- Add NewSessionDialog.test.tsx covering §9 graceful degradation:
empty models -> free-text input; non-empty models -> dropdown; plus a
createSession body-keys assertion
- Normalize model entries to {value,label} so object-shaped models
({provider,id}) render correctly in the dropdown (was assuming strings)
- NavSessions: invalidate the ["sessions"] query after a successful
resumeSession so the list/status refreshes immediately
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>