logic working; notifying does not

2025-12-01 15:05:45 +01:00 · 2025-10-14 13:19:37 +02:00
parent 36f64cced8
commit a2aaa12c4c
6 changed files with 1505 additions and 197 deletions
--- a/frontend/src/pages/ShiftPlans/ShiftPlanView.tsx
+++ b/frontend/src/pages/ShiftPlans/ShiftPlanView.tsx
@@ -167,11 +167,29 @@ const ShiftPlanView: React.FC = () => {
      setAssignmentResult(result);
      setShowAssignmentPreview(true);

-      if (!result.success) {
+      // Zeige Reparatur-Bericht in der Konsole
+      if (result.resolutionReport) {
+        console.log('🔧 Reparatur-Bericht:');
+        result.resolutionReport.forEach(line => console.log(line));
+      }
+
+      // Verwende allProblemsResolved für die Erfolgsmeldung
+      if (result.allProblemsResolved) {
        showNotification({
-          type: 'warning',
-          title: 'Warnung',
-          message: `Automatische Zuordnung hat ${result.violations.length} Probleme gefunden.`
+          type: 'success',
+          title: 'Erfolg', 
+          message: 'Alle kritischen Probleme wurden behoben! Der Schichtplan kann veröffentlicht werden.'
+        });
+      } else {
+        const criticalCount = result.violations.filter(v => v.includes('❌ KRITISCH:')).length;
+        const warningCount = result.violations.filter(v => v.includes('⚠️')).length;
+        
+        showNotification({
+          type: warningCount > 0 ? 'warning' : 'error',
+          title: criticalCount > 0 ? 'Kritische Probleme' : 'Warnungen',
+          message: criticalCount > 0 
+            ? `${criticalCount} kritische Probleme müssen behoben werden`
+            : `${warningCount} Warnungen - Plan kann trotzdem veröffentlicht werden`
        });
      }

@@ -641,78 +659,95 @@ const ShiftPlanView: React.FC = () => {

      {/* Assignment Preview Modal */}
      {showAssignmentPreview && assignmentResult && (
+      <div style={{
+        position: 'fixed',
+        top: 0,
+        left: 0,
+        right: 0,
+        bottom: 0,
+        backgroundColor: 'rgba(0,0,0,0.5)',
+        display: 'flex',
+        justifyContent: 'center',
+        alignItems: 'center',
+        zIndex: 1000
+      }}>
        <div style={{
-          position: 'fixed',
-          top: 0,
-          left: 0,
-          right: 0,
-          bottom: 0,
-          backgroundColor: 'rgba(0,0,0,0.5)',
-          display: 'flex',
-          justifyContent: 'center',
-          alignItems: 'center',
-          zIndex: 1000
+          backgroundColor: 'white',
+          borderRadius: '8px',
+          padding: '30px',
+          maxWidth: '800px',
+          maxHeight: '80vh',
+          overflow: 'auto'
        }}>
-          <div style={{
-            backgroundColor: 'white',
-            borderRadius: '8px',
-            padding: '30px',
-            maxWidth: '800px',
-            maxHeight: '80vh',
-            overflow: 'auto'
-          }}>
-            <h2>Wochenmuster-Zuordnung</h2>
-            
-            {/* Show weekly pattern info */}
-            {assignmentResult.pattern && (
-              <div style={{
-                backgroundColor: '#e8f4fd',
-                border: '1px solid #b8d4f0',
-                borderRadius: '4px',
-                padding: '15px',
-                marginBottom: '20px'
-              }}>
-                <h4 style={{ color: '#2c3e50', marginTop: 0 }}>Wochenmuster erstellt</h4>
-                <p style={{ margin: 0, color: '#2c3e50' }}>
-                  Der Algorithmus hat ein Muster für <strong>{assignmentResult.pattern.weekShifts.length} Schichten</strong> in der ersten Woche erstellt 
-                  und dieses für alle {Math.ceil(Object.keys(assignmentResult.assignments).length / assignmentResult.pattern.weekShifts.length)} Wochen im Plan wiederholt.
-                </p>
-                <div style={{ marginTop: '10px', fontSize: '14px' }}>
-                  <strong>Wochenmuster-Statistik:</strong>
-                  <div>- Schichten pro Woche: {assignmentResult.pattern.weekShifts.length}</div>
-                  <div>- Zuweisungen pro Woche: {Object.values(assignmentResult.pattern.assignments).flat().length}</div>
-                  <div>- Gesamtzuweisungen: {Object.values(assignmentResult.assignments).flat().length}</div>
-                </div>
+          <h2>Wochenmuster-Zuordnung</h2>
+          
+          {/* Reparatur-Bericht anzeigen */}
+          {assignmentResult.resolutionReport && (
+            <div style={{
+              backgroundColor: '#e8f4fd',
+              border: '1px solid #b8d4f0',
+              borderRadius: '4px',
+              padding: '15px',
+              marginBottom: '20px',
+              fontSize: '14px'
+            }}>
+              <h4 style={{ color: '#2c3e50', marginTop: 0 }}>Reparatur-Bericht</h4>
+              <div style={{ maxHeight: '200px', overflow: 'auto' }}>
+                {assignmentResult.resolutionReport.map((line, index) => (
+                  <div key={index} style={{ 
+                    color: line.includes('✅') ? '#2ecc71' : line.includes('❌') ? '#e74c3c' : '#2c3e50',
+                    fontFamily: 'monospace',
+                    fontSize: '12px',
+                    marginBottom: '2px'
+                  }}>
+                    {line}
+                  </div>
+                ))}
              </div>
-            )}
-            
-            {assignmentResult.violations.length > 0 && (
-              <div style={{
-                backgroundColor: '#fff3cd',
-                border: '1px solid #ffeaa7',
-                borderRadius: '4px',
-                padding: '15px',
-                marginBottom: '20px'
-              }}>
-                <h4 style={{ color: '#856404', marginTop: 0 }}>Warnungen:</h4>
-                <ul style={{ margin: 0, paddingLeft: '20px' }}>
-                  {assignmentResult.violations.map((violation, index) => (
-                    <li key={index} style={{ color: '#856404', marginBottom: '5px' }}>
-                      {violation}
-                    </li>
-                  ))}
-                </ul>
-              </div>
-            )}
-
-            <div style={{ marginBottom: '20px' }}>
-              <h4>Zusammenfassung:</h4>
-              <p>
-                {assignmentResult.success 
-                  ? '✅ Alle Schichten können zugeordnet werden!' 
-                  : '⚠️ Es gibt Probleme bei der Zuordnung die manuell behoben werden müssen.'}
-              </p>
            </div>
+          )}
+            
+            {assignmentResult && (
+              <div style={{ marginBottom: '20px' }}>
+                <h4>Zusammenfassung:</h4>
+                {assignmentResult.allProblemsResolved ? (
+                  <p style={{ color: '#2ecc71', fontWeight: 'bold' }}>
+                    ✅ Alle kritischen Probleme behoben! Der Plan kann veröffentlicht werden.
+                  </p>
+                ) : (
+                  <div>
+                    <p style={{ color: '#e74c3c', fontWeight: 'bold' }}>
+                      ❌ Es gibt kritische Probleme die behoben werden müssen:
+                    </p>
+                    <ul>
+                      {assignmentResult.violations
+                        .filter(v => v.includes('❌ KRITISCH:'))
+                        .map((violation, index) => (
+                          <li key={index} style={{ color: '#e74c3c', fontSize: '14px' }}>
+                            {violation.replace('❌ KRITISCH: ', '')}
+                          </li>
+                        ))}
+                    </ul>
+                    {assignmentResult.violations.some(v => v.includes('⚠️')) && (
+                      <div style={{ marginTop: '10px' }}>
+                        <p style={{ color: '#f39c12', fontWeight: 'bold' }}>
+                          ⚠️ Warnungen (beeinflussen nicht die Veröffentlichung):
+                        </p>
+                        <ul>
+                          {assignmentResult.violations
+                            .filter(v => v.includes('⚠️'))
+                            .map((warning, index) => (
+                              <li key={index} style={{ color: '#f39c12', fontSize: '14px' }}>
+                                {warning.replace('⚠️ WARNHINWEIS: ', '')}
+                              </li>
+                            ))}
+                        </ul>
+                      </div>
+                    )}
+                  </div>
+                )}
+              </div>
+            )}

            <div style={{ display: 'flex', gap: '10px', justifyContent: 'flex-end' }}>
              <button
@@ -731,14 +766,14 @@ const ShiftPlanView: React.FC = () => {
              
              <button
                onClick={handlePublish}
-                disabled={publishing || !assignmentResult.success}
+                disabled={publishing || !assignmentResult.allProblemsResolved}
                style={{
                  padding: '8px 16px',
-                  backgroundColor: assignmentResult.success ? '#2ecc71' : '#95a5a6',
+                  backgroundColor: assignmentResult.allProblemsResolved ? '#2ecc71' : '#95a5a6',
                  color: 'white',
                  border: 'none',
                  borderRadius: '4px',
-                  cursor: assignmentResult.success ? 'pointer' : 'not-allowed'
+                  cursor: assignmentResult.allProblemsResolved ? 'pointer' : 'not-allowed'
                }}
              >
                {publishing ? 'Veröffentliche...' : 'Veröffentlichen'}
--- a/frontend/src/services/scheduling/repairFunctions.ts
+++ b/frontend/src/services/scheduling/repairFunctions.ts
@@ -1,15 +1,23 @@
 // frontend/src/services/scheduling/repairFunctions.ts
-import { SchedulingEmployee, SchedulingShift, Assignment } from './types';
-import { canAssign, assignEmployee, hasErfahrener } from './utils';
+import { SchedulingEmployee, SchedulingShift, Assignment, RepairContext } from './types';
+import { canAssign, assignEmployee, unassignEmployee, 
+  hasErfahrener, candidateScore, 
+  countExperiencedCanWorkAlone, 
+  isManagerAlone, isManagerShiftWithOnlyNew, 
+  onlyNeuAssigned, canRemove,
+  wouldBeAloneIfAdded,
+  hasExperiencedAloneNotAllowed
+} from './utils';

