{
  "id": "SG-NEG-002",
  "type": "WO",
  "text": "Negative fixture: references a nonexistent WO tool.",
  "category": "Negative Validation Check",
  "characteristic_form": "Should fail validator because expected_tools contains a non-canonical tool name.",
  "asset_id": "T-001",
  "expected_tools": [
    "wo.generate_work_order"
  ],
  "domain_tags": [
    "WO"
  ]
}