{
  "lexicon": 1,
  "id": "sh.weaver.collab.session",
  "defs": {
    "main": {
      "type": "record",
      "description": "Active real-time collaboration session. Published when joining a collaborative editing session, deleted on disconnect.",
      "key": "tid",
      "record": {
        "type": "object",
        "required": ["resource", "nodeId", "createdAt"],
        "properties": {
          "resource": {
            "type": "ref",
            "ref": "com.atproto.repo.strongRef",
            "description": "The resource being collaboratively edited."
          },
          "nodeId": {
            "type": "string",
            "description": "iroh NodeId in z-base32 encoding for P2P connection."
          },
          "relayUrl": {
            "type": "string",
            "format": "uri",
            "description": "DERP relay URL if using relay-only mode (browser clients)."
          },
          "createdAt": {
            "type": "string",
            "format": "datetime"
          },
          "expiresAt": {
            "type": "string",
            "format": "datetime",
            "description": "Session TTL. Should be refreshed periodically while active."
          }
        }
      }
    }
  }
}