Auth integration

Components/Pages/Month.razor

@@ -1,7 +1,9 @@
 @page "/month"
 @rendermode InteractiveServer
+@attribute [Authorize]
 @inject TimetrackerService TrackerService
 @inject HolidayService HolidayService
+@inject AuthenticationStateProvider AuthStateProvider
 
 <PageTitle>@_deCulture.DateTimeFormat.GetMonthName(_month) @_year – Monatsübersicht – Timetracker</PageTitle>
 
@@ -150,6 +152,7 @@ else
     private static readonly System.Globalization.CultureInfo _deCulture = new("de-DE");
 
     private bool _loading = true;
+    private int _userId;
     private int _year = DateTime.Today.Year;
     private int _month = DateTime.Today.Month;
     private List<MonthDayVm> _days = [];
@@ -167,16 +170,20 @@ else
 
     protected override async Task OnInitializedAsync()
     {
-        _settings = await TrackerService.GetSettingsAsync();
+        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 LoadMonth();
         _loading = false;
     }
 
     private async Task LoadMonth()
     {
-        var workDays = await TrackerService.GetMonthAsync(_year, _month);
+        var workDays = await TrackerService.GetMonthAsync(_userId, _year, _month);
         var holidays = await HolidayService.GetHolidaysAsync(_year);
-        var vacations = await TrackerService.GetVacationDaysAsync(_year);
+        var vacations = await TrackerService.GetVacationDaysAsync(_userId, _year);
 
         var holidayMap = holidays.ToDictionary(h => h.Date, h => h.Name);
         var vacationSet = vacations.Select(v => v.Date).ToHashSet();