changed mode_modules dir cause of workspace configuration

.gitignore

@@ -110,3 +110,8 @@ Thumbs.db
 
 # Optional eslint cache
 .eslintcache
+
+# Ignore contents of premium folder in public repo
+premium/*
+!premium/README-PREMIUM.md
+!premium/.gitkeep

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "premium"]
+	path = premium
+	url = https://github.com/donpat1to/Schichtenplaner-Pro.git

Dockerfile

@@ -1,7 +1,7 @@
 # Multi-stage build for combined frontend + backend
 FROM node:20-bullseye AS backend-builder
 
-WORKDIR /app/backend
+WORKDIR /app
 
 # Install Python + OR-Tools
 RUN apt-get update && apt-get install -y python3 python3-pip build-essential \
@@ -10,21 +10,22 @@ RUN apt-get update && apt-get install -y python3 python3-pip build-essential \
 # Create symlink so python3 is callable as python
 RUN ln -sf /usr/bin/python3 /usr/bin/python
 
-# Copy backend files
+# Copy ALL package files (root + backend)
-COPY backend/package*.json ./
+COPY package*.json ./
-COPY backend/tsconfig.json ./
+COPY backend/package.json ./backend/
 
-# Install backend dependencies
+# Install dependencies using workspaces
-RUN npm ci
+RUN npm ci --workspace=backend
 
 # Copy backend source
-COPY backend/src/ ./src/
+COPY backend/src/ ./backend/src/
+COPY backend/tsconfig.json ./backend/
 
 # Build backend
-RUN npm run build
+RUN npm run build --workspace=backend
 
-# Copy database files manually (tsc doesn't copy non-TS files)
+# Copy database files manually
-RUN cp -r src/database/ dist/database/
+RUN cp -r backend/src/database/ backend/dist/database/
 
 # Verify Python and OR-Tools installation
 RUN python -c "from ortools.sat.python import cp_model; print('OR-Tools installed successfully')"
@@ -32,34 +33,38 @@ RUN python -c "from ortools.sat.python import cp_model; print('OR-Tools installe
 # Frontend build stage
 FROM node:20-bullseye AS frontend-builder
 
-WORKDIR /app/frontend
+WORKDIR /app
 
-# Copy frontend files
+# Copy ALL package files (root + frontend)
-COPY frontend/package*.json ./
+COPY package*.json ./
-COPY frontend/tsconfig.json ./
+COPY frontend/package.json ./frontend/
 
-# Install frontend dependencies
+# Install dependencies using workspaces
-RUN npm ci
+RUN npm ci --workspace=frontend
 
 # Copy frontend source
-COPY frontend/src/ ./src/
+COPY frontend/src/ ./frontend/src/
-COPY frontend/public/ ./public/
+COPY frontend/public/ ./frontend/public/
+COPY frontend/tsconfig.json ./frontend/
 
 # Build frontend
-RUN npm run build
+RUN npm run build --workspace=frontend
 
 # Production stage
-FROM node:20-alpine
+FROM node:20-bookworm
 
 WORKDIR /app
 
 # Install PM2 for process management
 RUN npm install -g pm2
 
+# Create data directory for SQLite database with proper permissions
+RUN mkdir -p /app/data
+
 # Copy backend built files
-COPY --from=backend-builder /app/backend/package*.json ./
 COPY --from=backend-builder /app/backend/dist/ ./dist/
-COPY --from=backend-builder /app/backend/node_modules/ ./node_modules/
+COPY --from=backend-builder /app/node_modules/ ./node_modules/
+COPY --from=backend-builder /app/backend/package.json ./
 
 # Copy frontend built files  
 COPY --from=frontend-builder /app/frontend/build/ ./frontend-build/
@@ -67,14 +72,19 @@ COPY --from=frontend-builder /app/frontend/build/ ./frontend-build/
 # Copy PM2 configuration
 COPY ecosystem.config.cjs ./
 
-# Create a non-root user
+# Create a non-root user and group - DEBIAN STYLE
-RUN addgroup -g 1001 -S nodejs && \
+RUN groupadd -g 1001 nodejs && \
-  adduser -S schichtplan -u 1001 && \
+    useradd -m -u 1001 -s /bin/bash -g nodejs schichtplan && \
-  chown -R schichtplan:nodejs /app
+    chown -R schichtplan:nodejs /app && \
+    chmod 755 /app && \
+    chmod 775 /app/data
+
+# Set PM2 to use app directory instead of home directory
+ENV PM2_HOME=/app/.pm2
 
 USER schichtplan
 
-EXPOSE 3000 3002
+EXPOSE 3002
 
 HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
   CMD wget --no-verbose --tries=1 --spider http://localhost:3002/api/health || exit 1

LICENSE-COMMERCIAL

@@ -0,0 +1,21 @@
+COMMERCIAL LICENSE AGREEMENT
+Copyright (c) 2025 Patrick Mahnke-Hartmann
+
+This software, "Schichtenplaner", is offered under a dual licensing model.
+
+1. Open-Source License
+   You may use this software under the terms of the MIT License
+   (see LICENSE file) for non-commercial, personal, or educational use.
+
+2. Commercial License
+   Commercial use of this software requires a separate paid license.
+   This includes, but is not limited to:
+   - Use in proprietary, for-profit, or internal business applications
+   - Use within paid services or SaaS offerings
+   - Integration into commercial software or distributions
+
+To obtain a commercial license, please contact:
+📧 patrick@mahnke-hartmann.dev
+or open an inquiry via GitHub: https://github.com/donpat1to/Schichtenplaner
+
+Without a valid commercial license, all commercial rights are reserved.

README.md

@@ -2,4 +2,14 @@
 Aufteilung der Schichten unter Mitarbeitern
 
 
-du knlich
+## 🧾 License
+
+This project uses a **dual license model**:
+
+- **Community Edition:** Licensed under [MIT](./LICENSE) for personal and non-commercial use.
+- **Commercial Edition:** A [commercial license](./LICENSE-COMMERCIAL) is required for any for-profit or business use.
+
+To obtain a commercial license, contact:  
+📧 patrick@mahnke-hartmann.dev
+
+[![License: MIT & Commercial](https://img.shields.io/badge/license-MIT%20%7C%20Commercial-purple)](#license)

backend/src/scripts/initializeDatabase.ts

@@ -8,7 +8,30 @@ const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 
 export async function initializeDatabase(): Promise<void> {
-  const schemaPath = path.join(__dirname, '../database/schema.sql');
+  const possiblePaths = [
+    path.join(__dirname, '../database/schema.sql'),
+    path.join(__dirname, '../../database/schema.sql'),
+    path.join(process.cwd(), 'database/schema.sql'),
+    path.join(process.cwd(), 'src/database/schema.sql'),
+    path.join(process.cwd(), 'dist/database/schema.sql')
+  ];
+
+  let schemaPath: string | null = null;
+
+  for (const p of possiblePaths) {
+    if (fs.existsSync(p)) {
+      schemaPath = p;
+      break;
+    }
+  }
+
+  if (!schemaPath) {
+    throw new Error(
+      `❌ schema.sql not found in any of the tested paths:\n${possiblePaths.join('\n')}`
+    );
+  }
+
+  console.log(`✅ Using schema at: ${schemaPath}`);
   const schema = fs.readFileSync(schemaPath, 'utf8');
   
   try {

backend/src/server.ts

@@ -1,7 +1,9 @@
 // backend/src/server.ts
 import express from 'express';
-import cors from 'cors';
+import path from 'path';
+import { fileURLToPath } from 'url';
 import { initializeDatabase } from './scripts/initializeDatabase.js';
+import fs from 'fs';
 
 // Route imports
 import authRoutes from './routes/auth.js';
@@ -11,11 +13,13 @@ import setupRoutes from './routes/setup.js';
 import scheduledShifts from './routes/scheduledShifts.js';
 import schedulingRoutes from './routes/scheduling.js';
 
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
 const app = express();
 const PORT = 3002;
 
-// CORS und Middleware
+// Middleware
-app.use(cors());
 app.use(express.json());
 
 // API Routes
@@ -26,17 +30,6 @@ app.use('/api/shift-plans', shiftPlanRoutes);
 app.use('/api/scheduled-shifts', scheduledShifts);
 app.use('/api/scheduling', schedulingRoutes);
 
-// Error handling middleware should come after routes
-app.use((err: any, req: express.Request, res: express.Response, next: express.NextFunction) => {
-  console.error('Unhandled error:', err);
-  res.status(500).json({ error: 'Internal server error' });
-});
-
-// 404 handler for API routes
-app.use('/api/*', (req, res) => {
-  res.status(404).json({ error: 'API endpoint not found' });
-});
-
 // Health route
 app.get('/api/health', (req: any, res: any) => {
   res.json({ 
@@ -46,23 +39,57 @@ app.get('/api/health', (req: any, res: any) => {
   });
 });
 
-// Setup status route (additional endpoint for clarity)
+// 🆕 STATIC FILE SERVING FÜR FRONTEND
-app.get('/api/initial-setup', async (req: any, res: any) => {
+const frontendBuildPath = path.join(__dirname, '../frontend-build');
-  try {
+console.log('📁 Frontend build path:', frontendBuildPath);
-    const { db } = await import('./services/databaseService.js');
 
-    const adminExists = await db.get<{ 'COUNT(*)': number }>(
+// Überprüfe ob das Verzeichnis existiert
-      'SELECT COUNT(*) FROM employees WHERE role = ?',
+if (fs.existsSync(frontendBuildPath)) {
-      ['admin']
+  console.log('✅ Frontend build directory exists');
-    );
+  const files = fs.readdirSync(frontendBuildPath);
+  console.log('📄 Files in frontend-build:', files);
   
