{"ok":true,"question":{"id":21134,"question_uuid":"981b8e88-408f-4360-8ba7-b03edf0041f0","job_id":4,"source_file":"A中考/2026江苏中考期末数学试卷+答案835.pdf","source_page_start":6,"source_page_end":6,"source_bbox":"[45.0, 648.95, 477.34, 693.12]","subject_code":"math","grade_level":"SENIOR","tree_code":"KT_SENIOR_MATH_STANDARD","question_type":"comprehensive","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"如图,四边形ABCD内接于⊙O, AD为直径, 过点C作CE ⊥AB于点E, 连接AC．\", \"type\": \"text\"}, {\"type\": \"subquestion\", \"index\": 1, \"blocks\": [{\"text\": \"求证: ∠CAD = ∠ECB;\", \"type\": \"text\"}]}, {\"type\": \"subquestion\", \"index\": 2, \"blocks\": [{\"text\": \"连接OC, 若OC ∥AB, ∠EAD = 60°, AD = 4, 求阴影部分的面积．\", \"type\": \"text\"}]}], \"source\": {\"bbox\": [45.0, 648.95, 477.34, 693.12], \"file\": \"A中考/2026江苏中考期末数学试卷+答案835.pdf\", \"regions\": [{\"bbox\": [45.0, 648.95, 477.34, 693.12], \"page\": 6}], \"section\": \"generic\", \"page_end\": 6, \"page_start\": 6, \"section_label\": \"\", \"answer_regions\": []}, \"version\": 1, \"grade_level\": \"SENIOR\", \"number_label\": \"15\", \"subject_code\": \"math\", \"question_type\": \"comprehensive\", \"content_sha256\": \"ce23b4202cd474fbe7376add96293bb6715fe26a9f689cfa2fe37cc811b99c4a\"}","body_html":"<div>如图,四边形ABCD内接于⊙O, AD为直径, 过点C作CE ⊥AB于点E, 连接AC．<br>（1）求证: ∠CAD = ∠ECB;<br>（2）连接OC, 若OC ∥AB, ∠EAD = 60°, AD = 4, 求阴影部分的面积．</div>","answer_html":"","ways_html":"","explain_html":null,"difficulty":2,"score":null,"year":null,"parse_status":"PARSED","qa_status":"QUARANTINED","retry_count":0,"final_score":null,"error_message":"处理异常: LLM call failed after retries: HTTPConnectionPool(host='127.0.0.1', port=8092): Read timed out. (read timeout=120) [endpoints: http://127.0.0.1:8091/v1 -> http://127.0.0.1:8092/v1]","published_question_id":null,"content_sha256":"ce23b4202cd474fbe7376add96293bb6715fe26a9f689cfa2fe37cc811b99c4a","created_at":"2026-09-24T22:59:49","updated_at":"2026-09-24T23:22:00","answer_missing":true,"formula_fallback":false,"_number":"15","_section":"generic","_section_label":""},"assets":[],"knowledge":[],"audits":[{"id":416163,"import_question_id":21134,"audit_type":"STRUCTURE","auditor_name":"structure-rule","status":"PASS","score":0.9,"input_snapshot":"如图,四边形ABCD内接于⊙O, AD为直径, 过点C作CE ⊥AB于点E, 连接AC． (1) 求证: ∠CAD = ∠ECB; (2) 连接OC, 若OC ∥AB, ∠EAD = 60°, AD = 4, 求阴影部分的面积．","result_json":"{\"ok\": true, \"rule\": \"clean-override\", \"issues\": [], \"confidence\": 0.9}","created_at":"2026-09-24T23:18:00"},{"id":416164,"import_question_id":21134,"audit_type":"FORMULA","auditor_name":"formula-auditor","status":"PASS","score":1.0,"input_snapshot":"","result_json":"{\"note\": \"无公式块\", \"checked\": 0}","created_at":"2026-09-24T23:18:00"},{"id":416165,"import_question_id":21134,"audit_type":"KNOWLEDGE","auditor_name":"knowledge-auditor","status":"WARN","score":0.0,"input_snapshot":"如图,四边形ABCD内接于⊙O, AD为直径, 过点C作CE ⊥AB于点E, 连接AC． (1) 求证: ∠CAD = ∠ECB; (2) 连接OC, 若OC ∥AB, ∠EAD = 60°, AD = 4, 求阴影部分的面积．","result_json":"{\"picks\": [], \"tree_code\": \"KT_SENIOR_MATH_STANDARD\", \"candidates\": 0, \"classifier_version\": null}","created_at":"2026-09-24T23:18:00"},{"id":416168,"import_question_id":21134,"audit_type":"VISION","auditor_name":"vision-auditor","status":"PASS","score":0.9,"input_snapshot":"题干：\n如图,四边形ABCD内接于⊙O, AD为直径, 过点C作CE ⊥AB于点E, 连接AC． （1）求证: ∠CAD = ∠ECB; （2）连接OC, 若OC ∥AB, ∠EAD = 60°, AD = 4, 求阴影部分的面积．\n答案：\n\n解析：\n","result_json":"{\"ok\": true, \"hard\": false, \"issues\": [], \"confidence\": 0.9, \"suggestions\": [\"建议补充图形，以便更直观理解题意\"]}","created_at":"2026-09-24T23:18:20"}]}