prozess
        this._createNPCsAsync(jobId, userId, {
            regionIds,
            minAge,
            maxAge,
            minTitleId,
            maxTitleId,
            count,
            targetRegions,
            titles
        }).catch(error => {
            console.error('Error in _createNPCsAsync:', error);
            const errorMessage = error?.message || error?.toString() || 'Unknown error occurred';
            npcCreationJobService.setError(jobId, errorMessage);
        });
        return { jobId };
    }
    async _createNPCsAsync(jobId, userId, options) {
        try {
            const {
                regionIds,
                minAge,
                maxAge,
                minTitleId,
                maxTitleId,
                count,
                targetRegions,
                titles
            } = options;
            const genders = ['male', 'female'];
            const createdNPCs = [];
            const totalNPCs = targetRegions.length * titles.length * count;
            let currentNPC = 0;
            console.log(`[NPC Creation Job ${jobId}] Starting creation of ${totalNPCs} NPCs`);
            // Erstelle NPCs in einer Transaktion
            // Für jede Stadt-Titel-Kombination wird die angegebene Anzahl erstellt
            await sequelize.transaction(async (t) => {
            for (const region of targetRegions) {
                for (const title of titles) {
                    // Erstelle 'count' NPCs für diese Stadt-Titel-Kombination
                    for (let i = 0; i < count; i++) {
                        // Zufälliges Geschlecht
                        const gender = genders[Math.floor(Math.random() * genders.length)];
                        // Zufälliger Vorname
                        const firstName = await FalukantPredefineFirstname.findAll({ 
                            where: { gender },
                            order: sequelize.fn('RANDOM'),
                            limit: 1,
                            transaction: t
                        });
                        if (firstName.length === 0) {
                            throw new Error(`No first names found for gender: ${gender}`);
                        }
                        const fnObj = firstName[0];
                        // Zufälliger Nachname
                        const lastName = await FalukantPredefineLastname.findAll({
                            order: sequelize.fn('RANDOM'),
                            limit: 1,
                            transaction: t
                        });
                        if (lastName.length === 0) {
                            throw new Error('No last names found');
                        }
                        const lnObj = lastName[0];
                        // Zufälliges Alter (in Jahren, wird in Tage umgerechnet)
                        const randomAge = Math.floor(Math.random() * (maxAge - minAge + 1)) + minAge;
                        const birthdate = new Date();
                        birthdate.setDate(birthdate.getDate() - randomAge); // 5 Tage = 5 Jahre alt
                        // Erstelle den NPC-Charakter (ohne userId = NPC)
                        const npc = await FalukantCharacter.create({
                            userId: null, // Wichtig: null = NPC
                            regionId: region.id,
                            firstName: fnObj.id,
                            lastName: lnObj.id,
                            gender: gender,
                            birthdate: birthdate,
                            titleOfNobility: title.id,
                            health: 100,
                            moodId: 1
                        }, { transaction: t });
                        createdNPCs.push({
                            id: npc.id,
                            firstName: fnObj.name,
                            lastName: lnObj.name,
                            gender: gender,
                            age: randomAge,
                            region: region.name,
                            title: title.labelTr
                        });
                        // Update Progress
                        currentNPC++;
                        npcCreationJobService.updateProgress(jobId, currentNPC, totalNPCs);
                    }
                }
            }
            });
            console.log(`[NPC Creation Job ${jobId}] Completed: ${createdNPCs.length} NPCs created`);
            // Job abschließen
            npcCreationJobService.setResult(jobId, {
                success: true,
                count: createdNPCs.length,
                countPerCombination: count,
                totalCombinations: targetRegions.length * titles.length,
                npcs: createdNPCs
            });
        } catch (error) {
            console.error(`[NPC Creation Job ${jobId}] Error:`, error);
            throw error; // Re-throw für den catch-Block in createNPCs
        }
    }
    getNPCsCreationStatus(userId, jobId) {
        const job = npcCreationJobService.getJob(jobId);
        if (!job) {
            throw new Error('Job not found');
        }
        if (job.userId !== userId) {
            throw new Error('Access denied');
        }
        return job;
    }
 }
 export default new AdminService();
--- a/backend/services/authService.js
+++ b/backend/services/authService.js
@@ -1,4 +1,4 @@
-import bcrypt from 'bcrypt';
+import bcrypt from 'bcryptjs';
 import crypto from 'crypto';
 import { v4 as uuidv4 } from 'uuid';
 import User from '../models/community/user.js';
--- a/backend/services/falukantService.js
+++ b/backend/services/falukantService.js
--- a/backend/services/npcCreationJobService.js
+++ b/backend/services/npcCreationJobService.js
@@ -0,0 +1,86 @@
 // In-Memory Job-Status-Service für NPC-Erstellung
 // Für Produktion sollte man Redis oder eine Datenbank verwenden
 const jobs = new Map();
 class NPCCreationJobService {
    createJob(userId, jobId) {
        jobs.set(jobId, {
            userId,
            status: 'pending',
            progress: 0,
            total: 0,
            current: 0,
            startTime: Date.now(),
            estimatedTimeRemaining: null,
            error: null,
            result: null
        });
        return jobId;
    }
    getJob(jobId) {
        return jobs.get(jobId);
    }
    updateProgress(jobId, current, total) {
        const job = jobs.get(jobId);
        if (!job) return;
        job.current = current;
        job.total = total;
        job.progress = total > 0 ? Math.round((current / total) * 100) : 0;
        // Berechne verbleibende Zeit basierend auf bisheriger Geschwindigkeit
        if (current > 0 && job.progress < 100) {
            const elapsed = Date.now() - job.startTime;
            const avgTimePerItem = elapsed / current;
            const remaining = total - current;
            job.estimatedTimeRemaining = Math.round(remaining * avgTimePerItem);
        }
    }
    setStatus(jobId, status) {
        const job = jobs.get(jobId);
        if (!job) return;
        job.status = status;
    }
    setError(jobId, error) {
        const job = jobs.get(jobId);
        if (!job) return;
        job.status = 'error';
        job.error = error;
    }
    setResult(jobId, result) {
        const job = jobs.get(jobId);
        if (!job) return;
        job.status = 'completed';
        job.result = result;
        job.progress = 100;
        job.estimatedTimeRemaining = 0;
    }
    deleteJob(jobId) {
        jobs.delete(jobId);
    }
    // Cleanup alte Jobs (älter als 1 Stunde)
    cleanupOldJobs() {
        const oneHourAgo = Date.now() - (60 * 60 * 1000);
        for (const [jobId, job] of jobs.entries()) {
            if (job.startTime < oneHourAgo) {
                jobs.delete(jobId);
            }
        }
    }
 }
 // Cleanup alle 10 Minuten
 setInterval(() => {
    const service = new NPCCreationJobService();
    service.cleanupOldJobs();
 }, 10 * 60 * 1000);
 export default new NPCCreationJobService();
--- a/backend/services/settingsService.js
+++ b/backend/services/settingsService.js
@@ -328,7 +328,7 @@ class SettingsService extends BaseService{
                }
                // Verify old password
-                const bcrypt = await import('bcrypt');
+                const bcrypt = await import('bcryptjs');
                const match = await bcrypt.compare(settings.oldpassword, user.password);
                if (!match) {
                    throw new Error('Old password is incorrect');
--- a/backend/services/vocabService.js
+++ b/backend/services/vocabService.js
@@ -0,0 +1,532 @@
 import crypto from 'crypto';
 import User from '../models/community/user.js';
 import { sequelize } from '../utils/sequelize.js';
 import { notifyUser } from '../utils/socket.js';
 export default class VocabService {
  async _getUserByHashedId(hashedUserId) {
    const user = await User.findOne({ where: { hashedId: hashedUserId } });
    if (!user) {
      const err = new Error('User not found');
      err.status = 404;
      throw err;
    }
    return user;
  }
  _normalizeLexeme(text) {
    return String(text || '')
      .trim()
      .toLowerCase()
      .replace(/\s+/g, ' ');
  }
  async _getLanguageAccess(userId, languageId) {
    const id = Number.parseInt(languageId, 10);
    if (!Number.isFinite(id)) {
      const err = new Error('Invalid language id');
      err.status = 400;
      throw err;
    }
    const [row] = await sequelize.query(
      `
      SELECT
        l.id,
        (l.owner_user_id = :userId) AS "isOwner"
      FROM community.vocab_language l
      WHERE l.id = :languageId
        AND (
          l.owner_user_id = :userId
          OR EXISTS (
            SELECT 1
            FROM community.vocab_language_subscription s
            WHERE s.user_id = :userId AND s.language_id = l.id
          )
        )
      LIMIT 1
      `,
      {
        replacements: { userId, languageId: id },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    if (!row) {
      const err = new Error('Language not found or no access');
      err.status = 404;
      throw err;
    }
    return row;
  }
  async _getChapterAccess(userId, chapterId) {
    const id = Number.parseInt(chapterId, 10);
    if (!Number.isFinite(id)) {
      const err = new Error('Invalid chapter id');
      err.status = 400;
      throw err;
    }
    const [row] = await sequelize.query(
      `
      SELECT
        c.id,
        c.language_id AS "languageId",
        c.title,
        (l.owner_user_id = :userId) AS "isOwner"
      FROM community.vocab_chapter c
      JOIN community.vocab_language l ON l.id = c.language_id
      WHERE c.id = :chapterId
        AND (
          l.owner_user_id = :userId
          OR EXISTS (
            SELECT 1
            FROM community.vocab_language_subscription s
            WHERE s.user_id = :userId AND s.language_id = l.id
          )
        )
      LIMIT 1
      `,
      {
        replacements: { userId, chapterId: id },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    if (!row) {
      const err = new Error('Chapter not found or no access');
      err.status = 404;
      throw err;
    }
    return row;
  }
  async listLanguages(hashedUserId) {
    const user = await this._getUserByHashedId(hashedUserId);
    const rows = await sequelize.query(
      `
      SELECT
        l.id,
        l.name,
        l.share_code AS "shareCode",
        TRUE AS "isOwner"
      FROM community.vocab_language l
      WHERE l.owner_user_id = :userId
      UNION ALL
      SELECT
        l.id,
        l.name,
        NULL::text AS "shareCode",
        FALSE AS "isOwner"
      FROM community.vocab_language_subscription s
      JOIN community.vocab_language l ON l.id = s.language_id
      WHERE s.user_id = :userId
      ORDER BY name ASC
      `,
      {
        replacements: { userId: user.id },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    return { languages: rows };
  }
  async listLanguagesForMenu(userId) {
    // userId ist die numerische community.user.id
    const rows = await sequelize.query(
      `
      SELECT l.id, l.name
      FROM community.vocab_language l
      WHERE l.owner_user_id = :userId
      UNION
