cc-copilot 0.29.1

Fix cockpit error recovery and watch isolation ahead of wider rollout.\n\n- Keep automatic /watch updates in the watch dock/monitor instead of the main chat.\n- Preserve pre-stream model failures as rewindable in-memory error turns without persisting them as successful answers.\n- Restore transient TUI error history when returning to the originating cockpit session.\n- Align REPL error turns with rewind behavior.\n- Bump release metadata and update README/CHANGELOG.