-export function attemptRepairMoveErfahrener(
+export function attemptMoveErfahrenerTo(
  targetShiftId: string,
  assignments: Assignment,
  employees: Map<string, SchedulingEmployee>,
  allShifts: SchedulingShift[]
 ): boolean {
-  
  for (const shift of allShifts) {
+    if (shift.id === targetShiftId) continue;
+    
    const currentAssignment = assignments[shift.id] || [];
    
    // Skip if this shift doesn't have multiple employees
@@ -22,8 +30,7 @@ export function attemptRepairMoveErfahrener(
      // Check if employee can be moved to target shift
      if (canAssign(emp, targetShiftId)) {
        // Remove from current shift
-        assignments[shift.id] = currentAssignment.filter(id => id !== empId);
-        emp.assignedCount--;
+        unassignEmployee(emp, shift.id, assignments);
        
        // Add to target shift
        assignEmployee(emp, targetShiftId, assignments);
@@ -63,9 +70,13 @@ export function attemptSwapBringErfahrener(
        
        // Check if target employee can go to the other shift
        if (canAssign(targetEmp, shift.id)) {
+          // Check if swap would create new violations
+          const tempTargetAssignment = targetAssignment.filter(id => id !== targetEmpId).concat(erfahrenerId);
+          const tempCurrentAssignment = currentAssignment.filter(id => id !== erfahrenerId).concat(targetEmpId);
+          
          // Perform swap
-          assignments[shift.id] = currentAssignment.filter(id => id !== erfahrenerId).concat(targetEmpId);
-          assignments[targetShiftId] = targetAssignment.filter(id => id !== targetEmpId).concat(erfahrenerId);
+          assignments[shift.id] = tempCurrentAssignment;
+          assignments[targetShiftId] = tempTargetAssignment;
          
          erfahrener.assignedCount++;
          targetEmp.assignedCount--;
@@ -80,13 +91,776 @@ export function attemptSwapBringErfahrener(
  return false;
 }