      SELECT l.id, l.name
      FROM community.vocab_language_subscription s
      JOIN community.vocab_language l ON l.id = s.language_id
      WHERE s.user_id = :userId
      ORDER BY name ASC
      `,
      {
        replacements: { userId },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    return rows;
  }
  async createLanguage(hashedUserId, { name }) {
    const user = await this._getUserByHashedId(hashedUserId);
    const cleanName = typeof name === 'string' ? name.trim() : '';
    if (!cleanName || cleanName.length < 2 || cleanName.length > 60) {
      const err = new Error('Invalid language name');
      err.status = 400;
      throw err;
    }
    // 16 hex chars => ausreichend kurz, gut teilbar
    const shareCode = crypto.randomBytes(8).toString('hex');
    const [created] = await sequelize.query(
      `
      INSERT INTO community.vocab_language (owner_user_id, name, share_code)
      VALUES (:ownerUserId, :name, :shareCode)
      RETURNING id, name, share_code AS "shareCode"
      `,
      {
        replacements: { ownerUserId: user.id, name: cleanName, shareCode },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    // Menü dynamisch nachladen (bei allen offenen Tabs/Clients)
    try {
      notifyUser(user.hashedId, 'reloadmenu', {});
    } catch (_) {}
    return created;
  }
  async subscribeByShareCode(hashedUserId, { shareCode }) {
    const user = await this._getUserByHashedId(hashedUserId);
    const code = typeof shareCode === 'string' ? shareCode.trim() : '';
    if (!code || code.length < 6 || code.length > 128) {
      const err = new Error('Invalid share code');
      err.status = 400;
      throw err;
    }
    const [lang] = await sequelize.query(
      `
      SELECT id, owner_user_id AS "ownerUserId", name
      FROM community.vocab_language
      WHERE share_code = :shareCode
      LIMIT 1
      `,
      {
        replacements: { shareCode: code },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    if (!lang) {
      const err = new Error('Language not found');
      err.status = 404;
      throw err;
    }
    // Owner braucht kein Abo
    if (lang.ownerUserId === user.id) {
      return { subscribed: false, message: 'Already owner', languageId: lang.id };
    }
    await sequelize.query(
      `
      INSERT INTO community.vocab_language_subscription (user_id, language_id)
      VALUES (:userId, :languageId)
      ON CONFLICT (user_id, language_id) DO NOTHING
      `,
      {
        replacements: { userId: user.id, languageId: lang.id },
        type: sequelize.QueryTypes.INSERT,
      }
    );
    try {
      notifyUser(user.hashedId, 'reloadmenu', {});
    } catch (_) {}
    return { subscribed: true, languageId: lang.id, name: lang.name };
  }
  async getLanguage(hashedUserId, languageId) {
    const user = await this._getUserByHashedId(hashedUserId);
    const id = Number.parseInt(languageId, 10);
    if (!Number.isFinite(id)) {
      const err = new Error('Invalid language id');
      err.status = 400;
      throw err;
    }
    const [row] = await sequelize.query(
      `
      SELECT
        l.id,
        l.name,
        CASE WHEN l.owner_user_id = :userId THEN l.share_code ELSE NULL END AS "shareCode",
        (l.owner_user_id = :userId) AS "isOwner"
      FROM community.vocab_language l
      WHERE l.id = :languageId
        AND (
          l.owner_user_id = :userId
          OR EXISTS (
            SELECT 1
            FROM community.vocab_language_subscription s
            WHERE s.user_id = :userId AND s.language_id = l.id
          )
        )
      LIMIT 1
      `,
      {
        replacements: { userId: user.id, languageId: id },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    if (!row) {
      const err = new Error('Language not found or no access');
      err.status = 404;
      throw err;
    }
    return row;
  }
  async listChapters(hashedUserId, languageId) {
    const user = await this._getUserByHashedId(hashedUserId);
    const access = await this._getLanguageAccess(user.id, languageId);
    const rows = await sequelize.query(
      `
      SELECT
        c.id,
        c.title,
        c.created_at AS "createdAt",
        (
          SELECT COUNT(*)
          FROM community.vocab_chapter_lexeme cl
          WHERE cl.chapter_id = c.id
        )::int AS "vocabCount"
      FROM community.vocab_chapter c
      WHERE c.language_id = :languageId
      ORDER BY c.title ASC
      `,
      {
        replacements: { languageId: access.id },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    return { chapters: rows, isOwner: access.isOwner };
  }
  async createChapter(hashedUserId, languageId, { title }) {
    const user = await this._getUserByHashedId(hashedUserId);
    const access = await this._getLanguageAccess(user.id, languageId);
    if (!access.isOwner) {
      const err = new Error('Only owner can create chapters');
      err.status = 403;
      throw err;
    }
    const cleanTitle = typeof title === 'string' ? title.trim() : '';
    if (!cleanTitle || cleanTitle.length < 2 || cleanTitle.length > 80) {
      const err = new Error('Invalid chapter title');
      err.status = 400;
      throw err;
    }
    const [created] = await sequelize.query(
      `
      INSERT INTO community.vocab_chapter (language_id, title, created_by_user_id)
      VALUES (:languageId, :title, :userId)
      RETURNING id, title, created_at AS "createdAt"
      `,
      {
        replacements: { languageId: access.id, title: cleanTitle, userId: user.id },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    return created;
  }
  async getChapter(hashedUserId, chapterId) {
    const user = await this._getUserByHashedId(hashedUserId);
    const ch = await this._getChapterAccess(user.id, chapterId);
    return { id: ch.id, languageId: ch.languageId, title: ch.title, isOwner: ch.isOwner };
  }
  async listChapterVocabs(hashedUserId, chapterId) {
    const user = await this._getUserByHashedId(hashedUserId);
    const ch = await this._getChapterAccess(user.id, chapterId);
    const rows = await sequelize.query(
      `
      SELECT
        cl.id,
        l1.text AS "learning",
        l2.text AS "reference",
        cl.created_at AS "createdAt"
      FROM community.vocab_chapter_lexeme cl
      JOIN community.vocab_lexeme l1 ON l1.id = cl.learning_lexeme_id
      JOIN community.vocab_lexeme l2 ON l2.id = cl.reference_lexeme_id
      WHERE cl.chapter_id = :chapterId
      ORDER BY l1.text ASC, l2.text ASC
      `,
      {
        replacements: { chapterId: ch.id },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    return { chapter: { id: ch.id, title: ch.title, languageId: ch.languageId, isOwner: ch.isOwner }, vocabs: rows };
  }
  async listLanguageVocabs(hashedUserId, languageId) {
    const user = await this._getUserByHashedId(hashedUserId);
    const access = await this._getLanguageAccess(user.id, languageId);
    const rows = await sequelize.query(
      `
      SELECT
        cl.id,
        c.id AS "chapterId",
        c.title AS "chapterTitle",
        l1.text AS "learning",
        l2.text AS "reference",
        cl.created_at AS "createdAt"
      FROM community.vocab_chapter_lexeme cl
      JOIN community.vocab_chapter c ON c.id = cl.chapter_id
      JOIN community.vocab_lexeme l1 ON l1.id = cl.learning_lexeme_id
      JOIN community.vocab_lexeme l2 ON l2.id = cl.reference_lexeme_id
      WHERE c.language_id = :languageId
      ORDER BY c.title ASC, l1.text ASC, l2.text ASC
      `,
      {
        replacements: { languageId: access.id },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    return { languageId: access.id, isOwner: access.isOwner, vocabs: rows };
  }
  async searchVocabs(hashedUserId, languageId, { q = '', learning = '', motherTongue = '' } = {}) {
    const user = await this._getUserByHashedId(hashedUserId);
    const access = await this._getLanguageAccess(user.id, languageId);
    const query = typeof q === 'string' ? q.trim() : '';
    // Abwärtskompatibel: falls alte Parameter genutzt werden, zusammenfassen
    const learningTerm = typeof learning === 'string' ? learning.trim() : '';
    const motherTerm = typeof motherTongue === 'string' ? motherTongue.trim() : '';
    const effective = query || learningTerm || motherTerm;
    if (!effective) {
      const err = new Error('Missing search term');
      err.status = 400;
      throw err;
    }
    const like = `%${effective}%`;
    const rows = await sequelize.query(
      `
      SELECT
        cl.id,
        c.id AS "chapterId",
        c.title AS "chapterTitle",
        l1.text AS "learning",
        l2.text AS "motherTongue"
      FROM community.vocab_chapter_lexeme cl
      JOIN community.vocab_chapter c ON c.id = cl.chapter_id
      JOIN community.vocab_lexeme l1 ON l1.id = cl.learning_lexeme_id
      JOIN community.vocab_lexeme l2 ON l2.id = cl.reference_lexeme_id
      WHERE c.language_id = :languageId
        AND (l1.text ILIKE :like OR l2.text ILIKE :like)
      ORDER BY l2.text ASC, l1.text ASC, c.title ASC
      LIMIT 200
      `,
      {
        replacements: {
          languageId: access.id,
          like,
        },
        type: sequelize.QueryTypes.SELECT,
      }
    );
    return { languageId: access.id, results: rows };
  }
  async addVocabToChapter(hashedUserId, chapterId, { learning, reference }) {
    const user = await this._getUserByHashedId(hashedUserId);
    const ch = await this._getChapterAccess(user.id, chapterId);
    if (!ch.isOwner) {
      const err = new Error('Only owner can add vocab');
      err.status = 403;
      throw err;
    }
    const learningText = typeof learning === 'string' ? learning.trim() : '';
    const referenceText = typeof reference === 'string' ? reference.trim() : '';
    if (!learningText || !referenceText) {
      const err = new Error('Invalid vocab');
      err.status = 400;
      throw err;
    }
    const learningNorm = this._normalizeLexeme(learningText);
    const referenceNorm = this._normalizeLexeme(referenceText);
    // Transaktion: Lexeme upserten + Zuordnung setzen
    return await sequelize.transaction(async (t) => {
      const [learningLex] = await sequelize.query(
        `
        INSERT INTO community.vocab_lexeme (language_id, text, normalized, created_by_user_id)
        VALUES (:languageId, :text, :normalized, :userId)
        ON CONFLICT (language_id, normalized) DO UPDATE SET text = EXCLUDED.text
        RETURNING id
        `,
        {
          replacements: { languageId: ch.languageId, text: learningText, normalized: learningNorm, userId: user.id },
          type: sequelize.QueryTypes.SELECT,
          transaction: t,
        }
      );
      const [referenceLex] = await sequelize.query(
        `
        INSERT INTO community.vocab_lexeme (language_id, text, normalized, created_by_user_id)
        VALUES (:languageId, :text, :normalized, :userId)
        ON CONFLICT (language_id, normalized) DO UPDATE SET text = EXCLUDED.text
        RETURNING id
        `,
        {
          replacements: { languageId: ch.languageId, text: referenceText, normalized: referenceNorm, userId: user.id },
          type: sequelize.QueryTypes.SELECT,
          transaction: t,
        }
      );
      const [mapping] = await sequelize.query(
        `
        INSERT INTO community.vocab_chapter_lexeme (chapter_id, learning_lexeme_id, reference_lexeme_id, created_by_user_id)
        VALUES (:chapterId, :learningId, :referenceId, :userId)
        ON CONFLICT (chapter_id, learning_lexeme_id, reference_lexeme_id) DO NOTHING
        RETURNING id
        `,
        {
          replacements: {
            chapterId: ch.id,
            learningId: learningLex.id,
            referenceId: referenceLex.id,
            userId: user.id,
          },
          type: sequelize.QueryTypes.SELECT,
          transaction: t,
        }
      );
      return { created: Boolean(mapping?.id) };
    });
  }
 }
--- a/backend/sql/add_character_name_to_notification.sql
+++ b/backend/sql/add_character_name_to_notification.sql
@@ -0,0 +1,88 @@
 -- Migration script: add_character_name_to_notification.sql
 -- Fügt character_name und character_id zur falukant_log.notification Tabelle hinzu,
 -- legt Index an, erzeugt die Helper-Funktion und den Trigger.