-    res.json({
+  // Serviere statische Dateien
-      needsInitialSetup: !adminExists || adminExists['COUNT(*)'] === 0
+  app.use(express.static(frontendBuildPath));
-    });
+  
-  } catch (error) {
+  console.log('✅ Static file serving configured');
-    console.error('Error checking initial setup:', error);
+} else {
-    res.status(500).json({ error: 'Internal server error' });
+  console.log('❌ Frontend build directory NOT FOUND:', frontendBuildPath);
 }
+
+app.get('/', (req, res) => {
+  const indexPath = path.join(frontendBuildPath, 'index.html');
+  console.log('📄 Serving index.html from:', indexPath);
+  
+  if (fs.existsSync(indexPath)) {
+    res.sendFile(indexPath);
+  } else {
+    console.error('❌ index.html not found at:', indexPath);
+    res.status(404).send('Frontend not found - index.html missing');
+  }
+});
+
+app.get('*', (req, res) => {
+  // Ignoriere API Routes
+  if (req.path.startsWith('/api/')) {
+    return res.status(404).json({ error: 'API endpoint not found' });
+  }
+  
+  const indexPath = path.join(frontendBuildPath, 'index.html');
+  console.log('🔄 Client-side routing for:', req.path, '-> index.html');
+  
+  if (fs.existsSync(indexPath)) {
+    res.sendFile(indexPath);
+  } else {
+    console.error('❌ index.html not found for client-side routing');
+    res.status(404).json({ error: 'Frontend application not found' });
+  }
+});
+
+// Error handling middleware
+app.use((err: any, req: express.Request, res: express.Response, next: express.NextFunction) => {
+  console.error('Unhandled error:', err);
+  res.status(500).json({ error: 'Internal server error' });
 });
 
 // Initialize the application
@@ -70,25 +97,24 @@ const initializeApp = async () => {
   try {
     // Initialize database with base schema
     await initializeDatabase();
-    //console.log('✅ Database initialized successfully');
     
     // Apply any pending migrations
     const { applyMigration } = await import('./scripts/applyMigration.js');
     await applyMigration();
-    //console.log('✅ Database migrations applied');
 
     // Start server only after successful initialization
     app.listen(PORT, () => {
-      console.log('🎉 BACKEND STARTED SUCCESSFULLY!');
+      console.log('🎉 APPLICATION STARTED SUCCESSFULLY!');
       console.log(`📍 Port: ${PORT}`);
-      console.log(`📍 Health: http://localhost:${PORT}/api/health`);
+      console.log(`📍 Frontend: http://localhost:${PORT}`);
+      console.log(`📍 API: http://localhost:${PORT}/api`);
       console.log('');
-      console.log(`🔧 Setup ready at: http://localhost:${PORT}/api/setup/status`);
+      console.log(`🔧 Setup: http://localhost:${PORT}/api/setup/status`);
       console.log('📝 Create your admin account on first launch');
     });
   } catch (error) {
     console.error('❌ Error during initialization:', error);
-    process.exit(1); // Exit if initialization fails
+    process.exit(1);
   }
 };
 

backend/src/services/databaseService.ts

@@ -1,10 +1,19 @@
+// backend/src/services/databaseService
 import sqlite3 from 'sqlite3';
 import path from 'path';
 import { fileURLToPath } from 'url';
+import fs from 'fs';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
-const dbPath = path.join(__dirname, '../../database/schichtplan.db');
+
+const dbPath = process.env.DB_PATH || '/app/data/schichtplan.db';
+
+// Stelle sicher, dass das Verzeichnis existiert
+const dbDir = path.dirname(dbPath);
+if (!fs.existsSync(dbDir)) {
+  fs.mkdirSync(dbDir, { recursive: true });
+}
 
 class Database {
   private db: sqlite3.Database;

backend/tsconfig.json

@@ -1,19 +1,22 @@
-// backend/tsconfig.json
 {
   "compilerOptions": {
     "target": "ES2022",
     "module": "NodeNext",
     "moduleResolution": "NodeNext",
-    "allowSyntheticDefaultImports": true,
-    "esModuleInterop": true,
-    "allowJs": true,
     "outDir": "./dist",
     "rootDir": "./src",
     "strict": true,
+    "esModuleInterop": true,
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
-    "resolveJsonModule": true
+    "resolveJsonModule": true,
+    "allowSyntheticDefaultImports": true
   },
-  "include": ["src/**/*"],
+  "include": [
-  "exclude": ["node_modules", "dist"]
+    "src/**/*"
+  ],
+  "exclude": [
+    "node_modules",
+    "dist"
+  ]
 }

ecosystem.config.cjs

@@ -2,7 +2,7 @@
 module.exports = {
   apps: [
     {
-      name: 'backend',
+      name: 'schichtplaner',
       script: './dist/server.js',
       instances: 1,
       exec_mode: 'fork',
@@ -10,21 +10,8 @@ module.exports = {
         NODE_ENV: 'production',
         PORT: 3002
       },
-      error_file: './logs/backend-err.log',
+      error_file: './logs/app-err.log',
-      out_file: './logs/backend-out.log',
+      out_file: './logs/app-out.log',
-      time: true
-    },
-    {
-      name: 'frontend',
-      script: 'npx',
-      args: 'serve -s frontend-build -l 3000',
-      instances: 1,
-      exec_mode: 'fork',
-      env: {
-        NODE_ENV: 'production'
-      },
-      error_file: './logs/frontend-err.log',
-      out_file: './logs/frontend-out.log',
       time: true
     }
   ]

frontend/package.json

@@ -2,6 +2,7 @@
   "name": "frontend",
   "version": "0.1.0",
   "private": true,
+  "type": "module",
   "dependencies": {
     "@testing-library/dom": "^10.4.1",
     "@testing-library/jest-dom": "^6.9.1",

frontend/public/manifest.json

@@ -1,6 +1,6 @@
 {
-  "short_name": "React App",
+  "short_name": "SP",
-  "name": "Create React App Sample",
+  "name": "schichtenplaner",
   "icons": [
     {
       "src": "favicon.ico",

frontend/src/App.tsx

@@ -1,4 +1,4 @@
-// frontend/src/App.tsx - KORRIGIERT MIT LAYOUT
+// frontend/src/App.tsx - ONE-REPO SAFE WITHOUT DYNAMIC IMPORTS
 import React from 'react';
 import { BrowserRouter as Router, Routes, Route } from 'react-router-dom';
 import { AuthProvider, useAuth } from './contexts/AuthContext';
@@ -16,6 +16,38 @@ import Settings from './pages/Settings/Settings';
 import Help from './pages/Help/Help';
 import Setup from './pages/Setup/Setup';
 
+// Free Footer Link Pages (always available)
+import FAQ from './components/Layout/FooterLinks/FAQ/FAQ';
+import About from './components/Layout/FooterLinks/About/About';
+import Features from './components/Layout/FooterLinks/Features/Features';
+import { CommunityContact, CommunityLegalPage } from './components/Layout/FooterLinks/CommunityLinks/communityLinks';
+
+// Feature flag from environment
+const ENABLE_PRO = process.env.ENABLE_PRO === 'true';
+
+// Conditional Premium Components
+let PremiumContact: React.FC = CommunityContact;
+let PremiumPrivacy: React.FC = () => <CommunityLegalPage title="Datenschutz" />;
+let PremiumImprint: React.FC = () => <CommunityLegalPage title="Impressum" />;
+let PremiumTerms: React.FC = () => <CommunityLegalPage title="AGB" />;
+
+// Load premium components only when ENABLE_PRO is true
+if (ENABLE_PRO) {
+  try {
+    // Use require with type assertions to avoid dynamic import issues
+    const premiumModule = require('@premium-frontend/components/FooterLinks');
+
+    if (premiumModule.Contact) PremiumContact = premiumModule.Contact;
+    if (premiumModule.Privacy) PremiumPrivacy = premiumModule.Privacy;
+    if (premiumModule.Imprint) PremiumImprint = premiumModule.Imprint;
+    if (premiumModule.Terms) PremiumTerms = premiumModule.Terms;
+    
+    console.log('✅ Premium components loaded successfully');
+  } catch (error) {
+    console.warn('⚠️ Premium components not available, using community fallbacks:', error);
+  }
+}
+
 // Protected Route Component
 const ProtectedRoute: React.FC<{ children: React.ReactNode; roles?: string[] }> = ({ 
   children, 
@@ -49,11 +81,27 @@ const ProtectedRoute: React.FC<{ children: React.ReactNode; roles?: string[] }>
   return <Layout>{children}</Layout>;
 };
 
+// Public Route Component (without Layout for footer pages)
+const PublicRoute: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const { user, loading } = useAuth();
+
+  if (loading) {
+    return (
+      <div style={{ textAlign: 'center', padding: '40px' }}>
+        <div>⏳ Lade Anwendung...</div>
+      </div>
+    );
+  }
+
+  return user ? <Layout>{children}</Layout> : <>{children}</>;
+};
+
 // Main App Content
 const AppContent: React.FC = () => {
   const { loading, needsSetup, user } = useAuth();
 
   console.log('🏠 AppContent rendering - loading:', loading, 'needsSetup:', needsSetup, 'user:', user);
+  console.log('🎯 Premium features enabled:', ENABLE_PRO);
 
