v0.168.0: Pin local sessions, working directory in the desktop app, and CLI and app fixes

New features

- Pin local sessions - You can now pin local sessions that aren't synced to the cloud (app)
- Working directory in desktop - The desktop app now brings your current working directory into the session (app)

Improvements

- Slash command search - Improved slash command search results
- Skills count - The header now shows an accurate skills count
- Wiki permalinks - Added repository permalink support in wikis

Bug fixes

- Session token usage - Session token usage is now counted only on successful turns
- Unread sessions - Unrelated unread sessions are preserved when a window regains focus (app)
- Notification hook - The idle_prompt Notification hook now fires on cancelled turns
- Reasoning effort - set-default now preserves your session reasoning effort
- Bash mode - Pressing backspace on empty input now exits bash mode
- Spec proposals - Empty spec proposal bodies are now rejected
- Ghostty Open In - Fixed launching Ghostty from the Open In deeplink (app)
- Window close warning - The app now only warns on window close when it will actually quit the app (app)
- MCP OAuth screen - Aligned the MCP OAuth callback screen