{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cis2042.github.io/ux3-product-design-harness/schemas/uncertainty-review.schema.json",
  "title": "Product Design Harness Uncertainty Review",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "evidence_tier",
    "confidence_level",
    "risk_class",
    "reversibility",
    "main_uncertainty",
    "false_confidence_risk",
    "stale_evidence_ids",
    "proof_bar",
    "verdict_impact",
    "human_owned_decision"
  ],
  "properties": {
    "evidence_tier": {
      "type": "string",
      "enum": ["t0", "t1", "t2", "t3", "t4"]
    },
    "confidence_level": {
      "type": "string",
      "enum": ["very_low", "low", "medium", "high", "very_high"]
    },
    "risk_class": {
      "type": "string",
      "enum": ["r1", "r2", "r3", "r4"]
    },
    "reversibility": {
      "type": "string",
      "enum": ["low", "medium", "high"]
    },
    "main_uncertainty": { "type": "string", "minLength": 1 },
    "false_confidence_risk": { "type": "string" },
    "stale_evidence_ids": {
      "type": "array",
      "items": { "type": "string" }
    },
    "proof_bar": { "type": "string", "minLength": 1 },
    "verdict_impact": {
      "type": "string",
      "enum": ["continue", "verify", "stop_reframe"]
    },
    "human_owned_decision": {
      "type": "string",
      "enum": ["taste", "risk", "strategy", "ethics", "meaning", "none"]
    }
  }
}