- ai/setup.py: Added threading import; OAuth block now detects background/headless
threads and skips run_local_server to prevent indefinite blocking. Logs a clear
warning and falls back to ADC for Vertex AI. Token file only written when creds
are not None.
- web/tasks.py: All sqlite3.connect() calls now use timeout=30, check_same_thread=False.
OperationalError on the initial status update is caught and logged via utils.log.
generate_book_task now touches initial_log immediately so the UI polling endpoint
always finds an existing file even if the worker crashes on the next line.
- ai_blueprint.md: Bumped to v2.9; Section 12.D sub-items 1-3 marked ✅; item 13
added to summary.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Mike Wichers
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