added dropdown menu for export

.env.template

@@ -1,27 +1,29 @@
-# === SCHICHTPLANER DOCKER COMPOSE ENVIRONMENT VARIABLES ===
-# Diese Datei wird von docker-compose automatisch geladen
+# .env.template
+# ============================================
+# DOCKER COMPOSE ENVIRONMENT TEMPLATE
+# Copy this file to .env and adjust values
+# ============================================
 
-# Security
-JWT_SECRET=${JWT_SECRET:-your-secret-key-please-change}
-NODE_ENV=${NODE_ENV:-production}
+# Application settings
+NODE_ENV=production
+JWT_SECRET=your-secret-key-please-change
+HOSTNAME=localhost
+
+# Security & Network
+TRUST_PROXY_ENABLED=false
+TRUSTED_PROXY_IPS=127.0.0.1,::1
+FORCE_HTTPS=false
 
 # Database
-DB_PATH=${DB_PATH:-/app/data/database.db}
+DATABASE_PATH=/app/data/schichtplaner.db
 
-# Server
-PORT=${PORT:-3002}
+# Optional features
+ENABLE_PRO=false
+DEBUG=false
 
-# App Configuration
-APP_TITLE="Shift Planning App"
-ENABLE_PRO=${ENABLE_PRO:-false}
+# Port configuration
+APP_PORT=3002
 
-# Trust Proxy Configuration
-TRUST_PROXY_ENABLED=false
-TRUSTED_PROXY_IPS=  # Your load balancer/reverse proxy IPs
-TRUSTED_PROXY_HEADER=x-forwarded-for
-
-# Rate Limiting Configuration  
-RATE_LIMIT_WINDOW_MS=900000
-RATE_LIMIT_MAX_REQUESTS=100
-RATE_LIMIT_SKIP_PATHS=/api/health,/api/status
-RATE_LIMIT_WHITELIST=127.0.0.1,::1
+# ============================================
+# END OF TEMPLATE
+# ============================================

.github/workflows/docker.yml

@@ -83,9 +83,13 @@ jobs:
         with:
           node-version: '20'
 
+      - name: Create package-lock.json
+        working-directory: .
+        run: npm i --package-lock-only
+
       - name: Install backend dependencies
         working-directory: ./backend
-        run: npm install
+        run: npm ci
 
       - name: Run TypeScript check
         working-directory: ./backend

.gitignore

@@ -57,6 +57,7 @@ yarn-error.log*
 # Build outputs
 dist/
 build/
+package-lock.json
 
 # Environment variables
 .env

Dockerfile

@@ -1,22 +1,17 @@
 # Single stage build for workspaces
-FROM node:20-bullseye AS builder
+FROM node:20-bookworm AS builder
 
 WORKDIR /app
 
-# Install Python + OR-Tools
-RUN apt-get update && apt-get install -y python3 python3-pip build-essential \
-  && pip install --no-cache-dir ortools
-
-# Create symlink so python3 is callable as python
-RUN ln -sf /usr/bin/python3 /usr/bin/python
-
 # Copy root package files first
 COPY package*.json ./
 COPY tsconfig.base.json ./
 COPY ecosystem.config.cjs ./
 
 # Install root dependencies
-RUN npm install --only=production
+#RUN npm install --only=production
+RUN npm i --package-lock-only
+RUN npm ci
 
 # Copy workspace files
 COPY backend/ ./backend/
@@ -30,10 +25,7 @@ RUN npm install --workspace=frontend
 RUN npm run build --only=production --workspace=backend
 
 # Build frontend
-RUN npm run build --workspace=frontend
-
-# Verify Python and OR-Tools installation
-RUN python -c "from ortools.sat.python import cp_model; print('OR-Tools installed successfully')"
+RUN npm run build --only=production --workspace=frontend
 
 # Production stage
 FROM node:20-bookworm
@@ -57,7 +49,20 @@ COPY --from=builder /app/frontend/dist/ ./frontend-build/
 COPY --from=builder /app/ecosystem.config.cjs ./
 
 COPY --from=builder /app/backend/src/database/ ./dist/database/
-COPY --from=builder /app/backend/src/database/ ./database/
+# should be obsolete with the line above
+#COPY --from=builder /app/backend/src/database/ ./database/
+
+COPY --from=builder /app/backend/src/python-scripts/ ./python-scripts/
+
+# Install Python + OR-Tools
+RUN apt-get update && apt-get install -y python3 python3-pip build-essential \
+  && pip install --no-cache-dir --break-system-packages ortools
+
+# Create symlink so python3 is callable as python
+RUN ln -sf /usr/bin/python3 /usr/bin/python
+
+# Verify Python and OR-Tools installation
+RUN python -c "from ortools.sat.python import cp_model; print('OR-Tools installed successfully')"
 
 # Copy init script and env template
 COPY docker-init.sh /usr/local/bin/

backend/package.json

@@ -25,7 +25,9 @@
     "uuid": "^9.0.0",
     "express-rate-limit": "8.1.0",
     "helmet": "8.1.0",
-    "express-validator": "7.3.0"
+    "express-validator": "7.3.0",
+    "exceljs": "4.4.0",
+    "playwright": "^1.37.0"
   },
   "devDependencies": {
     "@types/bcryptjs": "^2.4.2",

backend/src/controllers/shiftPlanController.ts

@@ -8,6 +8,8 @@ import {
 } from '../models/ShiftPlan.js';
 import { AuthRequest } from '../middleware/auth.js';
 import { TEMPLATE_PRESETS } from '../models/defaults/shiftPlanDefaults.js';
+import ExcelJS from 'exceljs';
+import { chromium } from 'playwright';
 
 async function getPlanWithDetails(planId: string) {
   const plan = await db.get<any>(`
@@ -592,6 +594,26 @@ async function getShiftPlanById(planId: string): Promise<any> {
     `, [planId]);
   }
 
