{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://buildchain.libkungfu.dev/schema/v4-partial-mutation-recovery-v1.schema.json",
  "title": "Buildchain v4 partial provider mutation recovery request",
  "description": "Closed production evidence contract for deterministic partial provider mutation recovery planning. Provider effects remain outside this pure planner and require the exact authorized plan.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema",
    "evaluatedAt",
    "sourceRoot",
    "policyRoot",
    "platformRoot",
    "qualificationRoot",
    "maxAttempts",
    "compensableBoundaryRoots",
    "stageResume",
    "activation"
  ],
  "properties": {
    "schema": {
      "const": "buildchain-v4-partial-mutation-recovery-request/v1"
    },
    "evaluatedAt": { "$ref": "#/$defs/clock" },
    "sourceRoot": { "$ref": "#/$defs/root" },
    "policyRoot": { "$ref": "#/$defs/root" },
    "platformRoot": { "$ref": "#/$defs/root" },
    "qualificationRoot": { "$ref": "#/$defs/root" },
    "maxAttempts": {
      "type": "integer",
      "minimum": 1,
      "maximum": 9007199254740991
    },
    "compensableBoundaryRoots": {
      "type": "array",
      "uniqueItems": true,
      "items": { "$ref": "#/$defs/root" }
    },
    "stageResume": { "$ref": "#/$defs/stageResume" },
    "activation": { "$ref": "#/$defs/activation" }
  },
  "$defs": {
    "root": {
      "type": "string",
      "pattern": "^sha256:[0-9a-f]{64}$"
    },
    "clock": {
      "type": "string",
      "pattern": "^(?!0000)\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
    },
    "token": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9]*(?:-[a-z0-9]+)*$"
    },
    "rootSet": {
      "type": "array",
      "minItems": 1,
      "uniqueItems": true,
      "items": { "$ref": "#/$defs/root" }
    },
    "stageDecision": {
      "type": "object",
      "additionalProperties": false,
      "required": ["stageKey", "decision", "reasonCode"],
      "properties": {
        "stageKey": { "$ref": "#/$defs/token" },
        "decision": { "enum": ["reuse", "rebuild", "reject"] },
        "reasonCode": { "$ref": "#/$defs/token" }
      }
    },
    "stageResume": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "schema",
        "planRoot",
        "sourceRoot",
        "policyRoot",
        "platformRoot",
        "qualificationRoots",
        "decisions"
      ],
      "properties": {
        "schema": {
          "const": "buildchain-v4-stage-capsule-resume-evidence/v1"
        },
        "planRoot": { "$ref": "#/$defs/root" },
        "sourceRoot": { "$ref": "#/$defs/root" },
        "policyRoot": { "$ref": "#/$defs/root" },
        "platformRoot": { "$ref": "#/$defs/root" },
        "qualificationRoots": { "$ref": "#/$defs/rootSet" },
        "decisions": {
          "type": "array",
          "minItems": 1,
          "items": { "$ref": "#/$defs/stageDecision" }
        }
      }
    },
    "activationStep": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "stepId",
        "operationRoot",
        "phase",
        "journalRoot",
        "journalStateRoot",
        "compensationBoundaryRoot",
        "attemptCount"
      ],
      "properties": {
        "stepId": { "$ref": "#/$defs/token" },
        "operationRoot": { "$ref": "#/$defs/root" },
        "phase": {
          "enum": [
            "planned",
            "intended",
            "attempting",
            "observed",
            "confirmable",
            "retryable",
            "confirmed",
            "rejected",
            "terminal"
          ]
        },
        "journalRoot": {
          "oneOf": [{ "$ref": "#/$defs/root" }, { "type": "null" }]
        },
        "journalStateRoot": {
          "oneOf": [{ "$ref": "#/$defs/root" }, { "type": "null" }]
        },
        "compensationBoundaryRoot": { "$ref": "#/$defs/root" },
        "attemptCount": {
          "type": "integer",
          "minimum": 0,
          "maximum": 9007199254740991
        }
      }
    },
    "activation": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "schema",
        "planRoot",
        "stateRoot",
        "qualificationRoot",
        "policyRoot",
        "steps"
      ],
      "properties": {
        "schema": {
          "const": "buildchain-v4-release-activation-recovery-evidence/v1"
        },
        "planRoot": { "$ref": "#/$defs/root" },
        "stateRoot": { "$ref": "#/$defs/root" },
        "qualificationRoot": { "$ref": "#/$defs/root" },
        "policyRoot": { "$ref": "#/$defs/root" },
        "steps": {
          "type": "array",
          "minItems": 1,
          "items": { "$ref": "#/$defs/activationStep" }
        }
      }
    }
  }
}