fix(audio): reject incompatible transform streams - #11565
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The transform WebSocket accepted any model and opened its frame-based RPC. Any-to-any models use a different stream contract, so liquid-audio failed with an unimplemented RPC after the handshake. Reject incompatible model use cases before loading the backend. Direct realtime-audio callers to the OpenAI Realtime API. Assisted-by: Codex:gpt-5
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Description
The audio-transform WebSocket accepted
realtime_audiomodels and opened the frame-basedAudioTransformStreamRPC.liquid-audioimplements the separate any-to-anyAudioToAudioStreamcontract, so the request failed after the handshake withNotImplementedError.This PR validates the model use case before loading the backend. It directs any-to-any callers to the OpenAI Realtime API and documents the two streaming contracts.
Closes #11564
Verification
go test -tags="debug auth" ./core/http/endpoints/localai -ginkgo.focus="audio transform stream model validation|audio transform sample_rate bounds"go vet -tags="debug auth" ./core/http/endpoints/localaigit diff --checkThe full unfiltered endpoint suite currently has 30 unrelated testcontainer setup failures at
core/services/testutil/testdb.go:33; 228 specs pass.Notes for Reviewers
The fix keeps the valid
realtime_audiocapability onliquid-audio. It does not attempt to adapt a turn-based any-to-any model to the frame-synchronous transform protocol.Signed commits