feat: add confirmation dialogs for deleting exercises and routines

src/ASTRAIN.Client/Pages/Exercises.razor

@@ -4,6 +4,7 @@
 @inject ApiClient Api
 @inject NavigationManager Navigation
 @inject UserContext UserContext
+@inject IJSRuntime JS
 
 <PageTitle>Exercises</PageTitle>
 
@@ -154,6 +155,9 @@
 
     private async Task DeleteExerciseAsync(int exerciseId)
     {
+        var confirmed = await JS.InvokeAsync<bool>("confirm", "Are you sure you want to delete this exercise?");
+        if (!confirmed) return;
+
         await Api.DeleteExerciseAsync(UserContext.UserId, exerciseId);
         ExerciseList.RemoveAll(e => e.Id == exerciseId);
     }

src/ASTRAIN.Client/Pages/Routines.razor

@@ -4,6 +4,7 @@
 @inject ApiClient Api
 @inject NavigationManager Navigation
 @inject UserContext UserContext
+@inject IJSRuntime JS
 
 <PageTitle>Routines</PageTitle>
 
@@ -255,6 +256,9 @@
 
     private async Task DeleteRoutineAsync(int routineId)
     {
+        var confirmed = await JS.InvokeAsync<bool>("confirm", "Are you sure you want to delete this routine?");
+        if (!confirmed) return;
+
         await Api.DeleteRoutineAsync(UserContext.UserId, routineId);
         RoutineList.RemoveAll(r => r.Id == routineId);
     }
@@ -288,8 +292,11 @@
         return ExerciseList.FirstOrDefault(e => e.Id == exerciseId)?.Name ?? "Exercise";
     }
 
-    private void AbortRun()
+    private async Task AbortRun()
     {
+        var confirmed = await JS.InvokeAsync<bool>("confirm", "Are you sure you want to abort this routine run?");
+        if (!confirmed) return;
+
         ActiveRun = null;
         RunEntries = new List<RoutineRunEntryDto>();
     }