   // Während des Ladens
   if (loading) {
@@ -80,52 +128,32 @@ const AppContent: React.FC = () => {
   console.log('✅ Showing protected routes for user:', user.email);
   return (
     <Routes>
-      <Route path="/" element={
+      {/* Protected Routes (require login) */}
-        <ProtectedRoute>
+      <Route path="/" element={<ProtectedRoute><Dashboard /></ProtectedRoute>} />
-          <Dashboard />
+      <Route path="/shift-plans" element={<ProtectedRoute><ShiftPlanList /></ProtectedRoute>} />
-        </ProtectedRoute>
+      <Route path="/shift-plans/new" element={<ProtectedRoute roles={['admin', 'maintenance']}><ShiftPlanCreate /></ProtectedRoute>} />
-      } />
+      <Route path="/shift-plans/:id/edit" element={<ProtectedRoute roles={['admin', 'maintenance']}><ShiftPlanEdit /></ProtectedRoute>} />
-      <Route path="/shift-plans" element={
+      <Route path="/shift-plans/:id" element={<ProtectedRoute><ShiftPlanView /></ProtectedRoute>} />
-        <ProtectedRoute>
+      <Route path="/employees" element={<ProtectedRoute roles={['admin', 'maintenance']}><EmployeeManagement /></ProtectedRoute>} />
-          <ShiftPlanList />
+      <Route path="/settings" element={<ProtectedRoute><Settings /></ProtectedRoute>} />
-        </ProtectedRoute>
+      <Route path="/help" element={<ProtectedRoute><Help /></ProtectedRoute>} />
-      } />
+
-      <Route path="/shift-plans/new" element={
+      {/* Public Footer Link Pages (always available) */}
-        <ProtectedRoute roles={['admin', 'maintenance']}>
+      <Route path="/faq" element={<PublicRoute><FAQ /></PublicRoute>} />
-          <ShiftPlanCreate />
+      <Route path="/about" element={<PublicRoute><About /></PublicRoute>} />
-        </ProtectedRoute>
+      <Route path="/features" element={<PublicRoute><Features /></PublicRoute>} />
-      } />
+
-      <Route path="/shift-plans/:id/edit" element={
+      {/* PREMIUM Footer Link Pages (conditionally available) */}
-        <ProtectedRoute roles={['admin', 'maintenance']}>
+      <Route path="/contact" element={<PublicRoute><PremiumContact /></PublicRoute>} />
-          <ShiftPlanEdit />
+      <Route path="/privacy" element={<PublicRoute><PremiumPrivacy /></PublicRoute>} />
-        </ProtectedRoute>
+      <Route path="/imprint" element={<PublicRoute><PremiumImprint /></PublicRoute>} />
-      } />
+      <Route path="/terms" element={<PublicRoute><PremiumTerms /></PublicRoute>} />
-      <Route path="/shift-plans/:id" element={
+
-        <ProtectedRoute>
+      {/* Auth Routes */}
-          <ShiftPlanView />
-        </ProtectedRoute>
-      } />
-      <Route path="/employees" element={
-        <ProtectedRoute roles={['admin', 'maintenance']}>
-          <EmployeeManagement />
-        </ProtectedRoute>
-      } />
-      <Route path="/settings" element={
-        <ProtectedRoute>
-          <Settings />
-        </ProtectedRoute>
-      } />
-      <Route path="/help" element={
-        <ProtectedRoute>
-          <Help />
-        </ProtectedRoute>
-      } />
       <Route path="/login" element={<Login />} />
-      <Route path="*" element={
+      
-        <ProtectedRoute>
+      {/* Catch-all Route */}
-          <Dashboard />
+      <Route path="*" element={<ProtectedRoute><Dashboard /></ProtectedRoute>} />
-        </ProtectedRoute>
-      } />
     </Routes>
   );
 };

frontend/src/components/Layout/Footer.tsx

@@ -182,20 +182,6 @@ const Footer: React.FC = () => {
           >
             Funktionen
           </a>
-          <a 
-            href="/pricing" 
-            style={styles.footerLink}
-            onMouseEnter={(e) => {
-              e.currentTarget.style.color = '#FBFAF6';
-              e.currentTarget.style.transform = 'translateX(4px)';
-            }}
-            onMouseLeave={(e) => {
-              e.currentTarget.style.color = 'rgba(251, 250, 246, 0.7)';
-              e.currentTarget.style.transform = 'translateX(0)';
-            }}
-          >
-            Preise
-          </a>
         </div>
       </div>
       

frontend/src/components/Layout/FooterLinks/About/About.tsx

@@ -0,0 +1,76 @@
+// frontend/src/pages/About/About.tsx
+import React from 'react';
+
+const About: React.FC = () => {
+  return (
+    <div style={{ padding: '40px 20px', maxWidth: '800px', margin: '0 auto' }}>
+      <h1>👨‍💻 Über uns</h1>
+      
+      <div style={{ 
+        backgroundColor: 'white', 
+        borderRadius: '12px', 
+        padding: '30px', 
+        marginTop: '20px',
+        boxShadow: '0 4px 6px rgba(0,0,0,0.1)',
+        border: '1px solid #e0e0e0',
+        lineHeight: 1.6
+      }}>
+        <h2 style={{ color: '#2c3e50' }}>Unser Team</h2>
+        
+        <div style={{ display: 'flex', alignItems: 'center', marginTop: '20px', padding: '20px', backgroundColor: '#f8f9fa', borderRadius: '8px' }}>
+          <div style={{ marginRight: '20px' }}>
+            <div style={{ 
+              width: '80px', 
+              height: '80px', 
+              backgroundColor: '#3498db', 
+              borderRadius: '50%',
+              display: 'flex',
+              alignItems: 'center',
+              justifyContent: 'center',
+              color: 'white',
+              fontSize: '2rem',
+              fontWeight: 'bold'
+            }}>
+              P
+            </div>
+          </div>
+          <div>
+            <h3 style={{ color: '#2c3e50', margin: '0 0 5px 0' }}>Patrick</h3>
+            <p style={{ color: '#6c757d', margin: '0 0 10px 0' }}>
+              Full-Stack Developer & Projektleiter
+            </p>
+            <p style={{ margin: 0, fontSize: '0.9rem' }}>
+              GitHub: <a href="https://github.com/donpat1to" style={{ color: '#3498db' }}>donpat1to</a><br/>
+              E-Mail: <a href="mailto:dev.patrick@inca-vikingo.de" style={{ color: '#3498db' }}>dev.patrick@inca-vikingo.de</a>
+            </p>
+          </div>
+        </div>
+        
+        <h3 style={{ color: '#3498db', marginTop: '30px' }}>🚀 Unsere Mission</h3>
+        <p>
+          Wir entwickeln intelligente Lösungen für die Personalplanung, 
+          die Zeit sparen und faire Schichtverteilung gewährleisten.
+        </p>
+        
+        <h3 style={{ color: '#3498db', marginTop: '25px' }}>💻 Technologie</h3>
+        <p>
+          Unser Stack umfasst moderne Technologien:
+        </p>
+        <ul>
+          <li>Frontend: React, TypeScript</li>
+          <li>Backend: Node.js, Express</li>
+          <li>Optimierung: Google OR-Tools CP-SAT</li>
+          <li>Datenbank: SQLite/PostgreSQL</li>
+        </ul>
+        
+        <h3 style={{ color: '#3498db', marginTop: '25px' }}>📈 Entwicklung</h3>
+        <p>
+          Schichtenplaner wird kontinuierlich weiterentwickelt und 
+          basiert auf Feedback unserer Nutzer.
+        </p>
+      </div>
+    </div>
+  );
+};
+
+export default About;

frontend/src/components/Layout/FooterLinks/CommunityLinks/communityLinks.tsx

@@ -0,0 +1,37 @@
+import React from 'react';
+
+export const CommunityContact: React.FC = () => (
+  <div style={{ padding: '40px 20px', maxWidth: '800px', margin: '0 auto' }}>
+    <h1>📞 Kontakt</h1>
+    <div style={{ backgroundColor: 'white', borderRadius: '12px', padding: '30px', marginTop: '20px' }}>
+      <h2 style={{ color: '#2c3e50' }}>Community Edition</h2>
+      <p>Kontaktfunktionen sind in der Premium Edition verfügbar.</p>
+      <p>
+        <a href="/features" style={{ color: '#3498db' }}>
+          ➡️ Zu den Features
+        </a>
+      </p>
+    </div>
+  </div>
+);
+
+export const CommunityLegalPage: React.FC<{ title: string }> = ({ title }) => (
+  <div style={{ padding: '40px 20px', maxWidth: '800px', margin: '0 auto' }}>
+    <h1>📄 {title}</h1>
+    <div style={{ backgroundColor: 'white', borderRadius: '12px', padding: '30px', marginTop: '20px' }}>
+      <h2 style={{ color: '#2c3e50' }}>Community Edition</h2>
+      <p>Rechtliche Dokumentation ist in der Premium Edition verfügbar.</p>
+      <p>
+        <a href="/features" style={{ color: '#3498db' }}>
+          ➡️ Erfahren Sie mehr über Premium
+        </a>
+      </p>
+    </div>
+  </div>
+);
+
+// Optional: Barrel export für einfachere Imports
+export default {
+  CommunityContact,
+  CommunityLegalPage
+};

