- Added tags VARCHAR(300) column to Run model
- Added startup ALTER TABLE migration in app.py
- New POST /run/<id>/set_tags route saves comma-separated tags
- Tag badges + collapsible edit form in run_details.html header area
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- web/db.py: Add last_heartbeat column to Run model
- core/utils.py: Add set_heartbeat_callback() and send_heartbeat()
- web/tasks.py: Add _robust_update_run_status() with 5-retry exponential backoff;
add db_heartbeat_callback(); remove all bare except:pass on DB status updates;
set start_time + last_heartbeat when marking run as 'running'
- web/app.py: Add last_heartbeat column migration; add _stale_job_watcher()
background thread (checks every 5 min, 15-min heartbeat threshold, 2-hr start_time threshold)
- cli/engine.py: Add phase-level logging banners and try/except wrappers in
process_book(); add utils.send_heartbeat() after each chapter save;
add start/finish logging in run_generation()
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>