feat: implement dynamic knowledge graph updates and state management services

src/NexusReader.Web.New/Program.cs

@@ -24,12 +24,21 @@ builder.Services.AddScoped<IThemeService, ThemeService>();
 builder.Services.AddScoped<IQuizStateService, QuizStateService>();
 builder.Services.AddScoped<IFocusModeService, FocusModeService>();
 builder.Services.AddScoped<IReaderNavigationService, ReaderNavigationService>();
+builder.Services.AddScoped<IKnowledgeGraphService, KnowledgeGraphService>();
+builder.Services.AddScoped<KnowledgeCoordinator>();
 
 builder.Services.AddApplication();
 builder.Services.AddInfrastructure(builder.Configuration);
 
 var app = builder.Build();
 
+// Ensure Database is initialized
+using (var scope = app.Services.CreateScope())
+{
+    var dbContext = scope.ServiceProvider.GetRequiredService<NexusReader.Infrastructure.Persistence.AppDbContext>();
+    dbContext.Database.EnsureCreated();
+}
+
 // Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())
 {
@@ -60,9 +69,29 @@ app.MapGet("/api/epub/{index}", async (int index, IEpubService epubService) =>
     return Results.BadRequest(errorMsg);
 });
 
+app.MapPost("/api/knowledge", async (KnowledgeRequest request, IKnowledgeService knowledgeService) =>
+{
+    var result = await knowledgeService.GetKnowledgeAsync(request.Text);
+    if (result.IsSuccess) return Results.Ok(result.Value);
+    
+    var errorMsg = result.Errors.FirstOrDefault()?.Message ?? "Unknown server error";
+    return Results.BadRequest(errorMsg);
+});
+
+app.MapDelete("/api/knowledge", async (IKnowledgeService knowledgeService) =>
+{
+    var result = await knowledgeService.ClearCacheAsync();
+    if (result.IsSuccess) return Results.Ok();
+    
+    var errorMsg = result.Errors.FirstOrDefault()?.Message ?? "Unknown server error";
+    return Results.BadRequest(errorMsg);
+});
+
 app.MapRazorComponents<App>()
     .AddInteractiveServerRenderMode()
     .AddInteractiveWebAssemblyRenderMode()
-    .AddAdditionalAssemblies(typeof(NexusReader.UI.Shared._Imports).Assembly);
+    .AddAdditionalAssemblies(typeof(NexusReader.UI.Shared.Services.IKnowledgeGraphService).Assembly);
 
 app.Run();
+
+public record KnowledgeRequest(string Text);