feat: integrate AI-driven selection panel with context-aware text summarization and quiz generation features.

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

@@ -6,5 +6,7 @@ namespace NexusReader.Application.Abstractions.Services;
 public interface IKnowledgeService
 {
     Task<Result<KnowledgePacket>> GetKnowledgeAsync(string text, CancellationToken cancellationToken = default);
+    Task<Result<KnowledgePacket>> GetGraphDataAsync(string text, CancellationToken cancellationToken = default);
+    Task<Result<KnowledgePacket>> GetSummaryAndQuizAsync(string text, CancellationToken cancellationToken = default);
     Task<Result> ClearCacheAsync(CancellationToken cancellationToken = default);
 }