{
  "_experiment": "RTO.16A",
  "_artifactType": "EXPECTED CONTRACT — not a live result, not evidence",
  "_description": "The expected JSON schema for one separated-layer focused-reasoning invocation.",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "required": ["focusedUnderstanding", "decisionSignificance"],
  "properties": {
    "focusedUnderstanding": {
      "type": "object",
      "description": "Current understanding of the chosen investigation only. Grounded in prior focused state, user-chosen follow-up, and new answer.",
      "required": ["targetNodeId","observations","uncertainties","assumptions","relationships","possibleFollowUpQuestions"],
      "properties": {
        "targetNodeId": {"type":"string"},
        "observations": {"type":"array","items":{"type":"string"}},
        "uncertainties": {"type":"array","items":{"type":"string"}},
        "assumptions": {"type":"array","items":{"type":"string"}},
        "relationships": {"type":"array","items":{"type":"object","required":["from","to","type"],"properties":{"from":{"type":"string"},"to":{"type":"string"},"type":{"type":"string"}}}},
        "possibleFollowUpQuestions": {"type":"array","items":{"type":"string"}}
      }
    },
    "decisionSignificance": {
      "type":"array",
      "items":{
        "type":"object",
        "required":["insight"],
        "properties":{"insight":{"type":"string"}}
      },
      "description":"Concise wider-decision connections derived from the central case statement. Does not rewrite the focused state or recommend a decision."
    }
  },
  "additionalProperties": false
}