{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/MachengShen/system-evolution-public/schemas/self-iteration-ledger.schema.json",
  "title": "Self Iteration Ledger",
  "type": "object",
  "required": [
    "schema",
    "generated_at",
    "privacy_boundary",
    "cases"
  ],
  "properties": {
    "schema": {
      "const": "self-iteration-ledger/v0"
    },
    "generated_at": {
      "type": "string",
      "format": "date-time"
    },
    "privacy_boundary": {
      "type": "string",
      "minLength": 1
    },
    "cases": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/case"
      }
    }
  },
  "$defs": {
    "case": {
      "type": "object",
      "required": [
        "case_id",
        "status",
        "problem_class",
        "observer_decision",
        "repair",
        "human_role",
        "validation",
        "anti_signals",
        "private_boundary",
        "next_experiment"
      ],
      "properties": {
        "case_id": {
          "type": "string",
          "pattern": "^case-[0-9]{3}$"
        },
        "status": {
          "type": "string",
          "enum": [
            "validated",
            "bounded_repair_plan",
            "blocked",
            "review_pending",
            "superseded"
          ]
        },
        "problem_class": {
          "type": "string",
          "minLength": 1
        },
        "observer_decision": {
          "type": "string",
          "enum": [
            "pass",
            "prompt_adjust",
            "pause_or_confirm",
            "missing_receipt",
            "scope_creep",
            "repair_plan",
            "handled_with_receipt",
            "review_pending"
          ]
        },
        "repair": {
          "type": "string",
          "minLength": 1
        },
        "human_role": {
          "type": "string",
          "minLength": 1
        },
        "validation": {
          "type": "array",
          "minItems": 1,
          "items": {
            "type": "string",
            "minLength": 1
          }
        },
        "anti_signals": {
          "type": "array",
          "minItems": 1,
          "items": {
            "type": "string",
            "minLength": 1
          }
        },
        "private_boundary": {
          "type": "string",
          "minLength": 1
        },
        "next_experiment": {
          "type": "string",
          "minLength": 1
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}