added init files

frontend/src/App.css

@@ -0,0 +1,38 @@
+.App {
+  text-align: center;
+}
+
+.App-logo {
+  height: 40vmin;
+  pointer-events: none;
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  .App-logo {
+    animation: App-logo-spin infinite 20s linear;
+  }
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #61dafb;
+}
+
+@keyframes App-logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}

frontend/src/App.test.tsx

@@ -0,0 +1,9 @@
+import React from 'react';
+import { render, screen } from '@testing-library/react';
+import App from './App';
+
+test('renders learn react link', () => {
+  render(<App />);
+  const linkElement = screen.getByText(/learn react/i);
+  expect(linkElement).toBeInTheDocument();
+});

frontend/src/App.tsx

@@ -0,0 +1,82 @@
+// frontend/src/App.tsx
+import React from 'react';
+import { BrowserRouter as Router, Routes, Route, Navigate } from 'react-router-dom';
+import { AuthProvider, useAuth } from './contexts/AuthContext';
+import Login from './pages/Auth/Login';
+import Dashboard from './pages/Dashboard/Dashboard';
+import ShiftTemplateList from './pages/ShiftTemplates/ShiftTemplateList';
+import ShiftTemplateEditor from './pages/ShiftTemplates/ShiftTemplateEditor';
+
+// Protected Route Component
+const ProtectedRoute: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const { user, loading } = useAuth();
+  
+  if (loading) {
+    return <div style={{ padding: '20px' }}>Lade...</div>;
+  }
+  
+  return user ? <>{children}</> : <Navigate to="/login" replace />;
+};
+
+const PublicRoute: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const { user, loading } = useAuth();
+  
+  if (loading) {
+    return <div style={{ padding: '20px' }}>Lade...</div>;
+  }
+  
+  return !user ? <>{children}</> : <Navigate to="/" replace />;
+};
+
+function AppRoutes() {
+  return (
+    <Routes>
+      {/* Public Route - nur für nicht eingeloggte User */}
+      <Route path="/login" element={
+        <PublicRoute>
+          <Login />
+        </PublicRoute>
+      } />
+      
+      {/* Protected Routes - nur für eingeloggte User */}
+      <Route path="/" element={
+        <ProtectedRoute>
+          <Dashboard />
+        </ProtectedRoute>
+      } />
+      
+      <Route path="/shift-templates" element={
+        <ProtectedRoute>
+          <ShiftTemplateList />
+        </ProtectedRoute>
+      } />
+      
+      <Route path="/shift-templates/new" element={
+        <ProtectedRoute>
+          <ShiftTemplateEditor />
+        </ProtectedRoute>
+      } />
+      
+      <Route path="/shift-templates/:id" element={
+        <ProtectedRoute>
+          <ShiftTemplateEditor />
+        </ProtectedRoute>
+      } />
+      
+      {/* Fallback Route */}
+      <Route path="*" element={<Navigate to="/" replace />} />
+    </Routes>
+  );
+}
+
+function App() {
+  return (
+    <AuthProvider>
+      <Router>
+        <AppRoutes />
+      </Router>
+    </AuthProvider>
+  );
+}
+
+export default App;

frontend/src/contexts/AuthContext.tsx

@@ -0,0 +1,69 @@
+// frontend/src/contexts/AuthContext.tsx
+import React, { createContext, useContext, useState, useEffect } from 'react';
+import { authService, User, LoginRequest, RegisterRequest } from '../services/authService';
+
+interface AuthContextType {
+  user: User | null;
+  login: (credentials: LoginRequest) => Promise<void>;
+  register: (userData: RegisterRequest) => Promise<void>;
+  logout: () => void;
+  hasRole: (roles: string[]) => boolean;
+  loading: boolean;
+}
+
+const AuthContext = createContext<AuthContextType | undefined>(undefined);
+
+export const AuthProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const [user, setUser] = useState<User | null>(null);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    // Beim Start User aus localStorage laden
+    const savedUser = authService.getCurrentUser();
+    if (savedUser) {
+      setUser(savedUser);
+    }
+    setLoading(false);
+  }, []);
+
+  const login = async (credentials: LoginRequest) => {
+    try {
+      const response = await authService.login(credentials);
+      setUser(response.user);
+    } catch (error) {
+      throw error;
+    }
+  };
+
+  const register = async (userData: RegisterRequest) => {
+    try {
+      const response = await authService.register(userData);
+      setUser(response.user);
+    } catch (error) {
+      throw error;
+    }
+  };
+
+  const logout = () => {
+    authService.logout();
+    setUser(null);
+  };
+
+  const hasRole = (roles: string[]) => {
+    return user ? roles.includes(user.role) : false;
+  };
+
+  return (
+    <AuthContext.Provider value={{ user, login, register, logout, hasRole, loading }}>
+      {children}
+    </AuthContext.Provider>
+  );
+};
+
+export const useAuth = () => {
+  const context = useContext(AuthContext);
+  if (context === undefined) {
+    throw new Error('useAuth must be used within an AuthProvider');
+  }
+  return context;
+};

