feat(ui): add Projects Overview link and button to sidebar and dashboard

- Introduced a new Projects Overview link in the sidebar footer for easy navigation.
- Added a button for Projects Overview in the dashboard view, enhancing accessibility to project insights.
- Updated types to include project overview-related definitions, supporting the new features.

apps/server/src/routes/projects/index.ts

@@ -0,0 +1,27 @@
+/**
+ * Projects routes - HTTP API for multi-project overview and management
+ */
+
+import { Router } from 'express';
+import { FeatureLoader } from '../../services/feature-loader.js';
+import type { AutoModeService } from '../../services/auto-mode-service.js';
+import type { SettingsService } from '../../services/settings-service.js';
+import type { NotificationService } from '../../services/notification-service.js';
+import { createOverviewHandler } from './routes/overview.js';
+
+export function createProjectsRoutes(
+  featureLoader: FeatureLoader,
+  autoModeService: AutoModeService,
+  settingsService: SettingsService,
+  notificationService: NotificationService
+): Router {
+  const router = Router();
+
+  // GET /overview - Get aggregate status for all projects
+  router.get(
+    '/overview',
+    createOverviewHandler(featureLoader, autoModeService, settingsService, notificationService)
+  );
+
+  return router;
+}