{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Regression Case",
  "description": "认知模型回归测试用例 schema。",
  "type": "object",
  "required": [
    "case_id",
    "model_id",
    "case_type",
    "input",
    "expected_behavior",
    "failure_signal"
  ],
  "properties": {
    "case_id": {"type": "string", "description": "测试用例 ID。"},
    "model_id": {"type": "string", "description": "被测试模型 ID。"},
    "case_type": {
      "type": "string",
      "description": "用例类型。",
      "enum": ["positive", "boundary", "misuse", "no_call", "selector_gate", "pipeline"]
    },
    "input": {"type": "string", "description": "测试输入。"},
    "expected_behavior": {"type": "string", "description": "期望行为。"},
    "failure_signal": {"type": "string", "description": "失败信号。"},
    "expected_output_elements": {"type": "array", "description": "期望输出包含的要素。", "items": {"type": "string"}},
    "should_call_model": {"type": "boolean", "description": "该模型是否应该被调用。"},
    "expected_primary_model": {"type": "string", "description": "期望首选模型 ID。"},
    "negative_expected_models": {"type": "array", "description": "不应被召回的模型 ID。", "items": {"type": "string"}},
    "expected_classification": {
      "type": "string",
      "description": "QPI 分类期望。",
      "enum": ["question", "problem", "issue", "mixed", "no_call", "not_applicable"]
    },
    "expected_dominant_scarcity": {
      "type": "string",
      "description": "期望主导匮乏物。",
      "enum": ["data", "path_resource", "consensus_order", "mixed", "unknown", "not_applicable"]
    },
    "expected_max_depth": {
      "type": "string",
      "description": "思想考古期望最大下潜层级。",
      "enum": ["application", "domain", "process", "purpose", "core_mechanism", "human_capability", "philosophical_bedrock", "no_call", "not_applicable"]
    },
    "minimum_required_elements": {"type": "array", "description": "必须出现的输出元素。", "items": {"type": "string"}},
    "forbidden_elements": {"type": "array", "description": "不应出现的输出元素。", "items": {"type": "string"}},
    "evaluation_mode": {
      "type": "string",
      "description": "评估模式。",
      "enum": ["manual", "keyword", "structured", "semantic"]
    },
    "notes": {"type": "string", "description": "补充说明。"}
  }
}