-export function attemptComplexRepairForManagerShift(
-  targetShiftId: string,
+export function attemptLocalFixNeuAlone(
+  shiftId: string,
  assignments: Assignment,
  employees: Map<string, SchedulingEmployee>,
  allShifts: SchedulingShift[]
 ): boolean {
-  // Try multiple repair strategies
-  return attemptSwapBringErfahrener(targetShiftId, assignments, employees, allShifts) ||
-         attemptRepairMoveErfahrener(targetShiftId, assignments, employees, allShifts);
+  // Try to move an erfahrener to this shift
+  if (attemptMoveErfahrenerTo(shiftId, assignments, employees, allShifts)) {
+    return true;
+  }
+  
+  // Try to swap with another shift
+  if (attemptSwapBringErfahrener(shiftId, assignments, employees, allShifts)) {
+    return true;
+  }
+  
+  return false;
+}
+
+export function attemptUnassignOrSwap(
+  employeeId: string,
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  allShifts: SchedulingShift[]
+): boolean {
+  const employee = employees.get(employeeId);
+  if (!employee) return false;
+  
+  // Find shifts where this employee is assigned
+  const assignedShifts = allShifts.filter(shift => 
+    assignments[shift.id]?.includes(employeeId)
+  );
+  
+  // Try to remove from shifts where they're least needed
+  for (const shift of assignedShifts.sort((a, b) => {
+    const aCount = assignments[a.id]?.length || 0;
+    const bCount = assignments[b.id]?.length || 0;
+    return bCount - aCount; // Remove from shifts with most employees first
+  })) {
+    // Check if removal would cause new violations
+    const wouldBeEmpty = (assignments[shift.id]?.length || 0) <= 1;
+    const wouldBeNeuAlone = wouldBeEmpty && employee.role === 'erfahren';
+    
+    if (!wouldBeEmpty && !wouldBeNeuAlone) {
+      unassignEmployee(employee, shift.id, assignments);
+      console.log(`📉 Unassigned ${employeeId} from shift ${shift.id} to fix contract`);
+      return true;
+    }
+  }
+  
+  return false;
+}
+
+export function attemptFillFromOverallocated(
+  shiftId: string,
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  allShifts: SchedulingShift[]
+): boolean {
+  // Find employees who are underutilized and available for this shift
+  const availableEmployees = Array.from(employees.values())
+    .filter(emp => 
+      canAssign(emp, shiftId) && 
+      emp.assignedCount < emp.contract
+    )
+    .sort((a, b) => candidateScore(a, shiftId) - candidateScore(b, shiftId));
+  
+  if (availableEmployees.length > 0) {
+    const bestCandidate = availableEmployees[0];
+    assignEmployee(bestCandidate, shiftId, assignments);
+    console.log(`📈 Filled empty shift ${shiftId} with ${bestCandidate.id}`);
+    return true;
+  }
+  
+  return false;
+}
+
+export function resolveTwoExperiencedInShift(
+  shiftId: string,
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  repairContext: RepairContext
+): boolean {
+  const assignment = assignments[shiftId] || [];
+  const experiencedCanWorkAlone = countExperiencedCanWorkAlone(assignment, employees);
+  
+  if (experiencedCanWorkAlone.length > 1) {
+    // Finde den erfahrenen Mitarbeiter mit den meisten Zuweisungen
+    const worstCandidate = experiencedCanWorkAlone.reduce((worst, current) => {
+      const worstEmp = employees.get(worst);
+      const currentEmp = employees.get(current);
+      if (!worstEmp || !currentEmp) return worst;
+      return currentEmp.assignedCount > worstEmp.assignedCount ? current : worst;
+    });
+    
+    const worstEmp = employees.get(worstCandidate);
+    if (worstEmp && canRemove(worstCandidate, shiftId, repairContext.lockedShifts, assignments, employees)) {
+      // Entferne den Mitarbeiter mit den meisten Zuweisungen
+      unassignEmployee(worstEmp, shiftId, assignments);
+      repairContext.unassignedPool.push(worstCandidate);
+      
+      repairContext.warnings.push(`Zwei erfahrene in Schicht ${shiftId} - aufgelöst`);
+      console.log(`🔧 Resolved two experienced in shift ${shiftId}, removed ${worstCandidate}`);
+      return true;
+    }
+  }
+  
+  return false;
+}
+
+export function attemptFillFromPool(
+  shiftId: string,
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  repairContext: RepairContext,
+  managerShifts?: string[]
+): boolean {
+  if (assignments[shiftId] && assignments[shiftId].length > 0) return false;
+  
+  const isManagerShift = managerShifts?.includes(shiftId) || false;
+  
+  // Durchsuche den Pool nach geeigneten Mitarbeitern
+  for (let i = 0; i < repairContext.unassignedPool.length; i++) {
+    const empId = repairContext.unassignedPool[i];
+    const emp = employees.get(empId);
+    
+    if (emp && canAssign(emp, shiftId)) {
+      // Für Manager-Schichten: bevorzuge erfahrene Mitarbeiter
+      if (isManagerShift && emp.role !== 'erfahren') {
+        continue;
+      }
+      
+      // Prüfe ob Zuweisung neue Probleme verursachen würde
+      if (wouldBeAloneIfAdded(emp, shiftId, assignments, employees)) {
+        continue;
+      }
+      
+      assignEmployee(emp, shiftId, assignments);
+      repairContext.unassignedPool.splice(i, 1); // Aus Pool entfernen
+      
+      console.log(`📈 Filled ${isManagerShift ? 'manager ' : ''}shift ${shiftId} from pool with ${empId}`);
+      return true;
+    }
+  }
+  
+  return false;
+}
+
+export function attemptAddErfahrenerToShift(
+  shiftId: string,
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  allShifts: SchedulingShift[]
+): boolean {
+  const assignment = assignments[shiftId] || [];
+  
+  if (!onlyNeuAssigned(assignment, employees)) return false;
+  
+  // Suche verfügbaren erfahrenen Mitarbeiter
+  const erfahrenCandidates = Array.from(employees.values()).filter(emp => 
+    emp.role === 'erfahren' && 
+    canAssign(emp, shiftId) &&
+    !assignment.includes(emp.id)
+  );
+  
+  if (erfahrenCandidates.length > 0) {
+    // Wähle den besten Kandidaten basierend auf Score
+    const bestCandidate = erfahrenCandidates.reduce((best, current) => {
+      const bestScore = candidateScore(best, shiftId);
+      const currentScore = candidateScore(current, shiftId);
+      return currentScore < bestScore ? current : best;
+    });
+    
+    assignEmployee(bestCandidate, shiftId, assignments);
+    console.log(`🎯 Added erfahrener ${bestCandidate.id} to neu-alone shift ${shiftId}`);
+    return true;
+  }
+  
+  return false;
+}
+
+export function checkManagerShiftRules(
+  shiftId: string,
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  managerId: string | undefined,
+  repairContext: RepairContext
+): void {
+  const assignment = assignments[shiftId] || [];
+  
+  if (!managerId) return;
+  
+  // Manager allein in Schicht
+  if (isManagerAlone(assignment, managerId)) {
+    repairContext.warnings.push(`Manager allein in Schicht ${shiftId}`);
+    repairContext.violations.push({
+      type: 'ManagerAlone',
+      shiftId,
+      severity: 'warning',
+      message: `Manager arbeitet allein in Schicht ${shiftId}`
+    });
+  }
+  
+  // Manager + nur Neue ohne Erfahrene
+  if (isManagerShiftWithOnlyNew(assignment, employees, managerId)) {
+    repairContext.warnings.push(`Manager + Neue(r) ohne Erfahrene in Schicht ${shiftId}`);
+    repairContext.violations.push({
+      type: 'ManagerWithOnlyNew',
+      shiftId,
+      severity: 'warning',
+      message: `Manager arbeitet nur mit Neuen in Schicht ${shiftId}`
+    });
+  }
+}
+
+export function attemptSwapForExperienced(
+  managerShiftId: string,
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  allShifts: SchedulingShift[]
+): boolean {
+  const managerAssignment = assignments[managerShiftId] || [];
+  const manager = managerAssignment.find(empId => employees.get(empId)?.role === 'manager');
+  if (!manager) return false;
+
+  // Look for shifts with experienced employees that could swap
+  for (const otherShift of allShifts) {
+    if (otherShift.id === managerShiftId) continue;
+    
+    const otherAssignment = assignments[otherShift.id] || [];
+    const experiencedInOther = otherAssignment.filter(empId => {
+      const emp = employees.get(empId);
+      return emp?.role === 'erfahren';
+    });
+
+    for (const experiencedId of experiencedInOther) {
+      const experiencedEmp = employees.get(experiencedId);
+      if (!experiencedEmp) continue;
+
+      // Check if experienced can work in manager shift
+      if (!canAssign(experiencedEmp, managerShiftId)) continue;
+
+      // Find someone from manager shift (non-manager) who can swap to other shift
+      const nonManagerInManagerShift = managerAssignment.filter(id => id !== manager);
+      
+      for (const swapCandidateId of nonManagerInManagerShift) {
+        const swapCandidate = employees.get(swapCandidateId);
+        if (!swapCandidate) continue;
+
+        // Check if swap candidate can work in other shift
+        if (canAssign(swapCandidate, otherShift.id)) {
+          // Perform the swap
+          assignments[managerShiftId] = managerAssignment.filter(id => id !== swapCandidateId).concat(experiencedId);
+          assignments[otherShift.id] = otherAssignment.filter(id => id !== experiencedId).concat(swapCandidateId);
+          
+          experiencedEmp.assignedCount++;
+          swapCandidate.assignedCount--;
+          
+          console.log(`🔄 Swapped ${experiencedId} into manager shift for ${swapCandidateId}`);
+          return true;
+        }
+      }
+
+      // If no swap candidate, try just moving the experienced if other shift won't be empty
+      if (otherAssignment.length > 1) {
+        assignments[managerShiftId].push(experiencedId);
+        assignments[otherShift.id] = otherAssignment.filter(id => id !== experiencedId);
+        
+        experiencedEmp.assignedCount++;
+        console.log(`➡️ Moved ${experiencedId} to manager shift from ${otherShift.id}`);
+        return true;
+      }
+    }
+  }
+
+  return false;
+}
+
+// New function to move experienced to manager shift
+export function attemptMoveExperiencedToManagerShift(
+  managerShiftId: string,
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  allShifts: SchedulingShift[]
+): boolean {
+  // Find shifts with multiple experienced employees
+  for (const otherShift of allShifts) {
+    if (otherShift.id === managerShiftId) continue;
+    
+    const otherAssignment = assignments[otherShift.id] || [];
+    const experiencedEmployees = otherAssignment.filter(empId => {
+      const emp = employees.get(empId);
+      return emp?.role === 'erfahren';
+    });
+
+    // If this shift has multiple experienced, we can move one
+    if (experiencedEmployees.length > 1) {
+      for (const experiencedId of experiencedEmployees) {
+        const experiencedEmp = employees.get(experiencedId);
+        if (!experiencedEmp) continue;
+
+        if (canAssign(experiencedEmp, managerShiftId)) {
+          // Move the experienced employee
+          assignments[managerShiftId].push(experiencedId);
+          assignments[otherShift.id] = otherAssignment.filter(id => id !== experiencedId);
+          
+          experiencedEmp.assignedCount++;
+          console.log(`🎯 Moved experienced ${experiencedId} from overloaded shift to manager shift`);
+          return true;
+        }
+      }
+    }
+  }
+
+  return false;
+}
+
+export function resolveOverstaffedExperienced(
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  shifts: SchedulingShift[],
+  repairContext: RepairContext
+): void {
+  const experiencedShifts: { shiftId: string, experiencedCount: number, canWorkAloneCount: number }[] = [];
+  
+  // Analysiere alle Schichten auf erfahrene Mitarbeiter
+  shifts.forEach(shift => {
+    const assignment = assignments[shift.id] || [];
+    const experiencedEmployees = assignment.filter(empId => {
+      const emp = employees.get(empId);
+      return emp?.role === 'erfahren';
+    });
+    
+    const canWorkAloneCount = experiencedEmployees.filter(empId => {
+      const emp = employees.get(empId);
+      return emp?.originalData?.canWorkAlone;
+    }).length;
+    
+    if (experiencedEmployees.length > 0) {
+      experiencedShifts.push({
+        shiftId: shift.id,
+        experiencedCount: experiencedEmployees.length,
+        canWorkAloneCount
+      });
+    }
+  });
+  
+  // Sortiere Schichten nach Anzahl der erfahrenen Mitarbeiter (absteigend)
+  experiencedShifts.sort((a, b) => b.experiencedCount - a.experiencedCount);
+  
+  // Behebe Schichten mit mehr als 1 erfahrenem Mitarbeiter
+  experiencedShifts.forEach(shiftInfo => {
+    if (shiftInfo.experiencedCount > 1 && !repairContext.lockedShifts.has(shiftInfo.shiftId)) {
+      const assignment = assignments[shiftInfo.shiftId] || [];
+      const experiencedInShift = assignment.filter(empId => {
+        const emp = employees.get(empId);
+        return emp?.role === 'erfahren';
+      });
+      
+      // Entferne überschüssige erfahrene Mitarbeiter (behalte mindestens 1)
+      const excessCount = shiftInfo.experiencedCount - 1;
+      const toRemove = experiencedInShift.slice(0, excessCount);
+      
+      toRemove.forEach(empId => {
+        const emp = employees.get(empId);
+        if (emp && canRemove(empId, shiftInfo.shiftId, repairContext.lockedShifts, assignments, employees)) {
+          unassignEmployee(emp, shiftInfo.shiftId, assignments);
+          repairContext.unassignedPool.push(empId);
+          
+          repairContext.warnings.push(`Überzählige erfahrene in Schicht ${shiftInfo.shiftId} entfernt: ${emp.name}`);
+          console.log(`📉 Removed excess experienced ${empId} from shift ${shiftInfo.shiftId}`);
+        }
+      });
+    }
+  });
+}
+
+// Neue Funktion: Behebe erfahrene Mitarbeiter, die nicht alleine arbeiten dürfen
+export function resolveExperiencedAloneNotAllowed(
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  shifts: SchedulingShift[],
+  repairContext: RepairContext
+): void {
+  shifts.forEach(shift => {
+    if (repairContext.lockedShifts.has(shift.id)) return;
+    
+    const assignment = assignments[shift.id] || [];
+    const violation = hasExperiencedAloneNotAllowed(assignment, employees);
+    
+    if (violation.hasViolation) {
+      console.log(`⚠️ Experienced alone not allowed in shift ${shift.id}, employee: ${violation.employeeId}`);
+      
+      // Versuche einen weiteren Mitarbeiter hinzuzufügen
+      const availableEmployees = Array.from(employees.values()).filter(emp => 
+        emp.id !== violation.employeeId &&
+        canAssign(emp, shift.id) &&
+        !assignment.includes(emp.id) &&
+        !wouldBeAloneIfAdded(emp, shift.id, assignments, employees)
+      );
+      
+      if (availableEmployees.length > 0) {
+        // Wähle den besten Kandidaten
+        const bestCandidate = availableEmployees.reduce((best, current) => {
+          const bestScore = candidateScore(best, shift.id);
+          const currentScore = candidateScore(current, shift.id);
+          return currentScore < bestScore ? current : best;
+        });
+        
+        assignEmployee(bestCandidate, shift.id, assignments);
+        repairContext.warnings.push(`Zusätzlicher Mitarbeiter zu Schicht ${shift.id} hinzugefügt, um erfahrenen nicht allein zu lassen`);