frontend/src/components/Layout/FooterLinks/FAQ/FAQ.tsx

@@ -0,0 +1,103 @@
+// frontend/src/pages/FAQ/FAQ.tsx
+import React, { useState } from 'react';
+
+const FAQ: React.FC = () => {
+  const [openItems, setOpenItems] = useState<number[]>([]);
+
+  const toggleItem = (index: number) => {
+    setOpenItems(prev => 
+      prev.includes(index) 
+        ? prev.filter(i => i !== index)
+        : [...prev, index]
+    );
+  };
+
+  const faqItems = [
+    {
+      question: "Wie funktioniert der Scheduling-Algorithmus?",
+      answer: "Unser System verwendet Google's OR-Tools CP-SAT Solver, um optimale Schichtzuweisungen basierend auf Verfügbarkeiten, Vertragstypen und Geschäftsregeln zu berechnen."
+    },
+    {
+      question: "Was bedeuten die Verfügbarkeits-Level 1, 2 und 3?",
+      answer: "Level 1: Bevorzugt (Mitarbeiter möchte diese Schicht), Level 2: Verfügbar (kann arbeiten), Level 3: Nicht verfügbar (kann nicht arbeiten)."
+    },
+    {
+      question: "Wie werden Vertragstypen berücksichtigt?",
+      answer: "Kleine Verträge: 1 Schicht pro Woche, Große Verträge: 2 Schichten pro Woche. Das System weist genau diese Anzahl zu."
+    },
+    {
+      question: "Kann ich manuelle Anpassungen vornehmen?",
+      answer: "Ja, nach dem automatischen Scheduling können Sie Zuordnungen manuell anpassen und optimieren."
+    },
+    {
+      question: "Was passiert bei unterbesetzten Schichten?",
+      answer: "Das System zeigt eine Warnung an und versucht, alternative Lösungen zu finden. In kritischen Fällen müssen manuelle Anpassungen vorgenommen werden."
+    },
+    {
+      question: "Wie lange dauert die Planungserstellung?",
+      answer: "Typischerweise 30-105 Sekunden, abhängig von der Anzahl der Mitarbeiter und Schichten."
+    }
+  ];
+
+  return (
+    <div style={{ padding: '40px 20px', maxWidth: '800px', margin: '0 auto' }}>
+      <h1>❓ Häufige Fragen (FAQ)</h1>
+      
+      <div style={{ 
+        backgroundColor: 'white', 
+        borderRadius: '12px', 
+        marginTop: '20px',
+        boxShadow: '0 4px 6px rgba(0,0,0,0.1)',
+        border: '1px solid #e0e0e0'
+      }}>
+        {faqItems.map((item, index) => (
+          <div key={index} style={{ 
+            borderBottom: index < faqItems.length - 1 ? '1px solid #e0e0e0' : 'none',
+            padding: '20px 30px'
+          }}>
+            <div
+              onClick={() => toggleItem(index)}
+              style={{
+                cursor: 'pointer',
+                display: 'flex',
+                justifyContent: 'space-between',
+                alignItems: 'center'
+              }}
+            >
+              <h3 style={{ 
+                color: '#2c3e50', 
+                margin: 0,
+                fontSize: '1.1rem'
+              }}>
+                {item.question}
+              </h3>
+              <span style={{ 
+                fontSize: '1.5rem',
+                color: '#3498db',
+                transform: openItems.includes(index) ? 'rotate(45deg)' : 'rotate(0)',
+                transition: 'transform 0.2s ease'
+              }}>
+                +
+              </span>
+            </div>
+            
+            {openItems.includes(index) && (
+              <div style={{ 
+                marginTop: '15px',
+                padding: '15px',
+                backgroundColor: '#f8f9fa',
+                borderRadius: '8px',
+                color: '#6c757d',
+                lineHeight: 1.6
+              }}>
+                {item.answer}
+              </div>
+            )}
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+};
+
+export default FAQ;

frontend/src/components/Layout/FooterLinks/Features/Features.tsx

@@ -0,0 +1,111 @@
+// frontend/src/pages/Features/Features.tsx
+import React from 'react';
+
+const Features: React.FC = () => {
+  const features = [
+    {
+      icon: "🤖",
+      title: "Automatisches Scheduling",
+      description: "Intelligenter Algorithmus erstellt optimale Schichtpläne basierend auf Verfügbarkeiten und Regeln"
+    },
+    {
+      icon: "⚡",
+      title: "Schnelle Berechnung",
+      description: "Google OR-Tools CP-SAT Solver findet Lösungen in 30-105 Sekunden"
+    },
+    {
+      icon: "👥",
+      title: "Flexible Regelkonfiguration",
+      description: "Anpassbare Geschäftsregeln für Trainee-Betreuung, Alleinarbeit, Vertragstypen"
+    },
+    {
+      icon: "📊",
+      title: "Echtzeit-Validierung",
+      description: "Automatische Erkennung von Regelverletzungen und Konflikten"
+    },
+    {
+      icon: "🔒",
+      title: "Lokale Datenspeicherung",
+      description: "Alle Daten bleiben in Ihrer Infrastruktur - volle Kontrolle und Datenschutz"
+    },
+    {
+      icon: "🎯",
+      title: "Präferenz-basiert",
+      description: "Berücksichtigt Mitarbeiterwünsche für höhere Zufriedenheit"
+    }
+  ];
+
+  return (
+    <div style={{ padding: '40px 20px', maxWidth: '1000px', margin: '0 auto' }}>
+      <h1>✨ Funktionen</h1>
+      
+      <div style={{ 
+        backgroundColor: 'white', 
+        borderRadius: '12px', 
+        padding: '30px', 
+        marginTop: '20px',
+        boxShadow: '0 4px 6px rgba(0,0,0,0.1)',
+        border: '1px solid #e0e0e0'
+      }}>
+        <h2 style={{ color: '#2c3e50', textAlign: 'center', marginBottom: '40px' }}>
+          Alles, was Sie für die perfekte Schichtplanung benötigen
+        </h2>
+        
+        <div style={{ 
+          display: 'grid', 
+          gridTemplateColumns: 'repeat(auto-fit, minmax(300px, 1fr))', 
+          gap: '30px' 
+        }}>
+          {features.map((feature, index) => (
+            <div key={index} style={{
+              padding: '25px',
+              backgroundColor: '#f8f9fa',
+              borderRadius: '12px',
+              border: '2px solid #e9ecef',
+              textAlign: 'center',
+              transition: 'transform 0.2s ease, box-shadow 0.2s ease'
+            }}>
+              <div style={{ 
+                fontSize: '3rem',
+                marginBottom: '15px'
+              }}>
+                {feature.icon}
+              </div>
+              <h3 style={{ 
+                color: '#2c3e50',
+                margin: '0 0 15px 0'
+              }}>
+                {feature.title}
+              </h3>
+              <p style={{ 
+                color: '#6c757d',
+                margin: 0,
+                lineHeight: 1.5
+              }}>
+                {feature.description}
+              </p>
+            </div>
+          ))}
+        </div>
+        
+        <div style={{ 
+          marginTop: '40px',
+          padding: '25px',
+          backgroundColor: '#e8f4fd',
+          borderRadius: '12px',
+          border: '2px solid #b8d4f0',
+          textAlign: 'center'
+        }}>
+          <h3 style={{ color: '#2980b9', margin: '0 0 15px 0' }}>
+            🚀 Starter Sie durch
+          </h3>
+          <p style={{ color: '#2c3e50', margin: 0 }}>
+            Erstellen Sie Ihren ersten optimierten Schichtplan in wenigen Minuten.
+          </p>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default Features;

frontend/src/contexts/AuthContext.tsx

@@ -20,6 +20,7 @@ interface AuthContextType {
 }
 
 const AuthContext = createContext<AuthContextType | undefined>(undefined);
+const API_BASE_URL = process.env.REACT_APP_API_BASE_URL || '/api';
 
 interface AuthProviderProps {
   children: ReactNode;
@@ -48,7 +49,7 @@ export const AuthProvider: React.FC<AuthProviderProps> = ({ children }) => {
   const checkSetupStatus = async (): Promise<void> => {
     try {
       console.log('🔍 Checking setup status...');
-      const response = await fetch('http://localhost:3002/api/setup/status');
+      const response = await fetch(`${API_BASE_URL}/setup/status`);
       if (!response.ok) {
         throw new Error('Setup status check failed');
       }
@@ -72,7 +73,7 @@ export const AuthProvider: React.FC<AuthProviderProps> = ({ children }) => {
         return;
       }
 
-      const response = await fetch('http://localhost:3002/api/auth/me', {
+      const response = await fetch(`${API_BASE_URL}/auth/me`, {
         headers: {
           'Authorization': `Bearer ${token}`
         }
@@ -104,7 +105,7 @@ export const AuthProvider: React.FC<AuthProviderProps> = ({ children }) => {
     try {
       console.log('🔐 Attempting login for:', credentials.email);
       
-      const response = await fetch('http://localhost:3002/api/auth/login', {
+      const response = await fetch(`${API_BASE_URL}/auth/login`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',

frontend/src/pages/Auth/Login.tsx

@@ -1,18 +1,21 @@
-// frontend/src/pages/Auth/Login.tsx - KORRIGIERT
+// frontend/src/pages/Auth/Login.tsx - UPDATED PASSWORD SECTION
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useRef } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { useAuth } from '../../contexts/AuthContext';
 import { useNotification } from '../../contexts/NotificationContext';
-import { employeeService } from '../../services/employeeService';
 
 const Login: React.FC = () => {
   const [email, setEmail] = useState('');
   const [password, setPassword] = useState('');
+  const [showPassword, setShowPassword] = useState(false);
   const [loading, setLoading] = useState(false);
   const { login, user } = useAuth();
   const { showNotification } = useNotification();
   const navigate = useNavigate();
   
+  const holdTimeoutRef = useRef<NodeJS.Timeout | null>(null);
+  const passwordInputRef = useRef<HTMLInputElement>(null);
+
   useEffect(() => {
     if (user) {
       console.log('✅ User already logged in, redirecting to dashboard');
@@ -20,6 +23,47 @@ const Login: React.FC = () => {
     }
   }, [user, navigate]);
 
