chore: initial commit of TaskTracker project

Existing ASP.NET API with vanilla JS SPA, WindowWatcher, Chrome extension, and MCP server.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

WindowWatcher/Program.cs

@@ -0,0 +1,32 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using WindowWatcher;
+
+var hostCts = new CancellationTokenSource();
+
+var builder = Host.CreateApplicationBuilder(args);
+
+builder.Services.Configure<WindowWatcherOptions>(
+    builder.Configuration.GetSection(WindowWatcherOptions.SectionName));
+
+builder.Services.AddHttpClient("TaskTrackerApi", (sp, client) =>
+{
+    var config = sp.GetRequiredService<Microsoft.Extensions.Options.IOptions<WindowWatcherOptions>>().Value;
+    client.BaseAddress = new Uri(config.ApiBaseUrl);
+});
+
+builder.Services.AddHostedService<Worker>();
+
+var host = builder.Build();
+
+// Run the host in a background thread
+var hostTask = Task.Run(() => host.RunAsync(hostCts.Token));
+
+// Run WinForms tray icon on the main thread
+Application.EnableVisualStyles();
+Application.SetCompatibleTextRenderingDefault(false);
+Application.Run(new TrayApplicationContext(hostCts));
+
+// Wait for host to finish
+await hostTask;