frontend/src/index.css

@@ -0,0 +1,13 @@
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}

frontend/src/index.tsx

@@ -0,0 +1,19 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import './index.css';
+import App from './App';
+import reportWebVitals from './reportWebVitals';
+
+const root = ReactDOM.createRoot(
+  document.getElementById('root') as HTMLElement
+);
+root.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);
+
+// If you want to start measuring performance in your app, pass a function
+// to log results (for example: reportWebVitals(console.log))
+// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
+reportWebVitals();

frontend/src/logo.svg

@@ -0,0 +1 @@
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frontend/src/pages/Auth/Login.tsx

@@ -0,0 +1,109 @@
+// frontend/src/pages/Auth/Login.tsx
+import React, { useState } from 'react';
+import { useAuth } from '../../contexts/AuthContext';
+import { useNavigate } from 'react-router-dom';
+
+const Login: React.FC = () => {
+  const [email, setEmail] = useState('');
+  const [password, setPassword] = useState('');
+  const [error, setError] = useState('');
+  const [loading, setLoading] = useState(false);
+  
+  const { login, user } = useAuth();
+  const navigate = useNavigate();
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setError('');
+    setLoading(true);
+
+    try {
+      console.log('Versuche Login...');
+      await login({ email, password });
+      console.log('Login erfolgreich!', 'User:', user);
+      console.log('Navigiere zu /');
+      navigate('/', { replace: true });
+    } catch (err: any) {
+      console.error('Login Fehler:', err);
+      setError(err.message || 'Login fehlgeschlagen');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div style={{ 
+      maxWidth: '400px', 
+      margin: '100px auto', 
+      padding: '20px',
+      border: '1px solid #ddd',
+      borderRadius: '8px'
+    }}>
+      <h2>Anmelden</h2>
+      
+      {error && (
+        <div style={{ 
+          color: 'red', 
+          backgroundColor: '#ffe6e6',
+          padding: '10px',
+          borderRadius: '4px',
+          marginBottom: '15px'
+        }}>
+          {error}
+        </div>
+      )}
+
+      <form onSubmit={handleSubmit}>
+        <div style={{ marginBottom: '15px' }}>
+          <label style={{ display: 'block', marginBottom: '5px' }}>
+            E-Mail:
+          </label>
+          <input
+            type="email"
+            value={email}
+            onChange={(e) => setEmail(e.target.value)}
+            required
+            style={{ width: '100%', padding: '8px', border: '1px solid #ccc', borderRadius: '4px' }}
+          />
+        </div>
+
+        <div style={{ marginBottom: '15px' }}>
+          <label style={{ display: 'block', marginBottom: '5px' }}>
+            Passwort:
+          </label>
+          <input
+            type="password"
+            value={password}
+            onChange={(e) => setPassword(e.target.value)}
+            required
+            style={{ width: '100%', padding: '8px', border: '1px solid #ccc', borderRadius: '4px' }}
+          />
+        </div>
+
+        <button 
+          type="submit" 
+          disabled={loading}
+          style={{ 
+            width: '100%', 
+            padding: '10px', 
+            backgroundColor: loading ? '#ccc' : '#007bff',
+            color: 'white',
+            border: 'none',
+            borderRadius: '4px',
+            cursor: loading ? 'not-allowed' : 'pointer'
+          }}
+        >
+          {loading ? 'Anmeldung...' : 'Anmelden'}
+        </button>
+      </form>
+
+      <div style={{ marginTop: '15px', textAlign: 'center' }}>
+        <p>Test Account:</p>
+        <p><strong>Email:</strong> admin@schichtplan.de</p>
+        <p><strong>Passwort:</strong> admin123</p>
+      </div>
+    </div>
+  );
+};
+
+export default Login;

