Features
- feat: update sidebar and knowledge (#3804)
Improvements
- improvement(sidebar): collapsed sidebar UX, quick-create, hover consistency, and UI polish (#3807)
Bug Fixes
- fix(knowledge): connector spinner race condition + connectors column (#3812)
- fix(flyout): align inline rename with non-rename styling (#3811)
- fix(knowledge): fix search input flicker on clear and plan display name fallback (#3810)
- fix(knowledge): show spinner on connector chip while syncing (#3808)