- Add scripts/import_csv.py for direct SQLite database import
- Handle date conflicts with warnings (existing data preserved)
- Support multiple time slots per entry (semicolon-separated)
- Validate day_type, journey_profile_id, and motor_vehicle_id
- Update README.md with usage instructions
- tableau-de-bord-pro.service : service Gunicorn pour www-data
- README : section production avec systemctl edit --full
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>