frontend/src/pages/Dashboard/Dashboard.tsx

@@ -0,0 +1,163 @@
+// frontend/src/pages/Dashboard/Dashboard.tsx
+import React from 'react';
+import { Link } from 'react-router-dom';
+import { useAuth } from '../../contexts/AuthContext';
+
+const Dashboard: React.FC = () => {
+  const { user, logout, hasRole } = useAuth();
+
+  return (
+    <div style={{ padding: '20px' }}>
+      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '30px' }}>
+        <h1>Schichtplan Dashboard</h1>
+        <div>
+          <span style={{ marginRight: '15px' }}>Eingeloggt als: <strong>{user?.name}</strong> ({user?.role})</span>
+          <button 
+            onClick={logout}
+            style={{ 
+              padding: '8px 16px', 
+              backgroundColor: '#dc3545', 
+              color: 'white', 
+              border: 'none', 
+              borderRadius: '4px' 
+            }}
+          >
+            Abmelden
+          </button>
+        </div>
+      </div>
+
+      {/* Admin/Instandhalter Funktionen */}
+      {hasRole(['admin', 'instandhalter']) && (
+        <div style={{ 
+          display: 'grid', 
+          gridTemplateColumns: 'repeat(auto-fit, minmax(250px, 1fr))', 
+          gap: '20px', 
+          marginBottom: '40px' 
+        }}>
+          <div style={{ 
+            border: '1px solid #007bff', 
+            padding: '20px', 
+            borderRadius: '8px',
+            backgroundColor: '#f8f9fa'
+          }}>
+            <h3>Schichtplan erstellen</h3>
+            <p>Neuen Schichtplan erstellen und verwalten</p>
+            <Link to="/shift-plans/new">
+              <button style={{ 
+                padding: '10px 20px', 
+                backgroundColor: '#007bff', 
+                color: 'white', 
+                border: 'none', 
+                borderRadius: '4px' 
+              }}>
+                Erstellen
+              </button>
+            </Link>
+          </div>
+
+          <div style={{ 
+            border: '1px solid #28a745', 
+            padding: '20px', 
+            borderRadius: '8px',
+            backgroundColor: '#f8f9fa'
+          }}>
+            <h3>Vorlagen verwalten</h3>
+            <p>Schichtplan Vorlagen erstellen und bearbeiten</p>
+            <Link to="/shift-templates">
+              <button style={{ 
+                padding: '10px 20px', 
+                backgroundColor: '#28a745', 
+                color: 'white', 
+                border: 'none', 
+                borderRadius: '4px' 
+              }}>
+                Verwalten
+              </button>
+            </Link>
+          </div>
+
+          {hasRole(['admin']) && (
+            <div style={{ 
+              border: '1px solid #6f42c1', 
+              padding: '20px', 
+              borderRadius: '8px',
+              backgroundColor: '#f8f9fa'
+            }}>
+              <h3>Benutzer verwalten</h3>
+              <p>Benutzerkonten erstellen und verwalten</p>
+              <Link to="/user-management">
+                <button style={{ 
+                  padding: '10px 20px', 
+                  backgroundColor: '#6f42c1', 
+                  color: 'white', 
+                  border: 'none', 
+                  borderRadius: '4px' 
+                }}>
+                  Verwalten
+                </button>
+              </Link>
+            </div>
+          )}
+        </div>
+      )}
+
+      {/* Aktuelle Schichtpläne */}
+      <div style={{ 
+        border: '1px solid #ddd', 
+        padding: '20px', 
+        borderRadius: '8px'
+      }}>
+        <h2>Aktuelle Schichtpläne</h2>
+        <div style={{ padding: '20px', textAlign: 'center', color: '#666' }}>
+          <p>Noch keine Schichtpläne vorhanden.</p>
+          {hasRole(['admin', 'instandhalter']) && (
+            <Link to="/shift-plans/new">
+              <button style={{ 
+                padding: '10px 20px', 
+                backgroundColor: '#007bff', 
+                color: 'white', 
+                border: 'none', 
+                borderRadius: '4px' 
+              }}>
+                Ersten Schichtplan erstellen
+              </button>
+            </Link>
+          )}
+        </div>
+      </div>
+
+      {/* Schnellzugriff für alle User */}
+      <div style={{ marginTop: '30px' }}>
+        <h3>Schnellzugriff</h3>
+        <div style={{ display: 'flex', gap: '10px', flexWrap: 'wrap' }}>
+          <Link to="/shift-templates">
+            <button style={{ 
+              padding: '8px 16px', 
+              border: '1px solid #007bff', 
+              backgroundColor: 'white', 
+              color: '#007bff',
+              borderRadius: '4px' 
+            }}>
+              Vorlagen ansehen
+            </button>
+          </Link>
+          
+          {hasRole(['user']) && (
+            <button style={{ 
+              padding: '8px 16px', 
+              border: '1px solid #28a745', 
+              backgroundColor: 'white', 
+              color: '#28a745',
+              borderRadius: '4px' 
+            }}>
+              Meine Schichten
+            </button>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default Dashboard;

