feat: implement ideation feature for brainstorming and idea management

- Introduced a new IdeationService to manage brainstorming sessions, including idea creation, analysis, and conversion to features.
- Added RESTful API routes for ideation, including session management, idea CRUD operations, and suggestion generation.
- Created UI components for the ideation dashboard, prompt selection, and category grid to enhance user experience.
- Integrated keyboard shortcuts and navigation for the ideation feature, improving accessibility and workflow.
- Updated state management with Zustand to handle ideation-specific data and actions.
- Added necessary types and paths for ideation functionality, ensuring type safety and clarity in the codebase.

apps/ui/src/components/views/board-view/dialogs/index.ts

@@ -5,6 +5,5 @@ export { CompletedFeaturesModal } from './completed-features-modal';
 export { ArchiveAllVerifiedDialog } from './archive-all-verified-dialog';
 export { DeleteCompletedFeatureDialog } from './delete-completed-feature-dialog';
 export { EditFeatureDialog } from './edit-feature-dialog';
-export { FeatureSuggestionsDialog } from './feature-suggestions-dialog';
 export { FollowUpDialog } from './follow-up-dialog';
 export { PlanApprovalDialog } from './plan-approval-dialog';