+  // Cleanup timeouts on unmount
+  useEffect(() => {
+    return () => {
+      if (holdTimeoutRef.current) {
+        clearTimeout(holdTimeoutRef.current);
+      }
+    };
+  }, []);
+
+  const handleMouseDown = () => {
+    // Start timeout to show password after a brief delay (300ms)
+    holdTimeoutRef.current = setTimeout(() => {
+      setShowPassword(true);
+    }, 300);
+  };
+
+  const handleMouseUp = () => {
+    // Clear the timeout if user releases before delay completes
+    if (holdTimeoutRef.current) {
+      clearTimeout(holdTimeoutRef.current);
+      holdTimeoutRef.current = null;
+    }
+    // Always hide password on release
+    setShowPassword(false);
+  };
+
+  const handleTouchStart = (e: React.TouchEvent) => {
+    e.preventDefault(); // Prevent context menu on mobile
+    handleMouseDown();
+  };
+
+  const handleTouchEnd = (e: React.TouchEvent) => {
+    e.preventDefault();
+    handleMouseUp();
+  };
+
+  // Prevent context menu on long press
+  const handleContextMenu = (e: React.MouseEvent) => {
+    e.preventDefault();
+  };
+
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
     setLoading(true);
@@ -35,7 +79,6 @@ const Login: React.FC = () => {
         message: `Willkommen zurück!`
       });
       
-      // Navigiere zur Startseite
       navigate('/');
       
     } catch (error: any) {
@@ -50,7 +93,6 @@ const Login: React.FC = () => {
     }
   };
 
-  // Wenn bereits eingeloggt, zeige Ladeanzeige
   if (user) {
     return (
       <div style={{ textAlign: 'center', padding: '40px' }}>
@@ -77,7 +119,7 @@ const Login: React.FC = () => {
       }}>
         <h2 style={{ textAlign: 'center', marginBottom: '30px' }}>Anmeldung</h2>
         
-        <div style={{ marginBottom: '20px' }}>
+        <div style={{ marginBottom: '20px', width: '100%' }}>
           <label style={{ display: 'block', marginBottom: '8px', fontWeight: 'bold' }}>
             E-Mail
           </label>
@@ -87,7 +129,7 @@ const Login: React.FC = () => {
             onChange={(e) => setEmail(e.target.value)}
             required
             style={{
-              width: '100%',
+              width: '94.5%',
               padding: '10px',
               border: '1px solid #ddd',
               borderRadius: '4px',
@@ -97,24 +139,57 @@ const Login: React.FC = () => {
           />
         </div>
 
-        <div style={{ marginBottom: '30px' }}>
+        <div style={{ marginBottom: '30px', width: '100%' }}>
           <label style={{ display: 'block', marginBottom: '8px', fontWeight: 'bold' }}>
             Passwort
           </label>
+          <div style={{ position: 'relative' }}>
             <input
-            type="password"
+              ref={passwordInputRef}
+              type={showPassword ? 'text' : 'password'}
               value={password}
               onChange={(e) => setPassword(e.target.value)}
               required
               style={{
-              width: '100%',
+                width: '94.5%',
                 padding: '10px',
+                paddingRight: '10px',
                 border: '1px solid #ddd',
                 borderRadius: '4px',
                 fontSize: '16px'
               }}
               placeholder="Ihr Passwort"
             />
+            <button
+              type="button"
+              onMouseDown={handleMouseDown}
+              onMouseUp={handleMouseUp}
+              onMouseLeave={handleMouseUp} // Handle mouse leaving while pressed
+              onTouchStart={handleTouchStart}
+              onTouchEnd={handleTouchEnd}
+              onTouchCancel={handleTouchEnd} // Handle touch cancellation
+              onContextMenu={handleContextMenu}
+              style={{
+                position: 'absolute',
+                right: '10px',
+                top: '50%',
+                transform: 'translateY(-50%)',
+                background: 'none',
+                border: 'none',
+                cursor: 'pointer',
+                padding: '1px',
+                borderRadius: '1px',
+                backgroundColor: showPassword ? '#e0e0e0' : 'transparent',
+                transition: 'background-color 0.2s',
+                userSelect: 'none',
+                WebkitUserSelect: 'none',
+                touchAction: 'manipulation'
+              }}
+              title="Gedrückt halten zum Anzeigen des Passworts"
+            >
+              {showPassword ? '👁' : '👁'}
+            </button>
+          </div>
         </div>
 
         <button
@@ -123,7 +198,7 @@ const Login: React.FC = () => {
           style={{
             width: '100%',
             padding: '12px',
-            backgroundColor: loading ? '#ccc' : '#007bff',
+            backgroundColor: loading ? '#ccc' : '#51258f',
             color: 'white',
             border: 'none',
             borderRadius: '4px',

frontend/src/pages/Help/Help.tsx

@@ -1,80 +1,45 @@
 // frontend/src/pages/Help/Help.tsx
-import React, { useState, useEffect } from 'react';
+import React from 'react';
 
 const Help: React.FC = () => {
-  const [currentStage, setCurrentStage] = useState(0);
-  const [isAnimating, setIsAnimating] = useState(false);
-
-  const algorithmStages = [
-    {
-      title: "📊 Phase A: Reguläre Mitarbeiterplanung",
-      description: "Zuweisung aller Mitarbeiter außer Manager",
-      steps: [
-        "Grundabdeckung: Mindestens 1 Mitarbeiter pro Schicht",
-        "Erfahrene Mitarbeiter werden bevorzugt",
-        "Verhindere 'Neu allein' Situationen",
-        "Fülle Schichten bis zur Zielbesetzung"
-      ],
-      color: "#3498db"
-    },
-    {
-      title: "👑 Phase B: Manager-Einfügung",
-      description: "Manager wird seinen bevorzugten Schichten zugewiesen",
-      steps: [
-        "Manager wird festen Schichten zugewiesen",
-        "Erfahrene Mitarbeiter werden zu Manager-Schichten hinzugefügt",
-        "Bei Problemen: Austausch oder Bewegung von Mitarbeitern",
-        "Fallback: Nicht-erfahrene als Backup"
-      ],
-      color: "#e74c3c"
-    },
-    {
-      title: "🔧 Phase C: Reparatur & Validierung",
-      description: "Probleme erkennen und automatisch beheben",
-      steps: [
-        "Überbesetzte erfahrene Mitarbeiter identifizieren",
-        "Mitarbeiter-Pool für Neuverteilung erstellen",
-        "Priorisierte Zuweisung zu Problem-Schichten",
-        "Finale Validierung aller Geschäftsregeln"
-      ],
-      color: "#2ecc71"
-    },
-    {
-      title: "✅ Finale Prüfung",
-      description: "Zusammenfassung und Freigabe",
-      steps: [
-        "Reparatur-Bericht generieren",
-        "Kritische vs. nicht-kritische Probleme klassifizieren",
-        "Veröffentlichungsstatus bestimmen",
-        "Benutzerfreundliche Zusammenfassung anzeigen"
-      ],
-      color: "#f39c12"
-    }
-  ];
-
   const businessRules = [
-    { rule: "Manager darf nicht allein arbeiten", critical: true },
+    { rule: "Mitarbeiter werden nur Schichten zugewiesen, für die sie sich eingetragen haben", critical: true },
-    { rule: "Erfahrene mit canWorkAlone: false dürfen nicht allein arbeiten", critical: true },
+    { rule: "Maximal 1 Schicht pro Tag pro Mitarbeiter", critical: true },
-    { rule: "Keine leeren Schichten", critical: true },
+    { rule: "Schichten haben Mindest- und Maximalkapazitäten", critical: true },
-    { rule: "Keine 'Neu allein' Situationen", critical: true },
+    { rule: "Trainees benötigen erfahrene Begleitung in jeder Schicht", critical: true },
-    { rule: "Manager sollte mit erfahrenem Mitarbeiter arbeiten", critical: false },
+    { rule: "Mitarbeiter, die nicht alleine arbeiten können, müssen Begleitung haben", critical: true },
-    { rule: "Vertragslimits einhalten", critical: true },
+    { rule: "Vertragslimits: Klein=1 Schicht/Woche, Groß=2 Schichten/Woche", critical: true },
-    { rule: "Nicht zu viele erfahrene Mitarbeiter in einer Schicht", critical: false }
+    { rule: "Manager werden automatisch ihren bevorzugten Schichten zugewiesen", critical: false }
   ];
 
-  useEffect(() => {
+  const schedulingStages = [
-    const interval = setInterval(() => {
+    {
-      if (isAnimating) {
+      title: "1. Verfügbarkeitsprüfung",
-        setCurrentStage((prev) => (prev + 1) % algorithmStages.length);
+      description: "Nur Mitarbeiter, die sich für Schichten eingetragen haben (Verfügbarkeit 1 oder 2), werden berücksichtigt."
+    },
+    {
+      title: "2. Modellaufbau",
+      description: "Das System erstellt ein mathematisches Modell mit allen Variablen und Constraints."
+    },
+    {
+      title: "3. CP-SAT Optimierung", 
+      description: "Google's Constraint Programming Solver findet die beste Zuordnung unter allen Regeln."
+    },
+    {
+      title: "4. Manager-Zuweisung",
+      description: "Manager werden automatisch ihren Wunschschichten (Verfügbarkeit 1) zugeordnet."
+    },
+    {
+      title: "5. Validierung",
+      description: "Die Lösung wird auf Regelverletzungen geprüft und ein Bericht generiert."
     }
-    }, 3000);
+  ];
 
