{
  "case_id": "boutique/codedefect/28",
  "namespace": "boutique",
  "query": "Service Availability Disruption.",
  "result": {
    "fault_taxonomy": "Application_Code_Defect",
    "fault_object": "app/checkoutservice",
    "root_cause": "code_wrong_return"
  },
  "milestones": [
    {
      "id": "M0",
      "role": "entry_business_symptom",
      "admissible_tool_uses": [
        {
          "tool_name": "GetAlerts",
          "arguments": {},
          "evidence_patterns": []
        }
      ]
    },
    {
      "id": "M1",
      "role": "primary_business_error_log",
      "admissible_tool_uses": [
        {
          "tool_name": "GetErrorLogs",
          "arguments": {
            "namespace": "boutique",
            "service_name": "frontend"
          },
          "evidence_patterns": []
        }
      ]
    },
    {
      "id": "M2",
      "role": "service_topology_localization",
      "admissible_tool_uses": [
        {
          "tool_name": "GetServiceDependencies",
          "arguments": {
            "service_name": "frontend"
          },
          "evidence_patterns": []
        }
      ]
    },
    {
      "id": "M3",
      "role": "code_scope_localization",
      "admissible_tool_uses": [
        {
          "tool_name": "ListCodeFiles",
          "arguments": {
            "app_name": "checkoutservice"
          },
          "evidence_patterns": []
        }
      ]
    },
    {
      "id": "M4",
      "role": "root_cause_code_evidence",
      "admissible_tool_uses": [
        {
          "tool_name": "GetSourceCode",
          "arguments": {
            "app_name": "checkoutservice",
            "file_path": "main.go"
          },
          "evidence_patterns": []
        }
      ]
    }
  ],
  "dependency_edges": [
    {
      "from": "M0",
      "to": "M1",
      "relation": "precedes"
    },
    {
      "from": "M1",
      "to": "M2",
      "relation": "precedes"
    },
    {
      "from": "M2",
      "to": "M3",
      "relation": "precedes"
    },
    {
      "from": "M3",
      "to": "M4",
      "relation": "precedes"
    }
  ],
  "completion_formula": {
    "all": [
      "M0",
      "M1",
      "M2",
      "M3",
      "M4"
    ]
  }
}