- Add TRANSFER to TransactionType enum; excluded from cash flow queries
- Add TransferRule model: description patterns that auto-mark transactions
as transfers on upload (takes priority over budget rules)
- Bulk action "Mark as transfer" in transaction table
- Transfer Rules button/dialog on transactions page for managing patterns
- Transfers shown with ⇄ prefix and muted color in transaction list
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
