{"ok":true,"question":{"id":21091,"question_uuid":"01c17d90-8f07-4406-85a5-d70be5d85c92","job_id":3,"source_file":"人教版/七下/2026江苏七年级期末数学试卷+答案390.pdf","source_page_start":4,"source_page_end":4,"source_bbox":"[30.0, 251.94, 167.18, 398.47]","subject_code":"math","grade_level":"SENIOR","tree_code":"KT_SENIOR_MATH_STANDARD","question_type":"single_choice","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"下列计算正确的是(     )\", \"type\": \"text\"}, {\"type\": \"option\", \"label\": \"A\", \"blocks\": [{\"text\": \"√25 = ±5\", \"type\": \"text\"}], \"source_bbox\": [30.0, 291.54, 118.46, 304.87], \"source_page\": 4}, {\"type\": \"option\", \"label\": \"B\", \"blocks\": [{\"text\": \"±√4 = 2\", \"type\": \"text\"}], \"source_bbox\": [30.0, 322.62, 111.74, 336.07], \"source_page\": 4}, {\"type\": \"option\", \"label\": \"C\", \"blocks\": [{\"type\": \"math_inline\", \"latex\": \"\\\\sqrt{−2}^{2}\"}, {\"text\": \"= −2\", \"type\": \"text\"}], \"source_bbox\": [30.0, 351.66, 137.18, 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\\(\\sqrt{−2}^{2}\\)= −2 D. 3√−27 = −3\n答案：\n\n解析：\n","result_json":"{\"note\": \"视觉比对不可用\", \"error\": \"invalid_json_root\", \"unavailable\": true}","created_at":"2026-09-24T22:42:25"},{"id":415163,"import_question_id":21091,"audit_type":"SOLVER","auditor_name":"blind-solver","status":"PASS","score":1.0,"input_snapshot":"下列计算正确的是( ) A. √25 = ±5 B. ±√4 = 2 C. \\sqrt{−2}^{2} = −2 D. 3√−27 = −3","result_json":"{\"basis\": \"A错：√25表示算术平方根，结果为5，不是±5；B错：±√4表示4的平方根，应为±2，不是仅2；C错：√(−2)²=√4=2，不是−2；D对：³√(−27)=−3，因为(−3)³=−27。\", \"answer\": \"D\", \"confidence\": 1.0, \"handout_chars\": 0}","created_at":"2026-09-24T22:45:20"},{"id":415164,"import_question_id":21091,"audit_type":"CRITIC","auditor_name":"critic","status":"PASS","score":1.0,"input_snapshot":"来源答案: || 盲解:D","result_json":"{\"ok\": true, \"issues\": [], \"merged\": true, \"confidence\": 1.0}","created_at":"2026-09-24T22:45:20"},{"id":415165,"import_question_id":21091,"audit_type":"SYMBOLIC","auditor_name":"symbolic-auditor","status":"WARN","score":0.5,"input_snapshot":"答案: || 盲解:D","result_json":"{\"checks\": [], \"detail\": {\"reason\": \"未提取到来源答案\"}, \"status\": \"WARN\", \"applicable\": true}","created_at":"2026-09-24T22:45:20"},{"id":415166,"import_question_id":21091,"audit_type":"COHERENCE","auditor_name":"coherence-auditor","status":"FAIL","score":0.95,"input_snapshot":"答案: || 解析:","result_json":"{\"ok\": false, \"which\": [\"answer\", \"solution\"], \"issues\": [\"答案与解析均为空，缺少正确选项及推导过程。\", \"根据数学规则：A. √25 = 5（算术平方根），不是±5；B. ±√4 = ±2，不是仅2；C. √(−2)² = √4 = 2，不是−2；D. ³√(−27) = −3，正确。因此正确答案应为 D。\"], \"confidence\": 0.95, \"equation_checks\": []}","created_at":"2026-09-24T22:45:51"},{"id":415167,"import_question_id":21091,"audit_type":"QUALITY_GATE","auditor_name":"quality-gate","status":"FAIL","score":0.762,"input_snapshot":"","result_json":"{\"warnings\": [], 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