- Move USER_GUIDE, planning docs, and session logs to docs/
- Untrack FedexAPI.txt (contains live API credentials) and OnPart_inv.csv (large data file)
- Update .gitignore to cover FedexAPI.txt and *_inv.csv going forward
- Delete junk files: =1.23.0, Address.txt, stale screenshot
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>