- Change dialog surfaces, drawers, and confirm dialogs from off-white (#F4F3EB) to white background
- Standardize border radius from 3xl/36px to 2xl across multiple components
- Update default setting view from 'account' to 'general' for better user experience
- Adjust input field heights and backgrounds for improved visual consistency
- Refactored types in `Knowledge/types.ts` to introduce new interfaces for document handling.
- Added `KnowledgeDocItem`, `KnowledgeDocsListResponse`, `KnowledgeDocsUploadInput`, `KnowledgeDocsUploadResponse`, and `KnowledgeDocsDeleteResponse` for better structure and clarity.
- Updated `KnowledgeDocsApiClient` interface to include methods for listing, uploading, and deleting documents.
fix: replace deprecated icons in AccountSettingsPanel and SettingMenu
- Replaced `CheckCircleIcon` with `CheckCircle` from `lucide-react` in `AccountSettingsPanel.tsx`.
- Updated `SettingMenu.tsx` to use `Settings` and `User` from `lucide-react` instead of custom icons.
test: add tests for knowledge docs routes and KnowledgePage
- Created `knowledge-docs-routes.test.ts` to test API routes for listing, uploading, and deleting knowledge documents.
- Added `knowledge-page.test.tsx` to test the rendering and functionality of the KnowledgePage component, including document loading and deletion.