+  // Load employees without role column + join with employee_roles
+  const employees = await db.all<any>(`
+    SELECT 
+      e.id, 
+      e.firstname, 
+      e.lastname, 
+      e.email, 
+      e.employee_type,
+      e.contract_type,
+      e.can_work_alone,
+      e.is_trainee,
+      e.is_active as isActive,
+      GROUP_CONCAT(er.role) as roles
+    FROM employees e
+    LEFT JOIN employee_roles er ON e.id = er.employee_id
+    WHERE e.is_active = 1
+    GROUP BY e.id
+    ORDER BY e.firstname, e.lastname
+  `, []);
+
   return {
     ...plan,
     isTemplate: plan.is_template === 1,
@@ -629,6 +651,19 @@ async function getShiftPlanById(planId: string): Promise<any> {
       requiredEmployees: shift.required_employees,
       assignedEmployees: JSON.parse(shift.assigned_employees || '[]'),
       timeSlotName: shift.time_slot_name
+    })),
+    // Include employees with proper role handling
+    employees: employees.map(emp => ({
+      id: emp.id,
+      firstname: emp.firstname,
+      lastname: emp.lastname,
+      email: emp.email,
+      employeeType: emp.employee_type,
+      contractType: emp.contract_type,
+      canWorkAlone: emp.can_work_alone === 1,
+      isTrainee: emp.is_trainee === 1,
+      isActive: emp.isActive === 1,
+      roles: emp.roles ? emp.roles.split(',') : [] // Convert comma-separated roles to array
     }))
   };
 }
@@ -933,3 +968,831 @@ export const clearAssignments = async (req: Request, res: Response): Promise<voi
     res.status(500).json({ error: 'Internal server error' });
   }
 };
+
+
+// Helper interfaces for export
+interface ExportDay {
+  id: number;
+  name: string;
+}
+
+interface ExportTimeSlot {
+  id: string;
+  name: string;
+  startTime: string;
+  endTime: string;
+  shiftsByDay: { [dayId: number]: any };
+}
+
+interface ExportTimetableData {
+  days: ExportDay[];
+  allTimeSlots: ExportTimeSlot[];
+}
+
+function getTimetableDataForExport(plan: any): ExportTimetableData {
+  const weekdays = [
+    { id: 1, name: 'Montag' },
+    { id: 2, name: 'Dienstag' },
+    { id: 3, name: 'Mittwoch' },
+    { id: 4, name: 'Donnerstag' },
+    { id: 5, name: 'Freitag' },
+    { id: 6, name: 'Samstag' },
+    { id: 7, name: 'Sonntag' }
+  ];
+
+  if (!plan.shifts || !plan.timeSlots) {
+    return { days: [], allTimeSlots: [] };
+  }
+
+  // Create a map for quick time slot lookups with proper typing
+  const timeSlotMap = new Map<string, any>();
+  plan.timeSlots.forEach((ts: any) => {
+    timeSlotMap.set(ts.id, ts);
+  });
+
+  // Group shifts by day
+  const shiftsByDay: { [dayId: number]: any[] } = plan.shifts.reduce((acc: any, shift: any) => {
+    if (!acc[shift.dayOfWeek]) {
+      acc[shift.dayOfWeek] = [];
+    }
+
+    const timeSlot = timeSlotMap.get(shift.timeSlotId);
+    const enhancedShift = {
+      ...shift,
+      timeSlotName: timeSlot?.name,
+      startTime: timeSlot?.startTime,
+      endTime: timeSlot?.endTime
+    };
+
+    acc[shift.dayOfWeek].push(enhancedShift);
+    return acc;
+  }, {});
+
+  // Sort shifts within each day by start time
+  Object.keys(shiftsByDay).forEach(day => {
+    const dayNum = parseInt(day);
+    shiftsByDay[dayNum].sort((a: any, b: any) => {
+      const timeA = a.startTime || '';
+      const timeB = b.startTime || '';
+      return timeA.localeCompare(timeB);
+    });
+  });
+
+  // Get unique days that have shifts
+  const days: ExportDay[] = Array.from(new Set(plan.shifts.map((shift: any) => shift.dayOfWeek)))
+    .sort()
+    .map(dayId => {
+      return weekdays.find(day => day.id === dayId) || { id: dayId as number, name: `Tag ${dayId}` };
+    });
+
+  // Get all unique time slots (rows) by collecting from all shifts
+  const allTimeSlotsMap = new Map<string, ExportTimeSlot>();
+  days.forEach(day => {
+    shiftsByDay[day.id]?.forEach((shift: any) => {
+      const timeSlot = timeSlotMap.get(shift.timeSlotId);
+      if (timeSlot && !allTimeSlotsMap.has(timeSlot.id)) {
+        const exportTimeSlot: ExportTimeSlot = {
+          id: timeSlot.id,
+          name: timeSlot.name,
+          startTime: timeSlot.startTime,
+          endTime: timeSlot.endTime,
+          shiftsByDay: {}
+        };
+        allTimeSlotsMap.set(timeSlot.id, exportTimeSlot);
+      }
+    });
+  });
+
+  // Populate shifts for each time slot by day
+  days.forEach(day => {
+    shiftsByDay[day.id]?.forEach((shift: any) => {
+      const timeSlot = allTimeSlotsMap.get(shift.timeSlotId);
+      if (timeSlot) {
+        timeSlot.shiftsByDay[day.id] = shift;
+      }
+    });
+  });
+
+  // Convert to array and sort by start time
+  const allTimeSlots = Array.from(allTimeSlotsMap.values()).sort((a: ExportTimeSlot, b: ExportTimeSlot) => {
+    return (a.startTime || '').localeCompare(b.startTime || '');
+  });
+
+  return { days, allTimeSlots };
+}
+
+// Export shift plan to Excel
+// Export shift plan to Excel
+export const exportShiftPlanToExcel = async (req: Request, res: Response): Promise<void> => {
+  try {
+    const { id } = req.params;
+    console.log('📊 Starting Excel export for plan:', id);
+
+    const plan = await getShiftPlanById(id);
+    if (!plan) {
+      res.status(404).json({ error: 'Shift plan not found' });
+      return;
+    }
+    if (plan.status !== 'published') {
+      res.status(400).json({ error: 'Can only export published shift plans' });
+      return;
+    }
+
+    // Create workbook
+    const workbook = new ExcelJS.Workbook();
+    workbook.creator = 'Schichtplaner System';
+    workbook.created = new Date();
+
+    /* -------------------------------------------------------------------------- */
+    /*                           📋 1. Summary Sheet                              */
+    /* -------------------------------------------------------------------------- */
+    const summarySheet = workbook.addWorksheet('Planübersicht');
+    summarySheet.columns = [
+      { header: 'Eigenschaft', key: 'property', width: 25 },
+      { header: 'Wert', key: 'value', width: 35 }
+    ];
+
+    summarySheet.addRows([
+      { property: 'Plan Name', value: plan.name },
+      { property: 'Beschreibung', value: plan.description || 'Keine' },
+      { property: 'Zeitraum', value: `${plan.startDate} bis ${plan.endDate}` },
+      { property: 'Status', value: plan.status },
+      { property: 'Erstellt von', value: plan.created_by_name || 'Unbekannt' },
+      { property: 'Erstellt am', value: new Date(plan.createdAt).toLocaleString('de-DE') },
+      { property: 'Anzahl Schichten', value: plan.scheduledShifts?.length || 0 },
+      { property: 'Anzahl Mitarbeiter', value: plan.employees?.length || 0 }
+    ]);
+
+    // Style header
+    const header1 = summarySheet.getRow(1);
+    header1.font = { bold: true, color: { argb: 'FFFFFFFF' } };
+    header1.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF2C3E50' } };
+    summarySheet.columns.forEach(col => (col.alignment = { vertical: 'middle', wrapText: true }));
+
+    /* -------------------------------------------------------------------------- */
+    /*                        📅 2. Timetable / Schichtplan Sheet                 */
+    /* -------------------------------------------------------------------------- */
+    const timetableSheet = workbook.addWorksheet('Schichtplan');
+    const timetableData = getTimetableDataForExport(plan);
+    const { days, allTimeSlots } = timetableData;
+
+    // Calculate max employees per shift to determine row structure
+    let maxEmployeesPerShift = 1;
+    for (const timeSlot of allTimeSlots) {
+      for (const day of days) {
+        const scheduledShift = plan.scheduledShifts?.find(
+          (s: any) => getDayOfWeek(s.date) === day.id && s.timeSlotId === timeSlot.id
+        );
+        if (scheduledShift && scheduledShift.assignedEmployees?.length > maxEmployeesPerShift) {
+          maxEmployeesPerShift = scheduledShift.assignedEmployees.length;
+        }
+      }
+    }
+
+    // Header
+    const headerRow = ['Schicht (Zeit)', ...days.map(d => d.name)];
+    const header = timetableSheet.addRow(headerRow);
+    header.eachCell(cell => {
+      cell.font = { bold: true, color: { argb: 'FFFFFFFF' } };
+      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF2C3E50' } };
+      cell.alignment = { horizontal: 'center', vertical: 'middle' };
+      cell.border = {
+        top: { style: 'thin' },
+        left: { style: 'thin' },
+        bottom: { style: 'thin' },
+        right: { style: 'thin' }
+      };
+    });
+
+    // Content rows - each time slot can have multiple employee rows
+    for (const timeSlot of allTimeSlots) {
+      // Find max employees for this time slot across all days
+      let maxEmployeesInTimeSlot = 0;
+      for (const day of days) {
+        const scheduledShift = plan.scheduledShifts?.find(
+          (s: any) => getDayOfWeek(s.date) === day.id && s.timeSlotId === timeSlot.id
+        );
+        if (scheduledShift && scheduledShift.assignedEmployees?.length > maxEmployeesInTimeSlot) {
+          maxEmployeesInTimeSlot = scheduledShift.assignedEmployees.length;
+        }
+      }
+
+      // If no employees assigned, show at least one row with requirement count
+      const rowsToCreate = Math.max(maxEmployeesInTimeSlot, 1);
+
+      for (let empIndex = 0; empIndex < rowsToCreate; empIndex++) {
+        const rowData: any[] = [];
+
+        // First cell: time slot name (only in first row, merged for others)
+        if (empIndex === 0) {
+          rowData.push(`${timeSlot.name}\n${timeSlot.startTime} - ${timeSlot.endTime}`);
+        } else {
+          rowData.push(''); // Empty for merged cells