frontend/src/pages/ShiftPlans/ShiftPlanCreate.tsx

@@ -0,0 +1,56 @@
+// frontend/src/pages/ShiftPlans/ShiftPlanCreate.tsx
+import React, { useState } from 'react';
+
+const ShiftPlanCreate: React.FC = () => {
+  const [planName, setPlanName] = useState('');
+  const [startDate, setStartDate] = useState('');
+  const [endDate, setEndDate] = useState('');
+  const [selectedTemplate, setSelectedTemplate] = useState('');
+
+  const handleCreate = async () => {
+    // API Call zum Erstellen
+  };
+
+  return (
+    <div>
+      <h1>Neuen Schichtplan erstellen</h1>
+      
+      <div>
+        <label>Plan Name:</label>
+        <input 
+          type="text" 
+          value={planName}
+          onChange={(e) => setPlanName(e.target.value)}
+        />
+      </div>
+
+      <div>
+        <label>Von:</label>
+        <input 
+          type="date" 
+          value={startDate}
+          onChange={(e) => setStartDate(e.target.value)}
+        />
+      </div>
+
+      <div>
+        <label>Bis:</label>
+        <input 
+          type="date" 
+          value={endDate}
+          onChange={(e) => setEndDate(e.target.value)}
+        />
+      </div>
+
+      <div>
+        <label>Vorlage verwenden:</label>
+        <select value={selectedTemplate} onChange={(e) => setSelectedTemplate(e.target.value)}>
+          <option value="">Keine Vorlage</option>
+          {/* Vorlagen laden */}
+        </select>
+      </div>
+
+      <button onClick={handleCreate}>Schichtplan erstellen</button>
+    </div>
+  );
+};

frontend/src/pages/ShiftTemplates/ShiftTemplateEditor.tsx

@@ -0,0 +1,189 @@
+// frontend/src/pages/ShiftTemplates/ShiftTemplateEditor.tsx
+import React, { useState, useEffect } from 'react';
+import { useParams, useNavigate } from 'react-router-dom';
+import { ShiftTemplate, TemplateShift, DEFAULT_DAYS } from '../../types/shiftTemplate';
+import { shiftTemplateService } from '../../services/shiftTemplateService';
+import ShiftDayEditor from './components/ShiftDayEditor';
+
+const defaultShift: Omit<TemplateShift, 'id'> = {
+  dayOfWeek: 1, // Montag
+  name: '',
+  startTime: '08:00',
+  endTime: '12:00',
+  requiredEmployees: 1,
+  color: '#3498db'
+};
+
+const ShiftTemplateEditor: React.FC = () => {
+  const { id } = useParams<{ id: string }>();
+  const navigate = useNavigate();
+  const isEditing = !!id;
+
+  const [template, setTemplate] = useState<Omit<ShiftTemplate, 'id' | 'createdAt' | 'createdBy'>>({
+    name: '',
+    description: '',
+    shifts: [],
+    isDefault: false
+  });
+  const [loading, setLoading] = useState(isEditing);
+  const [saving, setSaving] = useState(false);
+
+  useEffect(() => {
+    if (isEditing) {
+      loadTemplate();
+    }
+  }, [id]);
+
+  const loadTemplate = async () => {
+    try {
+      if (!id) return;
+      const data = await shiftTemplateService.getTemplate(id);
+      setTemplate({
+        name: data.name,
+        description: data.description,
+        shifts: data.shifts,
+        isDefault: data.isDefault
+      });
+    } catch (error) {
+      console.error('Fehler beim Laden:', error);
+      alert('Vorlage konnte nicht geladen werden');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleSave = async () => {
+    if (!template.name.trim()) {
+      alert('Bitte geben Sie einen Namen für die Vorlage ein');
+      return;
+    }
+
+    setSaving(true);
+    try {
+      if (isEditing && id) {
+        await shiftTemplateService.updateTemplate(id, template);
+      } else {
+        await shiftTemplateService.createTemplate(template);
+      }
+      navigate('/shift-templates');
+    } catch (error) {
+      console.error('Speichern fehlgeschlagen:', error);
+      alert('Fehler beim Speichern der Vorlage');
+    } finally {
+      setSaving(false);
+    }
+  };
+
+  const addShift = (dayOfWeek: number) => {
+    const newShift: TemplateShift = {
+      ...defaultShift,
+      id: Date.now().toString(),
+      dayOfWeek,
+      name: `Schicht ${template.shifts.filter(s => s.dayOfWeek === dayOfWeek).length + 1}`
+    };
+    
+    setTemplate(prev => ({
+      ...prev,
+      shifts: [...prev.shifts, newShift]
+    }));
+  };
+
+  const updateShift = (shiftId: string, updates: Partial<TemplateShift>) => {
+    setTemplate(prev => ({
+      ...prev,
+      shifts: prev.shifts.map(shift =>
+        shift.id === shiftId ? { ...shift, ...updates } : shift
+      )
+    }));
+  };
+
+  const removeShift = (shiftId: string) => {
+    setTemplate(prev => ({
+      ...prev,
+      shifts: prev.shifts.filter(shift => shift.id !== shiftId)
+    }));
+  };
+
+  if (loading) return <div>Lade Vorlage...</div>;
+
+  return (
+    <div style={{ padding: '20px', maxWidth: '1200px', margin: '0 auto' }}>
+      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '30px' }}>
+        <h1>{isEditing ? 'Vorlage bearbeiten' : 'Neue Vorlage erstellen'}</h1>
+        <div style={{ display: 'flex', gap: '10px' }}>
+          <button 
+            onClick={() => navigate('/shift-templates')}
+            style={{ padding: '10px 20px', border: '1px solid #6c757d', background: 'white', color: '#6c757d' }}
+          >
+            Abbrechen
+          </button>
+          <button 
+            onClick={handleSave}
+            disabled={saving}
+            style={{ padding: '10px 20px', backgroundColor: saving ? '#6c757d' : '#007bff', color: 'white', border: 'none' }}
+          >
+            {saving ? 'Speichern...' : 'Speichern'}
+          </button>
+        </div>
+      </div>
+
+      {/* Template Meta Information */}
+      <div style={{ marginBottom: '30px', padding: '20px', border: '1px solid #ddd', borderRadius: '8px' }}>
+        <div style={{ marginBottom: '15px' }}>
+          <label style={{ display: 'block', marginBottom: '5px', fontWeight: 'bold' }}>
+            Vorlagenname *
+          </label>
+          <input
+            type="text"
+            value={template.name}
+            onChange={(e) => setTemplate(prev => ({ ...prev, name: e.target.value }))}
+            style={{ width: '100%', padding: '8px', border: '1px solid #ccc', borderRadius: '4px' }}
+            placeholder="z.B. Standard Woche, Teilzeit Modell, etc."
+          />
+        </div>
+
+        <div style={{ marginBottom: '15px' }}>
+          <label style={{ display: 'block', marginBottom: '5px', fontWeight: 'bold' }}>
+            Beschreibung
+          </label>
+          <textarea
+            value={template.description || ''}
+            onChange={(e) => setTemplate(prev => ({ ...prev, description: e.target.value }))}
+            style={{ width: '100%', padding: '8px', border: '1px solid #ccc', borderRadius: '4px', minHeight: '60px' }}
+            placeholder="Beschreibung der Vorlage (optional)"
+          />
+        </div>
+
+        <div>
+          <label style={{ display: 'flex', alignItems: 'center', gap: '10px' }}>
+            <input
+              type="checkbox"
+              checked={template.isDefault}
+              onChange={(e) => setTemplate(prev => ({ ...prev, isDefault: e.target.checked }))}
+            />
+            Als Standardvorlage festlegen
+          </label>
+        </div>
+      </div>
+
+      {/* Schichten pro Tag */}
+      <div>
+        <h2 style={{ marginBottom: '20px' }}>Schichten pro Wochentag</h2>
+        <div style={{ display: 'grid', gap: '20px' }}>
+          {DEFAULT_DAYS.map(day => (
+            <ShiftDayEditor
+              key={day.id}
+              day={day}
+              shifts={template.shifts.filter(s => s.dayOfWeek === day.id)}
+              onAddShift={() => addShift(day.id)}
+              onUpdateShift={updateShift}
+              onRemoveShift={removeShift}
+            />
+          ))}
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default ShiftTemplateEditor;

