corrected time calculation

lib/models/month_start.dart

@@ -14,7 +14,8 @@ class MonthStart {
   });
 
   /// Basis für kumulierte Differenz
-  int get carryBaseMinutes => startMinutes + overtimeMinutes + correctionMinutes;
+  int get carryBaseMinutes =>
+      startMinutes + correctionMinutes - overtimeMinutes;
 
   static MonthStart fromJson(Map<String, dynamic> json) {
     final bookings = (json['bookings'] as List?) ?? const [];

lib/screens/monthly_view.dart

@@ -316,9 +316,11 @@ class _MonthlyViewState extends State<MonthlyView> {
       'T': _days.where((d) => d.code == 'T').length,
     };
 
+    final startMinutes = _monthStartInfo?.startMinutes ?? 0;
     final correctionMin = _monthStartInfo?.correctionMinutes ?? 0;
-    final nextCarryMin =
-        cumulative.isNotEmpty ? cumulative.last : _carryBaseMinutes;
+    final overtimeMin = _monthStartInfo?.overtimeMinutes ?? 0;
+    final saldoMin = istTotal - sollTotal;
+    final nextCarryMin = startMinutes + correctionMin + saldoMin - overtimeMin;
 
     final rows = List<DataRow>.generate(_days.length, (i) {
       final day = effectiveDays[i];
@@ -438,12 +440,12 @@ class _MonthlyViewState extends State<MonthlyView> {
         _MonthlySummaryFooter(
           month: _monthStart,
           fontSize: _fontSize,
-          uebertragStartText: minutesToSignedHHMM(_carryBaseMinutes),
+          uebertragStartText: minutesToSignedHHMM(startMinutes),
           sollText: minutesToHHMM(sollTotal),
           istText: minutesToHHMM(istTotal),
           correctionText: minutesToSignedHHMM(correctionMin),
-          saldoText: minutesToSignedHHMM(istTotal - sollTotal),
-          paidOvertimeText: '—',
+          saldoText: minutesToSignedHHMM(saldoMin),
+          paidOvertimeText: minutesToSignedHHMM(overtimeMin),
           uebertragNextText: minutesToSignedHHMM(nextCarryMin),
           restUrlaubText: '$startVacation',
           urlaubUebertragText: '$vacationCarry',

lib/utils/work_time.dart

@@ -26,6 +26,8 @@ int effectiveWorkedMinutes(
 
   if (worked <= 6 * 60) return worked;
 
+  final maxRequiredBreak = (worked - 6 * 60).clamp(0, requiredBreakOver6h);
+
   // Lücken summieren
   int gaps = 0;
   for (var i = 0; i < sorted.length - 1; i++) {
@@ -33,7 +35,12 @@ int effectiveWorkedMinutes(
     if (gap > 0) gaps += gap;
   }
 
-  final extraBreak = (requiredBreakOver6h - gaps).clamp(0, requiredBreakOver6h);
+  final extraBreak = (maxRequiredBreak - gaps).clamp(0, maxRequiredBreak);
   final effective = worked - extraBreak;
+//  int effective = worked - extraBreak;
+//  final diff = 30 - gaps;
+
+//  if (diff > 0) effective -= diff;
+
   return effective < 0 ? 0 : effective;
 }