 -- Idempotent und mit Down-Schritten zum Entfernen.
 BEGIN;
 -- 1) Spalten anlegen
 ALTER TABLE IF EXISTS falukant_log.notification
  ADD COLUMN IF NOT EXISTS character_name text;
 ALTER TABLE IF EXISTS falukant_log.notification
  ADD COLUMN IF NOT EXISTS character_id integer;
 -- 2) Index (idempotent)
 CREATE INDEX IF NOT EXISTS idx_notification_character_id
  ON falukant_log.notification (character_id);
 -- 3) Trigger-Funktion anlegen (idempotent)
 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
  -- prüfen, ob Zielspalte existiert
  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
    RETURN NEW;
  END IF;
  IF NEW.character_name IS NOT NULL THEN
    RETURN NEW;
  END IF;
  v_char_id := NEW.character_id;
  IF v_char_id IS NULL AND NEW.user_id IS NOT NULL THEN
    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
    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;
 -- 4) Trigger anlegen (BEFORE INSERT)
 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();
 COMMIT;
 -- Down / Rollback (falls benötigt):
 -- Die folgenden Statements entfernen Trigger, Funktion, Index und Spalten.
 -- Hinweis: Ausführbar separat; zur Anwendung einfach die folgenden Zeilen verwenden:
 -- BEGIN; DROP TRIGGER IF EXISTS trg_populate_notification_character_name ON falukant_log.notification; DROP FUNCTION IF EXISTS falukant_log.populate_notification_character_name(); DROP INDEX IF EXISTS falukant_log.idx_notification_character_id; ALTER TABLE IF EXISTS falukant_log.notification DROP COLUMN IF EXISTS character_name; ALTER TABLE IF EXISTS falukant_log.notification DROP COLUMN IF EXISTS character_id; COMMIT;
--- a/backend/sql/add_product_quality_to_stock.sql
+++ b/backend/sql/add_product_quality_to_stock.sql
@@ -0,0 +1,11 @@
 -- Migration script: add_product_quality_to_stock.sql
 -- Fügt die Spalte product_quality zur Tabelle falukant_data.stock hinzu (nullable, idempotent)
 BEGIN;
 ALTER TABLE IF EXISTS falukant_data.stock
  ADD COLUMN IF NOT EXISTS product_quality integer;
 COMMIT;
 -- Ende
--- a/backend/sql/add_weather_type_to_production.sql
+++ b/backend/sql/add_weather_type_to_production.sql
@@ -0,0 +1,38 @@
 -- Migration script: add_weather_type_to_production.sql
 -- Legt die Spalte weather_type_id in falukant_data.production an,
 -- fügt optional einen Foreign Key zu falukant_type.weather(id) hinzu
 -- und erstellt einen Index. Idempotent (mehrfaches Ausführen ist unproblematisch).
 BEGIN;
 -- 1) Spalte anlegen (nullable, idempotent)
 ALTER TABLE IF EXISTS falukant_data.production
  ADD COLUMN IF NOT EXISTS weather_type_id integer;
 -- 2) Fremdschlüssel nur hinzufügen, falls noch kein FK für diese Spalte existiert
 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$$;
 -- 3) Index (Postgres: CREATE INDEX IF NOT EXISTS)
 CREATE INDEX IF NOT EXISTS idx_production_weather_type_id
  ON falukant_data.production (weather_type_id);
 COMMIT;
 -- Ende
--- a/backend/sql/cleanup_orphaned_user_param_visibility.sql
+++ b/backend/sql/cleanup_orphaned_user_param_visibility.sql
@@ -0,0 +1,23 @@
 -- Cleanup script: Entfernt verwaiste Einträge aus user_param_visibility
 -- Diese Einträge verweisen auf nicht existierende user_param Einträge
 -- und verhindern das Hinzufügen des Foreign Key Constraints
 BEGIN;
 -- Lösche alle user_param_visibility Einträge, deren param_id nicht mehr in user_param existiert
 DELETE FROM community.user_param_visibility
 WHERE param_id NOT IN (
    SELECT id FROM community.user_param
 );
 -- Zeige an, wie viele Einträge gelöscht wurden
 DO $$
 DECLARE
    deleted_count INTEGER;
 BEGIN
    GET DIAGNOSTICS deleted_count = ROW_COUNT;
    RAISE NOTICE 'Gelöschte verwaiste Einträge: %', deleted_count;
 END $$;
 COMMIT;
--- a/backend/sql/update_product_sell_costs.sql
+++ b/backend/sql/update_product_sell_costs.sql
@@ -0,0 +1,69 @@
 -- Backup original sell_cost values (just in case)
 -- Run this once: will add a column original_sell_cost and copy existing sell_cost into it
 ALTER TABLE IF EXISTS falukant_type.product
  ADD COLUMN IF NOT EXISTS original_sell_cost numeric;
 UPDATE falukant_type.product
 SET sell_cost = sell_cost * ((6 * 7 / 100) + 100);
 -- Compute min and max cumulative tax across all regions
 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(MIN(total),0) AS min_total, COALESCE(MAX(total),0) AS max_total FROM totals
 )
 SELECT * FROM mm;
 -- Choose one of the following update blocks to run:
 -- 1) MIN-STRATEGY: increase sell_cost so that taxes at the minimal cumulative tax have no effect
 -- (this will set sell_cost = CEIL(original_sell_cost * (1 / (1 - min_total/100))))
 -- BEGIN MIN-STRATEGY
 -- WITH mm AS (
 --   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
 --   )
 --   SELECT COALESCE(MIN(total),0) AS min_total FROM totals
 -- )
 -- UPDATE falukant_type.product
 -- SET sell_cost = CEIL(original_sell_cost * (CASE WHEN (1 - (SELECT min_total FROM mm)/100) <= 0 THEN 1 ELSE (1 / (1 - (SELECT min_total FROM mm)/100)) END));
 -- END MIN-STRATEGY
 -- 2) MAX-STRATEGY: increase sell_cost so that taxes at the maximal cumulative tax have no effect
 -- (this will set sell_cost = CEIL(original_sell_cost * (1 / (1 - max_total/100))))
 -- BEGIN MAX-STRATEGY
 -- WITH mm AS (
 --   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
 --   )
 --   SELECT COALESCE(MAX(total),0) AS max_total FROM totals
 -- )
 -- UPDATE falukant_type.product
 -- SET sell_cost = CEIL(original_sell_cost * (CASE WHEN (1 - (SELECT max_total FROM mm)/100) <= 0 THEN 1 ELSE (1 / (1 - (SELECT max_total FROM mm)/100)) END));
 -- END MAX-STRATEGY
 -- Notes:
 -- 1) Uncomment exactly one strategy block (MIN or MAX) and run the script.
 -- 2) The script creates `original_sell_cost` as a backup; keep it for safety.
 -- 3) CEIL is used to avoid undercompensating due to rounding. If you prefer ROUND use ROUND(...).
 -- 4) Test on a staging DB first.
--- a/backend/utils/falukant/initializeFalukantPredefines.js
+++ b/backend/utils/falukant/initializeFalukantPredefines.js
@@ -228,10 +228,29 @@ async function initializeFalukantStockTypes() {
 }
 async function initializeFalukantProducts() {
-    await ProductType.bulkCreate([
+    // compute min/max cumulative tax across regions
    const taxRows = await 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
        )
        SELECT COALESCE(MIN(total),0) AS min_total, COALESCE(MAX(total),0) AS max_total FROM totals
    `, { type: sequelize.QueryTypes.SELECT });
    const minTax = parseFloat(taxRows?.[0]?.min_total) || 0;
    const maxTax = parseFloat(taxRows?.[0]?.max_total) || 0;
    const factorMin = (minTax >= 100) ? 1 : (1 / (1 - minTax / 100));
    const factorMax = (maxTax >= 100) ? 1 : (1 / (1 - maxTax / 100));
    const baseProducts = [
        { labelTr: 'wheat', category: 1, productionTime: 2, sellCost: 7 },
        { labelTr: 'grain', category: 1, productionTime: 2, sellCost: 7 },
-        { labelTr: 'carrot', category: 1, productionTime: 1, sellCost: 46},
+        { labelTr: 'carrot', category: 1, productionTime: 1, sellCost: 5},
        { labelTr: 'fish', category: 1, productionTime: 2, sellCost: 7 },
        { labelTr: 'meat', category: 1, productionTime: 2, sellCost: 7 },
        { labelTr: 'leather', category: 1, productionTime: 2, sellCost: 7 },
@@ -261,7 +280,11 @@ async function initializeFalukantProducts() {
        { labelTr: 'shield', category: 4, productionTime: 5, sellCost: 60 },
        { labelTr: 'horse', category: 5, productionTime: 5, sellCost: 60 },
        { labelTr: 'ox', category: 5, productionTime: 5, sellCost: 60 },
-    ], { 
+    ];
    const productsToInsert = baseProducts;
    await ProductType.bulkCreate(productsToInsert, {
        ignoreDuplicates: true,
    });
 }
--- a/backend/utils/falukant/initializeFalukantTypes.js
+++ b/backend/utils/falukant/initializeFalukantTypes.js
@@ -12,11 +12,17 @@ import TitleOfNobility from "../../models/falukant/type/title_of_nobility.js";
 import PartyType from "../../models/falukant/type/party.js";
 import MusicType from "../../models/falukant/type/music.js";
 import BanquetteType from "../../models/falukant/type/banquette.js";
 import ReputationActionType from "../../models/falukant/type/reputation_action.js";
 import VehicleType from "../../models/falukant/type/vehicle.js";
 import LearnRecipient from "../../models/falukant/type/learn_recipient.js";
 import PoliticalOfficeType from "../../models/falukant/type/political_office_type.js";
 import PoliticalOfficeBenefitType from "../../models/falukant/type/political_office_benefit_type.js";
 import PoliticalOfficePrerequisite from "../../models/falukant/predefine/political_office_prerequisite.js";
 import UndergroundType from "../../models/falukant/type/underground.js";
 import WeatherType from "../../models/falukant/type/weather.js";
 import Weather from "../../models/falukant/data/weather.js";
 import ProductWeatherEffect from "../../models/falukant/type/product_weather_effect.js";
 import ProductType from "../../models/falukant/type/product.js";
 // Debug-Flag: Nur wenn DEBUG_FALUKANT=1 gesetzt ist, werden ausführliche Logs ausgegeben.