+        }
+
+        // Day cells
+        for (const day of days) {
+          const shift = timeSlot.shiftsByDay[day.id];
+
+          if (!shift) {
+            rowData.push(empIndex === 0 ? 'Keine Schicht' : '');
+            continue;
+          }
+
+          const scheduledShift = plan.scheduledShifts?.find(
+            (s: any) => getDayOfWeek(s.date) === day.id && s.timeSlotId === timeSlot.id
+          );
+
+          if (scheduledShift && scheduledShift.assignedEmployees?.length > 0) {
+            if (empIndex < scheduledShift.assignedEmployees.length) {
+              const empId = scheduledShift.assignedEmployees[empIndex];
+              const emp = plan.employees?.find((e: any) => e.id === empId);
+
+              if (!emp) {
+                rowData.push({ text: 'Unbekannt', color: 'FF888888' });
+              } else if (emp.isTrainee) {
+                rowData.push({
+                  text: `${emp.firstname} ${emp.lastname} (T)`,
+                  color: 'FFCDA8F0'
+                });
+              } else if (emp.employeeType === 'manager') {
+                rowData.push({
+                  text: `${emp.firstname} ${emp.lastname} (M)`,
+                  color: 'FFCC0000'
+                });
+              } else {
+                rowData.push({
+                  text: `${emp.firstname} ${emp.lastname}`,
+                  color: 'FF642AB5'
+                });
+              }
+            } else {
+              rowData.push(''); // Empty cell if no more employees
+            }
+          } else {
+            // No employees assigned, show requirement count only in first row
+            if (empIndex === 0) {
+              const shiftsForSlot = plan.shifts?.filter(
+                (s: any) => s.dayOfWeek === day.id && s.timeSlotId === timeSlot.id
+              ) || [];
+              const totalRequired = shiftsForSlot.reduce(
+                (sum: number, s: any) => sum + s.requiredEmployees,
+                0
+              );
+              rowData.push(totalRequired === 0 ? '-' : `0/${totalRequired}`);
+            } else {
+              rowData.push('');
+            }
+          }
+        }
+
+        const row = timetableSheet.addRow(rowData);
+
+        row.eachCell((cell, colNumber) => {
+          cell.border = {
+            top: { style: 'thin' },
+            left: { style: 'thin' },
+            bottom: { style: 'thin' },
+            right: { style: 'thin' }
+          };
+          cell.alignment = { vertical: 'middle', wrapText: true, horizontal: 'center' };
+
+          // Handle colored employee names
+          if (typeof cell.value === 'object' && cell.value !== null && 'text' in cell.value) {
+            const employeeData = cell.value as unknown as { text: string; color: string };
+            cell.value = employeeData.text;
+            cell.font = { color: { argb: employeeData.color } };
+            cell.alignment = { vertical: 'middle', horizontal: 'left' };
+          }
+
+          if (cell.value === 'Keine Schicht') {
+            cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFEDEDED' } };
+            cell.font = { color: { argb: 'FF888888' }, italic: true };
+          }
+
+          if (colNumber === 1) {
+            cell.alignment = { horizontal: 'left', vertical: 'middle', wrapText: true };
+          }
+        });
+
+        row.height = 25;
+      }
+
+      // Merge time slot cells vertically if multiple rows were created
+      if (rowsToCreate > 1) {
+        const currentRow = timetableSheet.lastRow!.number;
+        const startRow = currentRow - rowsToCreate + 1;
+        timetableSheet.mergeCells(startRow, 1, currentRow, 1);
+      }
+    }
+
+    // Adjust column widths
+    timetableSheet.getColumn(1).width = 25; // Time slot column
+    for (let i = 2; i <= days.length + 1; i++) {
+      timetableSheet.getColumn(i).width = 30;
+    }
+
+    // Add legend row at bottom
+    const legendRow = timetableSheet.addRow([
+      'Legende:',
+      '■ Manager',
+      '■ Trainee',
+      '■ Mitarbeiter',
+      '■ Keine Schicht'
+    ]);
+
+    // Style each square with its respective color
+    legendRow.getCell(1).font = { bold: true };
+    legendRow.getCell(2).font = { color: { argb: 'FFCC0000' } };   // Red = Manager
+    legendRow.getCell(3).font = { color: { argb: 'FFCDA8F0' } };   // Purple = Trainee
+    legendRow.getCell(4).font = { color: { argb: 'FF642AB5' } };   // Blue = Mitarbeiter
+    legendRow.getCell(5).font = { color: { argb: 'FF888888' } };   // Gray = Keine Schicht
+
+    legendRow.eachCell(cell => {
+      cell.alignment = { vertical: 'middle', horizontal: 'left' };
+      cell.font = { ...cell.font, italic: true };
+    });
+
+    /* -------------------------------------------------------------------------- */
+    /*                        👥 3. Employee Overview Sheet                       */
+    /* -------------------------------------------------------------------------- */
+    const employeeSheet = workbook.addWorksheet('Mitarbeiterübersicht');
+    employeeSheet.columns = [
+      { header: 'Name', key: 'name', width: 25 },
+      { header: 'E-Mail', key: 'email', width: 25 },
+      { header: 'Rolle', key: 'role', width: 18 },
+      { header: 'Mitarbeiter Typ', key: 'type', width: 15 },
+      { header: 'Vertragstyp', key: 'contract', width: 18 },
+      { header: 'Trainee', key: 'trainee', width: 10 }
+    ];
+
+    plan.employees?.forEach((e: any) =>
+      employeeSheet.addRow({
+        name: `${e.firstname} ${e.lastname}`,
+        email: e.email,
+        role: e.roles?.join(', ') || 'Benutzer',
+        type: e.employeeType || 'Unbekannt',
+        contract: e.contractType || 'Nicht angegeben',
+        trainee: e.isTrainee ? 'Ja' : 'Nein'
+      })
+    );
+
+    const empHeader = employeeSheet.getRow(1);
+    empHeader.font = { bold: true, color: { argb: 'FFFFFFFF' } };
+    empHeader.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF34495E' } };
+    empHeader.alignment = { horizontal: 'center', vertical: 'middle' };
+
+    /* -------------------------------------------------------------------------- */
+    /*                            📤 4. Send Response                             */
+    /* -------------------------------------------------------------------------- */
+    const fileName = `Schichtplan_${plan.name}_${new Date().toISOString().split('T')[0]}.xlsx`;
+    res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
+    res.setHeader('Content-Disposition', `attachment; filename="${fileName}"`);
+    await workbook.xlsx.write(res);
+
+    console.log('✅ Excel export completed for plan:', id);
+  } catch (error) {
+    console.error('❌ Error exporting to Excel:', error);
+    res.status(500).json({ error: 'Internal server error during Excel export' });
+  }
+};
+
+export const exportShiftPlanToPDF = async (req: Request, res: Response): Promise<void> => {
+  let browser;
+  try {
+    const { id } = req.params;
+    console.log('📄 Starting PDF export for plan:', id);
+
+    const plan = await getShiftPlanById(id);
+    if (!plan) {
+      res.status(404).json({ error: 'Shift plan not found' });
+      return;
+    }
+
+    if (plan.status !== 'published') {
+      res.status(400).json({ error: 'Can only export published shift plans' });
+      return;
+    }
+
+    // Get timetable data (same as Excel)
+    const timetableData = getTimetableDataForExport(plan);
+    const { days, allTimeSlots } = timetableData;
+
+    // Generate HTML content
+    const html = `
+<!DOCTYPE html>
+<html lang="de">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Schichtplan - ${plan.name}</title>
+  <style>
+    * { margin: 0; padding: 0; box-sizing: border-box; }
+    body { 
+      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+      font-size: 10pt;
+      line-height: 1.4;
+      color: #2c3e50;
+      padding: 20px;
+    }
+    .header { 
+      margin-bottom: 30px; 
+      padding-bottom: 20px;
+      border-bottom: 3px solid #2c3e50;
+    }
+    h1 { 
+      font-size: 24pt; 
+      color: #2c3e50; 
+      margin-bottom: 10px;
+    }
+    .subtitle { 
+      font-size: 11pt; 
+      color: #7f8c8d; 
+      margin-bottom: 5px;
+    }
+    .info-section {
+      background: #f8f9fa;
+      padding: 15px;
+      border-radius: 5px;
+      margin-bottom: 30px;
+      page-break-inside: avoid;
+    }
+    .info-section h2 {
+      font-size: 14pt;
+      margin-bottom: 12px;
+      color: #34495e;
+      border-bottom: 2px solid #34495e;
+      padding-bottom: 5px;
+    }
+    .info-grid {
+      display: grid;
+      grid-template-columns: 1fr 1fr;
+      gap: 10px;
+    }
+    .info-item {
+      display: flex;
+      gap: 8px;
+    }
+    .info-label {
+      font-weight: 600;
+      color: #34495e;
+    }
+    .info-value {
+      color: #555;
+    }
+    
+    /* Timetable styles */
+    .timetable-section {
+      margin-top: 30px;
+      page-break-before: always;
+    }
+    .timetable-section h2 {
+      font-size: 16pt;
+      margin-bottom: 15px;
+      color: #2c3e50;
+    }
+    table {
+      width: 100%;
+      border-collapse: collapse;
+      margin-bottom: 20px;
+      page-break-inside: auto;
+    }
+    thead {
+      background: #2c3e50;
+      color: white;
+    }
+    thead th {
+      padding: 12px 8px;
+      text-align: center;
+      font-weight: 600;
+      border: 1px solid #2c3e50;
+      font-size: 10pt;
+    }
+    tbody tr {
+      page-break-inside: avoid;
+      page-break-after: auto;
+    }
+    tbody tr:nth-child(even) {
