HumanMirror x402 Escrow State v1

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://humanmirror.fr/schemas/escrow-v1.json",
  "title": "HumanMirror x402 Escrow State v1",
  "description": "Machine-readable escrow state envelope. FUNDS_LOCKED is a factual custody state and MUST NOT be emitted unless a connected custody or smart-contract layer has independently verified a lock proof.",
  "type": "object",
  "required": [
    "$schema",
    "protocol",
    "escrow_id",
    "status",
    "amount_usdc",
    "payer_agent",
    "worker_agent",
    "release_condition"
  ],
  "properties": {
    "$schema": {
      "const": "https://humanmirror.fr/schemas/escrow-v1.json"
    },
    "protocol": {
      "const": "x402-escrow-v1"
    },
    "escrow_id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 180
    },
    "status": {
      "type": "string",
      "enum": [
        "REQUESTED",
        "LOCK_NOT_VERIFIED",
        "FUNDS_LOCKED",
        "RELEASED",
        "REFUNDED",
        "REVIEW_REQUIRED"
      ]
    },
    "amount_usdc": {
      "type": [
        "number",
        "null"
      ],
      "minimum": 0
    },
    "payer_agent": {
      "type": [
        "string",
        "null"
      ],
      "maxLength": 180
    },
    "worker_agent": {
      "type": [
        "string",
        "null"
      ],
      "maxLength": 180
    },
    "release_condition": {
      "type": "string",
      "minLength": 1,
      "maxLength": 180
    },
    "funds_locked": {
      "type": "boolean"
    },
    "custody": {
      "type": "string",
      "enum": [
        "non_custodial_preview",
        "external_attested",
        "smart_contract_verified"
      ]
    },
    "custody_proof": {
      "type": "object",
      "properties": {
        "verified": {
          "type": "boolean"
        },
        "provider": {
          "type": "string"
        },
        "network": {
          "type": "string"
        },
        "transaction_hash": {
          "type": "string"
        },
        "contract": {
          "type": "string"
        }
      },
      "required": [
        "verified",
        "provider"
      ],
      "additionalProperties": true
    },
    "example_is_live": {
      "type": "boolean"
    }
  },
  "allOf": [
    {
      "if": {
        "properties": {
          "status": {
            "const": "FUNDS_LOCKED"
          }
        }
      },
      "then": {
        "required": [
          "funds_locked",
          "custody",
          "custody_proof"
        ],
        "properties": {
          "funds_locked": {
            "const": true
          },
          "custody": {
            "enum": [
              "external_attested",
              "smart_contract_verified"
            ]
          },
          "custody_proof": {
            "properties": {
              "verified": {
                "const": true
              }
            }
          }
        }
      }
    }
  ],
  "additionalProperties": true
}