 const falukantDebug = process.env.DEBUG_FALUKANT === '1';
@@ -36,13 +42,67 @@ export const initializeFalukantTypes = async () => {
    await initializeFalukantPartyTypes();
    await initializeFalukantMusicTypes();
    await initializeFalukantBanquetteTypes();
    await initializeFalukantReputationActions();
    await initializeLearnerTypes();
    await initializePoliticalOfficeBenefitTypes();
    await initializePoliticalOfficeTypes();
    await initializePoliticalOfficePrerequisites();
    await initializeUndergroundTypes();
    await initializeVehicleTypes();
    await initializeFalukantWeatherTypes();
    await initializeFalukantWeathers();
    await initializeFalukantProductWeatherEffects();
 };
 const reputationActions = [
    // Günstig / häufig: schnelle Abnutzung
    { tr: "soup_kitchen", cost: 500, baseGain: 2, decayFactor: 0.85, minGain: 0, decayWindowDays: 7 },
    // Mittel: gesellschaftlich anerkannt
    { tr: "library_donation", cost: 5000, baseGain: 4, decayFactor: 0.88, minGain: 0, decayWindowDays: 7 },
    { tr: "scholarships", cost: 10000, baseGain: 5, decayFactor: 0.87, minGain: 0, decayWindowDays: 7 },
    { tr: "church_hospice", cost: 12000, baseGain: 5, decayFactor: 0.87, minGain: 0, decayWindowDays: 7 },
    { tr: "school_funding", cost: 15000, baseGain: 6, decayFactor: 0.88, minGain: 0, decayWindowDays: 7 },
    // Großprojekte: teurer, langsamerer Rufverfall
    { tr: "orphanage_build", cost: 20000, baseGain: 7, decayFactor: 0.90, minGain: 0, decayWindowDays: 7 },
    { tr: "bridge_build", cost: 25000, baseGain: 7, decayFactor: 0.90, minGain: 0, decayWindowDays: 7 },
    { tr: "hospital_donation", cost: 30000, baseGain: 8, decayFactor: 0.90, minGain: 0, decayWindowDays: 7 },
    { tr: "patronage", cost: 40000, baseGain: 9, decayFactor: 0.91, minGain: 0, decayWindowDays: 7 },
    { tr: "statue_build", cost: 50000, baseGain: 10, decayFactor: 0.92, minGain: 0, decayWindowDays: 7 },
    { tr: "well_build", cost: 8000, baseGain: 4, decayFactor: 0.87, minGain: 0, decayWindowDays: 7 },
 ];
 async function initializeFalukantReputationActions() {
    // robustes Upsert ohne FK/Constraints-Ärger:
    // - finde existierende nach tr
    // - update bei Änderungen
    // - create wenn fehlt
    const existing = await ReputationActionType.findAll({ attributes: ['id', 'tr', 'cost', 'baseGain', 'decayFactor', 'minGain'] });
    const existingByTr = new Map(existing.map(e => [e.tr, e]));
    for (const a of reputationActions) {
        const found = existingByTr.get(a.tr);
        if (!found) {
            await ReputationActionType.create(a);
            continue;
        }
        const needsUpdate =
            Number(found.cost) !== Number(a.cost) ||
            Number(found.baseGain) !== Number(a.baseGain) ||
            Number(found.decayFactor) !== Number(a.decayFactor) ||
            Number(found.minGain) !== Number(a.minGain) ||
            Number(found.decayWindowDays || 7) !== Number(a.decayWindowDays || 7);
        if (needsUpdate) {
            await found.update({
                cost: a.cost,
                baseGain: a.baseGain,
                decayFactor: a.decayFactor,
                minGain: a.minGain,
                decayWindowDays: a.decayWindowDays ?? 7,
            });
        }
    }
 }
 const regionTypes = [];
 const regionTypeTrs = [
    "country",
@@ -273,6 +333,17 @@ const learnerTypes = [
    { tr: 'director', },
 ];
 const vehicleTypes = [
    // build times (in minutes): 60, 90, 180, 300, 720, 120, 1440
    { tr: 'cargo_cart',          name: 'Lastkarren',             cost: 100,  capacity: 20,  transportMode: 'land',  speed: 1, buildTimeMinutes: 60 },
    { tr: 'ox_cart',             name: 'Ochsenkarren',           cost: 200,  capacity: 50,  transportMode: 'land',  speed: 2, buildTimeMinutes: 90 },
    { tr: 'small_carriage',      name: 'kleine Pferdekutsche',   cost: 300,  capacity: 35,  transportMode: 'land',  speed: 3, buildTimeMinutes: 180 },
    { tr: 'large_carriage',      name: 'große Pferdekutsche',    cost: 1000, capacity: 100, transportMode: 'land',  speed: 3, buildTimeMinutes: 300 },
    { tr: 'four_horse_carriage', name: 'Vierspänner',            cost: 5000, capacity: 200, transportMode: 'land',  speed: 4, buildTimeMinutes: 720 },
    { tr: 'raft',                name: 'Floß',                   cost: 100,  capacity: 25,  transportMode: 'water', speed: 1, buildTimeMinutes: 120 },
    { tr: 'sailing_ship',        name: 'Segelschiff',            cost: 500,  capacity: 200, transportMode: 'water', speed: 3, buildTimeMinutes: 1440 },
 ];
 const politicalOfficeBenefitTypes = [
    { tr: 'salary' },
    { tr: 'reputation' },
@@ -282,6 +353,7 @@ const politicalOfficeBenefitTypes = [
    { tr: 'tax_exemption' },
    { tr: 'guard_protection' },
    { tr: 'court_immunity' },
    { tr: 'set_regionl_tax' },
 ];
 const politicalOffices = [
@@ -883,6 +955,31 @@ export const initializeLearnerTypes = async () => {
    }
 };
 export const initializeVehicleTypes = async () => {
    for (const v of vehicleTypes) {
        const existing = await VehicleType.findOne({ where: { tr: v.tr } });
        if (!existing) {
            await VehicleType.create({
                tr: v.tr,
                cost: v.cost,
                capacity: v.capacity,
                transportMode: v.transportMode,
                speed: v.speed,
                buildTimeMinutes: v.buildTimeMinutes,
            });
        } else {
            // ensure new fields like cost/buildTime are updated if missing
            await existing.update({
                cost: v.cost,
                capacity: v.capacity,
                transportMode: v.transportMode,
                speed: v.speed,
                buildTimeMinutes: v.buildTimeMinutes,
            });
        }
    }
 };
 export const initializePoliticalOfficeBenefitTypes = async () => {
    for (const benefitType of politicalOfficeBenefitTypes) {
        await PoliticalOfficeBenefitType.findOrCreate({
@@ -972,3 +1069,445 @@ export const initializeFalukantTitlesOfNobility = async () => {
        throw error;
    }
 };
 const weatherTypes = [
    { tr: "sunny" },
    { tr: "cloudy" },
    { tr: "rainy" },
    { tr: "stormy" },
    { tr: "snowy" },
    { tr: "foggy" },
    { tr: "windy" },
    { tr: "clear" }
 ];
 export const initializeFalukantWeatherTypes = async () => {
    try {
        for (const weatherType of weatherTypes) {
            await WeatherType.findOrCreate({
                where: { tr: weatherType.tr },
            });
        }
        console.log(`[Falukant] Wettertypen initialisiert: ${weatherTypes.length} Typen`);
    } catch (error) {
        console.error('❌ Fehler beim Initialisieren der Falukant-Wettertypen:', error);
        throw error;
    }
 };
 export const initializeFalukantWeathers = async () => {
    try {
        // Hole alle Städte (Regions vom Typ "city")
        const cityRegionType = await RegionType.findOne({ where: { labelTr: 'city' } });
        if (!cityRegionType) {
            console.warn('[Falukant] Kein RegionType "city" gefunden, überspringe Wetter-Initialisierung');
            return;
        }
        const cities = await RegionData.findAll({
            where: { regionTypeId: cityRegionType.id },
            attributes: ['id', 'name']
        });
        // Hole alle Wettertypen
        const allWeatherTypes = await WeatherType.findAll();
        if (allWeatherTypes.length === 0) {
            console.warn('[Falukant] Keine Wettertypen gefunden, überspringe Wetter-Initialisierung');
            return;
        }
        // Weise jeder Stadt zufällig ein Wetter zu
        for (const city of cities) {
            const randomWeatherType = allWeatherTypes[Math.floor(Math.random() * allWeatherTypes.length)];
            await Weather.findOrCreate({
                where: { regionId: city.id },
                defaults: {
                    weatherTypeId: randomWeatherType.id
                }
            });
        }
        console.log(`[Falukant] Wetter für ${cities.length} Städte initialisiert`);
    } catch (error) {
        console.error('❌ Fehler beim Initialisieren der Falukant-Wetter:', error);
        throw error;
    }
 };
 export const initializeFalukantProductWeatherEffects = async () => {
    try {
        // Hole alle Produkte und Wettertypen
        const products = await ProductType.findAll();
        const weatherTypes = await WeatherType.findAll();
        if (products.length === 0 || weatherTypes.length === 0) {
            console.warn('[Falukant] Keine Produkte oder Wettertypen gefunden, überspringe Produkt-Wetter-Effekte');
            return;
        }
        // Erstelle Map für schnellen Zugriff
        const productMap = new Map(products.map(p => [p.labelTr, p.id]));
        const weatherMap = new Map(weatherTypes.map(w => [w.tr, w.id]));
        // Definiere Effekte für jedes Produkt-Wetter-Paar
        // Format: { productLabel: { weatherTr: effectValue } }
        // effectValue: -2 (sehr negativ), -1 (negativ), 0 (neutral), 1 (positiv), 2 (sehr positiv)
        const effects = {
            // Landwirtschaftliche Produkte
            wheat: {
                sunny: 1,      // Gutes Wachstum
                cloudy: 0,
                rainy: 2,      // Wasser ist essentiell
                stormy: -1,    // Kann Ernte beschädigen
                snowy: -2,     // Kein Wachstum
                foggy: 0,
                windy: 0,
                clear: 1
            },
            grain: {
                sunny: 1,
                cloudy: 0,
                rainy: 2,
                stormy: -1,
                snowy: -2,
                foggy: 0,
                windy: 0,
                clear: 1
            },
            carrot: {
                sunny: 1,
                cloudy: 0,
                rainy: 2,
                stormy: -1,
                snowy: -2,
                foggy: 0,
                windy: 0,
                clear: 1
            },
            fish: {
                sunny: 0,
                cloudy: 0,
                rainy: 0,
                stormy: -2,    // Gefährlich zu fischen
                snowy: -1,     // Kaltes Wasser
                foggy: -1,     // Schlechte Sicht
                windy: -1,     // Schwierig zu fischen
                clear: 1
            },
            meat: {
                sunny: -1,     // Kann verderben
                cloudy: 0,
                rainy: -1,     // Feucht