+      background: #f8f9fa;
+    }
+    td {
+      padding: 10px 8px;
+      border: 1px solid #dee2e6;
+      vertical-align: top;
+    }
+    .time-slot-cell {
+      font-weight: 600;
+      background: #ecf0f1;
+      white-space: nowrap;
+      min-width: 120px;
+    }
+    .time-slot-name {
+      font-size: 10pt;
+      color: #2c3e50;
+      margin-bottom: 3px;
+    }
+    .time-slot-time {
+      font-size: 9pt;
+      color: #7f8c8d;
+      font-weight: normal;
+    }
+    .employee-list {
+      list-style: none;
+      padding: 0;
+    }
+    .employee-list li {
+      margin-bottom: 4px;
+      font-size: 9pt;
+    }
+    .employee-manager { color: #CC0000; font-weight: 600; }
+    .employee-trainee { color: #CDA8F0; font-weight: 600; }
+    .employee-regular { color: #642AB5; }
+    .no-shift {
+      color: #999;
+      font-style: italic;
+      text-align: center;
+    }
+    .required-count {
+      color: #666;
+      font-style: italic;
+      text-align: center;
+    }
+    
+    /* Legend */
+    .legend {
+      margin-top: 15px;
+      padding: 10px;
+      background: #f8f9fa;
+      border-radius: 5px;
+      display: flex;
+      gap: 20px;
+      flex-wrap: wrap;
+      page-break-inside: avoid;
+    }
+    .legend-item {
+      display: flex;
+      align-items: center;
+      gap: 5px;
+      font-size: 9pt;
+    }
+    .legend-square {
+      width: 12px;
+      height: 12px;
+      border-radius: 2px;
+    }
+    
+    /* Employee section */
+    .employee-section {
+      margin-top: 30px;
+      page-break-before: always;
+    }
+    .employee-section h2 {
+      font-size: 16pt;
+      margin-bottom: 15px;
+      color: #2c3e50;
+    }
+    .employee-table {
+      width: 100%;
+    }
+    .employee-table thead {
+      background: #34495e;
+    }
+    .employee-table td {
+      font-size: 9pt;
+    }
+    
+    /* Footer */
+    .footer {
+      position: fixed;
+      bottom: 15px;
+      left: 20px;
+      right: 20px;
+      text-align: center;
+      font-size: 8pt;
+      color: #7f8c8d;
+      border-top: 1px solid #dee2e6;
+      padding-top: 8px;
+    }
+    
+    @media print {
+      body { padding: 15px; }
+      .header { page-break-after: avoid; }
+      .info-section { page-break-after: avoid; }
+    }
+  </style>
+</head>
+<body>
+  <div class="header">
+    <h1>Schichtplan: ${plan.name}</h1>
+    <div class="subtitle">Erstellt am: ${new Date().toLocaleDateString('de-DE', {
+      year: 'numeric',
+      month: 'long',
+      day: 'numeric'
+    })}</div>
+  </div>
+
+  <div class="info-section">
+    <h2>Plan Informationen</h2>
+    <div class="info-grid">
+      <div class="info-item">
+        <span class="info-label">Plan Name:</span>
+        <span class="info-value">${plan.name}</span>
+      </div>
+      <div class="info-item">
+        <span class="info-label">Status:</span>
+        <span class="info-value">${plan.status}</span>
+      </div>
+      <div class="info-item">
+        <span class="info-label">Beschreibung:</span>
+        <span class="info-value">${plan.description || 'Keine'}</span>
+      </div>
+      <div class="info-item">
+        <span class="info-label">Erstellt von:</span>
+        <span class="info-value">${plan.created_by_name || 'Unbekannt'}</span>
+      </div>
+      <div class="info-item">
+        <span class="info-label">Zeitraum:</span>
+        <span class="info-value">${plan.startDate} bis ${plan.endDate}</span>
+      </div>
+      <div class="info-item">
+        <span class="info-label">Erstellt am:</span>
+        <span class="info-value">${new Date(plan.createdAt).toLocaleString('de-DE')}</span>
+      </div>
+      <div class="info-item">
+        <span class="info-label">Anzahl Schichten:</span>
+        <span class="info-value">${plan.scheduledShifts?.length || 0}</span>
+      </div>
+      <div class="info-item">
+        <span class="info-label">Anzahl Mitarbeiter:</span>
+        <span class="info-value">${plan.employees?.length || 0}</span>
+      </div>
+    </div>
+  </div>
+
+  <div class="timetable-section">
+    <h2>Schichtplan Timetable</h2>
+    <table>
+      <thead>
+        <tr>
+          <th>Schicht (Zeit)</th>
+          ${days.map(day => `<th>${day.name}</th>`).join('')}
+        </tr>
+      </thead>
+      <tbody>
+        ${allTimeSlots.map(timeSlot => `
+          <tr>
+            <td class="time-slot-cell">
+              <div class="time-slot-name">${timeSlot.name}</div>
+              <div class="time-slot-time">${timeSlot.startTime} - ${timeSlot.endTime}</div>
+            </td>
+            ${days.map(day => {
+      const shift = timeSlot.shiftsByDay[day.id];
+
+      if (!shift) {
+        return '<td class="no-shift">Keine Schicht</td>';
+      }
+
+      const scheduledShift = plan.scheduledShifts?.find((s: any) =>
+        getDayOfWeek(s.date) === day.id && s.timeSlotId === timeSlot.id
+      );
+
+      if (scheduledShift && scheduledShift.assignedEmployees?.length > 0) {
+        const employeeItems = scheduledShift.assignedEmployees.map((empId: string) => {
+          const emp = plan.employees?.find((e: any) => e.id === empId);
+          if (!emp) return '<li>Unbekannt</li>';
+
+          let cssClass = 'employee-regular';
+          let suffix = '';
+
+          if (emp.isTrainee) {
+            cssClass = 'employee-trainee';
+            suffix = ' (T)';
+          } else if (emp.employeeType === 'manager') {
+            cssClass = 'employee-manager';
+            suffix = ' (M)';
+          }
+
+          return `<li class="${cssClass}">${emp.firstname} ${emp.lastname}${suffix}</li>`;
+        }).join('');
+
+        return `<td><ul class="employee-list">${employeeItems}</ul></td>`;
+      } else {
+        const shiftsForSlot = plan.shifts?.filter((s: any) =>
+          s.dayOfWeek === day.id && s.timeSlotId === timeSlot.id
+        ) || [];
+        const totalRequired = shiftsForSlot.reduce((sum: number, s: any) =>
+          sum + s.requiredEmployees, 0
+        );
+        const displayText = totalRequired === 0 ? '-' : `0/${totalRequired}`;
+        return `<td class="required-count">${displayText}</td>`;
+      }
+    }).join('')}
+          </tr>
+        `).join('')}
+      </tbody>
+    </table>
+    
+    <div class="legend">
+      <div class="legend-item">
+        <div class="legend-square" style="background: #CC0000;"></div>
+        <span>Manager</span>
+      </div>
+      <div class="legend-item">
+        <div class="legend-square" style="background: #CDA8F0;"></div>
+        <span>Trainee</span>
+      </div>
+      <div class="legend-item">
+        <div class="legend-square" style="background: #642AB5;"></div>
+        <span>Mitarbeiter</span>
+      </div>
+      <div class="legend-item">
+        <div class="legend-square" style="background: #ededed;"></div>
+        <span>Keine Schicht</span>
+      </div>
+    </div>
+  </div>
+
+  <div class="employee-section">
+    <h2>Mitarbeiterübersicht</h2>
+    <table class="employee-table">
+      <thead>
+        <tr>
+          <th>Name</th>
+          <th>E-Mail</th>
+          <th>Rolle</th>
+          <th>Mitarbeiter Typ</th>
+          <th>Vertragstyp</th>
+          <th>Trainee</th>
+        </tr>
+      </thead>
+      <tbody>
+        ${plan.employees?.map((emp: any) => `
+          <tr>
+            <td>${emp.firstname} ${emp.lastname}</td>
+            <td>${emp.email}</td>
+            <td>${emp.roles?.join(', ') || 'Benutzer'}</td>
+            <td>${emp.employeeType || 'Unbekannt'}</td>
+            <td>${emp.contractType || 'Nicht angegeben'}</td>
+            <td>${emp.isTrainee ? 'Ja' : 'Nein'}</td>
+          </tr>
+        `).join('') || '<tr><td colspan="6" style="text-align: center; color: #999;">Keine Mitarbeiter</td></tr>'}
+      </tbody>
+    </table>
+  </div>
+
+  <div class="footer">
+    Erstellt am: ${new Date().toLocaleString('de-DE')} • Schichtplaner System
+  </div>
+</body>
+</html>
+    `;
+
+    // Launch browser and generate PDF
+    browser = await chromium.launch({ headless: true });
+    const context = await browser.newContext();
+    const page = await context.newPage();
+
+    await page.setContent(html, { waitUntil: 'networkidle' });
+
+    const pdfBuffer = await page.pdf({
+      format: 'A4',
+      printBackground: true,
+      margin: {
+        top: '20mm',
+        right: '15mm',
+        bottom: '20mm',
+        left: '15mm'
+      },
+      displayHeaderFooter: true,
+      headerTemplate: '<div></div>',
+      footerTemplate: `
+        <div style="font-size: 8pt; text-align: center; width: 100%; color: #7f8c8d; padding-top: 5px;">
+          <span class="pageNumber"></span> / <span class="totalPages"></span>
+        </div>
+      `
+    });
+
+    await browser.close();
+
+    // Set response headers and send PDF
+    const fileName = `Schichtplan_${plan.name}_${new Date().toISOString().split('T')[0]}.pdf`;
+    res.setHeader('Content-Type', 'application/pdf');
+    res.setHeader('Content-Disposition', `attachment; filename="${fileName}"`);
+    res.send(pdfBuffer);
+
+    console.log('✅ PDF export completed for plan:', id);
+
+  } catch (error) {
+    console.error('❌ Error exporting to PDF:', error);
+    if (browser) {
+      await browser.close();
+    }
+    res.status(500).json({ error: 'Internal server error during PDF export' });
+  }
+};
+
+// Helper function to get day of week from date string
+function getDayOfWeek(dateString: string): number {
+  const date = new Date(dateString);
+  return date.getDay() === 0 ? 7 : date.getDay();
+}

