{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://app.vendorbenchmark.com/agent-protocol/schemas/envelope.schema.json",
  "title": "ANP v0.1 mandate exchange envelope",
  "type": "object",
  "additionalProperties": false,
  "required": ["party", "agent", "may_discuss", "may_disclose", "offer_authority"],
  "properties": {
    "party": { "type": "string", "minLength": 1, "maxLength": 160 },
    "agent": {
      "type": "object",
      "additionalProperties": false,
      "required": ["name", "declared_ai"],
      "properties": {
        "name": { "type": "string", "minLength": 1, "maxLength": 160 },
        "declared_ai": { "const": true }
      }
    },
    "may_discuss": {
      "type": "array",
      "minItems": 1,
      "maxItems": 20,
      "items": { "type": "string", "minLength": 1, "maxLength": 120 }
    },
    "may_disclose": {
      "type": "array",
      "maxItems": 20,
      "items": { "type": "string", "minLength": 1, "maxLength": 120 }
    },
    "will_not_disclose": {
      "type": "array",
      "maxItems": 20,
      "items": { "type": "string", "minLength": 1, "maxLength": 120 }
    },
    "offer_authority": { "enum": ["none", "propose_only", "bind_with_human_approval"] },
    "human_contact": { "type": "string", "maxLength": 320 }
  }
}