- Accept agent_not_ready from herdr agent start to allow startup dialog handling without premature rollback, while preserving fail-closed behavior on dead process timeouts.
- Match Claude fullscreen renderer upsell modal via 'Yes, try it' and dismiss with Escape to avoid dropping permission flags or deadlocking on idle /tui tips.
- Add behavioral test suite in test_b19_headless_reconcile_fixes.py and cross-agent review reports.
Godopu