feat: enhance ideation routes with event handling and new suggestion feature

- Updated the ideation routes to include an EventEmitter for better event management.
- Added a new endpoint to handle adding suggestions to the board, ensuring consistent category mapping.
- Modified existing routes to emit events for idea creation, update, and deletion, improving frontend notifications.
- Refactored the convert and create idea handlers to utilize the new event system.
- Removed static guided prompts data in favor of dynamic fetching from the backend API.

apps/ui/src/hooks/index.ts

@@ -1,6 +1,7 @@
 export { useAutoMode } from './use-auto-mode';
 export { useBoardBackgroundSettings } from './use-board-background-settings';
 export { useElectronAgent } from './use-electron-agent';
+export { useGuidedPrompts } from './use-guided-prompts';
 export { useKeyboardShortcuts } from './use-keyboard-shortcuts';
 export { useMessageQueue } from './use-message-queue';
 export { useOSDetection, type OperatingSystem, type OSDetectionResult } from './use-os-detection';