                stormy: -2,
                snowy: 1,      // Kühlt
                foggy: 0,
                windy: 0,
                clear: 0
            },
            leather: {
                sunny: -1,     // Kann austrocknen
                cloudy: 0,
                rainy: -1,     // Feucht
                stormy: -2,
                snowy: 1,      // Kühlt
                foggy: 0,
                windy: 0,
                clear: 0
            },
            wood: {
                sunny: 1,      // Trocknet gut
                cloudy: 0,
                rainy: -1,     // Feucht
                stormy: -2,    // Kann beschädigt werden
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 1
            },
            stone: {
                sunny: 0,
                cloudy: 0,
                rainy: 0,
                stormy: 0,
                snowy: 0,
                foggy: 0,
                windy: 0,
                clear: 0
            },
            milk: {
                sunny: -1,     // Kann sauer werden
                cloudy: 0,
                rainy: 0,
                stormy: -1,
                snowy: 1,      // Kühlt
                foggy: 0,
                windy: 0,
                clear: 0
            },
            cheese: {
                sunny: -1,
                cloudy: 0,
                rainy: -1,     // Feucht
                stormy: -1,
                snowy: 1,      // Kühlt
                foggy: 0,
                windy: 0,
                clear: 0
            },
            bread: {
                sunny: 0,
                cloudy: 0,
                rainy: -1,     // Feucht
                stormy: -1,
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 0
            },
            beer: {
                sunny: 0,
                cloudy: 0,
                rainy: 0,
                stormy: 0,
                snowy: 1,      // Kühlt
                foggy: 0,
                windy: 0,
                clear: 0
            },
            iron: {
                sunny: 0,
                cloudy: 0,
                rainy: -1,     // Rost
                stormy: -2,     // Rost
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 0
            },
            copper: {
                sunny: 0,
                cloudy: 0,
                rainy: -1,     // Oxidation
                stormy: -2,
                snowy: 0,
                foggy: -1,
                windy: 0,
                clear: 0
            },
            spices: {
                sunny: 0,
                cloudy: 0,
                rainy: -1,     // Feucht
                stormy: -1,
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 0
            },
            salt: {
                sunny: 1,      // Trocknet gut
                cloudy: 0,
                rainy: -2,     // Löst sich auf
                stormy: -2,
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 1
            },
            sugar: {
                sunny: 0,
                cloudy: 0,
                rainy: -2,     // Löst sich auf
                stormy: -2,
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 0
            },
            vinegar: {
                sunny: 1,      // Heißes Wetter fördert Gärung
                cloudy: 0,
                rainy: 0,
                stormy: 0,
                snowy: -1,      // Kaltes Wetter hemmt Gärung
                foggy: 0,
                windy: 0,
                clear: 1       // Heißes Wetter fördert Gärung
            },
            cotton: {
                sunny: 1,      // Trocknet gut
                cloudy: 0,
                rainy: -1,     // Feucht
                stormy: -2,
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 1
            },
            wine: {
                sunny: 0,
                cloudy: 0,
                rainy: 0,
                stormy: 0,
                snowy: 1,      // Kühlt
                foggy: 0,
                windy: 0,
                clear: 0
            },
            gold: {
                sunny: 0,
                cloudy: 0,
                rainy: 0,
                stormy: 0,
                snowy: 0,
                foggy: 0,
                windy: 0,
                clear: 0
            },
            diamond: {
                sunny: 0,
                cloudy: 0,
                rainy: 0,
                stormy: 0,
                snowy: 0,
                foggy: 0,
                windy: 0,
                clear: 0
            },
            furniture: {
                sunny: 0,
                cloudy: 0,
                rainy: -1,     // Feucht
                stormy: -2,
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 0
            },
            clothing: {
                sunny: 0,
                cloudy: 0,
                rainy: -1,     // Feucht
                stormy: -2,
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 0
            },
            jewelry: {
                sunny: 0,
                cloudy: 0,
                rainy: -2,     // Kann beschädigt werden
                stormy: -2,
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 0
            },
            painting: {
                sunny: -1,     // Kann verblassen
                cloudy: 0,
                rainy: -2,     // Feucht
                stormy: -2,
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: -1
            },
            book: {
                sunny: -1,     // Kann verblassen
                cloudy: 0,
                rainy: -2,     // Feucht
                stormy: -2,
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: -1
            },
            weapon: {
                sunny: 0,
                cloudy: 0,
                rainy: -1,     // Rost
                stormy: -2,     // Rost
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 0
            },
            armor: {
                sunny: 0,
                cloudy: 0,
                rainy: -1,     // Rost
                stormy: -2,     // Rost
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 0
            },
            shield: {
                sunny: 0,
                cloudy: 0,
                rainy: -1,     // Rost
                stormy: -2,     // Rost
                snowy: 0,
                foggy: -1,     // Feucht
                windy: 0,
                clear: 0
            },
            horse: {
                sunny: 1,      // Gutes Wetter
                cloudy: 0,
                rainy: -1,     // Nass
                stormy: -2,     // Angst
                snowy: -1,     // Kalt
                foggy: 0,
                windy: 0,
                clear: 1
            },
            ox: {
                sunny: 1,      // Gutes Wetter
                cloudy: 0,
                rainy: -1,     // Nass
                stormy: -2,     // Angst
                snowy: -1,     // Kalt
                foggy: 0,
                windy: 0,
                clear: 1
            }
        };
        // Erstelle alle Produkt-Wetter-Effekte
        const effectEntries = [];
        for (const [productLabel, weatherEffects] of Object.entries(effects)) {
            const productId = productMap.get(productLabel);
            if (!productId) {
                console.warn(`[Falukant] Produkt "${productLabel}" nicht gefunden, überspringe`);
                continue;
            }
            for (const [weatherTr, effectValue] of Object.entries(weatherEffects)) {
                const weatherTypeId = weatherMap.get(weatherTr);
                if (!weatherTypeId) {
                    console.warn(`[Falukant] Wettertyp "${weatherTr}" nicht gefunden, überspringe`);
                    continue;
                }
                effectEntries.push({
                    productId,
                    weatherTypeId,
                    qualityEffect: effectValue
                });
            }
        }
        // Bulk insert mit ignoreDuplicates
        await ProductWeatherEffect.bulkCreate(effectEntries, {
            ignoreDuplicates: true
        });
        console.log(`[Falukant] Produkt-Wetter-Effekte initialisiert: ${effectEntries.length} Einträge`);
    } catch (error) {
        console.error('❌ Fehler beim Initialisieren der Produkt-Wetter-Effekte:', error);
        throw error;
    }
 };
--- a/backend/utils/sequelize.js
+++ b/backend/utils/sequelize.js
@@ -3,6 +3,25 @@ import dotenv from 'dotenv';
 dotenv.config();
 // Optionales Performance-Logging (aktivierbar per ENV)
 // - SQL_BENCHMARK=1: Sequelize liefert Query-Timing (ms) an logger
 // - SQL_SLOW_MS=200: Logge nur Queries ab dieser Dauer (wenn SQL_LOG_ALL nicht gesetzt)
 // - SQL_LOG_ALL=1: Logge alle Queries (auch ohne benchmark)
 const SQL_BENCHMARK = process.env.SQL_BENCHMARK === '1';
 const SQL_LOG_ALL = process.env.SQL_LOG_ALL === '1';
 const SQL_SLOW_MS = Number.parseInt(process.env.SQL_SLOW_MS || '200', 10);
 const sqlLogger = (sql, timing) => {
    // Sequelize ruft logging(sql) oder logging(sql, timing) abhängig von benchmark auf.
    if (!SQL_BENCHMARK) {
        if (SQL_LOG_ALL) console.log(sql);
        return;
    }
    const ms = typeof timing === 'number' ? timing : 0;
    if (SQL_LOG_ALL || ms >= SQL_SLOW_MS) {
        console.log(`🛢️  SQL ${ms}ms: ${sql}`);
    }
 };
 // Validiere Umgebungsvariablen
 const dbName = process.env.DB_NAME;
 const dbUser = process.env.DB_USER;
@@ -26,6 +45,8 @@ const sequelize = new Sequelize(dbName, dbUser, dbPass, {
        timestamps: false,
        underscored: true  // WICHTIG: Alle Datenbankfelder im snake_case Format
    },
    benchmark: SQL_BENCHMARK,
    logging: sqlLogger,
 });
 const createSchemas = async () => {
@@ -45,6 +66,16 @@ const createSchemas = async () => {
 const initializeDatabase = async () => {
    await createSchemas();
    // Aktiviere die pgcrypto Erweiterung für die digest() Funktion
    try {
        await sequelize.query('CREATE EXTENSION IF NOT EXISTS pgcrypto;');
        console.log('✅ pgcrypto Erweiterung aktiviert');
    } catch (error) {
        console.warn('⚠️  Konnte pgcrypto Erweiterung nicht aktivieren:', error.message);
        // Fortfahren, da die Erweiterung möglicherweise bereits aktiviert ist
    }
    // Modelle nur laden, aber an dieser Stelle NICHT syncen.
    // Das Syncing (inkl. alter: true bei Bedarf) wird anschließend zentral
    // über syncModelsWithUpdates()/syncModelsAlways gesteuert.
