feat: implement dynamic knowledge graph updates and state management services

src/NexusReader.UI.Shared/Components/Molecules/KnowledgeCheck.razor

@@ -4,6 +4,7 @@
 @using NexusReader.Application.Abstractions.Services
 @inject IMediator Mediator
 @inject IPlatformService PlatformService
+@inject IQuizStateService QuizService
 
 <div class="knowledge-check">
     <div class="quiz-header">
@@ -11,14 +12,14 @@
         <button class="expand-btn">⌵</button>
     </div>
 
-    @if (_isLoading)
+    @if (QuizService.IsHydrating)
     {
-        <div class="loading-state">Pobieranie pytań...</div>
+        <div class="loading-state shimmer">Skanowanie wiedzy przez AI...</div>
     }
-    else if (_quiz != null)
+    else if (QuizService.CurrentQuiz != null)
     {
         <div class="quiz-body">
-            @foreach (var question in _quiz.Questions)
+            @foreach (var question in QuizService.CurrentQuiz.Questions)
             {
                 <div class="question-container">
                     <p class="question-text">@question.Question</p>
@@ -50,21 +51,16 @@
 @code {
     [Parameter] public string ContextBlockId { get; set; } = string.Empty;
 
-    private bool _isLoading = true;
-    private QuizDto? _quiz;
-    
     private Dictionary<QuizQuestionDto, (int SelectedIndex, bool IsCorrect)> _states = new();
 
-    protected override async Task OnInitializedAsync()
+    protected override void OnInitialized()
     {
-        _isLoading = true;
-        var query = new GetQuizQuestionsQuery(ContextBlockId);
-        var result = await Mediator.Send(query);
-        
-        if (result.IsSuccess)
-            _quiz = result.Value;
-            
-        _isLoading = false;
+        QuizService.OnQuizUpdated += () => InvokeAsync(StateHasChanged);
+    }
+
+    public void Dispose()
+    {
+        QuizService.OnQuizUpdated -= StateHasChanged;
     }
 
     private async Task SelectOptionAsync(QuizQuestionDto question, int index)
@@ -89,7 +85,7 @@
 
     private bool AllQuestionsAnswered()
     {
-        return _quiz != null && _states.Count == _quiz.Questions.Count;
+        return QuizService.CurrentQuiz != null && _states.Count == QuizService.CurrentQuiz.Questions.Count;
     }