- Add transfer-ownership endpoint to companies API - Add user search endpoint for autocomplete (/admin/users/search) - Update company detail endpoint to include owner info and vendors list - Update vendor endpoints to use company relationship for ownership - Update deps.py vendor access check to use company.owner_user_id 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>