backend/src/middleware/rateLimit.ts

@@ -72,8 +72,8 @@ const getRateLimitConfig = () => {
   return {
     windowMs: parseInt(process.env.RATE_LIMIT_WINDOW_MS || '900000'), // 15 minutes default
     max: isProduction 
-      ? parseInt(process.env.RATE_LIMIT_MAX_REQUESTS || '100')  // Stricter in production
-      : parseInt(process.env.RATE_LIMIT_MAX_REQUESTS || '1000'), // More lenient in development
+      ? parseInt(process.env.RATE_LIMIT_MAX_REQUESTS || '1000')  // Stricter in production
+      : parseInt(process.env.RATE_LIMIT_MAX_REQUESTS || '5000'), // More lenient in development
     
     // Development-specific relaxations
     skip: (req: Request) => {
@@ -112,7 +112,7 @@ export const apiLimiter = rateLimit({
 // Strict limiter for auth endpoints
 export const authLimiter = rateLimit({
   windowMs: 15 * 60 * 1000,
-  max: parseInt(process.env.AUTH_RATE_LIMIT_MAX_REQUESTS || '5'),
+  max: parseInt(process.env.AUTH_RATE_LIMIT_MAX_REQUESTS || '100'),
   message: { 
     error: 'Zu viele Login-Versuche, bitte versuchen Sie es später erneut' 
   },
@@ -135,7 +135,7 @@ export const authLimiter = rateLimit({
 // Separate limiter for expensive endpoints
 export const expensiveEndpointLimiter = rateLimit({
   windowMs: 15 * 60 * 1000,
-  max: parseInt(process.env.EXPENSIVE_ENDPOINT_LIMIT || '10'),
+  max: parseInt(process.env.EXPENSIVE_ENDPOINT_LIMIT || '100'),
   message: {
     error: 'Zu viele Anfragen für diese Ressource'
   },

backend/src/routes/shiftPlans.ts

@@ -7,7 +7,9 @@ import {
   updateShiftPlan, 
   deleteShiftPlan,
   createFromPreset,
-  clearAssignments
+  clearAssignments,
+  exportShiftPlanToExcel,
+  exportShiftPlanToPDF
 } from '../controllers/shiftPlanController.js';
 import { 
   validateShiftPlan, 
@@ -30,4 +32,7 @@ router.put('/:id', validateId, validateShiftPlanUpdate, handleValidationErrors,
 router.delete('/:id', validateId, handleValidationErrors, requireRole(['admin', 'maintenance']), deleteShiftPlan);
 router.post('/:id/clear-assignments', validateId, handleValidationErrors, requireRole(['admin', 'maintenance']), clearAssignments);
 
+router.get('/:id/export/excel', validateId, handleValidationErrors, requireRole(['admin', 'maintenance']), exportShiftPlanToExcel);
+router.get('/:id/export/pdf', validateId, handleValidationErrors, requireRole(['admin', 'maintenance']), exportShiftPlanToPDF);
+
 export default router;

backend/src/server.ts

@@ -85,7 +85,7 @@ if (process.env.NODE_ENV === 'production') {
 
 const configureTrustProxy = (): string | string[] | boolean | number => {
   const trustedProxyIps = process.env.TRUSTED_PROXY_IPS;
-  const trustProxyEnabled = process.env.TRUST_PROXY_ENABLED !== 'false'; // Default true for production
+  const trustProxyEnabled = process.env.TRUST_PROXY_ENABLED !== 'false';
 
   // If explicitly disabled
   if (!trustProxyEnabled) {
@@ -106,25 +106,28 @@ const configureTrustProxy = (): string | string[] | boolean | number => {
     return trustedProxyIps.trim();
   }
 
-  // Default behavior based on environment
-  if (process.env.NODE_ENV === 'production') {
-    console.log('🔒 Trust proxy: Using production defaults (private networks)');
-    return [
-      'loopback', 
-      'linklocal', 
-      'uniquelocal',
-      '10.0.0.0/8',
-      '172.16.0.0/12', 
-      '192.168.0.0/16'
-    ];
-  } else {
-    console.log('🔒 Trust proxy: Development mode (disabled)');
-    return false;
-  }
+  // Default behavior for reverse proxy setup
+  console.log('🔒 Trust proxy: Using reverse proxy defaults (trust all)');
+  return true; // Trust all proxies when behind nginx
 };
 
 app.set('trust proxy', configureTrustProxy());
 
+app.use((req, res, next) => {
+  const protocol = req.headers['x-forwarded-proto'] || req.protocol;
+  const isHttps = protocol === 'https';
+  
+  // Add security warning for HTTP requests
+  if (!isHttps && process.env.NODE_ENV === 'production') {
+    res.setHeader('X-Security-Warning', 'This application is being accessed over HTTP. For secure communication, please use HTTPS.');
+    
+    // Log HTTP access in production
+    console.warn(`⚠️  HTTP access detected: ${req.method} ${req.path} from ${req.ip}`);
+  }
+  
+  next();
+});
+
 // Security headers
 app.use(helmet({
   contentSecurityPolicy: {
@@ -138,9 +141,14 @@ app.use(helmet({
       objectSrc: ["'none'"],
       mediaSrc: ["'self'"],
       frameSrc: ["'none'"],
+      upgradeInsecureRequests: process.env.FORCE_HTTPS === 'true' ? [] : null
     },
   },
-  hsts: false,
+  hsts: {
+    maxAge: 31536000,
+    includeSubDomains: true,
+    preload: true
+  }, // Enable HSTS for HTTPS
   crossOriginEmbedderPolicy: false
 }));
 

docker-compose.yml

@@ -6,17 +6,22 @@ services:
     image: ghcr.io/donpat1to/schichtenplaner:v1.0.0
     environment:
       - NODE_ENV=production
-      - JWT_SECRET=${JWT_SECRET:-your-secret-key-please-change}
-    ports:
-      - "3002:3002"
+      - JWT_SECRET=${JWT_SECRET}
+      - TRUST_PROXY_ENABLED=true
+      - TRUSTED_PROXY_IPS=nginx-proxy,172.0.0.0/8,10.0.0.0/8,192.168.0.0/16
+      - FORCE_HTTPS=${FORCE_HTTPS:-false}
+    networks:
+      - app-network
     volumes:
       - app_data:/app/data
     restart: unless-stopped
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:3002/api/health"]
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:3002/api/health"]
       interval: 30s
       timeout: 10s
       retries: 3
+    expose:
+      - "3002"
 
 volumes:
   app_data:

docker-init.sh

@@ -3,17 +3,15 @@ set -e
 
 echo "🚀 Container Initialisierung gestartet..."
 
-# Funktion zum Generieren eines sicheren Secrets
 generate_secret() {
     length=$1
     tr -dc 'A-Za-z0-9!@#$%^&*()_+-=' < /dev/urandom | head -c $length
 }
 
-# Prüfe ob .env existiert
+# Create .env if it doesn't exist
 if [ ! -f /app/.env ]; then
     echo "📝 Erstelle .env Datei..."
     
-    # Verwende vorhandenes JWT_SECRET oder generiere ein neues
     if [ -z "$JWT_SECRET" ] || [ "$JWT_SECRET" = "your-secret-key-please-change" ]; then
         export JWT_SECRET=$(generate_secret 64)
         echo "🔑 Automatisch sicheres JWT Secret generiert"
@@ -21,30 +19,37 @@ if [ ! -f /app/.env ]; then
         echo "🔑 Verwende vorhandenes JWT Secret aus Umgebungsvariable"
     fi
     
-    # Erstelle .env aus Template mit envsubst
-    envsubst < /app/.env.template > /app/.env
-    echo "✅ .env Datei erstellt"
+    # Create .env with all proxy settings
+    cat > /app/.env << EOF
+NODE_ENV=production
+JWT_SECRET=${JWT_SECRET}
+TRUST_PROXY_ENABLED=${TRUST_PROXY_ENABLED:-true}
+TRUSTED_PROXY_IPS=${TRUSTED_PROXY_IPS:-172.0.0.0/8,10.0.0.0/8,192.168.0.0/16}
+HOSTNAME=${HOSTNAME:-localhost}
+EOF
     
+    echo "✅ .env Datei erstellt"
 else
     echo "ℹ️  .env Datei existiert bereits"
     
-    # Wenn .env existiert, aber JWT_SECRET Umgebungsvariable gesetzt ist, aktualisiere sie
+    # Update JWT_SECRET if provided
     if [ -n "$JWT_SECRET" ] && [ "$JWT_SECRET" != "your-secret-key-please-change" ]; then
         echo "🔑 Aktualisiere JWT Secret in .env Datei"
-        # Aktualisiere nur das JWT_SECRET in der .env Datei
         sed -i "s/^JWT_SECRET=.*/JWT_SECRET=$JWT_SECRET/" /app/.env
     fi
 fi
 
-# Validiere dass JWT_SECERT nicht der Standardwert ist
+# Validate JWT_SECRET
 if grep -q "JWT_SECRET=your-secret-key-please-change" /app/.env; then
     echo "❌ FEHLER: Standard JWT Secret in .env gefunden!"
     echo "❌ Bitte setzen Sie JWT_SECRET Umgebungsvariable"
     exit 1
 fi
 