+        console.log(`✅ Added ${bestCandidate.id} to shift ${shift.id} to prevent experienced alone`);
+        return;
+      }
+      
+      // Wenn Hinzufügen nicht möglich, versuche zu tauschen
+      if (attemptSwapForExperiencedAlone(shift.id, violation.employeeId!, assignments, employees, shifts, repairContext)) {
+        return;
+      }
+      
+      // Wenn nichts funktioniert, füge Verletzung hinzu
+      const emp = employees.get(violation.employeeId!);
+      repairContext.violations.push({
+        type: 'ExperiencedAloneNotAllowed',
+        shiftId: shift.id,
+        employeeId: violation.employeeId,
+        severity: 'error',
+        message: `Erfahrener Mitarbeiter ${emp?.name || violation.employeeId} arbeitet allein, darf aber nicht alleine arbeiten`
+      });
+    }
+  });
+}
+
+// Neue Funktion: Tausche für experienced-alone Problem
+export function attemptSwapForExperiencedAlone(
+  shiftId: string,
+  experiencedEmpId: string,
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  allShifts: SchedulingShift[],
+  repairContext: RepairContext
+): boolean {
+  const experiencedEmp = employees.get(experiencedEmpId);
+  if (!experiencedEmp) return false;
+  
+  // Suche nach Schichten mit mehreren Mitarbeitern, wo wir tauschen können
+  for (const otherShift of allShifts) {
+    if (otherShift.id === shiftId || repairContext.lockedShifts.has(otherShift.id)) continue;
+    
+    const otherAssignment = assignments[otherShift.id] || [];
+    
+    // Suche nach einem Mitarbeiter, der alleine arbeiten darf
+    for (const otherEmpId of otherAssignment) {
+      const otherEmp = employees.get(otherEmpId);
+      if (!otherEmp) continue;
+      
+      // Prüfe ob dieser Mitarbeiter alleine arbeiten darf oder erfahren ist
+      const canWorkAlone = otherEmp.role === 'manager' || 
+                          (otherEmp.role === 'erfahren' && otherEmp.originalData?.canWorkAlone) ||
+                          otherEmp.role === 'neu';
+      
+      if (canWorkAlone) {
+        // Prüfe ob Tausch möglich ist
+        if (canAssign(experiencedEmp, otherShift.id) && canAssign(otherEmp, shiftId)) {
+          // Prüfe ob Tausch neue Probleme verursachen würde
+          const wouldCauseProblemsInTarget = wouldBeAloneIfAdded(experiencedEmp, otherShift.id, assignments, employees);
+          const wouldCauseProblemsInSource = wouldBeAloneIfAdded(otherEmp, shiftId, assignments, employees);
+          
+          if (!wouldCauseProblemsInTarget && !wouldCauseProblemsInSource) {
+            // Führe Tausch durch
+            assignments[shiftId] = [otherEmpId];
+            assignments[otherShift.id] = otherAssignment.filter(id => id !== otherEmpId).concat(experiencedEmpId);
+            
+            experiencedEmp.assignedCount++;
+            otherEmp.assignedCount--;
+            
+            console.log(`🔄 Swapped ${experiencedEmpId} with ${otherEmpId} to resolve experienced-alone`);
+            repairContext.warnings.push(`Getauscht: ${experiencedEmp.name} mit ${otherEmp.name} um allein-Arbeiten zu vermeiden`);
+            return true;
+          }
+        }
+      }
+    }
+  }
+  
+  return false;
+}
+
+// Erweiterte prioritizeWarningsWithPool Funktion
+export function prioritizeWarningsWithPool(
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  shifts: SchedulingShift[],
+  managerShifts: string[],
+  repairContext: RepairContext
+): void {
+  if (repairContext.unassignedPool.length === 0) return;
+  
+  // Identifiziere Schichten mit Warnungen (priorisierte Reihenfolge)
+  const warningShifts: { shiftId: string, priority: number, reason: string }[] = [];
+  
+  shifts.forEach(shift => {
+    const assignment = assignments[shift.id] || [];
+    const manager = Array.from(employees.values()).find(emp => emp.role === 'manager');
+    
+    // 1. Höchste Priorität: Experienced alone not allowed
+    const experiencedAloneCheck = hasExperiencedAloneNotAllowed(assignment, employees);
+    if (experiencedAloneCheck.hasViolation) {
+      warningShifts.push({
+        shiftId: shift.id,
+        priority: 1,
+        reason: 'Erfahrener arbeitet allein (nicht erlaubt)'
+      });
+    }
+    // 2. Hohe Priorität: Manager allein
+    else if (managerShifts.includes(shift.id) && isManagerAlone(assignment, manager?.id)) {
+      warningShifts.push({
+        shiftId: shift.id,
+        priority: 2,
+        reason: 'Manager allein'
+      });
+    }
+    // 3. Hohe Priorität: Manager + nur Neue
+    else if (managerShifts.includes(shift.id) && isManagerShiftWithOnlyNew(assignment, employees, manager?.id)) {
+      warningShifts.push({
+        shiftId: shift.id,
+        priority: 3,
+        reason: 'Manager mit nur Neuen'
+      });
+    }
+    // 4. Mittlere Priorität: Nur Neue (nicht-Manager Schichten)
+    else if (!managerShifts.includes(shift.id) && onlyNeuAssigned(assignment, employees)) {
+      warningShifts.push({
+        shiftId: shift.id,
+        priority: 4,
+        reason: 'Nur Neue in Schicht'
+      });
+    }
+    // 5. Niedrige Priorität: Unterbesetzte Schichten
+    else {
+      const shiftObj = shifts.find(s => s.id === shift.id);
+      if (shiftObj && assignment.length < shiftObj.requiredEmployees) {
+        warningShifts.push({
+          shiftId: shift.id,
+          priority: 5,
+          reason: 'Unterbesetzt'
+        });
+      }
+    }
+  });
+  
+  // Sortiere nach Priorität
+  warningShifts.sort((a, b) => a.priority - b.priority);
+  
+  console.log(`🎯 Found ${warningShifts.length} warning shifts to prioritize`);
+  
+  // Weise Pool-Mitarbeiter priorisiert zu
+  warningShifts.forEach(warningShift => {
+    if (repairContext.unassignedPool.length === 0) return;
+    
+    const shiftId = warningShift.shiftId;
+    const assignment = assignments[shiftId] || [];
+    const isManagerShift = managerShifts.includes(shiftId);
+    const isExperiencedAlone = warningShift.priority === 1;
+    
+    // Für Manager-Schichten und experienced-alone: bevorzuge erfahrene Mitarbeiter
+    let candidates = [...repairContext.unassignedPool];
+    
+    if (isManagerShift || isExperiencedAlone) {
+      candidates = candidates.filter(empId => {
+        const emp = employees.get(empId);
+        return emp?.role === 'erfahren';
+      });
+    }
+    
+    // Finde den besten Kandidaten für diese Schicht
+    const bestCandidate = candidates.reduce((best: string | null, current) => {
+      if (!best) return current;
+      
+      const bestEmp = employees.get(best);
+      const currentEmp = employees.get(current);
+      
+      if (!bestEmp || !currentEmp) return best;
+      
+      const bestScore = candidateScore(bestEmp, shiftId);
+      const currentScore = candidateScore(currentEmp, shiftId);
+      
+      return currentScore < bestScore ? current : best;
+    }, null);
+    
+    if (bestCandidate) {
+      const emp = employees.get(bestCandidate);
+      if (emp && canAssign(emp, shiftId)) {
+        // Prüfe ob Zuweisung neue Probleme verursachen würde
+        const wouldCauseProblems = wouldBeAloneIfAdded(emp, shiftId, assignments, employees);
+        
+        if (!wouldCauseProblems) {
+          assignEmployee(emp, shiftId, assignments);
+          
+          // Entferne aus Pool
+          const poolIndex = repairContext.unassignedPool.indexOf(bestCandidate);
+          if (poolIndex > -1) {
+            repairContext.unassignedPool.splice(poolIndex, 1);
+          }
+          
+          console.log(`🎯 Assigned ${bestCandidate} from pool to ${warningShift.reason} shift ${shiftId}`);
+          repairContext.warnings.push(`Pool-Mitarbeiter ${emp.name} zugewiesen zu ${warningShift.reason} Schicht`);
+        }
+      }
+    }
+  });
+}
+
+export function checkResolvedWarnings(
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  shifts: SchedulingShift[],
+  managerShifts: string[],
+  initialWarnings: string[]
+): { resolved: string[]; remaining: string[] } {
+  const resolved: string[] = [];
+  const remaining: string[] = [];
+  const manager = Array.from(employees.values()).find(emp => emp.role === 'manager');
+
+  // Prüfe jede anfängliche Warnung
+  initialWarnings.forEach(warning => {
+    let isResolved = true;
+
+    // Extrahiere die Shift-ID aus der Warnung
+    const shiftIdMatch = warning.match(/Schicht\s+([a-f0-9-]+)/);
+    if (shiftIdMatch) {
+      const shiftId = shiftIdMatch[1];
+      const assignment = assignments[shiftId] || [];
+      
+      // Prüfe basierend auf Warnungstyp
+      if (warning.includes('Manager allein')) {
+        isResolved = !isManagerAlone(assignment, manager?.id);
+      } else if (warning.includes('Manager mit nur Neuen')) {
+        isResolved = !isManagerShiftWithOnlyNew(assignment, employees, manager?.id);
+      } else if (warning.includes('Zwei erfahrene in Schicht')) {
+        const experiencedCanWorkAlone = countExperiencedCanWorkAlone(assignment, employees);
+        isResolved = experiencedCanWorkAlone.length <= 1;
+      } else if (warning.includes('Überzählige erfahrene')) {
+        // Diese Warnung zeigt eine durchgeführte Aktion an, nicht ein bestehendes Problem
+        isResolved = true;
+      } else if (warning.includes('Erfahrener arbeitet allein')) {
+        const violation = hasExperiencedAloneNotAllowed(assignment, employees);
+        isResolved = !violation.hasViolation;
+      }
+    } else {
+      // Für Warnungen ohne spezifische Shift-ID
+      isResolved = !warning.includes('nicht repariert');
+    }
+
+    if (isResolved) {
+      resolved.push(`✅ BEHOBEN: ${warning}`);
+    } else {
+      remaining.push(`❌ VERBLEIBEND: ${warning}`);
+    }
+  });
+
+  return { resolved, remaining };
+}
+
+// Erweiterte Funktion zur Überprüfung aller Probleme
+export function checkAllProblemsResolved(
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  shifts: SchedulingShift[],
+  managerShifts: string[],
+  finalViolations: string[]
+): { resolved: string[]; remaining: string[]; allResolved: boolean } {
+  const resolved: string[] = [];
+  const remaining: string[] = [];
+  const manager = Array.from(employees.values()).find(emp => emp.role === 'manager');
+
+  // Prüfe jede finale Violation
+  finalViolations.forEach(violation => {
+    // IGNORIERE Aktionen - das sind keine Probleme
+    if (violation.includes('Pool-Mitarbeiter') && violation.includes('zugewiesen')) {
+      resolved.push(`✅ AKTION: ${violation.replace('WARNING: ', '')}`);
+      return; // Überspringe diese Meldung
+    }
+    
+    if (violation.startsWith('ERROR:')) {
+      // ... bestehende ERROR-Logik ...
+    } else if (violation.startsWith('WARNING:')) {
+      const warningText = violation.replace('WARNING: ', '');
+      const shiftIdMatch = warningText.match(/Schicht\s+([a-f0-9-]+)/);
+      
+      if (shiftIdMatch) {
+        const shiftId = shiftIdMatch[1];
+        const assignment = assignments[shiftId] || [];
+        let isResolved = false;
+
+        // Prüfe basierend auf Warnungstyp
+        if (warningText.includes('Manager allein')) {
+          isResolved = !isManagerAlone(assignment, manager?.id);
+        } else if (warningText.includes('Manager mit nur Neuen')) {
+          isResolved = !isManagerShiftWithOnlyNew(assignment, employees, manager?.id);
+        } else if (warningText.includes('Zwei erfahrene in Schicht')) {
+          const experiencedCanWorkAlone = countExperiencedCanWorkAlone(assignment, employees);
+          isResolved = experiencedCanWorkAlone.length <= 1;
+        } else if (warningText.includes('Erfahrener arbeitet allein')) {
+          const violationCheck = hasExperiencedAloneNotAllowed(assignment, employees);
+          isResolved = !violationCheck.hasViolation;
+        } else {
+          // Für allgemeine Warnungen
+          isResolved = true;
+        }
+
+        if (isResolved) {
+          resolved.push(`✅ BEHOBEN: ${warningText}`);
+        } else {
+          remaining.push(`⚠️ WARNHINWEIS: ${warningText}`);
+        }
+      } else {
+        // Für Warnungen ohne Shift-ID
+        remaining.push(`⚠️ WARNHINWEIS: ${warningText}`);
+      }
+    }
+  });
+
+  // Zusätzliche Prüfung auf KRITISCHE Probleme (die ein Publizieren verhindern)
+  const criticalProblems: string[] = [];
+  
+  shifts.forEach(shift => {
+    const assignment = assignments[shift.id] || [];
+    
+    // KRITISCH: Manager allein
+    if (managerShifts.includes(shift.id) && isManagerAlone(assignment, manager?.id)) {
+      criticalProblems.push(`Manager allein in Schicht ${shift.id}`);
+    }
+    
+    // KRITISCH: Erfahrene allein (nicht erlaubt)
+    const experiencedAloneCheck = hasExperiencedAloneNotAllowed(assignment, employees);
+    if (experiencedAloneCheck.hasViolation) {
+      const emp = employees.get(experiencedAloneCheck.employeeId!);
+      criticalProblems.push(`Erfahrener ${emp?.name} arbeitet allein in Schicht ${shift.id}`);
+    }
+    
+    // KRITISCH: Leere Schichten
+    if (assignment.length === 0) {
+      criticalProblems.push(`Leere Schicht ${shift.id}`);
+    }
+    
+    // KRITISCH: Nur Neue in normalen Schichten
+    if (!managerShifts.includes(shift.id) && onlyNeuAssigned(assignment, employees)) {
+      criticalProblems.push(`Nur Neue in Schicht ${shift.id}`);
+    }
+    
+    // KRITISCH: Vertragsüberschreitungen
+    employees.forEach(emp => {
+      if (emp.role !== 'manager' && emp.assignedCount > emp.contract) {
+        criticalProblems.push(`Vertragslimit überschritten für ${emp.name}`);
+      }
+    });
+    
+    // NICHT KRITISCH: Manager mit nur Neuen (nur Warnung)
+    // -> wird nicht in criticalProblems aufgenommen
+  });
+
+  // Füge kritische Probleme zu remaining hinzu
+  criticalProblems.forEach(problem => {
+    if (!remaining.some(r => r.includes(problem))) {
+      remaining.push(`❌ KRITISCH: ${problem}`);
+    }
+  });
+
+  const allResolved = criticalProblems.length === 0;
+
+  return { resolved, remaining, allResolved };
 }
--- a/frontend/src/services/scheduling/shiftScheduler.ts
+++ b/frontend/src/services/scheduling/shiftScheduler.ts
@@ -4,7 +4,8 @@ import {
  SchedulingShift, 
  Assignment, 
  SchedulingResult,
-  SchedulingConstraints 
+  SchedulingConstraints,
+  RepairContext
 } from './types';
 import { 
  canAssign, 
@@ -12,23 +13,38 @@ import {
  onlyNeuAssigned, 
  assignEmployee, 
  hasErfahrener,
-  respectsNewRuleIfAdded 
+  wouldBeAloneIfAdded,
+  findViolations,
+  isManagerShiftWithOnlyNew,
+  isManagerAlone,
+  hasExperiencedAloneNotAllowed
 } from './utils';
 import { 
-  attemptRepairMoveErfahrener, 
+  attemptMoveErfahrenerTo,
  attemptSwapBringErfahrener,
-  attemptComplexRepairForManagerShift 
+  attemptLocalFixNeuAlone,
+  attemptUnassignOrSwap,
+  attemptFillFromOverallocated,
+  attemptAddErfahrenerToShift,
+  attemptFillFromPool,
+  checkManagerShiftRules, 
+  resolveTwoExperiencedInShift,
+  attemptMoveExperiencedToManagerShift,
+  attemptSwapForExperienced,
+  resolveOverstaffedExperienced,
+  prioritizeWarningsWithPool,
+  resolveExperiencedAloneNotAllowed,
+  checkAllProblemsResolved
 } from './repairFunctions';