@@ -95,7 +126,8 @@ const syncModelsWithUpdates = async (models) => {
        if (needsUpdate) {
            console.log('🔄 Schema-Updates nötig - verwende alter: true');
            for (const model of Object.values(models)) { 
-                await model.sync({ alter: true, force: false });
+                // constraints: false verhindert, dass Sequelize Foreign Keys automatisch erstellt
                await model.sync({ alter: true, force: false, constraints: false });
            }
            console.log('✅ Schema-Updates abgeschlossen');
        } else {
@@ -363,12 +395,13 @@ const getExpectedDefaultValue = (defaultValue) => {
 const updateSchema = async (models) => {
    console.log('🔄 Aktualisiere Datenbankschema...');
    for (const model of Object.values(models)) { 
-        await model.sync({ alter: true, force: false });
+        // constraints: false verhindert, dass Sequelize Foreign Keys automatisch erstellt
        await model.sync({ alter: true, force: false, constraints: false });
    }
    console.log('✅ Datenbankschema aktualisiert');
 };
-async function updateFalukantUserMoney(falukantUserId, moneyChange, activity, changedBy = null) {
+async function updateFalukantUserMoney(falukantUserId, moneyChange, activity, changedBy = null, transaction = null) {
    try {
        const result = await sequelize.query(
            `SELECT falukant_data.update_money(
@@ -385,6 +418,7 @@ async function updateFalukantUserMoney(falukantUserId, moneyChange, activity, ch
                    changedBy,
                },
                type: sequelize.QueryTypes.SELECT,
                transaction: transaction || undefined,
            }
        );
        return { 
@@ -407,7 +441,310 @@ const syncModelsAlways = async (models) => {
    try {
        for (const model of Object.values(models)) {
-            await model.sync({ alter: true, force: false });
+            // Temporarily remove VIRTUAL fields before sync to prevent sync errors
            const originalAttributes = model.rawAttributes;
            const virtualFields = {};
            // Find and temporarily remove VIRTUAL fields
            // Check multiple ways to identify VIRTUAL fields
            for (const [key, attr] of Object.entries(originalAttributes)) {
                // Check if it's a VIRTUAL field by checking the type
                let isVirtual = false;
                if (attr.type) {
                    // Method 1: Check if type key is VIRTUAL (most reliable)
                    if (attr.type.key === 'VIRTUAL') {
                        isVirtual = true;
                    }
                    // Method 2: Direct comparison with DataTypes.VIRTUAL
                    else if (attr.type === DataTypes.VIRTUAL) {
                        isVirtual = true;
                    }
                    // Method 3: Check toString representation
                    else if (typeof attr.type.toString === 'function') {
                        const typeStr = attr.type.toString();
                        if (typeStr === 'VIRTUAL' || typeStr.includes('VIRTUAL')) {
                            isVirtual = true;
                        }
                    }
                    // Method 4: Check constructor name
                    else if (attr.type.constructor && attr.type.constructor.name === 'VIRTUAL') {
                        isVirtual = true;
                    }
                }
                // Also check if field has a getter but no setter and no field mapping (common pattern for VIRTUAL fields)
                // But only if it doesn't have a 'field' property, which means it's not mapped to a database column
                if (!isVirtual && attr.get && !attr.set && !attr.field) {
                    // This might be a VIRTUAL field, but be careful not to remove real fields
                    // Only remove if we're certain it's VIRTUAL
                }
                if (isVirtual) {
                    virtualFields[key] = attr;
                    delete model.rawAttributes[key];
                    console.log(`  ⚠️  Temporarily removed VIRTUAL field: ${key} from model ${model.name}`);
                }
            }
            // Special handling for Notification model: ensure characterName VIRTUAL field is removed
            // This is a workaround for Sequelize bug where it confuses characterName (VIRTUAL) with character_name (STRING)
            if (model.name === 'Notification' && model.rawAttributes.characterName) {
                if (!virtualFields.characterName) {
                    virtualFields.characterName = model.rawAttributes.characterName;
                    delete model.rawAttributes.characterName;
                    console.log(`  ⚠️  Explicitly removed VIRTUAL field: characterName from Notification model`);
                }
            }
            // constraints: false wird von Sequelize ignoriert wenn Associations vorhanden sind
            // Wir müssen die Associations temporär entfernen, um Foreign Keys zu verhindern
            const originalAssociations = model.associations ? { ...model.associations } : {};
            const associationKeys = Object.keys(originalAssociations);
            try {
                // Entferne temporär alle Associations, damit Sequelize keine Foreign Keys erstellt
                // Dies muss innerhalb des try Blocks sein, damit die Wiederherstellung im finally Block garantiert ist
                if (associationKeys.length > 0) {
                    console.log(`  ⚠️  Temporarily removing ${associationKeys.length} associations from ${model.name} to prevent FK creation`);
                    // Lösche alle Associations temporär
                    for (const key of associationKeys) {
                        delete model.associations[key];
                    }
                }
                // Entferne bestehende Foreign Keys vor dem Sync, damit Sequelize sie nicht aktualisiert
                try {
                    const tableName = model.tableName;
                    // Schema kann eine Funktion sein, daher prüfen wir model.options.schema direkt
                    const schema = model.options?.schema || 'public';
                    console.log(`  🔍 Checking for foreign keys in ${schema}.${tableName}...`);
                    const foreignKeys = await sequelize.query(`
                        SELECT tc.constraint_name
                        FROM information_schema.table_constraints AS tc
                        WHERE tc.constraint_type = 'FOREIGN KEY'
                        AND tc.table_name = :tableName
                        AND tc.table_schema = :schema
                    `, {
                        replacements: { tableName, schema },
                        type: sequelize.QueryTypes.SELECT
                    });
                    if (foreignKeys && foreignKeys.length > 0) {
                        console.log(`  ⚠️  Found ${foreignKeys.length} existing foreign keys:`, foreignKeys.map(fk => fk.constraint_name).join(', '));
                        console.log(`  ⚠️  Removing ${foreignKeys.length} existing foreign keys from ${model.name} (schema: ${schema}) before sync`);
                        for (const fk of foreignKeys) {
                            console.log(`  🗑️  Dropping constraint: ${fk.constraint_name}`);
                            await sequelize.query(`
                                ALTER TABLE "${schema}"."${tableName}" 
                                DROP CONSTRAINT IF EXISTS "${fk.constraint_name}" CASCADE
                            `);
                        }
                        console.log(`  ✅ All foreign keys removed for ${model.name}`);
                    } else {
                        console.log(`  ✅ No foreign keys found for ${model.name}`);
                    }
                } catch (fkError) {
                    console.warn(`  ⚠️  Could not remove foreign keys for ${model.name}:`, fkError.message);
                    console.warn(`  ⚠️  Error details:`, fkError);
                }
                console.log(`  🔄 Syncing model ${model.name} with constraints: false`);
                try {
                    // Versuche doppelte pg_description Einträge vor dem Sync zu bereinigen
                    // Hinweis: Benötigt Superuser-Rechte oder spezielle Berechtigungen
                    try {
                        const tableName = model.tableName;
                        const schema = model.options?.schema || 'public';
                        // Verwende direkte Parameter-Einsetzung, da DO $$ keine Parameterbindung unterstützt
                        // Die Parameter sind sicher, da sie von Sequelize-Modell-Eigenschaften kommen
                        await sequelize.query(`
                            DELETE FROM pg_catalog.pg_description d1
                            WHERE d1.objoid IN (
                                SELECT c.oid
                                FROM pg_catalog.pg_class c
                                JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
                                WHERE c.relname = '${tableName.replace(/'/g, "''")}'
                                AND n.nspname = '${schema.replace(/'/g, "''")}'
                            )
                            AND EXISTS (
                                SELECT 1
                                FROM pg_catalog.pg_description d2
                                WHERE d2.objoid = d1.objoid
                                AND d2.objsubid = d1.objsubid
                                AND d2.ctid < d1.ctid
                            )
                        `);
                    } catch (descError) {
                        // Ignoriere Berechtigungsfehler - das ist normal, wenn der Benutzer keine Superuser-Rechte hat
                        if (descError.message && descError.message.includes('Berechtigung')) {
                            console.log(`  ℹ️  Cannot clean up duplicate pg_description entries (requires superuser privileges): ${model.name}`);
                        } else {
                            console.warn(`  ⚠️  Could not clean up duplicate pg_description entries for ${model.name}:`, descError.message);
                        }
                    }
                    await model.sync({ alter: true, force: false, constraints: false });
                } catch (syncError) {
                    // Wenn Sequelize einen "mehr als eine Zeile" Fehler hat, überspringe das Model
                    // Dies kann durch doppelte pg_description Einträge oder mehrere Tabellen mit demselben Namen verursacht werden
                    if (syncError.message && (syncError.message.includes('mehr als eine Zeile') || syncError.message.includes('more than one row'))) {
                        const tableName = model.tableName;
                        const schema = model.options?.schema || 'public';
                        console.error(`  ❌ Cannot sync ${model.name} (${schema}.${tableName}) due to Sequelize describeTable error`);
                        console.error(`  ❌ This is likely caused by multiple tables with the same name in different schemas`);
                        console.error(`  ❌ or duplicate pg_description entries (requires superuser to fix)`);
                        console.error(`  ⚠️  Skipping sync for ${model.name} - Schema is likely already correct`);
                        // Überspringe dieses Model und fahre mit dem nächsten fort
                        continue;
                    }
                    // Wenn eine referenzierte Tabelle noch nicht existiert, erstelle die Tabelle ohne Foreign Key
                    else if (syncError.message && (syncError.message.includes('existiert nicht') || syncError.message.includes('does not exist') || syncError.message.includes('Relation'))) {
                        const tableName = model.tableName;
                        const schema = model.options?.schema || 'public';
                        console.warn(`  ⚠️  Cannot create ${model.name} (${schema}.${tableName}) with Foreign Key - referenced table does not exist yet`);
                        console.warn(`  ⚠️  Attempting to create table without Foreign Key constraint...`);
                        try {
                            // Prüfe, ob die Tabelle bereits existiert
                            const [tableExists] = await sequelize.query(`
                                SELECT EXISTS (
                                    SELECT 1 FROM information_schema.tables 
                                    WHERE table_schema = :schema 
                                    AND table_name = :tableName
                                ) as exists
                            `, {
                                replacements: { schema, tableName },
                                type: sequelize.QueryTypes.SELECT
                            });
                            if (tableExists && tableExists.exists) {
                                console.log(`  ℹ️  Table ${schema}.${tableName} already exists, skipping creation`);
                                continue;
                            }
                            // Erstelle die Tabelle manuell ohne Foreign Key
