removed debug infor

backend/src/python-scripts/progress_data/run_20251021_111611_693047_success.json

@@ -0,0 +1,32 @@
+{
+  "timestamp": "2025-10-21T11:16:11.693081",
+  "success": true,
+  "metadata": {
+    "solveTime": 0.0218085,
+    "constraintsAdded": 217,
+    "variablesCreated": 90,
+    "optimal": true
+  },
+  "progress": [
+    {
+      "timestamp": 0.00886988639831543,
+      "objective": 1050.0,
+      "bound": 2100.0,
+      "solution_count": 1
+    },
+    {
+      "timestamp": 0.009304285049438477,
+      "objective": 1300.0,
+      "bound": 1300.0,
+      "solution_count": 2
+    }
+  ],
+  "solution_summary": {
+    "assignments_count": 15,
+    "violations_count": 0,
+    "variables_count": 90,
+    "constraints_count": 217,
+    "solve_time": 0.0218085,
+    "optimal": true
+  }
+}

backend/src/python-scripts/progress_data/run_20251021_111616_813035_success.json

@@ -0,0 +1,38 @@
+{
+  "timestamp": "2025-10-21T11:16:16.813066",
+  "success": true,
+  "metadata": {
+    "solveTime": 0.0158702,
+    "constraintsAdded": 217,
+    "variablesCreated": 90,
+    "optimal": true
+  },
+  "progress": [
+    {
+      "timestamp": 0.008541107177734375,
+      "objective": 1050.0,
+      "bound": 2000.0,
+      "solution_count": 1
+    },
+    {
+      "timestamp": 0.00941777229309082,
+      "objective": 1250.0,
+      "bound": 1300.0,
+      "solution_count": 2
+    },
+    {
+      "timestamp": 0.009499549865722656,
+      "objective": 1300.0,
+      "bound": 1300.0,
+      "solution_count": 3
+    }
+  ],
+  "solution_summary": {
+    "assignments_count": 15,
+    "violations_count": 0,
+    "variables_count": 90,
+    "constraints_count": 217,
+    "solve_time": 0.0158702,
+    "optimal": true
+  }
+}

backend/src/python-scripts/run_20251021_105426_failure.json

@@ -0,0 +1,32 @@
+{
+  "timestamp": "2025-10-21T10:54:26.093544",
+  "success": false,
+  "metadata": {
+    "solveTime": 0,
+    "constraintsAdded": 0,
+    "variablesCreated": 0,
+    "optimal": false
+  },
+  "progress": [],
+  "solution_summary": {
+    "assignments_count": 0,
+    "violations_count": 1,
+    "variables_count": 0,
+    "constraints_count": 0,
+    "solve_time": 0,
+    "optimal": false
+  },
+  "full_result": {
+    "assignments": [],
+    "violations": [
+      "Error: 'SolutionCallback' object has no attribute 'HasObjective'"
+    ],
+    "success": false,
+    "metadata": {
+      "solveTime": 0,
+      "constraintsAdded": 0,
+      "variablesCreated": 0,
+      "optimal": false
+    }
+  }
+}

backend/src/python-scripts/run_20251021_105936_failure.json

@@ -0,0 +1,19 @@
+{
+  "timestamp": "2025-10-21T10:59:36.646855",
+  "success": false,
+  "metadata": {
+    "solveTime": 0,
+    "constraintsAdded": 0,
+    "variablesCreated": 0,
+    "optimal": false
+  },
+  "progress": [],
+  "solution_summary": {
+    "assignments_count": 0,
+    "violations_count": 1,
+    "variables_count": 0,
+    "constraints_count": 0,
+    "solve_time": 0,
+    "optimal": false
+  }
+}

backend/src/python-scripts/run_20251021_110336_success.json

@@ -0,0 +1,38 @@
+{
+  "timestamp": "2025-10-21T11:03:36.697986",
+  "success": true,
+  "metadata": {
+    "solveTime": 0.025875500000000003,
+    "constraintsAdded": 217,
+    "variablesCreated": 90,
+    "optimal": true
+  },
+  "progress": [
+    {
+      "timestamp": 0.008769989013671875,
+      "objective": 1050.0,
+      "bound": 2000.0,
+      "solution_count": 1
+    },
+    {
+      "timestamp": 0.009685516357421875,
+      "objective": 1250.0,
+      "bound": 1700.0,
+      "solution_count": 2
+    },
+    {
+      "timestamp": 0.010709047317504883,
+      "objective": 1300.0,
+      "bound": 1300.0,
+      "solution_count": 3
+    }
+  ],
+  "solution_summary": {
+    "assignments_count": 15,
+    "violations_count": 0,
+    "variables_count": 90,
+    "constraints_count": 217,
+    "solve_time": 0.025875500000000003,
+    "optimal": true
+  }
+}