-    return () => clearInterval(interval);
+  const preferenceLevels = [
-  }, [isAnimating]);
+    { level: 1, label: "Bevorzugt", description: "Mitarbeiter möchte diese Schicht unbedingt arbeiten", color: "#27ae60" },
-
+    { level: 2, label: "Verfügbar", description: "Mitarbeiter ist verfügbar für diese Schicht", color: "#f39c12" },
-  const toggleAnimation = () => {
+    { level: 3, label: "Nicht verfügbar", description: "Mitarbeiter kann diese Schicht nicht arbeiten", color: "#e74c3c" }
-    setIsAnimating(!isAnimating);
+  ];
-  };
 
   return (
     <div style={{ padding: '20px', maxWidth: '1200px', margin: '0 auto' }}>
@@ -89,7 +54,7 @@ const Help: React.FC = () => {
         boxShadow: '0 4px 6px rgba(0,0,0,0.1)',
         border: '1px solid #e0e0e0'
       }}>
-        <h2 style={{ color: '#2c3e50', marginBottom: '20px' }}>📋 Validierungs Regeln</h2>
+        <h2 style={{ color: '#2c3e50', marginBottom: '20px' }}>📋 Geschäftsregeln</h2>
         <div style={{ display: 'grid', gap: '10px' }}>
           {businessRules.map((rule, index) => (
             <div
@@ -120,14 +85,14 @@ const Help: React.FC = () => {
                 color: rule.critical ? '#e74c3c' : '#f39c12',
                 fontWeight: 'bold'
               }}>
-                {rule.critical ? 'KRITISCH' : 'WARNUNG'}
+                {rule.critical ? 'HART' : 'WEICH'}
               </span>
             </div>
           ))}
         </div>
       </div>
 
-      {/* Algorithm Explanation */}
+      {/* Scheduling Process */}
       <div style={{ 
         backgroundColor: 'white', 
         borderRadius: '12px', 
@@ -136,45 +101,125 @@ const Help: React.FC = () => {
         boxShadow: '0 4px 6px rgba(0,0,0,0.1)',
         border: '1px solid #e0e0e0'
       }}>
-        <h2 style={{ color: '#2c3e50', marginBottom: '20px' }}>🎯 Wie der Algorithmus funktioniert</h2>
+        <h2 style={{ color: '#2c3e50', marginBottom: '20px' }}>⚙️ Scheduling-Prozess</h2>
         
-        <div style={{ display: 'grid', gridTemplateColumns: 'repeat(auto-fit, minmax(300px, 1fr))', gap: '20px' }}>
+        <div style={{ display: 'grid', gap: '15px' }}>
+          {schedulingStages.map((stage, index) => (
+            <div key={index} style={{
+              padding: '20px',
+              backgroundColor: '#f8f9fa',
+              borderRadius: '8px',
+              border: '2px solid #e9ecef',
+              display: 'flex',
+              alignItems: 'flex-start'
+            }}>
+              <div style={{
+                backgroundColor: '#3498db',
+                color: 'white',
+                borderRadius: '50%',
+                width: '30px',
+                height: '30px',
+                display: 'flex',
+                alignItems: 'center',
+                justifyContent: 'center',
+                fontWeight: 'bold',
+                marginRight: '15px',
+                flexShrink: 0
+              }}>
+                {index + 1}
+              </div>
               <div>
-            <h4 style={{ color: '#3498db' }}>🏗️ Phasen-basierter Ansatz</h4>
+                <h4 style={{ color: '#2c3e50', margin: '0 0 8px 0' }}>{stage.title}</h4>
-            <p>Der Algorithmus arbeitet in klar definierten Phasen, um komplexe Probleme schrittweise zu lösen und Stabilität zu gewährleisten.</p>
+                <p style={{ color: '#6c757d', margin: 0 }}>{stage.description}</p>
+              </div>
+            </div>
+          ))}
+        </div>
+      </div>
+
+      {/* Preference Levels */}
+      <div style={{ 
+        backgroundColor: 'white', 
+        borderRadius: '12px', 
+        padding: '30px', 
+        marginTop: '20px',
+        boxShadow: '0 4px 6px rgba(0,0,0,0.1)',
+        border: '1px solid #e0e0e0'
+      }}>
+        <h2 style={{ color: '#2c3e50', marginBottom: '20px' }}>🎯 Verfügbarkeits-Level</h2>
+        
+        <div style={{ display: 'grid', gap: '12px' }}>
+          {preferenceLevels.map((pref) => (
+            <div key={pref.level} style={{
+              padding: '15px',
+              backgroundColor: `${pref.color}15`,
+              border: `2px solid ${pref.color}`,
+              borderRadius: '8px',
+              display: 'flex',
+              alignItems: 'center'
+            }}>
+              <div style={{
+                backgroundColor: pref.color,
+                color: 'white',
+                borderRadius: '6px',
+                padding: '8px 12px',
+                fontWeight: 'bold',
+                marginRight: '15px',
+                minWidth: '120px',
+                textAlign: 'center'
+              }}>
+                Level {pref.level}: {pref.label}
+              </div>
+              <span style={{ color: '#2c3e50' }}>{pref.description}</span>
+            </div>
+          ))}
+        </div>
+      </div>
+
+      {/* Tips */}
+      <div style={{ 
+        marginTop: '25px',
+        padding: '25px',
+        backgroundColor: '#e8f4fd',
+        borderRadius: '12px',
+        border: '2px solid #b8d4f0'
+      }}>
+        <h3 style={{ color: '#2980b9', marginTop: 0 }}>💡 Best Practices für erfolgreiches Scheduling</h3>
+        <div style={{ display: 'grid', gridTemplateColumns: 'repeat(auto-fit, minmax(300px, 1fr))', gap: '15px', marginTop: '15px' }}>
+          <div>
+            <h4 style={{ color: '#2980b9' }}>Vor dem Scheduling</h4>
+            <ul style={{ margin: 0, paddingLeft: '20px', color: '#2c3e50' }}>
+              <li>Stellen Sie sicher, dass alle Mitarbeiter ihre Verfügbarkeit eingetragen haben</li>
+              <li>Überprüfen Sie die Mitarbeiterprofile (Trainee/Erfahren, Alleinarbeit möglich)</li>
+              <li>Bestätigen Sie die Vertragstypen und Schichtanforderungen</li>
+            </ul>
+          </div>
+          <div>
+            <h4 style={{ color: '#2980b9' }}>Nach dem Scheduling</h4>
+            <ul style={{ margin: 0, paddingLeft: '20px', color: '#2c3e50' }}>
+              <li>Prüfen Sie den Lösungsbericht auf Verletzungen</li>
+              <li>Kontrollieren Sie unterbesetzte Schichten</li>
+              <li>Validieren Sie Trainee-Betreuung und Alleinarbeits-Regeln</li>
+            </ul>
           </div>
         </div>
       </div>
 
+      {/* Technical Info */}
       <div style={{ 
         marginTop: '25px',
         padding: '20px',
-          backgroundColor: '#e8f4fd',
+        backgroundColor: '#fff3cd',
         borderRadius: '8px',
-          border: '1px solid #b8d4f0'
+        border: '1px solid #ffeaa7'
       }}>
-          <h4 style={{ color: '#2980b9', marginTop: 0 }}>💡 Tipps für beste Ergebnisse</h4>
+        <h4 style={{ color: '#856404', marginTop: 0 }}>🔧 Technische Informationen</h4>
-          <ul style={{ margin: 0, paddingLeft: '20px' }}>
+        <p style={{ color: '#856404', margin: 0 }}>
-            <li>Stellen Sie sicher, dass alle Mitarbeiter ihre Verfügbarkeit eingetragen haben</li>
+          <strong>Lösungsalgorithmus:</strong> Google OR-Tools CP-SAT Solver • 
-            <li>Überprüfen Sie die Vertragstypen (klein = 1 Schicht/Woche, groß = 2 Schichten/Woche)</li>
+          <strong> Fallback:</strong> TypeScript-basierter Solver • 
-            <li>Markieren Sie erfahrene Mitarbeiter, die alleine arbeiten können</li>
+          <strong> Maximale Laufzeit:</strong> 105 Sekunden
-            <li>Planen Sie Manager-Verfügbarkeit im Voraus</li>
+        </p>
-          </ul>
       </div>
-
-      <style>{`
-        @keyframes pulse {
-          0% { transform: scale(1); }
-          50% { transform: scale(1.02); }
-          100% { transform: scale(1); }
-        }
-        
-        @keyframes glow {
-          0% { box-shadow: 0 0 5px rgba(52, 152, 219, 0.5); }
-          50% { box-shadow: 0 0 20px rgba(52, 152, 219, 0.8); }
-          100% { box-shadow: 0 0 5px rgba(52, 152, 219, 0.5); }
-        }
-      `}</style>
     </div>
   );
 };

frontend/src/pages/Settings/Settings.tsx

@@ -1,5 +1,5 @@
-// frontend/src/pages/Settings/Settings.tsx
+// frontend/src/pages/Settings/Settings.tsx - UPDATED WITH NEW STYLES
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useRef } from 'react';
 import { useAuth } from '../../contexts/AuthContext';
 import { employeeService } from '../../services/employeeService';
 import { useNotification } from '../../contexts/NotificationContext';
@@ -27,6 +27,16 @@ const Settings: React.FC = () => {
     confirmPassword: ''
   });
 
+  // Password visibility states
+  const [showCurrentPassword, setShowCurrentPassword] = useState(false);
+  const [showNewPassword, setShowNewPassword] = useState(false);
+  const [showConfirmPassword, setShowConfirmPassword] = useState(false);
+
+  // Refs for timeout management
+  const currentPasswordTimeoutRef = useRef<NodeJS.Timeout | null>(null);
+  const newPasswordTimeoutRef = useRef<NodeJS.Timeout | null>(null);
+  const confirmPasswordTimeoutRef = useRef<NodeJS.Timeout | null>(null);
+
   useEffect(() => {
     if (currentUser) {
       setProfileForm({
@@ -36,6 +46,17 @@ const Settings: React.FC = () => {
     }
   }, [currentUser]);
 
