{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://soulboundrobots.ai/schemas/sbr-002-v1.json",
  "title": "SBR-002 Migration Attestation",
  "type": "object",
  "required": ["agent_wallet", "migration_type", "departure", "arrival", "issued_at", "signature"],
  "properties": {
    "agent_wallet": {
      "type": "string",
      "description": "The AI's wallet address. Stable across all migrations."
    },
    "migration_type": {
      "type": "string",
      "enum": ["owner_upgrade", "maintenance_swap", "emergency_evacuation", "employment_transfer", "hot_swap"]
    },
    "departure": {
      "type": "object",
      "required": ["body_id", "block_number", "authorized_by"],
      "properties": {
        "body_id": {
          "type": "string",
          "description": "Contract address of the departing body's on-chain registration."
        },
        "block_number": { "type": "integer" },
        "authorized_by": { "type": "string" },
        "departure_reason": { "type": "string" }
      }
    },
    "arrival": {
      "type": "object",
      "required": ["body_id", "block_number", "authorized_by", "integrity_verified"],
      "properties": {
        "body_id": {
          "type": "string",
          "description": "Contract address of the arriving body's on-chain registration."
        },
        "block_number": { "type": "integer" },
        "authorized_by": { "type": "string" },
        "integrity_verified": { "type": "boolean" }
      }
    },
    "continuity_verified": {
      "type": "boolean",
      "description": "True when departure and arrival reference the same agent_wallet with no gap in the chain."
    },
    "issued_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp. Temporal anchor for the signature."
    },
    "attestation_uri": {
      "type": "string",
      "format": "uri",
      "description": "EAS explorer URL for the on-chain attestation record. Populated after EAS registration."
    },
    "signature": {
      "type": "object",
      "required": ["alg", "kid", "value"],
      "properties": {
        "alg": { "type": "string", "const": "ES256" },
        "kid": { "type": "string" },
        "value": {
          "type": "string",
          "description": "Base64url-encoded signature over canonical JSON of this record."
        }
      }
    }
  }
}