backend/src/python-scripts/scheduling_solver.py

@@ -3,8 +3,151 @@ from ortools.sat.python import cp_model
 import json
 import sys
 import re
+import os
+import logging
+import time
+from pathlib import Path
+from datetime import datetime, timedelta
 from collections import defaultdict
 
+# Configure logging
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+class ProductionProgressManager:
+    def __init__(self, script_dir, max_files=1000, retention_days=7):
+        self.script_dir = Path(script_dir)
+        self.progress_dir = self.script_dir / "progress_data"
+        self.max_files = max_files
+        self.retention_days = retention_days
+        self._ensure_directory()
+        self._cleanup_old_files()
+    
+    def _ensure_directory(self):
+        """Create progress directory if it doesn't exist"""
+        try:
+            self.progress_dir.mkdir(exist_ok=True)
+            # Set secure permissions (read/write for owner only)
+            self.progress_dir.chmod(0o700)
+        except Exception as e:
+            logger.warning(f"Could not create progress directory: {e}")
+    
+    def _cleanup_old_files(self):
+        """Remove old progress files based on retention policy"""
+        try:
+            cutoff_time = datetime.now() - timedelta(days=self.retention_days)
+            files = list(self.progress_dir.glob("run_*.json"))
+            
+            # Sort by modification time and remove oldest if over limit
+            if len(files) > self.max_files:
+                files.sort(key=lambda x: x.stat().st_mtime)
+                for file_to_delete in files[:len(files) - self.max_files]:
+                    file_to_delete.unlink()
+                    logger.info(f"Cleaned up old progress file: {file_to_delete}")
+            
+            # Remove files older than retention period
+            for file_path in files:
+                if datetime.fromtimestamp(file_path.stat().st_mtime) < cutoff_time:
+                    file_path.unlink()
+                    logger.info(f"Removed expired progress file: {file_path}")
+                    
+        except Exception as e:
+            logger.warning(f"Progress cleanup failed: {e}")
+    
+    def save_progress(self, result, progress_data):
+        """Safely save progress data with production considerations"""
+        try:
+            # Check disk space before writing (min 100MB free)
+            if not self._check_disk_space():
+                logger.warning("Insufficient disk space, skipping progress save")
+                return None
+            
+            timestamp = datetime.now().strftime("%Y%m%d_%H%M%S_%f")
+            success_status = "success" if result.get('success', False) else "failure"
+            filename = f"run_{timestamp}_{success_status}.json"
+            filepath = self.progress_dir / filename
+            
+            # Prepare safe data (exclude sensitive information)
+            safe_data = {
+                'timestamp': datetime.now().isoformat(),
+                'success': result.get('success', False),
+                'metadata': result.get('metadata', {}),
+                'progress': progress_data,
+                'solution_summary': {
+                    'assignments_count': len(result.get('assignments', [])),
+                    'violations_count': len(result.get('violations', [])),
+                    'variables_count': result.get('metadata', {}).get('variablesCreated', 0),
+                    'constraints_count': result.get('metadata', {}).get('constraintsAdded', 0),
+                    'solve_time': result.get('metadata', {}).get('solveTime', 0),
+                    'optimal': result.get('metadata', {}).get('optimal', False)
+                }
+                # ❌ REMOVED: 'full_result' containing potentially sensitive data
+            }
+            
+            # Atomic write with temporary file
+            temp_filepath = filepath.with_suffix('.tmp')
+            with open(temp_filepath, 'w', encoding='utf-8') as f:
+                json.dump(safe_data, f, indent=2, ensure_ascii=False)
+            
+            # Atomic rename
+            temp_filepath.rename(filepath)
+            # Set secure file permissions
+            filepath.chmod(0o600)
+            
+            logger.info(f"Progress data saved: {filename}")
+            return str(filepath)
+            
+        except Exception as e:
+            logger.error(f"Failed to save progress data: {e}")
+            return None
+    
+    def _check_disk_space(self, min_free_mb=100):
+        """Check if there's sufficient disk space"""
+        try:
+            stat = os.statvfs(self.progress_dir)
+            free_mb = (stat.f_bavail * stat.f_frsize) / (1024 * 1024)
+            return free_mb >= min_free_mb
+        except:
+            return True  # Continue if we can't check disk space
+
+class SimpleSolutionCallback(cp_model.CpSolverSolutionCallback):
+    """A simplified callback that only counts solutions"""
+    def __init__(self):
+        cp_model.CpSolverSolutionCallback.__init__(self)
+        self.__solution_count = 0
+        self.start_time = time.time()
+        self.solutions = []
+
+    def on_solution_callback(self):
+        current_time = time.time() - self.start_time
+        self.__solution_count += 1
+        
+        # Try to get objective value safely
+        try:
+            objective_value = self.ObjectiveValue()
+        except:
+            objective_value = 0
+            
+        # Try to get bound safely  
+        try:
+            best_bound = self.BestObjectiveBound()
+        except:
+            best_bound = 0
+
+        solution_info = {
+            'timestamp': current_time,
+            'objective': objective_value,
+            'bound': best_bound,
+            'solution_count': self.__solution_count
+        }
+        
+        self.solutions.append(solution_info)
+        print(f"Progress: Solution {self.__solution_count}, Objective: {objective_value}, Time: {current_time:.2f}s", file=sys.stderr)
+
+    def solution_count(self):
+        return self.__solution_count
+
+
 class UniversalSchedulingSolver:
     def __init__(self):
         self.model = cp_model.CpModel()
@@ -13,6 +156,14 @@ class UniversalSchedulingSolver:
         self.solver.parameters.num_search_workers = 8
         self.solver.parameters.log_search_progress = False
         
