- Replace eval() with json.loads() in database.py (RCE fix)
- Use json.dumps() for safe storage of list fields
- Add API key authentication middleware
- Remove hardcoded credentials, require env vars
- Disable Flask debug mode
- Restrict FTP homedir to /app/data with read-only perms
- Fix threading: Lock -> RLock, add WAL mode
- Fix API calls to use correct DatabaseManager methods
- Fix main.py FTP method names
- Fix click.click.echo typo
- Implement scheduler _run_all_jobs
- Add __main__.py for module execution
- Pin dependency versions
- Use .env vars in docker-compose, read-only DB for FTP
- Implement AI text chunking with overlap windows
- Add schema validation for AI responses
- Skip unsupported file types instead of fallback