frontend/src/pages/ShiftTemplates/ShiftTemplateList.tsx

@@ -0,0 +1,118 @@
+// frontend/src/pages/ShiftTemplates/ShiftTemplateList.tsx
+import React, { useState, useEffect } from 'react';
+import { Link } from 'react-router-dom';
+import { ShiftTemplate } from '../../types/shiftTemplate';
+import { shiftTemplateService } from '../../services/shiftTemplateService';
+import { useAuth } from '../../contexts/AuthContext';
+
+const ShiftTemplateList: React.FC = () => {
+  const [templates, setTemplates] = useState<ShiftTemplate[]>([]);
+  const [loading, setLoading] = useState(true);
+  const { hasRole } = useAuth();
+
+  useEffect(() => {
+    loadTemplates();
+  }, []);
+
+  const loadTemplates = async () => {
+    try {
+      const data = await shiftTemplateService.getTemplates();
+      setTemplates(data);
+    } catch (error) {
+      console.error('Fehler:', error);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleDelete = async (id: string) => {
+    if (!window.confirm('Vorlage wirklich löschen?')) return;
+    
+    try {
+      await shiftTemplateService.deleteTemplate(id);
+      setTemplates(templates.filter(t => t.id !== id));
+    } catch (error) {
+      console.error('Löschen fehlgeschlagen:', error);
+    }
+  };
+
+  if (loading) return <div>Lade Vorlagen...</div>;
+
+  return (
+    <div style={{ padding: '20px' }}>
+      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '20px' }}>
+        <h1>Schichtplan Vorlagen</h1>
+        {hasRole(['admin', 'instandhalter']) && (
+          <Link to="/shift-templates/new">
+            <button style={{ padding: '10px 20px', backgroundColor: '#007bff', color: 'white', border: 'none', borderRadius: '4px' }}>
+              Neue Vorlage
+            </button>
+          </Link>
+        )}
+      </div>
+
+      <div style={{ display: 'grid', gap: '15px' }}>
+        {templates.map(template => (
+          <div key={template.id} style={{ 
+            border: '1px solid #ddd', 
+            padding: '15px', 
+            borderRadius: '8px',
+            backgroundColor: '#f9f9f9'
+          }}>
+            <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
+              <div>
+                <h3 style={{ margin: '0 0 5px 0' }}>{template.name}</h3>
+                {template.description && (
+                  <p style={{ margin: '0 0 10px 0', color: '#666' }}>{template.description}</p>
+                )}
+                <div style={{ fontSize: '14px', color: '#888' }}>
+                  {template.shifts.length} Schichttypen • Erstellt am {new Date(template.createdAt).toLocaleDateString('de-DE')}
+                  {template.isDefault && <span style={{ color: 'green', marginLeft: '10px' }}>• Standard</span>}
+                </div>
+              </div>
+              
+              <div style={{ display: 'flex', gap: '10px' }}>
+                <Link to={`/shift-templates/${template.id}`}>
+                  <button style={{ padding: '5px 10px', border: '1px solid #007bff', color: '#007bff', background: 'white' }}>
+                    {hasRole(['admin', 'instandhalter']) ? 'Bearbeiten' : 'Ansehen'}
+                  </button>
+                </Link>
+                
+                {hasRole(['admin', 'instandhalter']) && (
+                  <>
+                    <Link to={`/shift-plans/new?template=${template.id}`}>
+                      <button style={{ padding: '5px 10px', backgroundColor: '#28a745', color: 'white', border: 'none' }}>
+                        Verwenden
+                      </button>
+                    </Link>
+                    <button 
+                      onClick={() => handleDelete(template.id)}
+                      style={{ padding: '5px 10px', backgroundColor: '#dc3545', color: 'white', border: 'none' }}
+                    >
+                      Löschen
+                    </button>
+                  </>
+                )}
+              </div>
+            </div>
+          </div>
+        ))}
+        
+        {templates.length === 0 && (
+          <div style={{ textAlign: 'center', padding: '40px', color: '#666' }}>
+            <p>Noch keine Vorlagen vorhanden.</p>
+            {hasRole(['admin', 'instandhalter']) && (
+              <Link to="/shift-templates/new">
+                <button style={{ padding: '10px 20px', backgroundColor: '#007bff', color: 'white', border: 'none', borderRadius: '4px' }}>
+                  Erste Vorlage erstellen
