{
  "schema_version": "1",
  "advertisement_id": "cap-adv-agent-01HZXB9N8M7L6K5J4H3G2F1E0D",
  "did": "did:key:z6Mkagentexecutor123",
  "implementation": {
    "name": "Transit ETA Agent",
    "version": "0.1.0-draft"
  },
  "protocol_versions": ["1.0-draft"],
  "profiles": ["agent-executor"],
  "capabilities": {
    "auth": {
      "methods": ["ed25519-http-v1"]
    },
    "d2d": {
      "message_families": [],
      "request_modes": ["inline_preferred", "async"],
      "lifecycle_states": ["accepted", "running", "completed", "failed"],
      "supports_mailbox_relay": false,
      "supports_federated_execution": false
    },
    "interaction": {
      "operations": ["answer_now", "request_service", "delegate_task", "inspect_status"],
      "response_envelope_versions": ["1"],
      "response_kinds": ["status", "summary", "error"],
      "response_extensions": ["dina.provenance"],
      "supports_proactive_delivery": false
    },
    "trust": {
      "collections": [],
      "supports_publish": false,
      "supports_query": false
    },
    "storage": {
      "supports_logical_export_import": false,
      "encrypted_vault_profiles": []
    },
    "delivery": {
      "modes": []
    }
  },
  "limits": {
    "max_payload_bytes": 65536,
    "max_timeout_seconds": 15
  },
  "extensions": {
    "dina.example.executor": {
      "requires_home_node_authority": true
    }
  }
}