- Implemented `conversation-store` for managing conversations and messages.
- Created `file-preview-store` to handle file preview state.
- Added `sidebar-store` for sidebar visibility management.
- Developed `theme-store` for theme persistence and management.
- Introduced `kb-selection-store` for managing active knowledge base selections with persistence.
chore: define API and chat types
- Added types for API responses, authentication, chat messages, conversations, and projects.
- Defined interfaces for various entities including users, sessions, and message ratings.
build: configure TypeScript and testing setup
- Set up `tsconfig.json` for TypeScript configuration.
- Created `vitest.config.ts` for testing configuration with Vitest.
- Added `vitest.setup.ts` for global test setup including mocks for Next.js router and media queries.
- Configured Vercel deployment settings in `vercel.json`.