{"source_record": 2, "action": "trimmed", "columns": ["name"]}
{"source_record": 3, "action": "duplicate_removed", "kept_source_record": 2}
{"source_record": 5, "action": "quarantined", "reason": "Expected 5 cells, found 2"}
{"source_record": 7, "action": "quarantined", "reason": "Expected 5 cells, found 6"}
{"source_record": 9, "action": "trimmed", "columns": ["total", "notes"]}