+  // Cleanup timeouts on unmount
+  useEffect(() => {
+    return () => {
+      [currentPasswordTimeoutRef, newPasswordTimeoutRef, confirmPasswordTimeoutRef].forEach(ref => {
+        if (ref.current) {
+          clearTimeout(ref.current);
+        }
+      });
+    };
+  }, []);
+
   const handleProfileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     const { name, value } = e.target;
     setProfileForm(prev => ({
@@ -52,6 +73,67 @@ const Settings: React.FC = () => {
     }));
   };
 
+  // Password visibility handlers for current password
+  const handleCurrentPasswordMouseDown = () => {
+    currentPasswordTimeoutRef.current = setTimeout(() => {
+      setShowCurrentPassword(true);
+    }, 300);
+  };
+
+  const handleCurrentPasswordMouseUp = () => {
+    if (currentPasswordTimeoutRef.current) {
+      clearTimeout(currentPasswordTimeoutRef.current);
+      currentPasswordTimeoutRef.current = null;
+    }
+    setShowCurrentPassword(false);
+  };
+
+  // Password visibility handlers for new password
+  const handleNewPasswordMouseDown = () => {
+    newPasswordTimeoutRef.current = setTimeout(() => {
+      setShowNewPassword(true);
+    }, 300);
+  };
+
+  const handleNewPasswordMouseUp = () => {
+    if (newPasswordTimeoutRef.current) {
+      clearTimeout(newPasswordTimeoutRef.current);
+      newPasswordTimeoutRef.current = null;
+    }
+    setShowNewPassword(false);
+  };
+
+  // Password visibility handlers for confirm password
+  const handleConfirmPasswordMouseDown = () => {
+    confirmPasswordTimeoutRef.current = setTimeout(() => {
+      setShowConfirmPassword(true);
+    }, 300);
+  };
+
+  const handleConfirmPasswordMouseUp = () => {
+    if (confirmPasswordTimeoutRef.current) {
+      clearTimeout(confirmPasswordTimeoutRef.current);
+      confirmPasswordTimeoutRef.current = null;
+    }
+    setShowConfirmPassword(false);
+  };
+
+  // Touch event handlers
+  const handleTouchStart = (setter: () => void) => (e: React.TouchEvent) => {
+    e.preventDefault();
+    setter();
+  };
+
+  const handleTouchEnd = (cleanup: () => void) => (e: React.TouchEvent) => {
+    e.preventDefault();
+    cleanup();
+  };
+
+  // Prevent context menu
+  const handleContextMenu = (e: React.MouseEvent) => {
+    e.preventDefault();
+  };
+
   const handleProfileUpdate = async (e: React.FormEvent) => {
     e.preventDefault();
     if (!currentUser) return;
@@ -180,11 +262,6 @@ const Settings: React.FC = () => {
     );
   }
 
-  // Get full name for display
-  const getFullName = () => {
-    return `${currentUser.firstname || ''} ${currentUser.lastname || ''}`.trim();
-  };
-
   return (
     <div style={styles.container}>
       {/* Left Sidebar with Tabs */}
@@ -443,17 +520,19 @@ const Settings: React.FC = () => {
             
             <form onSubmit={handlePasswordUpdate} style={{ marginTop: '2rem' }}>
               <div style={styles.formGridCompact}>
+                {/* Current Password Field */}
                 <div style={styles.field}>
                   <label style={styles.fieldLabel}>
                     Aktuelles Passwort *
                   </label>
+                  <div style={styles.fieldInputContainer}>
                     <input
-                    type="password"
+                      type={showCurrentPassword ? 'text' : 'password'}
                       name="currentPassword"
                       value={passwordForm.currentPassword}
                       onChange={handlePasswordChange}
                       required
-                    style={styles.fieldInput}
+                      style={styles.fieldInputWithIcon}
                       placeholder="Aktuelles Passwort"
                       onFocus={(e) => {
                         e.target.style.borderColor = '#1a1325';
@@ -464,20 +543,40 @@ const Settings: React.FC = () => {
                         e.target.style.boxShadow = 'none';
                       }}
                     />
+                    <button
+                      type="button"
+                      onMouseDown={handleCurrentPasswordMouseDown}
+                      onMouseUp={handleCurrentPasswordMouseUp}
+                      onMouseLeave={handleCurrentPasswordMouseUp}
+                      onTouchStart={handleTouchStart(handleCurrentPasswordMouseDown)}
+                      onTouchEnd={handleTouchEnd(handleCurrentPasswordMouseUp)}
+                      onTouchCancel={handleTouchEnd(handleCurrentPasswordMouseUp)}
+                      onContextMenu={handleContextMenu}
+                      style={{
+                        ...styles.passwordToggleButton,
+                        backgroundColor: showCurrentPassword ? 'rgba(26, 19, 37, 0.1)' : 'transparent'
+                      }}
+                      title="Gedrückt halten zum Anzeigen des Passworts"
+                    >
+                      {showCurrentPassword ? '👁' : '👁'}
+                    </button>
+                  </div>
                 </div>
 
+                {/* New Password Field */}
                 <div style={styles.field}>
                   <label style={styles.fieldLabel}>
                     Neues Passwort *
                   </label>
+                  <div style={styles.fieldInputContainer}>
                     <input
-                    type="password"
+                      type={showNewPassword ? 'text' : 'password'}
                       name="newPassword"
                       value={passwordForm.newPassword}
                       onChange={handlePasswordChange}
                       required
                       minLength={6}
-                    style={styles.fieldInput}
+                      style={styles.fieldInputWithIcon}
                       placeholder="Mindestens 6 Zeichen"
                       onFocus={(e) => {
                         e.target.style.borderColor = '#1a1325';
@@ -488,22 +587,42 @@ const Settings: React.FC = () => {
                         e.target.style.boxShadow = 'none';
                       }}
                     />
+                    <button
+                      type="button"
+                      onMouseDown={handleNewPasswordMouseDown}
+                      onMouseUp={handleNewPasswordMouseUp}
+                      onMouseLeave={handleNewPasswordMouseUp}
+                      onTouchStart={handleTouchStart(handleNewPasswordMouseDown)}
+                      onTouchEnd={handleTouchEnd(handleNewPasswordMouseUp)}
+                      onTouchCancel={handleTouchEnd(handleNewPasswordMouseUp)}
+                      onContextMenu={handleContextMenu}
+                      style={{
+                        ...styles.passwordToggleButton,
+                        backgroundColor: showNewPassword ? 'rgba(26, 19, 37, 0.1)' : 'transparent'
+                      }}
+                      title="Gedrückt halten zum Anzeigen des Passworts"
+                    >
+                      {showNewPassword ? '👁' : '👁'}
+                    </button>
+                  </div>
                   <div style={styles.fieldHint}>
                     Das Passwort muss mindestens 6 Zeichen lang sein.
                   </div>
                 </div>
 
+                {/* Confirm Password Field */}
                 <div style={styles.field}>
                   <label style={styles.fieldLabel}>
                     Neues Passwort bestätigen *
                   </label>
+                  <div style={styles.fieldInputContainer}>
                     <input
-                    type="password"
+                      type={showConfirmPassword ? 'text' : 'password'}
                       name="confirmPassword"
                       value={passwordForm.confirmPassword}
                       onChange={handlePasswordChange}
                       required
-                    style={styles.fieldInput}
+                      style={styles.fieldInputWithIcon}
                       placeholder="Passwort wiederholen"
                       onFocus={(e) => {
                         e.target.style.borderColor = '#1a1325';
@@ -514,6 +633,24 @@ const Settings: React.FC = () => {
                         e.target.style.boxShadow = 'none';
                       }}
                     />
+                    <button
+                      type="button"
+                      onMouseDown={handleConfirmPasswordMouseDown}
+                      onMouseUp={handleConfirmPasswordMouseUp}
+                      onMouseLeave={handleConfirmPasswordMouseUp}
+                      onTouchStart={handleTouchStart(handleConfirmPasswordMouseDown)}
+                      onTouchEnd={handleTouchEnd(handleConfirmPasswordMouseUp)}
+                      onTouchCancel={handleTouchEnd(handleConfirmPasswordMouseUp)}
+                      onContextMenu={handleContextMenu}
+                      style={{
+                        ...styles.passwordToggleButton,
+                        backgroundColor: showConfirmPassword ? 'rgba(26, 19, 37, 0.1)' : 'transparent'
+                      }}
+                      title="Gedrückt halten zum Anzeigen des Passworts"
+                    >
+                      {showConfirmPassword ? '👁' : '👁'}
+                    </button>
+                  </div>
                 </div>
               </div>
 

