Case
aiosendspin -> sendspin-go
Start the server first, then the client. The client advertises a listener and PCM as its only supported audio format, the server connects in, streams audio derived from almost_silent.flac, disconnects, and the matrix compares canonical PCM hashes.
Server
aiosendspin
Client
sendspin-go
Status
Failed
Server summary status is 'error'
Inspection
Summaries, logs, and builds
Matrix result
RAW{
"case_dir": "artifacts/results/data/macos__server-initiated-pcm__aiosendspin__to__sendspin-go",
"client_exit_code": 1,
"client_impl": "sendspin-go",
"reason": "Server summary status is 'error'",
"scenario_id": "server-initiated-pcm",
"server_exit_code": 1,
"server_impl": "aiosendspin",
"status": "failed"
}Server summary (JSON)
RAW{
"implementation": "aiosendspin",
"reason": "Timed out waiting for client 'sendspin-go-client'",
"role": "server",
"scenario_id": "server-initiated-pcm",
"status": "error"
}Server log
RAWINFO:aiosendspin.server.server:Starting Sendspin server on port 18946 INFO:aiosendspin.server.server:Sendspin server started successfully on 127.0.0.1:18946 WARNING:aiosendspin.server.server:No IP addresses available for mDNS advertising. Clients may not be able to discover this server. Consider specifying addresses manually via advertise_addresses.
Client summary (JSON)
RAW{
"client_id": "sendspin-go-client-id",
"client_name": "sendspin-go-client",
"implementation": "sendspin-go",
"initiator_role": "server",
"peer_hello": null,
"preferred_codec": "pcm",
"reason": "handshake failed: handshake failed: failed to read server/hello: websocket: close 1000 (normal)",
"role": "client",
"scenario_id": "server-initiated-pcm",
"server": null,
"status": "error"
}Client log
RAW2026/09/05 06:50:35.003064 Connection closed
{
"client_id": "sendspin-go-client-id",
"client_name": "sendspin-go-client",
"implementation": "sendspin-go",
"initiator_role": "server",
"peer_hello": null,
"preferred_codec": "pcm",
"reason": "handshake failed: handshake failed: failed to read server/hello: websocket: close 1000 (normal)",
"role": "client",
"scenario_id": "server-initiated-pcm",
"server": null,
"status": "error"
}
Server build log · python-adapters · built · 0.05s
RAWListing 'src'... Listing 'src/conformance'... Listing 'src/conformance/adapters'... Compiling 'src/conformance/adapters/__init__.py'... Compiling 'src/conformance/adapters/_aiosendspin_pairing.py'... Compiling 'src/conformance/adapters/_aiosendspin_protocol_evidence.py'... Compiling 'src/conformance/adapters/aiosendspin_client.py'... Compiling 'src/conformance/adapters/aiosendspin_server.py'... Compiling 'src/conformance/adapters/placeholder.py'... Compiling 'src/conformance/adapters/sendspin_jvm_client.py'... Compiling 'src/conformance/cli.py'... Compiling 'src/conformance/merge.py'... Compiling 'src/conformance/registry.py'... Listing 'src/sendspin_conformance.egg-info'... Listing 'scripts'... Compiling 'scripts/detect_regressions.py'... Compiling 'scripts/merge_results.py'... Compiling 'scripts/run_all.py'... Compiling 'scripts/setup_repositories.py'... Compiling 'scripts/setup_workspace.py'...
Client build log · sendspin-go-client · built · 1.91s
RAWNo build detail was recorded.