-# Setze sichere Berechtigungen
 chmod 600 /app/.env
 
+echo "🔧 Proxy Configuration:"
+echo "   - TRUST_PROXY_ENABLED: ${TRUST_PROXY_ENABLED:-true}"
+echo "   - TRUSTED_PROXY_IPS: ${TRUSTED_PROXY_IPS:-172.0.0.0/8,10.0.0.0/8,192.168.0.0/16}"
 echo "🔧 Starte Anwendung..."
 exec "$@"

frontend/index.html

@@ -2,7 +2,7 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <link rel="icon" type="image/svg+xml" href="/donpat1to.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Shift Planning App</title>
   </head>

frontend/package.json

@@ -7,7 +7,9 @@
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-router-dom": "^6.28.0",
-    "date-fns": "4.1.0"
+    "date-fns": "4.1.0",
+    "@vitejs/plugin-react": "^4.3.3",
+    "vite": "^6.0.7"
   },
   "devDependencies": {
     "@types/node": "20.19.23",
@@ -25,7 +27,9 @@
     "esbuild": "^0.21.0",
     "terser": "5.44.0",
     "babel-plugin-transform-remove-console": "6.9.4",
-    "framer-motion": "12.23.24"
+    "framer-motion": "12.23.24",
+    "file-saver": "2.0.5",
+    "@types/file-saver": "2.0.5"
   },
   "scripts": {
     "dev": "vite dev",

frontend/src/App.tsx

@@ -15,6 +15,8 @@ import EmployeeManagement from './pages/Employees/EmployeeManagement';
 import Settings from './pages/Settings/Settings';
 import Help from './pages/Help/Help';
 import Setup from './pages/Setup/Setup';
+import ErrorBoundary from './components/ErrorBoundary/ErrorBoundary';
+import SecurityWarning from './components/SecurityWarning/SecurityWarning';
 
 // Free Footer Link Pages (always available)
 import FAQ from './components/Layout/FooterLinks/FAQ/FAQ';
@@ -160,14 +162,17 @@ const AppContent: React.FC = () => {
 
 function App() {
   return (
+    <ErrorBoundary>
       <NotificationProvider>
         <AuthProvider>
           <Router>
+            <SecurityWarning />
             <NotificationContainer />
             <AppContent />
           </Router>
         </AuthProvider>
       </NotificationProvider>
+    </ErrorBoundary>
   );
 }
 

frontend/src/components/ErrorBoundary/ErrorBoundary.tsx

@@ -0,0 +1,101 @@
+// src/components/ErrorBoundary/ErrorBoundary.tsx
+import React from 'react';
+
+interface Props {
+  children: React.ReactNode;
+  fallback?: React.ReactNode;
+}
+
+interface State {
+  hasError: boolean;
+  error?: Error;
+}
+
+class ErrorBoundary extends React.Component<Props, State> {
+  constructor(props: Props) {
+    super(props);
+    this.state = { hasError: false };
+  }
+
+  static getDerivedStateFromError(error: Error): State {
+    return { hasError: true, error };
+  }
+
+  componentDidCatch(error: Error, errorInfo: React.ErrorInfo) {
+    console.error('🚨 Application Error:', error);
+    console.error('📋 Error Details:', errorInfo);
+    
+    // In production, send to your error reporting service
+    // logErrorToService(error, errorInfo);
+  }
+
+  render() {
+    if (this.state.hasError) {
+      // You can render any custom fallback UI
+      return this.props.fallback || (
+        <div style={{ 
+          padding: '40px', 
+          textAlign: 'center',
+          fontFamily: 'Arial, sans-serif'
+        }}>
+          <div style={{ fontSize: '48px', marginBottom: '20px' }}>⚠️</div>
+          <h2>Oops! Something went wrong</h2>
+          <p style={{ margin: '20px 0', color: '#666' }}>
+            We encountered an unexpected error. Please try refreshing the page.
+          </p>
+          <div style={{ marginTop: '30px' }}>
+            <button
+              onClick={() => window.location.reload()}
+              style={{
+                padding: '10px 20px',
+                backgroundColor: '#007bff',
+                color: 'white',
+                border: 'none',
+                borderRadius: '4px',
+                cursor: 'pointer',
+                marginRight: '10px'
+              }}
+            >
+              Refresh Page
+            </button>
+            <button
+              onClick={() => this.setState({ hasError: false })}
+              style={{
+                padding: '10px 20px',
+                backgroundColor: '#6c757d',
+                color: 'white',
+                border: 'none',
+                borderRadius: '4px',
+                cursor: 'pointer'
+              }}
+            >
+              Try Again
+            </button>
+          </div>
+          {process.env.NODE_ENV === 'development' && this.state.error && (
+            <details style={{ 
+              marginTop: '20px', 
+              textAlign: 'left',
+              background: '#f8f9fa',
+              padding: '15px',
+              borderRadius: '4px'
+            }}>
+              <summary>Error Details (Development)</summary>
+              <pre style={{ 
+                whiteSpace: 'pre-wrap',
+                fontSize: '12px',
+                color: '#dc3545'
+              }}>
+                {this.state.error.stack}
+              </pre>
+            </details>
+          )}
+        </div>
+      );
+    }
+
+    return this.props.children;
+  }
+}
+
+export default ErrorBoundary;

frontend/src/components/SecurityWarning/SecurityWarning.tsx

@@ -0,0 +1,59 @@
+// src/components/SecurityWarning/SecurityWarning.tsx
+import React, { useState, useEffect } from 'react';
+
+const SecurityWarning: React.FC = () => {
+  const [isHttp, setIsHttp] = useState(false);
+  const [isDismissed, setIsDismissed] = useState(false);
+
+  useEffect(() => {
+    // Check if current protocol is HTTP
+    const checkProtocol = () => {
+      setIsHttp(window.location.protocol === 'http:');
+    };
+
+    checkProtocol();
+    window.addEventListener('load', checkProtocol);
+    
+    return () => window.removeEventListener('load', checkProtocol);
+  }, []);
+
+  if (!isHttp || isDismissed) {
+    return null;
+  }
+
+  return (
+    <div style={{
+      position: 'fixed',
+      top: 0,
+      left: 0,
+      right: 0,
+      backgroundColor: '#ff6b35',
+      color: 'white',
+      padding: '10px 20px',
+      textAlign: 'center',
+      zIndex: 10000,
+      fontSize: '14px',
+      fontWeight: 'bold',
+      boxShadow: '0 2px 4px rgba(0,0,0,0.2)'
+    }}>
+      ⚠️ SECURITY WARNING: This site is being accessed over HTTP. 
+      For secure communication, please use HTTPS.
+      <button 
+        onClick={() => setIsDismissed(true)}
+        style={{
+          marginLeft: '15px',
+          background: 'rgba(255,255,255,0.2)',
+          border: '1px solid white',
+          color: 'white',
+          padding: '2px 8px',
+          borderRadius: '3px',
+          cursor: 'pointer'
+        }}
+      >
+        Dismiss
+      </button>
+    </div>
+  );
+};
+
+export default SecurityWarning;

frontend/src/design/DesignSystem.txt

@@ -20,6 +20,8 @@ export const designTokens = {
       10: '#ebd7fa',
     },
 
+    manager: '#CC0000',
+    
     // Semantic Colors
     primary: '#51258f',
     secondary: '#642ab5',

frontend/src/pages/ShiftPlans/ShiftPlanView.tsx

@@ -1,5 +1,5 @@
 // frontend/src/pages/ShiftPlans/ShiftPlanView.tsx
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useRef } from 'react';
 import { useParams, useNavigate } from 'react-router-dom';
 import { useAuth } from '../../contexts/AuthContext';
 import { shiftPlanService } from '../../services/shiftPlanService';
@@ -10,6 +10,7 @@ import { ShiftPlan, TimeSlot, ScheduledShift } from '../../models/ShiftPlan';
 import { Employee, EmployeeAvailability } from '../../models/Employee';
 import { useNotification } from '../../contexts/NotificationContext';
 import { formatDate, formatTime } from '../../utils/foramatters';
+import { saveAs } from 'file-saver';
 
 // Local interface extensions (same as AvailabilityManager)
 interface ExtendedTimeSlot extends TimeSlot {
@@ -54,6 +55,13 @@ const ShiftPlanView: React.FC = () => {
   const [scheduledShifts, setScheduledShifts] = useState<ScheduledShift[]>([]);
   const [showAssignmentPreview, setShowAssignmentPreview] = useState(false);
   const [recreating, setRecreating] = useState(false);
+  const [exporting, setExporting] = useState(false);
+  const [exportDropdownOpen, setExportDropdownOpen] = useState(false);
+  const [selectedExportType, setSelectedExportType] = useState('');
+  const [showExportButton, setShowExportButton] = useState(false);
+  const [dropdownWidth, setDropdownWidth] = useState(0);
+
+  const dropdownRef = useRef<HTMLDivElement>(null);
 
   useEffect(() => {
     loadShiftPlanData();
@@ -88,6 +96,13 @@ const ShiftPlanView: React.FC = () => {
     };
   }, []);
 
+  // Measure dropdown width when it opens
+  useEffect(() => {
+    if (exportDropdownOpen && dropdownRef.current) {
+      setDropdownWidth(dropdownRef.current.offsetWidth);
+    }
+  }, [exportDropdownOpen]);
+
   // Add this useEffect to debug state changes
   useEffect(() => {
     console.log('🔍 STATE DEBUG - showAssignmentPreview:', showAssignmentPreview);
@@ -240,6 +255,53 @@ const ShiftPlanView: React.FC = () => {
     };
   };
 
