- Chat: added user-message display controls for plain-text rendering and sticky headers.
- Chat: model picker now supports collapsible provider groups and remembers expanded state between sessions.
### Improvements
- Chat/UI: overhauled the context panel with reusable tabs and embedded session chat (_beta_).
- Git: refined Git sidebar tab behavior and spacing, plus bulk-revert with confirmations for easier cleanup.
- Settings: reorganized chat display settings into a more compact two-column layout.
### Fixes
- Chat: improved code block presentation with cleaner action alignment, restored horizontal scrolling, and polished themed highlighting across chat messages and tool output (thanks to @nelsonPires5).
- Diff: added quick open-in-editor actions from diff views that jump to the first changed line.
- Git: fixed commit staging edge cases by filtering stale deleted paths before staging.
- Git/Worktrees: restored branch rename/edit controls in draft sessions when working in a worktree directory.
- Mobile/UI: fixed session-title overflow in compact headers (thanks to @iamhenry).
## VS Code
### New
- Chat: added user-message display options for plain-text rendering and sticky headers, with preferences persisted in settings.
### Improvements
- Chat: model picker provider groups are now collapsible, with expanded/collapsed state remembered.
### Fixes
- Chat: improved code block readability with cleaner header actions, restored horizontal scrolling, and themed highlighting in markdown and tool output (thanks to @nelsonPires5).