- Add completely unformatted CB column at rightmost position
- Update all styling loops to exclude CB column from formatting
- Fix day names row borders to exclude CB from styling
- Add CB6 formatting removal to ensure clean appearance
- Complete CA column border structure with top borders on CA24 and CA28
- Maintain clean separation between formatted (CA) and unformatted (CB) columns
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
cb1901af3f