                            // Verwende queryInterface.createTable mit den Attributen, aber ohne Foreign Keys
                            const queryInterface = sequelize.getQueryInterface();
                            const attributes = {};
                            // Kopiere alle Attribute aus dem Model, aber entferne references
                            for (const [key, attr] of Object.entries(model.rawAttributes)) {
                                attributes[key] = { ...attr };
                                // Entferne references, damit kein Foreign Key erstellt wird
                                if (attributes[key].references) {
                                    delete attributes[key].references;
                                }
                            }
                            // Erstelle die Tabelle mit queryInterface.createTable ohne Foreign Keys
                            await queryInterface.createTable(tableName, attributes, { 
                                schema,
                                // Stelle sicher, dass keine Foreign Keys erstellt werden
                                charset: model.options?.charset,
                                collate: model.options?.collate
                            });
                            console.log(`  ✅ Table ${schema}.${tableName} created successfully without Foreign Key`);
                        } catch (createError) {
                            console.error(`  ❌ Failed to create table ${schema}.${tableName} without Foreign Key:`, createError.message);
                            console.error(`  ⚠️  Skipping ${model.name} - will retry after dependencies are created`);
                            // Überspringe dieses Model und fahre mit dem nächsten fort
                            continue;
                        }
                    }
                    // Wenn Sequelize einen Foreign Key Constraint Fehler hat, entferne verwaiste Einträge oder überspringe das Model
                    else if (syncError.name === 'SequelizeForeignKeyConstraintError' || (syncError.message && (syncError.message.includes('FOREIGN KEY') || syncError.message.includes('Fremdschlüssel')))) {
                        const tableName = model.tableName;
                        const schema = model.options?.schema || 'public';
                        console.error(`  ❌ Cannot sync ${model.name} (${schema}.${tableName}) due to Foreign Key Constraint Error`);
                        console.error(`  ❌ Detail: ${syncError.parent?.detail || syncError.message}`);
                        console.error(`  ⚠️  This usually means there are orphaned records. Cleanup should have removed them.`);
                        console.error(`  ⚠️  Skipping sync for ${model.name} - please check and fix orphaned records manually`);
                        // Überspringe dieses Model und fahre mit dem nächsten fort
                        continue;
                    }
                    // Wenn Sequelize versucht, Foreign Keys zu erstellen, entferne sie nach dem Fehler
                    else if (syncError.message && syncError.message.includes('REFERENCES')) {
                        console.log(`  ⚠️  Sequelize tried to create FK despite constraints: false, removing any created FKs...`);
                        try {
                            const tableName = model.tableName;
                            const schema = model.options?.schema || 'public';
                            const foreignKeys = await sequelize.query(`
                                SELECT tc.constraint_name
                                FROM information_schema.table_constraints AS tc
                                WHERE tc.constraint_type = 'FOREIGN KEY'
                                AND tc.table_name = :tableName
                                AND tc.table_schema = :schema
                            `, {
                                replacements: { tableName, schema },
                                type: sequelize.QueryTypes.SELECT
                            });
                            if (foreignKeys && foreignKeys.length > 0) {
                                for (const fk of foreignKeys) {
                                    await sequelize.query(`
                                        ALTER TABLE "${schema}"."${tableName}" 
                                        DROP CONSTRAINT IF EXISTS "${fk.constraint_name}" CASCADE
                                    `);
                                }
                            }
                            // Versuche Sync erneut ohne Foreign Keys
                            console.log(`  🔄 Retrying sync without foreign keys...`);
                            await model.sync({ alter: true, force: false, constraints: false });
                        } catch (retryError) {
                            console.error(`  ❌ Retry failed:`, retryError.message);
                            console.error(`  ❌ Original sync error:`, syncError.message);
                            // Kombiniere beide Fehler für besseres Debugging
                            const combinedError = new Error(`Sync failed: ${syncError.message}. Retry also failed: ${retryError.message}`);
                            combinedError.originalError = syncError;
                            combinedError.retryError = retryError;
                            throw combinedError;
                        }
                    } else {
                        throw syncError;
                    }
                }
                // Entferne alle Foreign Keys, die Sequelize möglicherweise trotzdem erstellt hat
                try {
                    const tableName = model.tableName;
                    const schema = model.options?.schema || 'public';
                    const foreignKeys = await sequelize.query(`
                        SELECT tc.constraint_name
                        FROM information_schema.table_constraints AS tc
                        WHERE tc.constraint_type = 'FOREIGN KEY'
                        AND tc.table_name = :tableName
                        AND tc.table_schema = :schema
                    `, {
                        replacements: { tableName, schema },
                        type: sequelize.QueryTypes.SELECT
                    });
                    if (foreignKeys && foreignKeys.length > 0) {
                        console.log(`  ⚠️  Sequelize created ${foreignKeys.length} foreign keys despite constraints: false, removing them...`);
                        for (const fk of foreignKeys) {
                            await sequelize.query(`
                                ALTER TABLE "${schema}"."${tableName}" 
                                DROP CONSTRAINT IF EXISTS "${fk.constraint_name}" CASCADE
                            `);
                        }
                    }
                } catch (fkError) {
                    console.warn(`  ⚠️  Could not check/remove foreign keys after sync:`, fkError.message);
                }
            } finally {
                // Stelle die Associations wieder her (IMMER, auch bei Fehlern)
                if (associationKeys.length > 0) {
                    console.log(`  ✅ Restoring ${associationKeys.length} associations for ${model.name}`);
                    model.associations = originalAssociations;
                }
                // Restore VIRTUAL fields after sync
                for (const [key, attr] of Object.entries(virtualFields)) {
                    model.rawAttributes[key] = attr;
                }
            }
        }
        console.log('✅ Schema-Updates für alle Models abgeschlossen');
    } catch (error) {
--- a/backend/utils/syncDatabase.js
+++ b/backend/utils/syncDatabase.js
@@ -33,6 +33,123 @@ const syncDatabase = async () => {
        console.log("Initializing database schemas...");
        await initializeDatabase();  
        // Vokabeltrainer: Tabellen sicherstellen (auch ohne manuell ausgeführte Migrations)
        // Hintergrund: In Produktion sind Schema-Updates deaktiviert, und Migrations werden nicht automatisch ausgeführt.
        // Damit API/Menu nicht mit "relation does not exist" (42P01) scheitert, legen wir die Tabellen idempotent an.
        console.log("Ensuring Vocab-Trainer tables exist...");
        try {
            await 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)
                );
                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)
                );
                CREATE INDEX IF NOT EXISTS vocab_language_owner_idx
                    ON community.vocab_language(owner_user_id);
                CREATE INDEX IF NOT EXISTS vocab_language_subscription_user_idx
                    ON community.vocab_language_subscription(user_id);
                CREATE INDEX IF NOT EXISTS vocab_language_subscription_language_idx
                    ON community.vocab_language_subscription(language_id);
                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
                );
                CREATE INDEX IF NOT EXISTS vocab_chapter_language_idx
                    ON community.vocab_chapter(language_id);
                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)
                );
                CREATE INDEX IF NOT EXISTS vocab_lexeme_language_idx
                    ON community.vocab_lexeme(language_id);
                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)
                );
                CREATE INDEX IF NOT EXISTS vocab_chlex_chapter_idx
                    ON community.vocab_chapter_lexeme(chapter_id);
                CREATE INDEX IF NOT EXISTS vocab_chlex_learning_idx
                    ON community.vocab_chapter_lexeme(learning_lexeme_id);
                CREATE INDEX IF NOT EXISTS vocab_chlex_reference_idx
                    ON community.vocab_chapter_lexeme(reference_lexeme_id);
            `);
            console.log("✅ Vocab-Trainer Tabellen sind vorhanden.");
        } catch (e) {
            console.warn('⚠️  Konnte Vocab-Trainer Tabellen nicht sicherstellen:', e?.message || e);
        }
        // Vorab: Stelle kritische Spalten sicher, damit Index-Erstellung nicht fehlschlägt
        console.log("Pre-ensure Taxi columns (traffic_light) ...");
        try {
@@ -54,6 +171,112 @@ const syncDatabase = async () => {
            console.warn('⚠️  Konnte traffic_light-Spalte nicht vorab sicherstellen:', e?.message || e);
        }
        // Cleanup: Entferne verwaiste Einträge vor Schema-Updates (nur wenn Schema-Updates aktiviert)
        if (currentStage === 'dev') {
            console.log("Cleaning up orphaned entries...");
            try {
                // Cleanup user_param_visibility
                const result1 = await sequelize.query(`
                    DELETE FROM community.user_param_visibility
                    WHERE param_id NOT IN (
                        SELECT id FROM community.user_param
                    );
                `);
                const deletedCount1 = result1[1] || 0;
                if (deletedCount1 > 0) {
                    console.log(`✅ ${deletedCount1} verwaiste user_param_visibility Einträge entfernt`);
                }
                // Cleanup stock mit ungültigen branch_id (0 oder nicht existierend)
                const result2 = await sequelize.query(`
                    DELETE FROM falukant_data.stock
                    WHERE branch_id = 0 OR branch_id NOT IN (
                        SELECT id FROM falukant_data.branch
                    );
                `);
                const deletedCount2 = result2[1] || 0;
                if (deletedCount2 > 0) {
                    console.log(`✅ ${deletedCount2} verwaiste stock Einträge entfernt`);
                }
                // Cleanup knowledge mit ungültigen character_id oder product_id
                const result3 = await sequelize.query(`
                    DELETE FROM falukant_data.knowledge
                    WHERE character_id NOT IN (
                        SELECT id FROM falukant_data.character
                    ) OR product_id NOT IN (
                        SELECT id FROM falukant_type.product
                    );
                `);
                const deletedCount3 = result3[1] || 0;
                if (deletedCount3 > 0) {
                    console.log(`✅ ${deletedCount3} verwaiste knowledge Einträge entfernt`);
                }
            // Cleanup notification mit ungültigen user_id
            const result4 = await sequelize.query(`
                DELETE FROM falukant_log.notification
                WHERE user_id NOT IN (
                    SELECT id FROM falukant_data.falukant_user
                );
            `);
            const deletedCount4 = result4[1] || 0;
            if (deletedCount4 > 0) {
                console.log(`✅ ${deletedCount4} verwaiste notification Einträge entfernt`);
            }
            // Cleanup promotional_gift mit ungültigen sender_character_id oder recipient_character_id
            const result5 = await sequelize.query(`
                DELETE FROM falukant_log.promotional_gift
                WHERE sender_character_id NOT IN (
                    SELECT id FROM falukant_data.character