+        # 🆕 Initialize production-safe progress manager
+        script_dir = os.path.dirname(os.path.abspath(__file__))
+        self.progress_manager = ProductionProgressManager(
+            script_dir=script_dir,
+            max_files=1000,  # Keep last 1000 runs
+            retention_days=7  # Keep files for 7 days
+        )
+    
     def solve_from_model_data(self, model_data):
         """Solve from pre-built model data (variables, constraints, objective)"""
         try:
@@ -48,36 +199,70 @@ class UniversalSchedulingSolver:
                     # Add a default objective if main objective fails
                     self.model.Maximize(sum(cp_vars.values()))
             
-            # Solve
+            # Solve with callback
-            status = self.solver.Solve(self.model)
+            callback = SimpleSolutionCallback()
+            status = self.solver.SolveWithSolutionCallback(self.model, callback)
             
             result = self._format_solution(status, cp_vars, model_data)
             result['metadata']['constraintsAdded'] = constraints_added
+            
+            # 🆕 Production-safe progress saving
+            if callback.solutions:
+                result['progress'] = callback.solutions
+                self.progress_manager.save_progress(result, callback.solutions)
+            else:
+                result['progress'] = []
+                self.progress_manager.save_progress(result, [])
+            
             return result
             
         except Exception as e:
-            return self._error_result(str(e))
+            error_result = self._error_result(str(e))
+            self.progress_manager.save_progress(error_result, [])
+            return error_result
+    
+    def _save_progress_data(self, result, progress_data):
+        """Save progress data to file in the same directory as this script"""
+        try:
+            # Get current script directory
+            script_dir = os.path.dirname(os.path.abspath(__file__))
+            
+            # Create filename with timestamp and success status
+            timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+            success_status = "success" if result.get('success', False) else "failure"
+            filename = f"run_{timestamp}_{success_status}.json"
+            filepath = os.path.join(script_dir, filename)
+            
+            # Prepare data to save
+            data_to_save = {
+                'timestamp': datetime.now().isoformat(),
+                'success': result.get('success', False),
+                'metadata': result.get('metadata', {}),
+                'progress': progress_data,
+                'solution_summary': {
+                    'assignments_count': len(result.get('assignments', [])),
+                    'violations_count': len(result.get('violations', [])),
+                    'variables_count': result.get('metadata', {}).get('variablesCreated', 0),
+                    'constraints_count': result.get('metadata', {}).get('constraintsAdded', 0),
+                    'solve_time': result.get('metadata', {}).get('solveTime', 0),
+                    'optimal': result.get('metadata', {}).get('optimal', False)
+                }
+            }
+            
+            # Write to file
+            with open(filepath, 'w', encoding='utf-8') as f:
+                json.dump(data_to_save, f, indent=2, ensure_ascii=False)
+            
+            print(f"Progress data saved to: {filepath}", file=sys.stderr)
+            
+        except Exception as e:
+            print(f"Failed to save progress data: {e}", file=sys.stderr)
     
