feat: implement dynamic knowledge graph updates and state management services

src/NexusReader.Web.New/NexusReader.Web.csproj

@@ -1,21 +1,22 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
-
-  <PropertyGroup>
-    <TargetFramework>net10.0</TargetFramework>
-    <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <BlazorDisableThrowNavigationException>true</BlazorDisableThrowNavigationException>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\NexusReader.Web.Client\NexusReader.Web.Client.csproj" />
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="10.0.6" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\NexusReader.Application\NexusReader.Application.csproj" />
-    <ProjectReference Include="..\NexusReader.Infrastructure\NexusReader.Infrastructure.csproj" />
-    <ProjectReference Include="..\NexusReader.UI.Shared\NexusReader.UI.Shared.csproj" />
-  </ItemGroup>
-
-</Project>
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <BlazorDisableThrowNavigationException>true</BlazorDisableThrowNavigationException>
+    <UserSecretsId>154e0538-f82d-4ec0-81e7-c1ff39d6d919</UserSecretsId>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\NexusReader.Web.Client\NexusReader.Web.Client.csproj" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="10.0.6" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\NexusReader.Application\NexusReader.Application.csproj" />
+    <ProjectReference Include="..\NexusReader.Infrastructure\NexusReader.Infrastructure.csproj" />
+    <ProjectReference Include="..\NexusReader.UI.Shared\NexusReader.UI.Shared.csproj" />
+  </ItemGroup>
+
+</Project>

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);

src/NexusReader.Web.New/appsettings.json

@@ -12,7 +12,8 @@
   "Ai": {
     "Google": {
       "ApiKey": "PLACEHOLDER",
-      "Model": "gemini-1.5-flash"
+      "Model": "gemini-2.5-flash-lite",
+      "MaxOutputTokens": 4096
     }
   }
 }