+                </button>
+              </Link>
+            )}
+          </div>
+        )}
+      </div>
+    </div>
+  );
+};
+
+export default ShiftTemplateList;

frontend/src/pages/ShiftTemplates/components/ShiftDayEditor.tsx

@@ -0,0 +1,112 @@
+// frontend/src/pages/ShiftTemplates/components/ShiftDayEditor.tsx
+import React from 'react';
+import { TemplateShift } from '../../../types/shiftTemplate';
+
+interface ShiftDayEditorProps {
+  day: { id: number; name: string };
+  shifts: TemplateShift[];
+  onAddShift: () => void;
+  onUpdateShift: (shiftId: string, updates: Partial<TemplateShift>) => void;
+  onRemoveShift: (shiftId: string) => void;
+}
+
+const ShiftDayEditor: React.FC<ShiftDayEditorProps> = ({
+  day,
+  shifts,
+  onAddShift,
+  onUpdateShift,
+  onRemoveShift
+}) => {
+  return (
+    <div style={{ border: '1px solid #e0e0e0', borderRadius: '8px', padding: '20px' }}>
+      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '15px' }}>
+        <h3 style={{ margin: 0 }}>{day.name}</h3>
+        <button
+          onClick={onAddShift}
+          style={{ padding: '8px 16px', backgroundColor: '#28a745', color: 'white', border: 'none', borderRadius: '4px' }}
+        >
+          Schicht hinzufügen
+        </button>
+      </div>
+
+      {shifts.length === 0 ? (
+        <div style={{ textAlign: 'center', padding: '20px', color: '#999', fontStyle: 'italic' }}>
+          Keine Schichten für {day.name}
+        </div>
+      ) : (
+        <div style={{ display: 'grid', gap: '15px' }}>
+          {shifts.map((shift, index) => (
+            <div key={shift.id} style={{ 
+              display: 'grid', 
+              gridTemplateColumns: '2fr 1fr 1fr 1fr auto',
+              gap: '10px',
+              alignItems: 'center',
+              padding: '15px',
+              border: '1px solid #f0f0f0',
+              borderRadius: '4px',
+              backgroundColor: '#fafafa'
+            }}>
+              {/* Schicht Name */}
+              <div>
+                <input
+                  type="text"
+                  value={shift.name}
+                  onChange={(e) => onUpdateShift(shift.id, { name: e.target.value })}
+                  placeholder="Schichtname"
+                  style={{ width: '100%', padding: '8px', border: '1px solid #ccc', borderRadius: '4px' }}
+                />
+              </div>
+
+              {/* Startzeit */}
+              <div>
+                <label style={{ fontSize: '12px', display: 'block', marginBottom: '2px' }}>Start</label>
+                <input
+                  type="time"
+                  value={shift.startTime}
+                  onChange={(e) => onUpdateShift(shift.id, { startTime: e.target.value })}
+                  style={{ width: '100%', padding: '8px', border: '1px solid #ccc', borderRadius: '4px' }}
+                />
+              </div>
+
+              {/* Endzeit */}
+              <div>
+                <label style={{ fontSize: '12px', display: 'block', marginBottom: '2px' }}>Ende</label>
+                <input
+                  type="time"
+                  value={shift.endTime}
+                  onChange={(e) => onUpdateShift(shift.id, { endTime: e.target.value })}
+                  style={{ width: '100%', padding: '8px', border: '1px solid #ccc', borderRadius: '4px' }}
+                />
+              </div>
+
+              {/* Benötigte Mitarbeiter */}
+              <div>
+                <label style={{ fontSize: '12px', display: 'block', marginBottom: '2px' }}>Mitarbeiter</label>
+                <input
+                  type="number"
+                  min="1"
+                  value={shift.requiredEmployees}
+                  onChange={(e) => onUpdateShift(shift.id, { requiredEmployees: parseInt(e.target.value) || 1 })}
+                  style={{ width: '100%', padding: '8px', border: '1px solid #ccc', borderRadius: '4px' }}
+                />
+              </div>
+
+              {/* Löschen Button */}
+              <div>
+                <button
+                  onClick={() => onRemoveShift(shift.id)}
+                  style={{ padding: '8px 12px', backgroundColor: '#dc3545', color: 'white', border: 'none', borderRadius: '4px' }}
+                  title="Schicht löschen"
+                >
+                  ×
+                </button>
+              </div>
+            </div>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+};
+
+export default ShiftDayEditor;

