```json { "table_name": "neal_briefs", "table_type_tags": [ {"tag": "misc", "confidence": 0.95} ], "primary_type": "misc", "insufficient_evidence": false, "entity": null, "time_axis": null, "reasoning": "Single-row table with all columns Uniqueness 1.000. The natural entity would be dataset_id or batch_id, but with only one row no entity structure exists. The columns _ingestion_timestamp, _batch_id, _source_file, _source_system are provenance (ignored). The remaining columns (dataset_id, batch_id, bundle_hash, brief_json, model, generated_at) are all unique singleton values describing one generated artifact. No coordinate system — no repeating entity, no axis ordering multiple observations or events. This is a single-record output artifact, not a dimensional catalog or event stream: misc." } ```