{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.kxm.dev/handoff-manifest.schema.json",
  "title": "KXM structured handoff manifest v1",
  "type": "object",
  "required": [
    "schema",
    "handoffId",
    "taskId",
    "workflowRunId",
    "source",
    "target",
    "intent",
    "status",
    "baseCommit",
    "deliverables",
    "verificationEvidence",
    "createdAt"
  ],
  "properties": {
    "schema": {
      "const": "kxm.handoff-manifest.v1"
    },
    "handoffId": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128
    },
    "taskId": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128
    },
    "workflowRunId": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128
    },
    "reworkOf": {
      "type": ["string", "null"]
    },
    "source": {
      "type": "object",
      "required": ["role", "agentId", "harness", "stepId", "attemptId"],
      "properties": {
        "role": { "type": "string", "minLength": 1, "maxLength": 64 },
        "agentId": { "type": "string", "minLength": 1, "maxLength": 64 },
        "harness": { "type": "string", "minLength": 1, "maxLength": 64 },
        "model": { "type": "string", "maxLength": 128 },
        "stepId": { "type": "string", "minLength": 1, "maxLength": 64 },
        "attemptId": { "type": "string", "minLength": 1, "maxLength": 128 }
      },
      "additionalProperties": false
    },
    "target": {
      "type": "object",
      "required": ["role", "permission"],
      "properties": {
        "role": { "type": "string", "minLength": 1, "maxLength": 64 },
        "permission": {
          "enum": ["read-only", "edit", "admin"]
        }
      },
      "additionalProperties": false
    },
    "intent": {
      "enum": ["request_review", "dispatch_fix", "request_approval", "complete_workflow"]
    },
    "status": {
      "enum": ["pending", "accepted", "rejected", "superseded"]
    },
    "baseCommit": {
      "type": "string",
      "maxLength": 64
    },
    "candidateTreeHash": {
      "type": "string",
      "maxLength": 64
    },
    "deliverables": {
      "type": "object",
      "required": ["patches", "reports", "artifacts"],
      "properties": {
        "patches": {
          "type": "array",
          "items": { "type": "string" }
        },
        "reports": {
          "type": "array",
          "items": { "type": "string" }
        },
        "artifacts": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["name", "artifactRef"],
            "properties": {
              "name": { "type": "string" },
              "artifactRef": { "type": "string" }
            },
            "additionalProperties": false
          }
        }
      },
      "additionalProperties": false
    },
    "verificationEvidence": {
      "type": "object",
      "required": ["witnessExitCode", "witnessPassed", "criticVerdicts"],
      "properties": {
        "witnessExitCode": { "type": "integer" },
        "witnessPassed": { "type": "boolean" },
        "criticVerdicts": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["critic", "verdict"],
            "properties": {
              "critic": { "type": "string" },
              "verdict": { "enum": ["PASS", "FAIL", "WARN", "UNKNOWN"] },
              "summary": { "type": "string" }
            },
            "additionalProperties": false
          }
        }
      },
      "additionalProperties": false
    },
    "openQuestions": {
      "type": "array",
      "items": { "type": "string" }
    },
    "suggestedNextStep": {
      "type": "object",
      "properties": {
        "stepId": { "type": "string" },
        "action": { "type": "string" }
      },
      "additionalProperties": false
    },
    "createdAt": {
      "$ref": "common.schema.json#/$defs/timestamp"
    }
  },
  "additionalProperties": false
}