Bulk Migrate And Delete Columns

POST 
/api/pipeline/columns/bulk-migrate-and-delete

Migrate leads from multiple source columns and delete them atomically.

Args: request: Contains list of migration mappings web_context: Authenticated user context (injected by FastAPI) column_service: Column service instance (injected by FastAPI)

Returns: Migration results with detailed status for each operation

Raises: HTTPException: 500 if migration fails

Request​