- Add token hint to token_mismatch errors for debugging auth issues
- Fix device auth token always clearing on connect failure (not just fallback)
- Add debug logging in server-chat.ts to trace emitChatDelta flow
- Add debug logging in UI to trace handleChatEvent and applySessionDefaults
- Bump version to 2026.1.27-beta.3-patched
This helps diagnose why webchat responses appear in TUI but not webchat UI.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
