Edit a transaction (void-and-replace method)

Edit an existing transaction by creating a corrected version. This endpoint uses a void-and-replace strategy: 1. Voids the original POSTED transaction (status → REVERSED) 2. Creates a PENDING transaction with the original data 3. Creates a new POSTED transaction with the updated data **Key Features:** - Maintains full audit trail with transaction history - Preserves vendor and bank account relationships - Updates vector embeddings for AI search - Works seamlessly with QBO-synced transactions (synced via /v1/qbo/transactions) - Supports both camelCase and snake_case field names for backward compatibility **QBO Integration Compatibility:** This endpoint can be used to edit transactions that were: - Manually created via POST /v1/transactions - Synced from QuickBooks Online via GET /v1/qbo/transactions - Imported via CSV bulk import The void-and-replace method ensures QuickBooks compatibility and maintains proper accounting standards for transaction corrections. **Use Cases:** - Fix incorrect categorization (wrong debit/credit accounts) - Update transaction descriptions - Correct accounting errors while preserving history - Recategorize imported QBO transactions