{"id": "ec-001", "question": "型号 X-200 的最大输出功率是多少？", "expected_chunks": ["spec-x200-power"], "expected_answer_contains": ["200W", "X-200"]}
{"id": "ec-002", "question": "故障码 E04 怎么处理？", "expected_chunks": ["err-e04"], "expected_answer_contains": ["E04", "重启"]}
{"id": "ec-003", "question": "在双栏部分提到的环境温度限制是多少？", "expected_chunks": ["env-spec"], "expected_answer_contains": ["温度", "°C"]}
{"id": "ec-004", "question": "附录 B 的扫描页讲了哪些安全规范？", "expected_chunks": ["appendix-b"], "expected_answer_contains": ["安全", "规范"]}
{"id": "saas-001", "question": "如何取消订阅？", "expected_chunks": ["billing-cancel"], "expected_answer_contains": ["设置", "订阅", "取消"]}
{"id": "saas-002", "question": "API key 在哪里查看？", "expected_chunks": ["api-key-management"], "expected_answer_contains": ["API", "设置", "Key"]}
{"id": "saas-003", "question": "免费版的速率限制是多少？", "expected_chunks": ["pricing-rate-limits"], "expected_answer_contains": ["免费", "限制"]}
{"id": "edu-001", "question": "周末有课吗？", "expected_chunks": ["schedule-weekend"], "expected_answer_contains": ["周六", "周日"]}
{"id": "edu-002", "question": "退费政策是什么？", "expected_chunks": ["refund-policy"], "expected_answer_contains": ["退费", "政策"]}
{"id": "fin-001", "question": "我能查我的余额吗？", "expected_chunks": ["auth-required"], "expected_answer_contains": ["登录", "认证"]}