- Tab bar now shows pane names inline with status icons instead of
generic tab names with counts, eliminating the separate pane list row
- chromeTop reduced from 4 to 3, gaining one extra row of content space
- Add-pane mode (Ctrl+N) lets users add panes to existing tabs from picker
- Picker tab bar updated to match inline pane name format
- Session formatters and launch actions updated for branch switching
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>