feat(ui/quiz): implement real-time global chapter quiz generation, submit results to database, and display dynamic statistics on dashboard

src/NexusReader.Application/Abstractions/Services/IIdentityService.cs

@@ -11,4 +11,5 @@ public interface IIdentityService
     Task<Result> LogoutAsync();
     Task<Result<UserProfileDto>> GetProfileAsync();
     Task<Result> RefreshTokenAsync();
+    void ClearCache();
 }