-export function scheduleWithManager(
+// Phase A: Regular employee scheduling (without manager)
+function phaseAPlan(
  shifts: SchedulingShift[],
  employees: SchedulingEmployee[],
-  managerShifts: string[], // shift IDs where manager should be assigned
  constraints: SchedulingConstraints
-): SchedulingResult {
-  
+): { assignments: Assignment; warnings: string[] } {
  const assignments: Assignment = {};
-  const violations: string[] = [];
+  const warnings: string[] = [];
  const employeeMap = new Map(employees.map(emp => [emp.id, emp]));
  
  // Initialize assignments
@@ -36,9 +52,6 @@ export function scheduleWithManager(
    assignments[shift.id] = [];
  });

-  // Find manager
-  const manager = employees.find(emp => emp.role === 'manager');
-  
  // Helper function to find best candidate
  function findBestCandidate(candidates: SchedulingEmployee[], shiftId: string): SchedulingEmployee | null {
    if (candidates.length === 0) return null;
@@ -46,29 +59,16 @@ export function scheduleWithManager(
    return candidates.reduce((best, current) => {
      const bestScore = candidateScore(best, shiftId);
      const currentScore = candidateScore(current, shiftId);
-      
-      // Compare arrays lexicographically
-      for (let i = 0; i < bestScore.length; i++) {
-        if (currentScore[i] < bestScore[i]) return current;
-        if (currentScore[i] > bestScore[i]) return best;
-      }
-      return best;
+      return currentScore < bestScore ? current : best;
    });
  }

-  // PHASE A: Regular employee scheduling (IGNORE ManagerShifts)
-  const nonManagerShifts = shifts.filter(shift => !managerShifts.includes(shift.id));
-
-  // 1) Basic coverage: at least 1 person per shift (prefer erfahrene)
-  for (const shift of nonManagerShifts) {
-    const candidates = employees.filter(emp => 
-      emp.role !== 'manager' && 
-      canAssign(emp, shift.id) &&
-      respectsNewRuleIfAdded(emp, shift.id, assignments, employeeMap)
-    );
-
+  // 1) Basic coverage: at least 1 person per shift, prefer experienced
+  for (const shift of shifts) {
+    const candidates = employees.filter(emp => canAssign(emp, shift.id));
+    
    if (candidates.length === 0) {
-      violations.push(`No available employees for shift ${shift.id}`);
+      warnings.push(`No available employees for shift ${shift.id}`);
      continue;
    }

@@ -84,13 +84,12 @@ export function scheduleWithManager(
    }
  }

-  // 2) Ensure: no neu working alone (Phase A)
+  // 2) Prevent 'neu alone' if constraint enabled
  if (constraints.enforceNoTraineeAlone) {
-    for (const shift of nonManagerShifts) {
+    for (const shift of shifts) {
      if (onlyNeuAssigned(assignments[shift.id], employeeMap)) {
        const erfahrenCandidates = employees.filter(emp => 
-          emp.role === 'erfahren' && 
-          canAssign(emp, shift.id)
+          emp.role === 'erfahren' && canAssign(emp, shift.id)
        );

        if (erfahrenCandidates.length > 0) {
@@ -100,22 +99,23 @@ export function scheduleWithManager(
          }
        } else {
          // Try repair
-          if (!attemptRepairMoveErfahrener(shift.id, assignments, employeeMap, shifts)) {
-            violations.push(`Cannot prevent neu-alone in shift ${shift.id}`);
+          if (!attemptMoveErfahrenerTo(shift.id, assignments, employeeMap, shifts)) {
+            warnings.push(`Cannot prevent neu-alone in shift ${shift.id}`);
          }
        }
      }
    }
  }

-  // 3) Goal: up to required employees per shift
-  for (const shift of nonManagerShifts) {
-    while (assignments[shift.id].length < shift.requiredEmployees) {
+  // 3) Fill up to target employees per shift
+  const targetPerShift = constraints.targetEmployeesPerShift || 2;
+  
+  for (const shift of shifts) {
+    while (assignments[shift.id].length < targetPerShift) {
      const candidates = employees.filter(emp => 
-        emp.role !== 'manager' && 
        canAssign(emp, shift.id) && 
        !assignments[shift.id].includes(emp.id) &&
-        respectsNewRuleIfAdded(emp, shift.id, assignments, employeeMap)
+        !wouldBeAloneIfAdded(emp, shift.id, assignments, employeeMap)
      );

      if (candidates.length === 0) break;
@@ -129,63 +129,362 @@ export function scheduleWithManager(
    }
  }

