{"database": "rubrics", "table": "rubric_calibration_events", "rows": [[32, "deepseek-v4-pro", 262, 261, "A", 1, 13723, "2026-05-26 02:35:18", null, null, "clarity_of_reasoning", "obviously", 1, "Response A makes a clear claim and supports it with reasoning and evidence, while Response B only announces the topic without taking a position."]], "columns": ["id", "teacher_id", "gradation_id_a", "gradation_id_b", "teacher_choice", "correct", "response_time_ms", "created_at", "confidence", "perceived_difficulty", "influential_feature", "margin", "rubric_version", "reasoning"], "primary_keys": ["id"], "primary_key_values": ["32"], "units": {}, "query_ms": 0.45287003740668297}