frontend/src/react-app-env.d.ts

@@ -0,0 +1 @@
+/// <reference types="react-scripts" />

frontend/src/reportWebVitals.ts

@@ -0,0 +1,15 @@
+import { ReportHandler } from 'web-vitals';
+
+const reportWebVitals = (onPerfEntry?: ReportHandler) => {
+  if (onPerfEntry && onPerfEntry instanceof Function) {
+    import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
+      getCLS(onPerfEntry);
+      getFID(onPerfEntry);
+      getFCP(onPerfEntry);
+      getLCP(onPerfEntry);
+      getTTFB(onPerfEntry);
+    });
+  }
+};
+
+export default reportWebVitals;

frontend/src/services/authService.ts

@@ -0,0 +1,100 @@
+// frontend/src/services/authService.ts
+const API_BASE = 'http://localhost:3001/api';
+
+export interface LoginRequest {
+  email: string;
+  password: string;
+}
+
+export interface RegisterRequest {
+  email: string;
+  password: string;
+  name: string;
+  role?: string;
+}
+
+export interface AuthResponse {
+  user: User;
+  token: string;
+  expiresIn: string;
+}
+
+export interface User {
+  id: string;
+  email: string;
+  name: string;
+  role: 'admin' | 'instandhalter' | 'user';
+  createdAt: string;
+}
+
+class AuthService {
+  private token: string | null = null;
+
+  async login(credentials: LoginRequest): Promise<AuthResponse> {
+    const response = await fetch(`${API_BASE}/auth/login`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(credentials)
+    });
+
+    if (!response.ok) {
+      throw new Error('Login fehlgeschlagen');
+    }
+
+    const data: AuthResponse = await response.json();
+    this.token = data.token;
+    localStorage.setItem('token', data.token);
+    localStorage.setItem('user', JSON.stringify(data.user));
+    
+    return data;
+  }
+
+  async register(userData: RegisterRequest): Promise<AuthResponse> {
+    const response = await fetch(`${API_BASE}/auth/register`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(userData)
+    });
+
+    if (!response.ok) {
+      throw new Error('Registrierung fehlgeschlagen');
+    }
+
+    const data: AuthResponse = await response.json();
+    this.token = data.token;
+    localStorage.setItem('token', data.token);
+    localStorage.setItem('user', JSON.stringify(data.user));
+    
+    return data;
+  }
+
+  logout(): void {
+    this.token = null;
+    localStorage.removeItem('token');
+    localStorage.removeItem('user');
+  }
+
+  getToken(): string | null {
+    if (!this.token) {
+      this.token = localStorage.getItem('token');
+    }
+    return this.token;
+  }
+
+  getCurrentUser(): User | null {
+    const userStr = localStorage.getItem('user');
+    return userStr ? JSON.parse(userStr) : null;
+  }
+
+  isAuthenticated(): boolean {
+    return this.getToken() !== null;
+  }
+
+  // Für API Calls mit Authentication
+  getAuthHeaders(): HeadersInit {
+    const token = this.getToken();
+    return token ? { 'Authorization': `Bearer ${token}` } : {};
+  }
+}
+
+export const authService = new AuthService();