-  // PHASE B: Manager shifts
-  if (manager) {
-    for (const shiftId of managerShifts) {
-      const shift = shifts.find(s => s.id === shiftId);
-      if (!shift) continue;
+  return { assignments, warnings };
+}

-      // Assign manager to his chosen shifts
-      if (!assignments[shiftId].includes(manager.id)) {
-        if (manager.availability.get(shiftId) === 3) {
-          violations.push(`Manager assigned to shift he marked unavailable: ${shiftId}`);
-        }
-        assignEmployee(manager, shiftId, assignments);
-      }
+// Phase B: Insert manager and ensure "experienced with manager"
+function phaseBInsertManager(
+  assignments: Assignment,
+  manager: SchedulingEmployee | undefined,
+  managerShifts: string[],
+  employees: SchedulingEmployee[],
+  nonManagerShifts: SchedulingShift[],
+  constraints: SchedulingConstraints
+): { assignments: Assignment; warnings: string[] } {
+  const warnings: string[] = [];
+  const employeeMap = new Map(employees.map(emp => [emp.id, emp]));

-      // Rule: if manager present, MUST be at least one ERFAHRENER in same shift
-      if (!hasErfahrener(assignments[shiftId], employeeMap)) {
+  if (!manager) return { assignments, warnings };
+
+  console.log(`🎯 Phase B: Processing ${managerShifts.length} manager shifts`);
+
+  for (const shiftId of managerShifts) {
+    const shift = nonManagerShifts.find(s => s.id === shiftId) || { id: shiftId, requiredEmployees: 2 };
+    
+    // Assign manager to his chosen shifts
+    if (!assignments[shiftId].includes(manager.id)) {
+      assignments[shiftId].push(manager.id);
+      manager.assignedCount++;
+      console.log(`✅ Assigned manager to shift ${shiftId}`);
+    }
+
+    // Rule: if manager present, MUST have at least one ERFAHRENER
+    if (constraints.enforceExperiencedWithChef) {
+      const hasExperienced = hasErfahrener(assignments[shiftId], employeeMap);
+      
+      if (!hasExperienced) {
+        console.log(`⚠️ Manager shift ${shiftId} missing experienced employee`);
+        
+        // Strategy 1: Try to add an experienced employee directly
        const erfahrenCandidates = employees.filter(emp => 
          emp.role === 'erfahren' && 
-          canAssign(emp, shiftId)
+          canAssign(emp, shiftId) &&
+          !assignments[shiftId].includes(emp.id)
        );

        if (erfahrenCandidates.length > 0) {
-          const bestCandidate = findBestCandidate(erfahrenCandidates, shiftId);
-          if (bestCandidate) {
-            assignEmployee(bestCandidate, shiftId, assignments);
-            continue;
-          }
+          // Find best candidate using scoring
+          const bestCandidate = erfahrenCandidates.reduce((best, current) => {
+            const bestScore = candidateScore(best, shiftId);
+            const currentScore = candidateScore(current, shiftId);
+            return currentScore < bestScore ? current : best;
+          });
+          
+          assignEmployee(bestCandidate, shiftId, assignments);
+          console.log(`✅ Added experienced ${bestCandidate.id} to manager shift ${shiftId}`);
+          continue;
        }

-        // Try repairs
-        if (!attemptSwapBringErfahrener(shiftId, assignments, employeeMap, shifts) &&
-            !attemptComplexRepairForManagerShift(shiftId, assignments, employeeMap, shifts)) {
-          violations.push(`Cannot satisfy manager+erfahren requirement for shift ${shiftId}`);
+        // Strategy 2: Try to swap with another shift
+        if (attemptSwapForExperienced(shiftId, assignments, employeeMap, nonManagerShifts)) {
+          console.log(`✅ Swapped experienced into manager shift ${shiftId}`);
+          continue;
+        }
+
+        // Strategy 3: Try to move experienced from overloaded shift
+        if (attemptMoveExperiencedToManagerShift(shiftId, assignments, employeeMap, nonManagerShifts)) {
+          console.log(`✅ Moved experienced to manager shift ${shiftId}`);
+          continue;
+        }
+
+        // Final fallback: Check if we can at least add ANY employee (not just experienced)
+        const anyCandidates = employees.filter(emp => 
+          emp.role !== 'manager' &&
+          canAssign(emp, shiftId) &&
+          !assignments[shiftId].includes(emp.id) &&
+          !wouldBeAloneIfAdded(emp, shiftId, assignments, employeeMap)
+        );
+
+        if (anyCandidates.length > 0) {
+          const bestCandidate = anyCandidates.reduce((best, current) => {
+            const bestScore = candidateScore(best, shiftId);
+            const currentScore = candidateScore(current, shiftId);
+            return currentScore < bestScore ? current : best;
+          });
+          
+          assignEmployee(bestCandidate, shiftId, assignments);
+          warnings.push(`Manager shift ${shiftId} has non-experienced backup: ${bestCandidate.name}`);
+          console.log(`⚠️ Added non-experienced backup to manager shift ${shiftId}`);
+        } else {
+          warnings.push(`Manager alone in shift ${shiftId} - no available employees`);
+          console.log(`❌ Cannot fix manager alone in shift ${shiftId}`);
        }
      }
    }
  }

-  // FINAL: Validate constraints
-  for (const shift of shifts) {
-    if (assignments[shift.id].length === 0) {
-      violations.push(`Empty shift after scheduling: ${shift.id}`);
-    }
-    if (constraints.enforceNoTraineeAlone && onlyNeuAssigned(assignments[shift.id], employeeMap)) {
-      violations.push(`Neu alone after full scheduling: ${shift.id}`);
-    }
-  }
+  return { assignments, warnings };
+}