     def _add_constraint(self, expression, cp_vars):
         """Add constraint from expression string with enhanced parsing"""
         try:
             expression = expression.strip()
             
-            # Handle implication constraints (=>)
-            if '=>' in expression:
-                left, right = expression.split('=>', 1)
-                left_expr = self._parse_expression(left.strip(), cp_vars)
-                right_expr = self._parse_expression(right.strip(), cp_vars)
-                
-                # A => B is equivalent to (not A) or B
-                # In CP-SAT: AddBoolOr([A.Not(), B])
-                if hasattr(left_expr, 'Not') and hasattr(right_expr, 'Index'):
-                    self.model.AddImplication(left_expr, right_expr)
-                else:
-                    # Fallback: treat as linear constraint
-                    self.model.Add(left_expr <= right_expr)
-                return True
-            
             # Handle equality
             if ' == ' in expression:
                 left, right = expression.split(' == ', 1)
@@ -198,12 +383,11 @@ class UniversalSchedulingSolver:
                         assignments.append({
                             'shiftId': shift_id,
                             'employeeId': employee_id,
-                            'assignedAt': '2024-01-01T00:00:00Z',
+                            'assignedAt': datetime.now().isoformat() + 'Z',
                             'score': 100
                         })
             
             print(f"Debug: Found {len(assignments)} assignments", file=sys.stderr)
-            print(f"Debug: First 5 assignments: {assignments[:5]}", file=sys.stderr)
         else:
             print(f"Debug: Solver failed with status {status}", file=sys.stderr)
 
@@ -213,7 +397,7 @@ class UniversalSchedulingSolver:
             'assignments': assignments,
             'violations': [],
             'success': success,
-            'variables': variables,  # Include ALL variables for debugging
+            'variables': variables,
             'metadata': {
                 'solveTime': self.solver.WallTime(),
                 'constraintsAdded': len(model_data.get('constraints', [])),
@@ -227,9 +411,9 @@ class UniversalSchedulingSolver:
         status_map = {
             cp_model.OPTIMAL: 'OPTIMAL',
             cp_model.FEASIBLE: 'FEASIBLE',
-            cp_MODEL.INFEASIBLE: 'INFEASIBLE',
+            cp_model.INFEASIBLE: 'INFEASIBLE',
-            cp_MODEL.MODEL_INVALID: 'MODEL_INVALID',
+            cp_model.MODEL_INVALID: 'MODEL_INVALID',
-            cp_MODEL.UNKNOWN: 'UNKNOWN'
+            cp_model.UNKNOWN: 'UNKNOWN'
         }
         return status_map.get(status, f'UNKNOWN_STATUS_{status}')
     
@@ -248,7 +432,6 @@ class UniversalSchedulingSolver:
         }
 
 
-
 # Main execution
 if __name__ == "__main__":
     try:

backend/src/workers/cp-sat-wrapper.ts

@@ -8,6 +8,17 @@ import { SolverOptions, Solution, Assignment } from '../models/scheduling.js';
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 
+export interface ProgressStep {
+  timestamp: number;
+  objective: number;
+  bound: number;
+  solution_count: number;
+}
+
+export interface SolutionWithProgress extends Solution {
+  progress?: ProgressStep[];
+}
+
 export class CPModel {
   private modelData: any;
   