frontend/src/services/shiftTemplateService.ts

@@ -0,0 +1,104 @@
+// frontend/src/services/shiftTemplateService.ts
+import { ShiftTemplate, TemplateShift } from '../types/shiftTemplate';
+import { authService } from './authService';
+
+const API_BASE = 'http://localhost:3001/api/shift-templates';
+
+export const shiftTemplateService = {
+  async getTemplates(): Promise<ShiftTemplate[]> {
+    const response = await fetch(API_BASE, {
+      headers: {
+        'Content-Type': 'application/json',
+        ...authService.getAuthHeaders()
+      }
+    });
+    
+    if (!response.ok) {
+      if (response.status === 401) {
+        authService.logout();
+        throw new Error('Nicht authorisiert - bitte erneut anmelden');
+      }
+      throw new Error('Fehler beim Laden der Vorlagen');
+    }
+    
+    return response.json();
+  },
+
+  async getTemplate(id: string): Promise<ShiftTemplate> {
+    const response = await fetch(`${API_BASE}/${id}`, {
+      headers: {
+        'Content-Type': 'application/json',
+        ...authService.getAuthHeaders()
+      }
+    });
+    
+    if (!response.ok) {
+      if (response.status === 401) {
+        authService.logout();
+        throw new Error('Nicht authorisiert - bitte erneut anmelden');
+      }
+      throw new Error('Vorlage nicht gefunden');
+    }
+    
+    return response.json();
+  },
+
+  async createTemplate(template: Omit<ShiftTemplate, 'id' | 'createdAt' | 'createdBy'>): Promise<ShiftTemplate> {
+    const response = await fetch(API_BASE, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        ...authService.getAuthHeaders()
+      },
+      body: JSON.stringify(template)
+    });
+    
+    if (!response.ok) {
+      if (response.status === 401) {
+        authService.logout();
+        throw new Error('Nicht authorisiert - bitte erneut anmelden');
+      }
+      throw new Error('Fehler beim Erstellen der Vorlage');
+    }
+    
+    return response.json();
+  },
+
+  async updateTemplate(id: string, template: Partial<ShiftTemplate>): Promise<ShiftTemplate> {
+    const response = await fetch(`${API_BASE}/${id}`, {
+      method: 'PUT',
+      headers: {
+        'Content-Type': 'application/json',
+        ...authService.getAuthHeaders()
+      },
+      body: JSON.stringify(template)
+    });
+    
+    if (!response.ok) {
+      if (response.status === 401) {
+        authService.logout();
+        throw new Error('Nicht authorisiert - bitte erneut anmelden');
+      }
+      throw new Error('Fehler beim Aktualisieren der Vorlage');
+    }
+    
+    return response.json();
+  },
+
+  async deleteTemplate(id: string): Promise<void> {
+    const response = await fetch(`${API_BASE}/${id}`, {
+      method: 'DELETE',
+      headers: {
+        ...authService.getAuthHeaders()
+      }
+    });
+    
+    if (!response.ok) {
+      if (response.status === 401) {
+        authService.logout();
+        throw new Error('Nicht authorisiert - bitte erneut anmelden');
+      }
+      throw new Error('Fehler beim Löschen der Vorlage');
+    }
+  }
+};

frontend/src/setupTests.ts

@@ -0,0 +1,5 @@
+// jest-dom adds custom jest matchers for asserting on DOM nodes.
+// allows you to do things like:
+// expect(element).toHaveTextContent(/react/i)
+// learn more: https://github.com/testing-library/jest-dom
+import '@testing-library/jest-dom';

frontend/src/types/shiftTemplate.ts

@@ -0,0 +1,30 @@
+// frontend/src/types/shiftTemplate.ts
+export interface ShiftTemplate {
+  id: string;
+  name: string;
+  description?: string;
+  shifts: TemplateShift[];
+  createdBy: string;
+  createdAt: string;
+  isDefault: boolean;
+}
+
+export interface TemplateShift {
+  id: string;
+  dayOfWeek: number; // 0-6 (Sonntag=0, Montag=1, ...)
+  name: string;
+  startTime: string; // "08:00"
+  endTime: string;   // "12:00"
+  requiredEmployees: number;
+  color?: string; // Für visuelle Darstellung
+}
+
+export const DEFAULT_DAYS = [
+  { id: 1, name: 'Montag' },
+  { id: 2, name: 'Dienstag' },
+  { id: 3, name: 'Donnerstag' },
+  { id: 4, name: 'Mittwoch' },
+  { id: 5, name: 'Freitag' },
+  { id: 6, name: 'Samstag' },
+  { id: 0, name: 'Sonntag' }
+];