feat: integrate settings service for auto-load CLAUDE.md functionality

- Updated API routes to accept an optional settings service for loading the autoLoadClaudeMd setting.
- Introduced a new settings helper utility for retrieving project-specific settings.
- Enhanced feature generation and spec generation processes to utilize the autoLoadClaudeMd setting.
- Refactored relevant route handlers to support the new settings integration across various endpoints.

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

@@ -8,11 +8,19 @@ import { validatePathParams } from '../../middleware/validate-paths.js';
 import { createGenerateHandler } from './routes/generate.js';
 import { createStopHandler } from './routes/stop.js';
 import { createStatusHandler } from './routes/status.js';
+import type { SettingsService } from '../../services/settings-service.js';
 
-export function createSuggestionsRoutes(events: EventEmitter): Router {
+export function createSuggestionsRoutes(
+  events: EventEmitter,
+  settingsService?: SettingsService
+): Router {
   const router = Router();
 
-  router.post('/generate', validatePathParams('projectPath'), createGenerateHandler(events));
+  router.post(
+    '/generate',
+    validatePathParams('projectPath'),
+    createGenerateHandler(events, settingsService)
+  );
   router.post('/stop', createStopHandler());
   router.get('/status', createStatusHandler());