Remove user data and dev files from repository

- Remove sample user data directories (app/data/10953097, app/data/69419819)
- Remove reset_database.py dev script
- Remove scripts/.venv virtual environment (should never be tracked)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: JavaDogWebDesign