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timetracker.Client/Components/Pages/UrlaubsMaximizer.razor

@@ -226,6 +226,27 @@ else
 @code {
     private static readonly System.Globalization.CultureInfo _deCulture = new("de-DE");
 
+    [PersistentState(AllowUpdates = true)]
+    public AppSettings? PersistentSettings { get; set; }
+
+    [PersistentState(AllowUpdates = true)]
+    public Dictionary<DateOnly, string>? PersistentHolidays { get; set; }
+
+    [PersistentState(AllowUpdates = true)]
+    public List<DateOnly>? PersistentVacationList { get; set; }
+
+    [PersistentState(AllowUpdates = true)]
+    public int? PersistentRemainingDays { get; set; }
+
+    [PersistentState(AllowUpdates = true)]
+    public List<Suggestion>? PersistentSuggestions { get; set; }
+
+    [PersistentState(AllowUpdates = true)]
+    public string? PersistentSubLabel { get; set; }
+
+    [PersistentState(AllowUpdates = true)]
+    public int? PersistentYear { get; set; }
+
     private bool _loading = true;
     private int _year = DateTime.Today.Year;
     private AppSettings _settings = new();
@@ -238,13 +259,37 @@ else
 
     protected override async Task OnInitializedAsync()
     {
+        if (PersistentSettings != null && PersistentSuggestions != null)
+        {
+            _settings = PersistentSettings;
+            _holidays = PersistentHolidays ?? [];
+            _vacationSet = (PersistentVacationList ?? []).ToHashSet();
+            _remainingDays = PersistentRemainingDays ?? 0;
+            _suggestions = PersistentSuggestions;
+            _subLabel = PersistentSubLabel ?? "";
+            _year = PersistentYear ?? DateTime.Today.Year;
+            _loading = false;
+        }
+
         var authState = await AuthStateProvider.GetAuthenticationStateAsync();
         var claim = authState.User.FindFirst(ClaimTypes.NameIdentifier);
         if (claim == null) return;
         _userId = int.Parse(claim.Value);
-        _settings = await TrackerService.GetSettingsAsync(_userId);
-        await LoadYear();
-        _loading = false;
+
+        if (PersistentSettings == null || PersistentSuggestions == null)
+        {
+            _settings = await TrackerService.GetSettingsAsync(_userId);
+            await LoadYear();
+
+            PersistentSettings = _settings;
+            PersistentHolidays = _holidays;
+            PersistentVacationList = _vacationSet.ToList();
+            PersistentRemainingDays = _remainingDays;
+            PersistentSuggestions = _suggestions;
+            PersistentSubLabel = _subLabel;
+            PersistentYear = _year;
+            _loading = false;
+        }
     }
 
     private async Task LoadYear()
@@ -283,7 +328,7 @@ else
     // ── Algorithmus ──────────────────────────────────────────────────────
     private enum DayKind { Free, WorkAvailable, WorkTaken }
 
-    private sealed record Suggestion(
+    public sealed record Suggestion(
         DateOnly SpanStart,
         DateOnly SpanEnd,
         List<DateOnly> VacationDaysToTake,