@@ -103,6 +114,10 @@ export class CPSolver {
 
       pythonProcess.stderr.on('data', (data) => {
         stderr += data.toString();
+        // 🆕 Real-time progress monitoring from stderr
+        if (data.toString().includes('Progress:')) {
+          console.log('Python Progress:', data.toString().trim());
+        }
       });
 
       pythonProcess.on('close', (code) => {
@@ -116,15 +131,16 @@ export class CPSolver {
         }
 
         try {
-          console.log('Python raw output:', stdout.substring(0, 500)); // Debug log
+          console.log('Python raw output:', stdout.substring(0, 500));
           
           const result = JSON.parse(stdout);
           
-          // ENHANCED: Better solution parsing
+          // Enhanced solution parsing with progress data
-          const solution: Solution = {
+          const solution: SolutionWithProgress = {
             success: result.success || false,
             assignments: result.assignments || [],
             violations: result.violations || [],
+            progress: result.progress || [], // 🆕 Parse progress data
             metadata: {
               solveTime: result.metadata?.solveTime || 0,
               constraintsAdded: result.metadata?.constraintsAdded || 0,
@@ -134,7 +150,7 @@ export class CPSolver {
             variables: result.variables || {}
           };
 
-          console.log(`Python solver result: success=${solution.success}, assignments=${solution.assignments.length}`);
+          console.log(`Python solver result: success=${solution.success}, assignments=${solution.assignments.length}, progress_steps=${solution.progress?.length}`);
           
           resolve(solution);
         } catch (parseError) {

frontend/src/pages/Dashboard/Dashboard.tsx

@@ -343,31 +343,54 @@ const Dashboard: React.FC = () => {
 
   return (
     <div>
-      {/* Willkommens-Bereich */}
+      {/* Minimalist Welcome Section */}
-      <div style={{ 
+      <div
-        backgroundColor: '#e8f4fd', 
+        style={{
-        padding: '25px', 
+          width: '100vw',
-        borderRadius: '8px',
+          position: 'relative',
-        marginBottom: '30px',
+          left: '50%',
-        border: '1px solid #b6d7e8',
+          right: '50%',
-        display: 'flex',
+          marginLeft: '-50vw',
-        justifyContent: 'space-between',
+          marginRight: '-50vw',
-        alignItems: 'center'
+          background: `
-      }}>
+            radial-gradient(ellipse farthest-corner at center 53%,
-        <div>
+              #d9b9f3ff 10%, 
-          <h1 style={{ margin: '0 0 10px 0', color: '#2c3e50' }}>
+              #ddc5f1ff 22%, 
-            Willkommen zurück, {user?.firstname} {user?.lastname} ! 👋
+              #e9d4f8ff 32%, 
+              #FBFAF6 55%)
+          `,
+          textAlign: 'center',
+          padding: '10vh 0',
+          color: '#161718',
+          fontFamily: "'Poppins', 'Inter', 'Manrope', sans-serif",
+        }}
+      >
+        <h1
+          style={{
+            fontSize: '3rem',
+            fontWeight: 100,
+            letterSpacing: '0.08em',
+            marginBottom: '0.5rem',
+            opacity: 0.995,
+            filter: 'blur(0.2px)',
+          }}
+        >
+          Willkommen
         </h1>
-          <p style={{ margin: 0, color: '#546e7a', fontSize: '16px' }}>
+
-            {new Date().toLocaleDateString('de-DE', { 
+        <p
-              weekday: 'long', 
+          style={{
-              year: 'numeric', 
+            fontSize: '1.1rem',
-              month: 'long', 
+            color: '#3e2069',
-              day: 'numeric' 
+            letterSpacing: '0.05em',
-            })}
+            fontWeight: 300,
+            opacity: 0.85,
+            transition: 'color 0.3s ease',
+          }}
+        >
+          {user?.firstname} {user?.lastname}
         </p>
       </div>
-      </div>
 
       {/* Quick Actions - Nur für Admins/Instandhalter */}
       {hasRole(['admin', 'instandhalter']) && (
@@ -483,7 +506,7 @@ const Dashboard: React.FC = () => {
                 }}>
                   <div style={{
                     width: `${progress.percentage}%`,
-                    backgroundColor: progress.percentage > 0 ? '#3498db' : '#95a5a6',
+                    backgroundColor: progress.percentage > 0 ? '#854eca' : '#95a5a6',
                     height: '8px',
                     borderRadius: '10px',
                     transition: 'width 0.3s ease'

frontend/src/pages/Employees/EmployeeManagement.tsx

@@ -190,7 +190,7 @@ const EmployeeManagement: React.FC = () => {
             onClick={handleCreateEmployee}
             style={{
               padding: '12px 24px',
-              backgroundColor: '#27ae60',
+              backgroundColor: '#51258f',
               color: 'white',
               border: 'none',
               borderRadius: '6px',

frontend/src/pages/Employees/components/AvailabilityManager.tsx

@@ -372,18 +372,6 @@ const AvailabilityManager: React.FC<AvailabilityManagerProps> = ({
           </div>
         )}
 