frontend/src/pages/Settings/type/SettingsType.tsx

@@ -1,3 +1,4 @@
+// frontend/src/pages/Settings/type/SettingsType.tsx - CORRECTED
 export const styles = {
     container: {
       display: 'flex',
@@ -121,11 +122,17 @@
       display: 'flex',
       flexDirection: 'column' as const,
       gap: '0.5rem',
+      width: '100%',
     },
     fieldLabel: {
       fontSize: '0.9rem',
       fontWeight: 600,
       color: '#161718',
+      width: '100%',
+    },
+    fieldInputContainer: {
+      position: 'relative' as const,
+      width: '100%',
     },
     fieldInput: {
       padding: '0.875rem 1rem',
@@ -135,6 +142,20 @@
       background: '#FBFAF6',
       transition: 'all 0.3s cubic-bezier(0.4, 0, 0.2, 1)',
       color: '#161718',
+      width: '100%',
+      boxSizing: 'border-box' as const,
+    },
+    fieldInputWithIcon: {
+      padding: '0.875rem 1rem',
+      border: '1.5px solid #e8e8e8',
+      borderRadius: '8px',
+      fontSize: '0.95rem',
+      background: '#FBFAF6',
+      transition: 'all 0.3s cubic-bezier(0.4, 0, 0.2, 1)',
+      color: '#161718',
+      width: '100%',
+      paddingRight: '40px',
+      boxSizing: 'border-box' as const,
     },
     fieldInputDisabled: {
       padding: '0.875rem 1rem',
@@ -144,11 +165,29 @@
       background: 'rgba(26, 19, 37, 0.05)',
       color: '#666',
       cursor: 'not-allowed',
+      width: '100%',
+      boxSizing: 'border-box' as const,
     },
     fieldHint: {
       fontSize: '0.8rem',
       color: '#888',
       marginTop: '0.25rem',
+      width: '100%',
+    },
+    passwordToggleButton: {
+      position: 'absolute' as const,
+      right: '10px',
+      top: '50%',
+      transform: 'translateY(-50%)',
+      background: 'none',
+      border: 'none',
+      cursor: 'pointer',
+      padding: '5px',
+      borderRadius: '4px',
+      transition: 'background-color 0.2s',
+      userSelect: 'none' as const,
+      WebkitUserSelect: 'none' as const,
+      touchAction: 'manipulation' as const,
     },
     actions: {
       display: 'flex',

frontend/src/pages/Setup/Setup.tsx

@@ -2,6 +2,8 @@
 import React, { useState } from 'react';
 import { useAuth } from '../../contexts/AuthContext';
 
+const API_BASE_URL = '/api';
+
 const Setup: React.FC = () => {
   const [step, setStep] = useState(1);
   const [formData, setFormData] = useState({
@@ -73,7 +75,7 @@ const Setup: React.FC = () => {
 
       console.log('🚀 Sending setup request...', payload);
 
-      const response = await fetch('http://localhost:3002/api/setup/admin', {
+      const response = await fetch(`${API_BASE_URL}/setup/admin`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',

frontend/src/services/authService.ts

@@ -1,6 +1,6 @@
 // frontend/src/services/authService.ts
 import { Employee } from '../models/Employee';
-const API_BASE = 'http://localhost:3002/api';
+const API_BASE = process.env.REACT_APP_API_BASE_URL || '/api';
 
 export interface LoginRequest {
   email: string;

frontend/src/services/employeeService.ts

@@ -1,7 +1,7 @@
 // frontend/src/services/employeeService.ts
 import { Employee, CreateEmployeeRequest, UpdateEmployeeRequest, EmployeeAvailability } from '../models/Employee';
 
-const API_BASE_URL = 'http://localhost:3002/api';
+const API_BASE_URL = '/api';
 
 const getAuthHeaders = () => {
   const token = localStorage.getItem('token');

frontend/src/services/shiftAssignmentService.ts

@@ -4,9 +4,7 @@ import { Employee, EmployeeAvailability } from '../models/Employee';
 import { authService } from './authService';
 import { AssignmentResult, ScheduleRequest } from '../models/scheduling';
 
-const API_BASE_URL = 'http://localhost:3002/api';
+const API_BASE_URL = '/api';
-
-
 
 // Helper function to get auth headers
 const getAuthHeaders = () => {

frontend/src/services/shiftPlanService.ts

@@ -3,7 +3,7 @@ import { authService } from './authService';
 import { ShiftPlan, CreateShiftPlanRequest, ScheduledShift, CreateShiftFromTemplateRequest } from '../models/ShiftPlan';
 import { TEMPLATE_PRESETS } from '../models/defaults/shiftPlanDefaults';  
 
-const API_BASE = 'http://localhost:3002/api/shift-plans';
+const API_BASE_URL = '/api/shift-plans';
 
 // Helper function to get auth headers
 const getAuthHeaders = () => {
@@ -25,7 +25,7 @@ const handleResponse = async (response: Response) => {
 
 export const shiftPlanService = {
   async getShiftPlans(): Promise<ShiftPlan[]> {
-    const response = await fetch(API_BASE, {
+    const response = await fetch(API_BASE_URL, {
       headers: {
         'Content-Type': 'application/json',
         ...authService.getAuthHeaders()
@@ -50,7 +50,7 @@ export const shiftPlanService = {
   },
 
   async getShiftPlan(id: string): Promise<ShiftPlan> {
-    const response = await fetch(`${API_BASE}/${id}`, {
+    const response = await fetch(`${API_BASE_URL}/${id}`, {
       headers: {
         'Content-Type': 'application/json',
         ...authService.getAuthHeaders()
@@ -69,7 +69,7 @@ export const shiftPlanService = {
   },
 
   async createShiftPlan(plan: CreateShiftPlanRequest): Promise<ShiftPlan> {
-    const response = await fetch(API_BASE, {
+    const response = await fetch(API_BASE_URL, {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
@@ -90,7 +90,7 @@ export const shiftPlanService = {
   },
 
   async updateShiftPlan(id: string, plan: Partial<ShiftPlan>): Promise<ShiftPlan> {
-    const response = await fetch(`${API_BASE}/${id}`, {
+    const response = await fetch(`${API_BASE_URL}/${id}`, {
       method: 'PUT',
       headers: {
         'Content-Type': 'application/json',
@@ -111,7 +111,7 @@ export const shiftPlanService = {
   },
 
   async deleteShiftPlan(id: string): Promise<void> {
-    const response = await fetch(`${API_BASE}/${id}`, {
+    const response = await fetch(`${API_BASE_URL}/${id}`, {
       method: 'DELETE',
       headers: {
         'Content-Type': 'application/json',
@@ -130,7 +130,7 @@ export const shiftPlanService = {
 
   // Get specific template or plan
   getTemplate: async (id: string): Promise<ShiftPlan> => {
-    const response = await fetch(`${API_BASE}/${id}`, {
+    const response = await fetch(`${API_BASE_URL}/${id}`, {
       headers: getAuthHeaders()
     });
     return handleResponse(response);
@@ -142,7 +142,7 @@ export const shiftPlanService = {
         console.log('🔄 Attempting to regenerate scheduled shifts...');
         
         // You'll need to add this API endpoint to your backend
-        const response = await fetch(`${API_BASE}/${planId}/regenerate-shifts`, {
+        const response = await fetch(`${API_BASE_URL}/${planId}/regenerate-shifts`, {
         method: 'POST',
         headers: {
             'Content-Type': 'application/json',
@@ -162,7 +162,7 @@ export const shiftPlanService = {
 
   // Create new plan
   createPlan: async (data: CreateShiftPlanRequest): Promise<ShiftPlan> => {
-    const response = await fetch(`${API_BASE}`, {
+    const response = await fetch(`${API_BASE_URL}`, {
       method: 'POST',
       headers: getAuthHeaders(),
       body: JSON.stringify(data),
@@ -177,7 +177,7 @@ export const shiftPlanService = {
     endDate: string;
     isTemplate?: boolean;
   }): Promise<ShiftPlan> => {
-    const response = await fetch(`${API_BASE}/from-preset`, {
+    const response = await fetch(`${API_BASE_URL}/from-preset`, {
       method: 'POST',
       headers: getAuthHeaders(),
       body: JSON.stringify(data),
@@ -204,7 +204,7 @@ export const shiftPlanService = {
     try {
       console.log('🔄 Clearing assignments for plan:', planId);
       
-      const response = await fetch(`${API_BASE}/${planId}/clear-assignments`, {
+      const response = await fetch(`${API_BASE_URL}/${planId}/clear-assignments`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',

package.json

@@ -0,0 +1,23 @@
+{
+  "name": "schichtenplaner-monorepo",
+  "private": true,
+  "workspaces": [
+    "frontend",
+    "backend", 
+    "premium"
+  ],
+  "scripts": {
+    "dev:frontend": "cd frontend && npm run dev",
+    "dev:backend": "cd backend && npm run dev",
+    "build:all": "npm run build:premium && npm run build:backend && npm run build:frontend",
+    "build:premium": "cd premium && npm run build",
+    "build:backend": "cd backend && npm run build",
+    "build:frontend": "cd frontend && npm run build",
+    "type-check": "npm run type-check:all",
+    "type-check:all": "cd premium && npx tsc --noEmit && cd ../backend && npx tsc --noEmit && cd ../frontend && npx tsc --noEmit",
+    "clean": "rm -rf premium/dist backend/dist frontend/dist"
+  },
+  "devDependencies": {
+    "typescript": "^5.3.3"
+  }
+}

tsconfig.base.json

@@ -0,0 +1,52 @@
+{
+  "compilerOptions": {
+    /* LANGUAGE AND ENVIRONMENT */
+    "target": "ES2022",
+    "lib": ["ES2022"],
+    
+    /* MODULES */
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "allowSyntheticDefaultImports": true,
+    "esModuleInterop": true,
+    "resolveJsonModule": true,
+    
+    /* TYPE CHECKING */
+    "strict": true,
+    "noImplicitAny": true,
+    "noImplicitReturns": true,
+    "noImplicitThis": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "exactOptionalPropertyTypes": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+    
+    /* EMIT */
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "removeComments": false,
+    
+    /* INTEROP CONSTRAINTS */
+    "allowJs": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    
+    /* COMPATIBILITY */
+    "isolatedModules": true,
+
+    "types": ["vite/client", "node"]
+  },
+  "include": [
+    "/premium/**/*"
+  ],
+  "exclude": [
+    "node_modules",
+    "dist",
+    "build",
+    "coverage",
+    "*.test.*",
+    "*.spec.*"
+  ]
+}