0a708c092d
- Send welcome email to new users who sign up via Apple Sign In - Create notification preferences (all enabled) when new accounts are created - Add comprehensive integration tests for contractor sharing: - Personal contractors only visible to creator - Residence-tied contractors visible to all users with residence access - Update/delete access control for shared contractors 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>