+  const handleExport = async () => {
+    if (!shiftPlan || !selectedExportType) return;
+
+    try {
+      setExporting(true);
+
+      let blob: Blob;
+      if (selectedExportType === 'PDF') {
+        // Call the PDF export service
+        blob = await shiftPlanService.exportShiftPlanToPDF(shiftPlan.id);
+      } else {
+        // Call the Excel export service
+        blob = await shiftPlanService.exportShiftPlanToExcel(shiftPlan.id);
+      }
+
+      // Use file-saver to download the file
+      const fileExtension = selectedExportType.toLowerCase();
+      saveAs(blob, `Schichtplan_${shiftPlan.name}_${new Date().toISOString().split('T')[0]}.${fileExtension}`);
+
+      showNotification({
+        type: 'success',
+        title: 'Export erfolgreich',
+        message: `Der Schichtplan wurde als ${selectedExportType}-Datei exportiert.`
+      });
+
+      // Reset export state
+      setSelectedExportType('');
+      setShowExportButton(false);
+
+    } catch (error) {
+      console.error(`Error exporting to ${selectedExportType}:`, error);
+      showNotification({
+        type: 'error',
+        title: 'Export fehlgeschlagen',
+        message: `Der ${selectedExportType}-Export konnte nicht durchgeführt werden.`
+      });
+    } finally {
+      setExporting(false);
+    }
+  };
+
+  const handleExportTypeSelect = (type: string) => {
+    setSelectedExportType(type);
+    setExportDropdownOpen(false);
+    setShowExportButton(true);
+  };
+
   const loadShiftPlanData = async () => {
     if (!id) return;
 
@@ -398,14 +460,6 @@ const ShiftPlanView: React.FC = () => {
       console.log('- Shift Patterns:', shiftPlan.shifts?.length || 0);
       console.log('- Scheduled Shifts:', scheduledShifts.length);
 
-      // DEBUG: Show shift pattern IDs
-      if (shiftPlan.shifts) {
-        console.log('📋 SHIFT PATTERN IDs:');
-        shiftPlan.shifts.forEach((shift, index) => {
-          console.log(`   ${index + 1}. ${shift.id} (Day ${shift.dayOfWeek}, TimeSlot ${shift.timeSlotId})`);
-        });
-      }
-
       const constraints = {
         enforceNoTraineeAlone: true,
         enforceExperiencedWithChef: true,
@@ -650,6 +704,20 @@ const ShiftPlanView: React.FC = () => {
     return employeesWithoutAvailabilities.length === 0;
   };
 
+  const canPublishAssignment = (): boolean => {
+    if (!assignmentResult) return false;
+
+    // Check if assignment was successful
+    if (assignmentResult.success === false) return false;
+
+    // Check if there are any critical violations
+    const hasCriticalViolations = assignmentResult.violations.some(v =>
+      v.includes('ERROR:') || v.includes('KRITISCH:')
+    );
+
+    return !hasCriticalViolations;
+  };
+
   const getAvailabilityStatus = () => {
     const totalEmployees = employees.length;
     const employeesWithAvailabilities = new Set(
@@ -820,9 +888,6 @@ const ShiftPlanView: React.FC = () => {
                     <div style={{ fontSize: '14px', color: '#666' }}>
                       {formatTime(timeSlot.startTime)} - {formatTime(timeSlot.endTime)}
                     </div>
-                    <div style={{ fontSize: '11px', color: '#999', marginTop: '4px' }}>
-                      ID: {timeSlot.id.substring(0, 8)}...
-                    </div>
                   </td>
                   {days.map(weekday => {
                     const shift = timeSlot.shiftsByDay[weekday.id];
@@ -846,7 +911,55 @@ const ShiftPlanView: React.FC = () => {
                     const isValidShift = shift.timeSlotId === timeSlot.id && shift.dayOfWeek === weekday.id;
 
                     let assignedEmployees: string[] = [];
-                    let displayText = '';
+                    let displayContent: React.ReactNode = null;
+
+                    // Helper function to create employee boxes
+                    const createEmployeeBoxes = (employeeIds: string[]) => {
+                      return employeeIds.map(empId => {
+                        const employee = employees.find(emp => emp.id === empId);
+                        if (!employee) return null;
+
+                        // Determine background color based on employee role
+                        let backgroundColor = '#642ab5'; // Default: non-trainee personnel (purple)
+
+                        if (employee.isTrainee) {
+                          backgroundColor = '#cda8f0'; // Trainee
+                        } else if (employee.employeeType === 'manager') {
+                          backgroundColor = '#CC0000'; // Manager
+                        }
+
+                        return (
+                          <div
+                            key={empId}
+                            style={{
+                              backgroundColor,
+                              color: 'white',
+                              padding: '4px 8px',
+                              borderRadius: '4px',
+                              marginBottom: '2px',
+                              fontSize: '12px',
+                              textAlign: 'center',
+                              whiteSpace: 'nowrap',
+                              overflow: 'hidden',
+                              textOverflow: 'ellipsis'
+                            }}
+                            title={`${employee.firstname} ${employee.lastname}${employee.isTrainee ? ' (Trainee)' : ''}`}
+                          >
+                            {employee.firstname} {employee.lastname}
+                          </div>
+                        );
+                      }).filter(Boolean);
+                    };
+
+                    // Helper function to get fallback content
+                    const getFallbackContent = () => {
+                      const shiftsForSlot = shiftPlan?.shifts?.filter(s =>
+                        s.dayOfWeek === weekday.id &&
+                        s.timeSlotId === timeSlot.id
+                      ) || [];
+                      const totalRequired = shiftsForSlot.reduce((sum, s) => sum + s.requiredEmployees, 0);
+                      return totalRequired === 0 ? '-' : `0/${totalRequired}`;
+                    };
 
                     if (shiftPlan?.status === 'published') {
                       // For published plans, use actual assignments from scheduled shifts
@@ -859,15 +972,21 @@ const ShiftPlanView: React.FC = () => {
                       if (scheduledShift) {
                         assignedEmployees = scheduledShift.assignedEmployees || [];
 
-                        // DEBUG: Log if we're still seeing old data
+                        // Log if we're still seeing old data
                         if (assignedEmployees.length > 0) {
                           console.warn(`⚠️ Found non-empty assignments for ${weekday.name} ${timeSlot.name}:`, assignedEmployees);
                         }
 
-                        displayText = assignedEmployees.map(empId => {
-                          const employee = employees.find(emp => emp.id === empId);
-                          return employee ? `${employee.firstname} ${employee.lastname}` : 'Unbekannt';
-                        }).join(', ');
+                        const employeeBoxes = createEmployeeBoxes(assignedEmployees);
+                        displayContent = employeeBoxes.length > 0 ? (
+                          <div style={{ display: 'flex', flexDirection: 'column', gap: '2px' }}>
+                            {employeeBoxes}
+                          </div>
+                        ) : (
+                          <div style={{ color: '#666', fontStyle: 'italic' }}>
+                            {getFallbackContent()}
+                          </div>
+                        );
                       }
                     } else if (assignmentResult) {
                       // For draft with preview, use assignment result
@@ -879,30 +998,26 @@ const ShiftPlanView: React.FC = () => {
 
                       if (scheduledShift) {
                         assignedEmployees = getAssignmentsForScheduledShift(scheduledShift);
-                        displayText = assignedEmployees.map(empId => {
-                          const employee = employees.find(emp => emp.id === empId);
-                          return employee ? `${employee.firstname} ${employee.lastname}` : 'Unbekannt';
-                        }).join(', ');
+                        const employeeBoxes = createEmployeeBoxes(assignedEmployees);
+                        displayContent = employeeBoxes.length > 0 ? (
+                          <div style={{ display: 'flex', flexDirection: 'column', gap: '2px' }}>
+                            {employeeBoxes}
+                          </div>
+                        ) : (
+                          <div style={{ color: '#666', fontStyle: 'italic' }}>
+                            {getFallbackContent()}
+                          </div>
+                        );
                       }
                     }
 
-                    // If no assignments yet, show empty or required count
-                    if (!displayText) {
-                      const shiftsForSlot = shiftPlan?.shifts?.filter(s => 
-                        s.dayOfWeek === weekday.id && 
-                        s.timeSlotId === timeSlot.id
-                      ) || [];
-                      
-                      const totalRequired = shiftsForSlot.reduce((sum, s) => 
-                        sum + s.requiredEmployees, 0);
-                      
-                      // Show "0/2" instead of just "0" to indicate it's empty
-                      displayText = `0/${totalRequired}`;
-                      
-                      // Optional: Show empty state more clearly
-                      if (totalRequired === 0) {
-                        displayText = '-';
-                      }
+                    // If no display content set yet, use fallback
+                    if (!displayContent) {
+                      displayContent = (
+                        <div style={{ color: '#666', fontStyle: 'italic' }}>
+                          {getFallbackContent()}
+                        </div>
+                      );
                     }
 
                     return (
@@ -937,7 +1052,7 @@ const ShiftPlanView: React.FC = () => {
                           </div>
                         )}
 
-                        {displayText}
+                        {displayContent}
 
                         {/* Shift debug info - SAME AS AVAILABILITYMANAGER */}
                         <div style={{
@@ -947,8 +1062,6 @@ const ShiftPlanView: React.FC = () => {
                           textAlign: 'left',
                           fontFamily: 'monospace'
                         }}>
-                          <div>Shift: {shift.id.substring(0, 6)}...</div>
-                          <div>Day: {shift.dayOfWeek}</div>
                           {!isValidShift && (
                             <div style={{ color: '#e74c3c', fontWeight: 'bold' }}>
                               VALIDATION ERROR
@@ -964,6 +1077,77 @@ const ShiftPlanView: React.FC = () => {
           </table>
         </div>
 
