- Remove insecure SSL verification bypass in attendance.py
- Add gunicorn as production WSGI server (Dockerfile + entrypoint)
- Fix silent data loss in reconciliation (log + surface unmatched members)
- Add required column validation in payment sheet parsing
- Add input validation on /qr route (account format, amount bounds, SPD injection)
- Centralize configuration into scripts/config.py
- Extract credentials path to env-configurable constant
- Hide unmatched transactions from reconcile-juniors page
- Fix test mocks to bypass cache layer (all 8 tests now pass reliably)
- Add pytest + pytest-cov dev dependencies
- Fix typo "Inffering" in infer_payments.py
- Update CLAUDE.md to reflect current project state
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add cache_utils.py with JSON caching for Google Sheets
- Authenticate and cache Drive/Sheets API services globally to reuse tokens
- Use CACHE_SHEET_MAP dict to resolve cache names securely to Sheet IDs
- Change app.py data fetching to skip downloads if modifiedTime matches cache
- Replace global socket timeout with httplib2 to fix Werkzeug timeouts
- Add VS Code attach debugpy configurations to launch.json and Makefile