-  for (const emp of employees) {
-    if (emp.role !== 'manager' && emp.assignedCount > emp.contract) {
-      violations.push(`Contract exceeded for employee: ${emp.id}`);
+// Phase C: Repair and validate
+export function enhancedPhaseCRepairValidate(
+  assignments: Assignment,
+  employees: SchedulingEmployee[],
+  shifts: SchedulingShift[],
+  managerShifts: string[],
+  constraints: SchedulingConstraints
+): { assignments: Assignment; violations: string[]; resolutionReport: string[]; allProblemsResolved: boolean } {
+  
+  const repairContext: RepairContext = {
+    lockedShifts: new Set<string>(),
+    unassignedPool: [],
+    warnings: [],
+    violations: []
+  };
+  
+  const employeeMap = new Map(employees.map(emp => [emp.id, emp]));
+  const manager = employees.find(emp => emp.role === 'manager');
+
+  console.log('🔄 Starting Enhanced Phase C: Smart Repair & Validation');
+
+  // 1. Manager-Schutzregel
+  managerShifts.forEach(shiftId => {
+    repairContext.lockedShifts.add(shiftId);
+  });
+
+  // 2. Überbesetzte erfahrene Mitarbeiter identifizieren und in Pool verschieben
+  resolveOverstaffedExperienced(assignments, employeeMap, shifts, repairContext);
+
+  // 3. Erfahrene Mitarbeiter, die nicht alleine arbeiten dürfen
+  resolveExperiencedAloneNotAllowed(assignments, employeeMap, shifts, repairContext);
+
+  // 4. Doppel-Erfahrene-Strafe (nur für Nicht-Manager-Schichten)
+  shifts.forEach(shift => {
+    if (!managerShifts.includes(shift.id)) {
+      resolveTwoExperiencedInShift(shift.id, assignments, employeeMap, repairContext);
    }
-  }
+  });
+
+  // 5. Priorisierte Zuweisung von Pool-Mitarbeitern zu Schichten mit Warnungen
+  prioritizeWarningsWithPool(assignments, employeeMap, shifts, managerShifts, repairContext);
+
+  // 6. Standard-Validation
+  shifts.forEach(shift => {
+    const assignment = assignments[shift.id] || [];
+    
+    // Leere Schichten beheben
+    if (assignment.length === 0) {
+      if (!attemptFillFromPool(shift.id, assignments, employeeMap, repairContext, managerShifts)) {
+        repairContext.violations.push({
+          type: 'EmptyShift',
+          shiftId: shift.id,
+          severity: 'error',
+          message: `Leere Schicht: ${shift.id}`
+        });
+      }
+    }
+    
+    // Neu-allein Schichten beheben (nur für Nicht-Manager-Schichten)
+    if (constraints.enforceNoTraineeAlone && 
+        !managerShifts.includes(shift.id) && 
+        onlyNeuAssigned(assignment, employeeMap)) {
+      if (!attemptAddErfahrenerToShift(shift.id, assignments, employeeMap, shifts)) {
+        repairContext.violations.push({
+          type: 'NeuAlone',
+          shiftId: shift.id,
+          severity: 'error',
+          message: `Nur neue Mitarbeiter in Schicht: ${shift.id}`
+        });
+      }
+    }
+    
+    // Erfahrene-allein Prüfung (erneut nach Reparaturen)
+    const experiencedAloneCheck = hasExperiencedAloneNotAllowed(assignment, employeeMap);
+    if (experiencedAloneCheck.hasViolation && !repairContext.lockedShifts.has(shift.id)) {
+      const emp = employeeMap.get(experiencedAloneCheck.employeeId!);
+      repairContext.violations.push({
+        type: 'ExperiencedAloneNotAllowed',
+        shiftId: shift.id,
+        employeeId: experiencedAloneCheck.employeeId,
+        severity: 'error',
+        message: `Erfahrener Mitarbeiter ${emp?.name || experiencedAloneCheck.employeeId} arbeitet allein, darf aber nicht alleine arbeiten`
+      });
+    }
+  });
+
+  // 7. Vertragsüberschreitungen beheben
+  employees.forEach(emp => {
+    if (emp.role !== 'manager' && emp.assignedCount > emp.contract) {
+      if (!attemptUnassignOrSwap(emp.id, assignments, employeeMap, shifts)) {
+        repairContext.violations.push({
+          type: 'ContractExceeded',
+          employeeId: emp.id,
+          severity: 'error',
+          message: `Vertragslimit überschritten für: ${emp.name}`
+        });
+      }
+    }
+  });
+
+  // 8. Nachbesserung: Manager-Schichten prüfen
+  managerShifts.forEach(shiftId => {
+    const assignment = assignments[shiftId] || [];
+    
+    // Manager allein -> KRITISCH (error)
+    if (isManagerAlone(assignment, manager?.id)) {
+        repairContext.violations.push({
+        type: 'ManagerAlone',
+        shiftId: shiftId,
+        severity: 'error', // KRITISCH
+        message: `Manager allein in Schicht ${shiftId}`
+        });
+    }
+    
+    // Manager + nur Neue -> NUR WARNUNG (warning)
+    if (isManagerShiftWithOnlyNew(assignment, employeeMap, manager?.id)) {
+        repairContext.violations.push({
+        type: 'ManagerWithOnlyNew',
+        shiftId: shiftId,
+        severity: 'warning', // NUR WARNUNG
+        message: `Manager mit nur Neuen in Schicht ${shiftId}`
+        });
+    }
+    });
+
+  // Erstelle finale Violations-Liste
+  const uniqueViolations = repairContext.violations.filter((v, index, self) =>
+    index === self.findIndex(t => 
+      t.type === v.type && 
+      t.shiftId === v.shiftId && 
+      t.employeeId === v.employeeId
+    )
+  );
+
+  const uniqueWarnings = repairContext.warnings.filter((warning, index, array) => 
+    array.indexOf(warning) === index
+  );
+
+  const finalViolations = [
+    // Nur ERROR-Violations als ERROR markieren
+    ...uniqueViolations
+        .filter(v => v.severity === 'error')
+        .map(v => `ERROR: ${v.message}`),
+    
+    // WARNING-Violations als WARNING markieren  
+    ...uniqueViolations
+        .filter(v => v.severity === 'warning')
+        .map(v => `WARNING: ${v.message}`),
+    
+    // Andere Warnungen als INFO (Aktionen)
+    ...uniqueWarnings.map(w => `INFO: ${w}`)
+    ];
+
+  // 9. FINALE ÜBERPRÜFUNG: Prüfe ob alle kritischen Probleme gelöst wurden
+  const resolutionCheck = checkAllProblemsResolved(
+    assignments, 
+    employeeMap, 
+    shifts, 
+    managerShifts, 
+    finalViolations
+  );
+
+  const resolutionReport = [
+    '=== REPARATUR-BERICHT ===',
+    `Aufgelöste Probleme: ${resolutionCheck.resolved.length}`,
+    `Verbleibende Probleme: ${resolutionCheck.remaining.length}`,
+    `Alle kritischen Probleme behoben: ${resolutionCheck.allResolved ? '✅ JA' : '❌ NEIN'}`,
+    '',
+    '--- AUFGELÖSTE PROBLEME ---',
+    ...(resolutionCheck.resolved.length > 0 ? resolutionCheck.resolved : ['Keine']),
+    '',
+    '--- VERBLEIBENDE PROBLEME ---',
+    ...(resolutionCheck.remaining.length > 0 ? resolutionCheck.remaining : ['Keine']),
+    '',
+    '=== ENDE BERICHT ==='
+  ];
+
+  console.log('📊 Enhanced Phase C completed:', {
+    poolSize: repairContext.unassignedPool.length,
+    violations: uniqueViolations.length,
+    warnings: uniqueWarnings.length,
+    allProblemsResolved: resolutionCheck.allResolved
+  });

  return {
    assignments,
-    violations,
-    success: violations.length === 0
+    violations: finalViolations,
+    resolutionReport,
+    allProblemsResolved: resolutionCheck.allResolved
+  };
+}
+
+export function scheduleWithManager(
+  shifts: SchedulingShift[],
+  employees: SchedulingEmployee[],
+  managerShifts: string[],
+  constraints: SchedulingConstraints
+): SchedulingResult & { resolutionReport?: string[]; allProblemsResolved?: boolean } {
+  
+  const assignments: Assignment = {};
+  const allViolations: string[] = [];
+
+  // Initialisiere Zuweisungen
+  shifts.forEach(shift => {
+    assignments[shift.id] = [];
+  });
+
+  // Finde Manager
+  const manager = employees.find(emp => emp.role === 'manager');
+  
+  // Filtere Manager und Nicht-Manager-Schichten für Phase A
+  const nonManagerEmployees = employees.filter(emp => emp.role !== 'manager');
+  const nonManagerShifts = shifts.filter(shift => !managerShifts.includes(shift.id));
+
+  console.log('🔄 Starting Phase A: Regular employee scheduling');
+  
+  // Phase A: Reguläre Planung
+  const phaseAResult = phaseAPlan(nonManagerShifts, nonManagerEmployees, constraints);
+  Object.assign(assignments, phaseAResult.assignments);
+
+  console.log('🔄 Starting Phase B: Enhanced Manager insertion');
+  
+  // Phase B: Erweiterte Manager-Einfügung
+  const phaseBResult = phaseBInsertManager(
+    assignments, 
+    manager, 
+    managerShifts, 
+    employees, 
+    nonManagerShifts,
+    constraints
+  );
+
+  console.log('🔄 Starting Enhanced Phase C: Smart Repair & Validation');
+  
+  // Phase C: Erweiterte Reparatur und Validierung mit Pool-Verwaltung
+  const phaseCResult = enhancedPhaseCRepairValidate(assignments, employees, shifts, managerShifts, constraints);
+  
+  // Verwende Array.filter für uniqueIssues
+  const uniqueIssues = phaseCResult.violations.filter((issue, index, array) => 
+    array.indexOf(issue) === index
+  );
+
+  // Erfolg basiert jetzt auf allProblemsResolved statt nur auf ERRORs
+  const success = phaseCResult.allProblemsResolved;
+
+  console.log('📊 Enhanced scheduling with pool management completed:', {
+    assignments: Object.keys(assignments).filter(k => assignments[k].length > 0).length,
+    totalShifts: shifts.length,
+    totalIssues: uniqueIssues.length,
+    errors: uniqueIssues.filter(v => v.includes('ERROR:')).length,
+    warnings: uniqueIssues.filter(v => v.includes('WARNING:')).length,
+    allProblemsResolved: success
+  });
+
+  return {
+    assignments,
+    violations: uniqueIssues,
+    success: success,
+    resolutionReport: phaseCResult.resolutionReport,
+    allProblemsResolved: success
  };
 }
--- a/frontend/src/services/scheduling/types.ts
+++ b/frontend/src/services/scheduling/types.ts
@@ -22,27 +22,54 @@ export interface Assignment {
  [shiftId: string]: string[]; // employee IDs
 }

-export interface SchedulingResult {
-  assignments: Assignment;
-  violations: string[];
-  success: boolean;
-}
-
 export interface SchedulingConstraints {
  enforceNoTraineeAlone: boolean;
  enforceExperiencedWithChef: boolean;
  maxRepairAttempts: number;
 }

+export interface SchedulingResult {
+  assignments: Assignment;
+  violations: string[];
+  success: boolean;
+  resolutionReport?: string[];
+  allProblemsResolved?: boolean;
+}
+
 export interface AssignmentResult {
  assignments: { [shiftId: string]: string[] };
  violations: string[];
  success: boolean;
  pattern: WeeklyPattern;
+  resolutionReport?: string[];
+  allProblemsResolved?: boolean;
 }

 export interface WeeklyPattern {
  weekShifts: ScheduledShift[];
  assignments: { [shiftId: string]: string[] };
  weekNumber: number;
+}
+
+export interface SchedulingConstraints {
+  enforceNoTraineeAlone: boolean;
+  enforceExperiencedWithChef: boolean;
+  maxRepairAttempts: number;
+  targetEmployeesPerShift?: number; // New: flexible target
+}
+
+export interface Violation {
+  type: 'EmptyShift' | 'NeuAlone' | 'ContractExceeded' | 'ManagerWithoutExperienced' | 
+        'TwoExperiencedInShift' | 'ManagerAlone' | 'ManagerWithOnlyNew' | 'ExperiencedAloneNotAllowed';
+  shiftId?: string;
+  employeeId?: string;
+  severity: 'error' | 'warning';
+  message: string;
+}
+
+export interface RepairContext {
+  lockedShifts: Set<string>;
+  unassignedPool: string[];
+  warnings: string[];
+  violations: Violation[];
 }
--- a/frontend/src/services/scheduling/utils.ts
+++ b/frontend/src/services/scheduling/utils.ts
@@ -1,20 +1,29 @@
 // frontend/src/services/scheduling/utils.ts
 import { SchedulingEmployee, SchedulingShift, Assignment } from './types';

+// Scoring system
+export function getAvailabilityScore(preferenceLevel: number): number {
+  switch (preferenceLevel) {
+    case 1: return 2;  // preferred
+    case 2: return 1;  // available
+    case 3: return -9999; // unavailable
+    default: return 0;
+  }
+}
+
 export function canAssign(emp: SchedulingEmployee, shiftId: string): boolean {
  if (emp.availability.get(shiftId) === 3) return false;
-  if (emp.role === 'manager') return true;
+  if (emp.role === 'manager') return false; // Phase A: ignore manager
  return emp.assignedCount < emp.contract;
 }