+        {/* Export Dropdown - Only show when plan is published */}
+        {shiftPlan?.status === 'published' && (
+          <div style={{
+            padding: '15px 20px',
+            backgroundColor: '#f8f9fa',
+            borderTop: '1px solid #e0e0e0',
+            display: 'flex',
+            justifyContent: 'flex-end',
+            alignItems: 'center',
+            gap: '10px'
+          }}>
+            <div style={{ position: 'relative', display: 'inline-block' }}>
+              {/* Export Dropdown */}
+              <div
+                ref={dropdownRef}
+                style={{
+                  position: 'relative',
+                  transform: showExportButton ? `translateX(-${dropdownWidth}px)` : 'translateX(0)',
+                  opacity: showExportButton ? 0 : 1,
+                  transition: 'all 0.3s ease',
+                  pointerEvents: showExportButton ? 'none' : 'auto'
+                }}
+              >
+                <select
+                  value=""
+                  onChange={(e) => handleExportTypeSelect(e.target.value)}
+                  onFocus={() => setExportDropdownOpen(true)}
+                  onBlur={() => setTimeout(() => setExportDropdownOpen(false), 200)}
+                  style={{
+                    padding: '8px 16px',
+                    border: '1px solid #ddd',
+                    borderRadius: '4px',
+                    backgroundColor: 'white',
+                    cursor: 'pointer',
+                    minWidth: '120px'
+                  }}
+                >
+                  <option value="">Export</option>
+                  <option value="PDF">PDF</option>
+                  <option value="Excel">Excel</option>
+                </select>
+              </div>
+
+              {/* Export Button */}
+              {showExportButton && (
+                <button
+                  onClick={handleExport}
+                  disabled={exporting}
+                  style={{
+                    padding: '8px 16px',
+                    backgroundColor: '#51258f',
+                    color: 'white',
+                    border: 'none',
+                    borderRadius: '4px',
+                    cursor: exporting ? 'not-allowed' : 'pointer',
+                    fontWeight: 'bold',
+                    position: 'absolute',
+                    right: 0,
+                    top: 0,
+                    opacity: showExportButton ? 1 : 0,
+                    transform: showExportButton ? 'translateX(0)' : 'translateX(20px)',
+                    transition: 'all 0.3s ease',
+                    minWidth: '120px'
+                  }}
+                >
+                  {exporting ? 'Exportiert...' : 'EXPORT'}
+                </button>
+              )}
+            </div>
+          </div>
+        )}
       </div>
     );
   };
@@ -1005,6 +1189,7 @@ const ShiftPlanView: React.FC = () => {
           </div>
         </div>
         <div style={{ display: 'flex', gap: '10px', alignItems: 'center' }}>
+          {/* "Zuweisungen neu berechnen" button */}
           {shiftPlan.status === 'published' && hasRole(['admin', 'maintenance']) && (
             <button
               onClick={handleRecreateAssignments}
@@ -1197,15 +1382,13 @@ const ShiftPlanView: React.FC = () => {
               </div>
             )}
 
-            {/* KORRIGIERTE ZUSAMMENFASSUNG */}
+            {/* ZUSAMMENFASSUNG */}
             {assignmentResult && (
               <div style={{ marginBottom: '20px' }}>
                 <h4>Zusammenfassung:</h4>
 
                 {/* Entscheidung basierend auf tatsächlichen kritischen Problemen */}
-                {assignmentResult.violations.filter(v => 
-                  v.includes('ERROR:') || v.includes('❌ KRITISCH:')
-                ).length === 0 ? (
+                {(assignmentResult.violations.length === 0) || assignmentResult.success == true ? (
                   <div style={{
                     padding: '15px',
                     backgroundColor: '#d4edda',
@@ -1288,32 +1471,24 @@ const ShiftPlanView: React.FC = () => {
                 Abbrechen
               </button>
 
-              {/* KORRIGIERTER BUTTON MIT TYPESCRIPT-FIX */}
+              {/* BUTTON zum publishen */}
               <button
                 onClick={handlePublish}
-                disabled={publishing || (assignmentResult ? assignmentResult.violations.filter(v => 
-                  v.includes('ERROR:') || v.includes('❌ KRITISCH:')
-                ).length > 0 : true)}
+                disabled={publishing || !canPublishAssignment()}
                 style={{
                   padding: '10px 20px',
-                  backgroundColor: assignmentResult ? (assignmentResult.violations.filter(v => 
-                    v.includes('ERROR:') || v.includes('❌ KRITISCH:')
-                  ).length === 0 ? '#2ecc71' : '#95a5a6') : '#95a5a6',
+                  backgroundColor: canPublishAssignment() ? '#2ecc71' : '#95a5a6',
                   color: 'white',
                   border: 'none',
                   borderRadius: '4px',
-                  cursor: assignmentResult ? (assignmentResult.violations.filter(v => 
-                    v.includes('ERROR:') || v.includes('❌ KRITISCH:')
-                  ).length === 0 ? 'pointer' : 'not-allowed') : 'not-allowed',
+                  cursor: canPublishAssignment() ? 'pointer' : 'not-allowed',
                   fontWeight: 'bold',
                   fontSize: '16px'
                 }}
               >
                 {publishing ? 'Veröffentliche...' : (
                   assignmentResult ? (
-                    assignmentResult.violations.filter(v => 
-                      v.includes('ERROR:') || v.includes('❌ KRITISCH:')
-                    ).length === 0 
+                    canPublishAssignment()
                       ? 'Schichtplan veröffentlichen'
                       : 'Kritische Probleme müssen behoben werden'
                   ) : 'Lade Zuordnungen...'

frontend/src/services/apiClient.ts

@@ -26,7 +26,7 @@ export class ApiClient {
     return token ? { 'Authorization': `Bearer ${token}` } : {};
   }
 
-  private async handleApiResponse<T>(response: Response): Promise<T> {
+  private async handleApiResponse<T>(response: Response, responseType: 'json' | 'blob' = 'json'): Promise<T> {
     if (!response.ok) {
       let errorData;
       
@@ -61,7 +61,12 @@ export class ApiClient {
       );
     }
 
-    // For successful responses, try to parse as JSON
+    // Handle blob responses (for file downloads)
+    if (responseType === 'blob') {
+      return response.blob() as Promise<T>;
+    }
+
+    // For successful JSON responses, try to parse as JSON
     try {
       const responseText = await response.text();
       return responseText ? JSON.parse(responseText) : {} as T;
@@ -71,7 +76,7 @@ export class ApiClient {
     }
   }
 
-  async request<T>(endpoint: string, options: RequestInit = {}): Promise<T> {
+  async request<T>(endpoint: string, options: RequestInit = {}, responseType: 'json' | 'blob' = 'json'): Promise<T> {
     const url = `${this.baseURL}${endpoint}`;
     
     const config: RequestInit = {
@@ -85,7 +90,7 @@ export class ApiClient {
 
     try {
       const response = await fetch(url, config);
-      return await this.handleApiResponse<T>(response);
+      return await this.handleApiResponse<T>(response, responseType);
     } catch (error) {
       // Re-throw the error to be caught by useBackendValidation
       if (error instanceof ApiError) {

frontend/src/services/shiftPlanService.ts

@@ -126,4 +126,60 @@ export const shiftPlanService = {
       throw error;
     }
   },
+
+  async exportShiftPlanToExcel(planId: string): Promise<Blob> {
+    try {
+      console.log('📊 Exporting shift plan to Excel:', planId);
+      
+      // Use the apiClient with blob response handling
+      const blob = await apiClient.request<Blob>(`/shift-plans/${planId}/export/excel`, {
+        method: 'GET',
+      }, 'blob');
+      
+      console.log('✅ Excel export successful');
+      return blob;
+    } catch (error: any) {
+      console.error('❌ Error exporting to Excel:', error);
+      
+      if (error.statusCode === 401) {
+        localStorage.removeItem('token');
+        localStorage.removeItem('employee');
+        throw new Error('Nicht authorisiert - bitte erneut anmelden');
+      }
+      
+      if (error.statusCode === 404) {
+        throw new Error('Schichtplan nicht gefunden');
+      }
+      
+      throw new Error('Fehler beim Excel-Export des Schichtplans');
+    }
+  },
+
+  async exportShiftPlanToPDF(planId: string): Promise<Blob> {
+    try {
+      console.log('📄 Exporting shift plan to PDF:', planId);
+      
+      // Use the apiClient with blob response handling
+      const blob = await apiClient.request<Blob>(`/shift-plans/${planId}/export/pdf`, {
+        method: 'GET',
+      }, 'blob');
+      
+      console.log('✅ PDF export successful');
+      return blob;
+    } catch (error: any) {
+      console.error('❌ Error exporting to PDF:', error);
+      
+      if (error.statusCode === 401) {
+        localStorage.removeItem('token');
+        localStorage.removeItem('employee');
+        throw new Error('Nicht authorisiert - bitte erneut anmelden');
+      }
+      
+      if (error.statusCode === 404) {
+        throw new Error('Schichtplan nicht gefunden');
+      }
+      
+      throw new Error('Fehler beim PDF-Export des Schichtplans');
+    }
+  },
 };