-        {/* Timetable Structure Info */}
-        <div style={{
-          backgroundColor: '#d1ecf1',
-          border: '1px solid #bee5eb',
-          padding: '10px 15px',
-          margin: '10px',
-          borderRadius: '4px',
-          fontSize: '12px'
-        }}>
-          <strong>Struktur-Info:</strong> {sortedTimeSlots.length} Zeitslots × {days.length} Tage = {sortedTimeSlots.length * days.length} Zellen
-        </div>
-
         <div style={{ overflowX: 'auto' }}>
           <table style={{
             width: '100%',
@@ -397,7 +385,7 @@ const AvailabilityManager: React.FC<AvailabilityManagerProps> = ({
                   textAlign: 'left',
                   border: '1px solid #dee2e6',
                   fontWeight: 'bold',
-                  minWidth: '200px'
+                  minWidth: '120px'
                 }}>
                   Zeitslot
                 </th>
@@ -558,15 +546,9 @@ const AvailabilityManager: React.FC<AvailabilityManagerProps> = ({
           color: '#666'
         }}>
           <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
-            <div>
-              <strong>Zusammenfassung:</strong> {sortedTimeSlots.length} Zeitslots × {days.length} Tage = {sortedTimeSlots.length * days.length} mögliche Shifts
-            </div>
             <div>
               <strong>Aktive Verfügbarkeiten:</strong> {availabilities.filter(a => a.preferenceLevel !== 3).length}
             </div>
-            <div>
-              <strong>Validierungsfehler:</strong> {validationErrors.length}
-            </div>
           </div>
         </div>
       </div>
@@ -667,70 +649,9 @@ const AvailabilityManager: React.FC<AvailabilityManagerProps> = ({
         borderBottom: '2px solid #f0f0f0',
         paddingBottom: '15px'
       }}>
-        📅 Verfügbarkeit verwalten (Shift-ID basiert)
+        📅 Verfügbarkeit verwalten
       </h2>
 