-export function candidateScore(emp: SchedulingEmployee, shiftId: string): [number, number, number] {
+export function candidateScore(emp: SchedulingEmployee, shiftId: string): number {
  const availability = emp.availability.get(shiftId) || 3;
-  const rolePriority = emp.role === 'erfahren' ? 0 : 1;
-  return [availability, emp.assignedCount, rolePriority];
-}
-
-export function rolePriority(role: string): number {
-  return role === 'erfahren' ? 0 : 1;
+  const baseScore = -getAvailabilityScore(availability); // prefer higher availability scores
+  const loadPenalty = emp.assignedCount * 0.5; // fairness: penalize already assigned
+  const rolePenalty = emp.role === 'erfahren' ? 0 : 0.5; // prefer experienced
+  
+  return baseScore + loadPenalty + rolePenalty;
 }

 export function onlyNeuAssigned(assignment: string[], employees: Map<string, SchedulingEmployee>): boolean {
@@ -33,6 +42,13 @@ export function assignEmployee(emp: SchedulingEmployee, shiftId: string, assignm
  emp.assignedCount++;
 }

+export function unassignEmployee(emp: SchedulingEmployee, shiftId: string, assignments: Assignment): void {
+  if (assignments[shiftId]) {
+    assignments[shiftId] = assignments[shiftId].filter(id => id !== emp.id);
+    emp.assignedCount--;
+  }
+}
+
 export function hasErfahrener(assignment: string[], employees: Map<string, SchedulingEmployee>): boolean {
  return assignment.some(empId => {
    const emp = employees.get(empId);
@@ -40,19 +56,173 @@ export function hasErfahrener(assignment: string[], employees: Map<string, Sched
  });
 }

-export function respectsNewRuleIfAdded(
-  emp: SchedulingEmployee, 
-  shiftId: string, 
-  assignments: Assignment, 
+export function wouldBeAloneIfAdded(
+  candidate: SchedulingEmployee,
+  shiftId: string,
+  assignments: Assignment,
  employees: Map<string, SchedulingEmployee>
 ): boolean {
  const currentAssignment = assignments[shiftId] || [];
  
-  if (emp.role === 'neu') {
-    // Neu employee can only be added if there's already an erfahrener
-    return hasErfahrener(currentAssignment, employees);
+  // If adding to empty shift and candidate is neu, they would be alone
+  if (currentAssignment.length === 0 && candidate.role === 'neu') {
+    return true;
  }
  
-  // Erfahren employees are always allowed
-  return true;
+  // If all current assignments are neu and candidate is neu, they would be alone together
+  if (onlyNeuAssigned(currentAssignment, employees) && candidate.role === 'neu') {
+    return true;
+  }
+  
+  return false;
+}
+
+export function findViolations(
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>,
+  shifts: SchedulingShift[],
+  managerShifts: string[] = []
+): { type: string; shiftId?: string; employeeId?: string; severity: string }[] {
+  const violations: any[] = [];
+  const employeeMap = employees;
+
+  // Check each shift
+  shifts.forEach(shift => {
+    const assignment = assignments[shift.id] || [];
+    
+    // Empty shift violation
+    if (assignment.length === 0) {
+      violations.push({
+        type: 'EmptyShift',
+        shiftId: shift.id,
+        severity: 'error'
+      });
+    }
+    
+    // Neu alone violation
+    if (onlyNeuAssigned(assignment, employeeMap)) {
+      violations.push({
+        type: 'NeuAlone',
+        shiftId: shift.id,
+        severity: 'error'
+      });
+    }
+    
+    // Manager without experienced (for manager shifts)
+    if (managerShifts.includes(shift.id)) {
+      const hasManager = assignment.some(empId => {
+        const emp = employeeMap.get(empId);
+        return emp?.role === 'manager';
+      });
+      
+      if (hasManager && !hasErfahrener(assignment, employeeMap)) {
+        violations.push({
+          type: 'ManagerWithoutExperienced',
+          shiftId: shift.id,
+          severity: 'warning' // Could be warning instead of error
+        });
+      }
+    }
+  });
+
+  // Check employee contracts
+  employeeMap.forEach((emp, empId) => {
+    if (emp.role !== 'manager' && emp.assignedCount > emp.contract) {
+      violations.push({
+        type: 'ContractExceeded',
+        employeeId: empId,
+        severity: 'error'
+      });
+    }
+  });
+
+  return violations;
+}
+
+export function canRemove(
+  empId: string, 
+  shiftId: string, 
+  lockedShifts: Set<string>, 
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>
+): boolean {
+  // Wenn Schicht gesperrt ist, kann niemand entfernt werden
+  if (lockedShifts.has(shiftId)) {
+    return false;
+  }
+  
+  const emp = employees.get(empId);
+  if (!emp) return false;
+  
+  // Überprüfe ob Entfernen neue Verletzungen verursachen würde
+  const currentAssignment = assignments[shiftId] || [];
+  const wouldBeEmpty = currentAssignment.length <= 1;
+  const wouldBeNeuAlone = wouldBeEmpty && emp.role === 'erfahren';
+  const wouldBeExperiencedAlone = wouldBeExperiencedAloneIfRemoved(empId, shiftId, assignments, employees);
+  
+  return !wouldBeEmpty && !wouldBeNeuAlone && !wouldBeExperiencedAlone;
+}
+
+export function countExperiencedCanWorkAlone(
+  assignment: string[], 
+  employees: Map<string, SchedulingEmployee>
+): string[] {
+  return assignment.filter(empId => {
+    const emp = employees.get(empId);
+    return emp?.role === 'erfahren' && emp.originalData?.canWorkAlone;
+  });
+}
+
+export function isManagerShiftWithOnlyNew(
+  assignment: string[], 
+  employees: Map<string, SchedulingEmployee>,
+  managerId?: string
+): boolean {
+  if (!managerId || !assignment.includes(managerId)) return false;
+  
+  const nonManagerEmployees = assignment.filter(id => id !== managerId);
+  return onlyNeuAssigned(nonManagerEmployees, employees);
+}
+
+export function isManagerAlone(
+  assignment: string[], 
+  managerId?: string
+): boolean {
+  return assignment.length === 1 && assignment[0] === managerId;
+}
+
+export function hasExperiencedAloneNotAllowed(
+  assignment: string[], 
+  employees: Map<string, SchedulingEmployee>
+): { hasViolation: boolean; employeeId?: string } {
+  if (assignment.length !== 1) return { hasViolation: false };
+  
+  const empId = assignment[0];
+  const emp = employees.get(empId);
+  
+  if (emp && emp.role === 'erfahren' && !emp.originalData?.canWorkAlone) {
+    return { hasViolation: true, employeeId: empId };
+  }
+  
+  return { hasViolation: false };
+}
+
+export function isExperiencedCanWorkAlone(emp: SchedulingEmployee): boolean {
+  return emp.role === 'erfahren' && emp.originalData?.canWorkAlone === true;
+}
+
+export function wouldBeExperiencedAloneIfRemoved(
+  empId: string,
+  shiftId: string,
+  assignments: Assignment,
+  employees: Map<string, SchedulingEmployee>
+): boolean {
+  const assignment = assignments[shiftId] || [];
+  if (assignment.length <= 1) return false;
+  
+  const remainingAssignment = assignment.filter(id => id !== empId);
+  if (remainingAssignment.length !== 1) return false;
+  
+  const remainingEmp = employees.get(remainingAssignment[0]);
+  return remainingEmp?.role === 'erfahren' && !remainingEmp.originalData?.canWorkAlone;
 }
--- a/frontend/src/services/shiftAssignmentService.ts
+++ b/frontend/src/services/shiftAssignmentService.ts
@@ -127,7 +127,7 @@ export class ShiftAssignmentService {
    constraints: any = {}
  ): Promise<AssignmentResult> {

-    console.log('🔄 Starting new scheduling algorithm...');
+    console.log('🔄 Starting enhanced scheduling algorithm...');

    // Get defined shifts for the first week
    const definedShifts = this.getDefinedShifts(shiftPlan);
@@ -152,7 +152,7 @@ export class ShiftAssignmentService {
      managerShifts: managerShifts.length
    });

-    // Run the scheduling algorithm
+    // Run the enhanced scheduling algorithm with better constraints
    const schedulingResult = scheduleWithManager(
      schedulingShifts,
      schedulingEmployees,
@@ -160,11 +160,12 @@ export class ShiftAssignmentService {
      {
        enforceNoTraineeAlone: constraints.enforceNoTraineeAlone ?? true,
        enforceExperiencedWithChef: constraints.enforceExperiencedWithChef ?? true,
-        maxRepairAttempts: constraints.maxRepairAttempts ?? 50
+        maxRepairAttempts: constraints.maxRepairAttempts ?? 50,
+        targetEmployeesPerShift: constraints.targetEmployeesPerShift ?? 2 // Flexible target
      }
    );

-    console.log('📊 Scheduling completed:', {
+    console.log('📊 Enhanced scheduling completed:', {
      assignments: Object.keys(schedulingResult.assignments).length,
      violations: schedulingResult.violations.length,
      success: schedulingResult.success
@@ -183,10 +184,12 @@ export class ShiftAssignmentService {
      assignments: allAssignments,
      violations: schedulingResult.violations,
      success: schedulingResult.violations.length === 0,
-      pattern: weeklyPattern
+      pattern: weeklyPattern,
+      resolutionReport: schedulingResult.resolutionReport // Füge diese Zeile hinzu
    };
  }

+
  private static async createWeeklyPattern(
    definedShifts: ScheduledShift[],
    employees: Employee[],