{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ListSessionsResponse",
  "title": "ListSessionsResponse",
  "type": "object",
  "description": "List of active SQL sessions across all cluster nodes.",
  "properties": {
    "sessions": {
      "type": "array",
      "description": "Array of active session objects.",
      "items": {
        "$ref": "#/components/schemas/Session"
      }
    },
    "errors": {
      "type": "array",
      "description": "Errors encountered while collecting session data from individual nodes. Sessions from healthy nodes are still returned.",
      "items": {
        "type": "object",
        "properties": {
          "node_id": {
            "type": "integer",
            "description": "Node ID that returned an error."
          },
          "message": {
            "type": "string",
            "description": "Error message from the node."
          }
        }
      }
    },
    "next": {
      "type": "integer",
      "description": "Pagination cursor for the next page of session results."
    }
  }
}