-      {/* Debug-Info */}
-      <div style={{
-        backgroundColor: !selectedPlan ? '#f8d7da' : (shiftsCount === 0 ? '#fff3cd' : '#d1ecf1'),
-        border: `1px solid ${!selectedPlan ? '#f5c6cb' : (shiftsCount === 0 ? '#ffeaa7' : '#bee5eb')}`,
-        borderRadius: '6px',
-        padding: '15px',
-        marginBottom: '20px'
-      }}>
-        <h4 style={{ 
-          margin: '0 0 10px 0', 
-          color: !selectedPlan ? '#721c24' : (shiftsCount === 0 ? '#856404' : '#0c5460') 
-        }}>
-          {!selectedPlan ? '❌ KEIN PLAN AUSGEWÄHLT' : 
-           shiftsCount === 0 ? '⚠️ KEINE SHIFTS GEFUNDEN' : '✅ PLAN-DATEN GELADEN'}
-        </h4>
-        <div style={{ fontSize: '12px', fontFamily: 'monospace' }}>
-          <div><strong>Ausgewählter Plan:</strong> {selectedPlan?.name || 'Keiner'}</div>
-          <div><strong>Plan ID:</strong> {selectedPlanId || 'Nicht gesetzt'}</div>
-          <div><strong>Geladene Pläne:</strong> {shiftPlans.length}</div>
-          <div><strong>Einzigartige Shifts:</strong> {shiftsCount}</div>
-          <div><strong>Geladene Verfügbarkeiten:</strong> {availabilities.length}</div>
-          {selectedPlan && (
-            <>
-              <div><strong>Verwendete Tage:</strong> {days.length} ({days.map(d => d.name).join(', ')})</div>
-              <div><strong>Gesamte Shifts im Plan:</strong> {selectedPlan.shifts?.length || 0}</div>
-            </>
-          )}
-        </div>
-
-        {/* Show existing preferences */}
-        {availabilities.length > 0 && (
-          <div style={{ marginTop: '10px', paddingTop: '10px', borderTop: '1px solid #bee5eb' }}>
-            <strong>Vorhandene Präferenzen:</strong>
-            {availabilities.slice(0, 5).map(avail => {
-              // SICHERHEITSCHECK: Stelle sicher, dass shiftId existiert
-              if (!avail.shiftId) {
-                return (
-                  <div key={avail.id} style={{ fontSize: '11px', color: 'red' }}>
-                    • UNGÜLTIG: Keine Shift-ID
-                  </div>
-                );
-              }
-              
-              const shift = selectedPlan?.shifts?.find(s => s.id === avail.shiftId);
-              const shiftIdDisplay = avail.shiftId ? avail.shiftId.substring(0, 8) + '...' : 'KEINE ID';
-              
-              return (
-                <div key={avail.id} style={{ fontSize: '11px' }}>
-                  • Shift {shiftIdDisplay} (Day {shift?.dayOfWeek || '?'}): Level {avail.preferenceLevel}
-                </div>
-              );
-            })}
-            {availabilities.length > 5 && (
-              <div style={{ fontSize: '11px', fontStyle: 'italic' }}>
-                ... und {availabilities.length - 5} weitere
-              </div>
-            )}
-          </div>
-        )}
-      </div>
-
       {/* Employee Info */}
       <div style={{ marginBottom: '20px' }}>
         <h3 style={{ margin: '0 0 10px 0', color: '#34495e' }}>
@@ -739,9 +660,6 @@ const AvailabilityManager: React.FC<AvailabilityManagerProps> = ({
         <p style={{ margin: 0, color: '#7f8c8d' }}>
           <strong>Email:</strong> {employee.email}
         </p>
-        <p style={{ margin: '5px 0 0 0', color: '#7f8c8d' }}>
-          Legen Sie die Verfügbarkeit für {employeeFullName} fest (basierend auf Shift-IDs).
-        </p>
       </div>
 
       {error && (

frontend/src/pages/Settings/Settings.tsx

@@ -397,14 +397,6 @@ const Settings: React.FC = () => {
                       />
                     </div>
                   </div>
-                  <div style={{ marginTop: '1rem', padding: '1rem', background: '#f8f9fa', borderRadius: '8px' }}>
-                    <div style={{ fontSize: '0.9rem', color: '#666' }}>
-                      <strong>Vorschau:</strong> {getFullName() || '(Kein Name)'}
-                    </div>
-                    <div style={{ fontSize: '0.8rem', color: '#888', marginTop: '0.5rem' }}>
-                      E-Mail: {currentUser.email}
-                    </div>
-                  </div>
                 </div>
               </div>
 

frontend/src/pages/ShiftPlans/ShiftPlanList.tsx

@@ -74,7 +74,7 @@ const ShiftPlanList: React.FC = () => {
           <Link to="/shift-plans/new">
             <button style={{ 
               padding: '10px 20px', 
-              backgroundColor: '#3498db', 
+              backgroundColor: '#51258f', 
               color: 'white', 
               border: 'none', 
               borderRadius: '4px',

frontend/src/pages/ShiftPlans/ShiftPlanView.tsx

@@ -771,19 +771,6 @@ const ShiftPlanView: React.FC = () => {
             </ul>
           </div>
         )}
-
-        {/* Timetable Structure Info - SAME AS AVAILABILITYMANAGER */}
-        <div style={{
-          backgroundColor: '#d1ecf1',
-          border: '1px solid #bee5eb',
-          padding: '10px 15px',
-          margin: '10px',
-          borderRadius: '4px',
-          fontSize: '12px'
-        }}>
-          <strong>Struktur-Info:</strong> {allTimeSlots.length} Zeitslots × {days.length} Tage = {allTimeSlots.length * days.length} Zellen
-        </div>
-
         <div style={{ overflowX: 'auto' }}>
           <table style={{
             width: '100%',
@@ -797,7 +784,7 @@ const ShiftPlanView: React.FC = () => {
                   textAlign: 'left',
                   border: '1px solid #dee2e6',
                   fontWeight: 'bold',
-                  minWidth: '200px'
+                  minWidth: '120px'
                 }}>
                   Schicht (Zeit)
                 </th>
@@ -850,7 +837,7 @@ const ShiftPlanView: React.FC = () => {
                           color: '#ccc',
                           fontStyle: 'italic'
                         }}>
-                          Kein Shift
+                          Keine Schicht
                         </td>
                       );
                     }
@@ -977,23 +964,6 @@ const ShiftPlanView: React.FC = () => {
           </table>
         </div>
 
