- Add separate Invoice and Receipt columns to Bills table for clearer document organization - Update upload-attachment.sh to accept column parameter (defaults to Invoice, use Receipt for payment confirmations) - Update all documentation examples and workflows - Add receipt upload step to payment workflows - Update validation checklist to verify both fields 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>