[ADAPTER] Listening for server connection on ws://127.0.0.1:19974/sendspin
[ADAPTER] Connected to server: sendspin-server-cpp server
[ADAPTER] Metadata: (nil)
[ADAPTER] Metadata: Almost Silent
[ADAPTER] Transport receive error: POSIXErrorCode(rawValue: 89): Operation canceled
{
  "client_id" : "SendspinKit-client-id",
  "client_name" : "SendspinKit-client",
  "implementation" : "SendspinKit",
  "initiator_role" : "server",
  "metadata" : {
    "received" : {
      "album" : "Protocol Fixtures",
      "album_artist" : "Sendspin",
      "artist" : "Sendspin Conformance",
      "artwork_url" : "https:\/\/example.invalid\/almost-silent.jpg",
      "progress" : {
        "playback_speed" : 1000,
        "track_duration" : 180000,
        "track_progress" : 12000
      },
      "title" : "Almost Silent",
      "track" : 1,
      "year" : 2026
    },
    "update_count" : 2
  },
  "peer_hello" : {
    "payload" : {
      "name" : "sendspin-server-cpp server",
      "server_id" : "A5ug6DPdhbHLQfLlRlyW0_oK428g1CvhPyEK6VQVHlk"
    },
    "type" : "server\/hello"
  },
  "preferred_codec" : "none",
  "role" : "client",
  "scenario_id" : "server-initiated-metadata",
  "server" : {
    "name" : "sendspin-server-cpp server",
    "server_id" : "A5ug6DPdhbHLQfLlRlyW0_oK428g1CvhPyEK6VQVHlk"
  },
  "status" : "ok"
}
[ADAPTER] Summary written to artifacts/results/data/macos__server-initiated-metadata__sendspin-server-cpp__to__SendspinKit/client-summary.json