-        {/* Summary Statistics - SAME AS AVAILABILITYMANAGER */}
-        <div style={{
-          backgroundColor: '#f8f9fa',
-          padding: '15px',
-          borderTop: '1px solid #dee2e6',
-          fontSize: '12px',
-          color: '#666'
-        }}>
-          <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
-            <div>
-              <strong>Zusammenfassung:</strong> {allTimeSlots.length} Zeitslots × {days.length} Tage = {allTimeSlots.length * days.length} mögliche Shifts
-            </div>
-            <div>
-              <strong>Validierungsfehler:</strong> {validation.errors.length}
-            </div>
-          </div>
-        </div>
       </div>
     );
   };
@@ -1069,50 +1039,6 @@ const ShiftPlanView: React.FC = () => {
         </div>
       </div>
 
-      {/* Debug Info - Enhanced */}
-      <div style={{
-        backgroundColor: validation.errors.length > 0 ? '#fff3cd' : (allTimeSlots.length === 0 ? '#f8d7da' : '#d1ecf1'),
-        border: `1px solid ${validation.errors.length > 0 ? '#ffeaa7' : (allTimeSlots.length === 0 ? '#f5c6cb' : '#bee5eb')}`,
-        borderRadius: '6px',
-        padding: '15px',
-        marginBottom: '20px'
-      }}>
-        <h4 style={{ 
-          margin: '0 0 10px 0', 
-          color: validation.errors.length > 0 ? '#856404' : (allTimeSlots.length === 0 ? '#721c24' : '#0c5460') 
-        }}>
-          {validation.errors.length > 0 ? '⚠️ VALIDIERUNGSPROBLEME' : 
-          allTimeSlots.length === 0 ? '❌ KEINE SHIFTS GEFUNDEN' : '✅ PLAN-DATEN GELADEN'}
-        </h4>
-        <div style={{ fontSize: '12px', fontFamily: 'monospace' }}>
-          <div><strong>Ausgewählter Plan:</strong> {shiftPlan.name}</div>
-          <div><strong>Plan ID:</strong> {shiftPlan.id}</div>
-          <div><strong>Einzigartige Zeitslots:</strong> {allTimeSlots.length}</div>
-          <div><strong>Verwendete Tage:</strong> {days.length} ({days.map(d => d.name).join(', ')})</div>
-          <div><strong>Shift Patterns:</strong> {shiftPlan.shifts?.length || 0}</div>
-          <div><strong>Scheduled Shifts:</strong> {scheduledShifts.length}</div>
-          <div><strong>Geladene Verfügbarkeiten:</strong> {availabilities.length}</div>
-          <div><strong>Aktive Mitarbeiter:</strong> {employees.length}</div>
-          {assignmentResult && (
-            <div><strong>Assignment Keys:</strong> {Object.keys(assignmentResult.assignments).length}</div>
-          )}
-        </div>
-
-        {/* Show shift pattern vs scheduled shift matching */}
-        {shiftPlan.shifts && scheduledShifts.length > 0 && (
-          <div style={{ marginTop: '10px', paddingTop: '10px', borderTop: '1px solid #bee5eb' }}>
-            <strong>Shift Matching:</strong>
-            <div style={{ fontSize: '11px' }}>
-              • {shiftPlan.shifts.length} Patterns → {scheduledShifts.length} Scheduled Shifts
-              {assignmentResult && (
-                <div>• {Object.keys(assignmentResult.assignments).length} Assignment Keys</div>
-              )}
-            </div>
-          </div>
-        )}
-      </div>
-
-      {/* Rest of the component remains the same... */}
       {/* Availability Status - only show for drafts */}
       {shiftPlan.status === 'draft' && (
         <div style={{