                ) OR recipient_character_id NOT IN (
                    SELECT id FROM falukant_data.character
                );
            `);
            const deletedCount5 = result5[1] || 0;
            if (deletedCount5 > 0) {
                console.log(`✅ ${deletedCount5} verwaiste promotional_gift Einträge entfernt`);
            }
            // Cleanup user_house mit ungültigen house_type_id oder user_id
            const result6 = await sequelize.query(`
                DELETE FROM falukant_data.user_house
                WHERE house_type_id NOT IN (
                    SELECT id FROM falukant_type.house
                ) OR user_id NOT IN (
                    SELECT id FROM falukant_data.falukant_user
                );
            `);
            const deletedCount6 = result6[1] || 0;
            if (deletedCount6 > 0) {
                console.log(`✅ ${deletedCount6} verwaiste user_house Einträge entfernt`);
            }
            // Cleanup child_relation mit ungültigen father_character_id, mother_character_id oder child_character_id
            const result7 = await sequelize.query(`
                DELETE FROM falukant_data.child_relation
                WHERE father_character_id NOT IN (
                    SELECT id FROM falukant_data.character
                ) OR mother_character_id NOT IN (
                    SELECT id FROM falukant_data.character
                ) OR child_character_id NOT IN (
                    SELECT id FROM falukant_data.character
                );
            `);
            const deletedCount7 = result7[1] || 0;
            if (deletedCount7 > 0) {
                console.log(`✅ ${deletedCount7} verwaiste child_relation Einträge entfernt`);
            }
            if (deletedCount1 === 0 && deletedCount2 === 0 && deletedCount3 === 0 && deletedCount4 === 0 && deletedCount5 === 0 && deletedCount6 === 0 && deletedCount7 === 0) {
                console.log("✅ Keine verwaisten Einträge gefunden");
            }
            } catch (e) {
                console.warn('⚠️  Konnte verwaiste Einträge nicht bereinigen:', e?.message || e);
            }
        }
        console.log("Setting up associations...");
        setupAssociations();
@@ -104,6 +327,10 @@ const syncDatabase = async () => {
 // Deployment-Synchronisation (immer Schema-Updates)
 const syncDatabaseForDeployment = async () => {
    try {
        // WICHTIG: Bei Caching-Problemen das Script neu starten
        // Node.js cached ES-Module, daher müssen Models neu geladen werden
        console.log('📦 Lade Models neu (Node.js Module-Cache wird verwendet)...');
        // Zeige den aktuellen Stage an
        const currentStage = process.env.STAGE || 'nicht gesetzt';
        console.log(`🚀 Starte Datenbank-Synchronisation für Deployment (Stage: ${currentStage})`);
@@ -133,6 +360,185 @@ const syncDatabaseForDeployment = async () => {
            console.warn('⚠️  Konnte traffic_light-Spalte nicht vorab sicherstellen:', e?.message || e);
        }
        // Migration: Transport product_id und size nullable machen
        console.log("Making transport product_id and size nullable...");
        try {
            await sequelize.query(`
                DO $$
                BEGIN
                    -- Prüfe ob product_id NOT NULL Constraint existiert
                    IF EXISTS (
                        SELECT 1 FROM information_schema.columns
                        WHERE table_schema = 'falukant_data' 
                        AND table_name = 'transport' 
                        AND column_name = 'product_id'
                        AND is_nullable = 'NO'
                    ) THEN
                        ALTER TABLE falukant_data.transport 
                        ALTER COLUMN product_id DROP NOT NULL;
                        RAISE NOTICE 'product_id NOT NULL Constraint entfernt';
                    END IF;
                    -- Prüfe ob size NOT NULL Constraint existiert
                    IF EXISTS (
                        SELECT 1 FROM information_schema.columns
                        WHERE table_schema = 'falukant_data' 
                        AND table_name = 'transport' 
                        AND column_name = 'size'
                        AND is_nullable = 'NO'
                    ) THEN
                        ALTER TABLE falukant_data.transport 
                        ALTER COLUMN size DROP NOT NULL;
                        RAISE NOTICE 'size NOT NULL Constraint entfernt';
                    END IF;
                END
                $$;
            `);
            console.log("✅ Transport product_id und size sind jetzt nullable");
        } catch (e) {
            console.warn('⚠️  Konnte Transport-Spalten nicht nullable machen:', e?.message || e);
        }
        // Cleanup: Entferne verwaiste Einträge vor Schema-Updates
        console.log("Cleaning up orphaned entries...");
        try {
            // Cleanup user_param_visibility
            const result1 = await sequelize.query(`
                DELETE FROM community.user_param_visibility
                WHERE param_id NOT IN (
                    SELECT id FROM community.user_param
                );
            `);
            const deletedCount1 = result1[1] || 0;
            if (deletedCount1 > 0) {
                console.log(`✅ ${deletedCount1} verwaiste user_param_visibility Einträge entfernt`);
            }
            // Cleanup stock mit ungültigen branch_id (0 oder nicht existierend)
            const result2 = await sequelize.query(`
                DELETE FROM falukant_data.stock
                WHERE branch_id = 0 OR branch_id NOT IN (
                    SELECT id FROM falukant_data.branch
                );
            `);
            const deletedCount2 = result2[1] || 0;
            if (deletedCount2 > 0) {
                console.log(`✅ ${deletedCount2} verwaiste stock Einträge entfernt`);
            }
            // Cleanup knowledge mit ungültigen character_id oder product_id
            const result3 = await sequelize.query(`
                DELETE FROM falukant_data.knowledge
                WHERE character_id NOT IN (
                    SELECT id FROM falukant_data.character
                ) OR product_id NOT IN (
                    SELECT id FROM falukant_type.product
                );
            `);
            const deletedCount3 = result3[1] || 0;
            if (deletedCount3 > 0) {
                console.log(`✅ ${deletedCount3} verwaiste knowledge Einträge entfernt`);
            }
            // Cleanup notification mit ungültigen user_id
            const result4 = await sequelize.query(`
                DELETE FROM falukant_log.notification
                WHERE user_id NOT IN (
                    SELECT id FROM falukant_data.falukant_user
                );
            `);
            const deletedCount4 = result4[1] || 0;
            if (deletedCount4 > 0) {
                console.log(`✅ ${deletedCount4} verwaiste notification Einträge entfernt`);
            }
            // Cleanup promotional_gift mit ungültigen sender_character_id oder recipient_character_id
            const result5 = await sequelize.query(`
                DELETE FROM falukant_log.promotional_gift
                WHERE sender_character_id NOT IN (
                    SELECT id FROM falukant_data.character
                ) OR recipient_character_id NOT IN (
                    SELECT id FROM falukant_data.character
                );
            `);
            const deletedCount5 = result5[1] || 0;
            if (deletedCount5 > 0) {
                console.log(`✅ ${deletedCount5} verwaiste promotional_gift Einträge entfernt`);
            }
            // Cleanup user_house mit ungültigen house_type_id oder user_id
            const result6 = await sequelize.query(`
                DELETE FROM falukant_data.user_house
                WHERE house_type_id NOT IN (
                    SELECT id FROM falukant_type.house
                ) OR user_id NOT IN (
                    SELECT id FROM falukant_data.falukant_user
                );
            `);
            const deletedCount6 = result6[1] || 0;
            if (deletedCount6 > 0) {
                console.log(`✅ ${deletedCount6} verwaiste user_house Einträge entfernt`);
            }
            // Cleanup child_relation mit ungültigen father_character_id, mother_character_id oder child_character_id
            const result7 = await sequelize.query(`
                DELETE FROM falukant_data.child_relation
                WHERE father_character_id NOT IN (
                    SELECT id FROM falukant_data.character
                ) OR mother_character_id NOT IN (
                    SELECT id FROM falukant_data.character
                ) OR child_character_id NOT IN (
                    SELECT id FROM falukant_data.character
                );
            `);
            const deletedCount7 = result7[1] || 0;
            if (deletedCount7 > 0) {
                console.log(`✅ ${deletedCount7} verwaiste child_relation Einträge entfernt`);
            }
            // Cleanup political_office mit ungültigen character_id, office_type_id oder region_id
            const result8 = await sequelize.query(`
                DELETE FROM falukant_data.political_office
                WHERE character_id NOT IN (
                    SELECT id FROM falukant_data.character
                ) OR office_type_id NOT IN (
                    SELECT id FROM falukant_type.political_office_type
                ) OR region_id NOT IN (
                    SELECT id FROM falukant_data.region
                );
            `);
            const deletedCount8 = result8[1] || 0;
            if (deletedCount8 > 0) {
                console.log(`✅ ${deletedCount8} verwaiste political_office Einträge entfernt`);
            }
            // Cleanup vehicle.condition: Legacy-Nulls + Range clamp (UI zeigt sonst "Unbekannt")
            const result9 = await sequelize.query(`
                UPDATE falukant_data.vehicle
                SET condition = 100
                WHERE condition IS NULL;
            `);
            const updatedNullConditions = result9[1] || 0;
            if (updatedNullConditions > 0) {
                console.log(`✅ ${updatedNullConditions} vehicle.condition NULL → 100 gesetzt`);
            }
            const result10 = await sequelize.query(`
                UPDATE falukant_data.vehicle
                SET condition = GREATEST(0, LEAST(100, condition))
                WHERE condition < 0 OR condition > 100;
            `);
            const clampedConditions = result10[1] || 0;
            if (clampedConditions > 0) {
                console.log(`✅ ${clampedConditions} vehicle.condition Werte auf 0..100 geklemmt`);
            }
            if (deletedCount1 === 0 && deletedCount2 === 0 && deletedCount3 === 0 && deletedCount4 === 0 && deletedCount5 === 0 && deletedCount6 === 0 && deletedCount7 === 0 && deletedCount8 === 0 && updatedNullConditions === 0 && clampedConditions === 0) {
                console.log("✅ Keine verwaisten Einträge gefunden");
            }
        } catch (e) {
            console.warn('⚠️  Konnte verwaiste Einträge nicht bereinigen:', e?.message || e);
        }
        console.log("Setting up associations...");
        setupAssociations();
--- a/build-local.sh
+++ b/build-local.sh
@@ -0,0 +1,78 @@
 #!/bin/bash
 # YourPart Daemon Local Build Script für OpenSUSE Tumbleweed
 # Führen Sie dieses Script lokal auf Ihrem Entwicklungsrechner aus
 set -euo pipefail
 # Farben für Output
 RED='\033[0;31m'
 GREEN='\033[0;32m'
 YELLOW='\033[1;33m'
 BLUE='\033[0;34m'
 NC='\033[0m' # No Color
 log_info() {
    echo -e "${BLUE}[INFO]${NC} $1"
 }
 log_success() {
    echo -e "${GREEN}[SUCCESS]${NC} $1"
 }
 log_warning() {
    echo -e "${YELLOW}[WARNING]${NC} $1"
 }
 log_error() {
    echo -e "${RED}[ERROR]${NC} $1"
 }
 log_info "Starte lokalen Build für YourPart Daemon auf OpenSUSE Tumbleweed..."
 # Prüfe ob wir im richtigen Verzeichnis sind
 if [ ! -f "CMakeLists.txt" ] || [ ! -f "daemon.conf" ]; then
    log_error "Bitte führen Sie dieses Script aus dem Projektverzeichnis aus!"
    exit 1
 fi
 # Prüfe Dependencies
 log_info "Prüfe Dependencies..."
 if ! command -v cmake &> /dev/null; then
    log_error "CMake nicht gefunden. Führen Sie zuerst install-dependencies-opensuse.sh aus!"
    exit 1
 fi
 if ! command -v g++ &> /dev/null; then
    log_error "G++ nicht gefunden. Führen Sie zuerst install-dependencies-opensuse.sh aus!"
    exit 1
 fi
 # Erstelle Build-Verzeichnis
 log_info "Erstelle Build-Verzeichnis..."
 if [ ! -d "build" ]; then
    mkdir build
 fi
 cd build
 # Konfiguriere CMake
 log_info "Konfiguriere CMake..."
 cmake .. -DCMAKE_BUILD_TYPE=Release
 # Kompiliere
 log_info "Kompiliere Projekt..."
 make -j$(nproc)
 cd ..
 log_success "Lokaler Build abgeschlossen!"
 log_info ""
 log_info "Build-Ergebnisse:"
 log_info "- Binärdatei: build/yourpart-daemon"
 log_info "- Größe: $(du -h build/yourpart-daemon | cut -f1)"
 log_info ""
 log_info "Nächste Schritte:"
 log_info "1. Testen Sie die Binärdatei lokal"
 log_info "2. Deployen Sie auf den Server mit deploy.sh"
 log_info "3. Oder verwenden Sie deploy-server.sh direkt auf dem Server"
--- a/Show More
+++ b/Show More