07:21:40 info: Sendspin.SDK.Client.SendspinHostService[0] Starting Sendspin host service
07:21:40 info: Sendspin.SDK.Connection.SendspinListener[0] WebSocket server listening on port 19971
07:21:40 info: Sendspin.SDK.Connection.SendspinListener[0] Sendspin listener started on ws://0.0.0.0:19971 (path: /sendspin)
07:21:40 info: Sendspin.SDK.Client.SendspinHostService[0] mDNS advertising disabled by options
07:21:40 info: Sendspin.SDK.Client.SendspinHostService[0] Sendspin host service started - waiting for server connections
07:21:40 info: Sendspin.SDK.Connection.SendspinListener[0] WebSocket connection opened from 127.0.0.1
07:21:40 info: Sendspin.SDK.Client.SendspinHostService[0] New server connection: 7f910755
07:21:40 info: Sendspin.SDK.Client.SendspinClientService[0] Server hello received (encrypted): utq0NygiTS_OztxWV-XewEoa7vcDfdV7wf_7WeAJmDs (sendspin-server-cpp server)
07:21:41 info: Sendspin.SDK.Client.SendspinClientService[0] Sending client/hello (encrypted): {"type":"client/hello","payload":{"name":"sendspin-dotnet-client","supported_pair_methods":{"pairing_psk":{}},"unpaired_access":{"enabled":true},"supported_roles":["metadata@v1"],"device_info":{"product_name":"Conformance Dotnet Client","manufacturer":"Sendspin Conformance","software_version":"0.1.0"}}}
07:21:41 info: Sendspin.SDK.Client.SendspinClientService[0] Server activate: activities [playback], roles [metadata@v1]
07:21:41 info: Sendspin.SDK.Client.SendspinHostService[0] Arbitration: no existing connection. New=utq0NygiTS_OztxWV-XewEoa7vcDfdV7wf_7WeAJmDs, Existing=(none)
07:21:41 info: Sendspin.SDK.Client.SendspinHostService[0] Last played server updated: utq0NygiTS_OztxWV-XewEoa7vcDfdV7wf_7WeAJmDs
07:21:41 info: Sendspin.SDK.Client.SendspinHostService[0] Server connected: utq0NygiTS_OztxWV-XewEoa7vcDfdV7wf_7WeAJmDs (sendspin-server-cpp server)
07:21:41 info: Sendspin.SDK.Client.SendspinClientService[0] Sending initial client/state: {"type":"client/state","payload":{"available":true}}
07:21:41 info: Sendspin.SDK.Client.SendspinClientService[0] group/update [sendspin-dotnet-client]: Group name changed '(none)' -> 'sendspin-server-cpp server'
07:21:41 info: Sendspin.SDK.Connection.IncomingConnection[0] Server closed connection (EndpointUnavailable)
07:21:41 info: Sendspin.SDK.Client.SendspinHostService[0] Server disconnected: utq0NygiTS_OztxWV-XewEoa7vcDfdV7wf_7WeAJmDs
07:21:41 info: Sendspin.SDK.Client.SendspinHostService[0] Stopping Sendspin host service
07:21:41 info: Sendspin.SDK.Connection.SendspinListener[0] Stopping Sendspin listener
07:21:41 info: Sendspin.SDK.Connection.SendspinListener[0] Stopping WebSocket server
07:21:41 info: Sendspin.SDK.Client.SendspinHostService[0] Sendspin host service stopped
07:21:41 info: Sendspin.SDK.Client.SendspinHostService[0] Stopping Sendspin host service
07:21:41 info: Sendspin.SDK.Client.SendspinHostService[0] Sendspin host service stopped
{
  "status": "ok",
  "reason": null,
  "implementation": "sendspin-dotnet",
  "role": "client",
  "scenario_id": "server-initiated-metadata",
  "initiator_role": "server",
  "preferred_codec": "none",
  "client_name": "sendspin-dotnet-client",
  "client_id": "roTK51XQ09av8B0sTn-vyxqDLd1qdMM_9hM7GaoHOhc",
  "server": {
    "server_id": "utq0NygiTS_OztxWV-XewEoa7vcDfdV7wf_7WeAJmDs",
    "server_name": "sendspin-server-cpp server",
    "connection_reason": "playback"
  },
  "peer_hello": null,
  "metadata": {
    "update_count": 2,
    "received": {
      "title": "Almost Silent",
      "artist": "Sendspin Conformance",
      "album_artist": "Sendspin",
      "album": "Protocol Fixtures",
      "artwork_url": "https://example.invalid/almost-silent.jpg",
      "year": 2026,
      "track": 1,
      "progress": {
        "track_progress": 12000,
        "track_duration": 180000,
        "playback_speed": 1000
      }
    }
  }
}