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fix: replace Flux.concat with Flux.merge to fix unicast sink re-subsc… #15

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Merged
ailuckly merged 1 commit into from
Apr 13, 2026
Merged

fix: replace Flux.concat with Flux.merge to fix unicast sink re-subsc… #15

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7 changes: 4 additions & 3 deletions vocata-server/src/main/java/com/vocata/ai/pipeline/StreamingPipelineOrchestrator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -159,9 +159,10 @@ public Flux<PipelineEvent> processVoiceMessage(String conversationUuid,

return Flux.concat(
Flux.just(new PipelineEvent.StateChange(PipelineState.LISTENING)),
sttEvents.takeUntil(r -> ((PipelineEvent.SttResult) r).isFinal()),
Flux.just(new PipelineEvent.StateChange(PipelineState.PROCESSING)),
llmTtsEvents,
Flux.merge(
sttEvents.takeUntil(r -> ((PipelineEvent.SttResult) r).isFinal()),
llmTtsEvents
),
Flux.just(new PipelineEvent.Complete())
Comment on lines 160 to 166
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Copilot AI Apr 13, 2026

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This change removes the emission of PipelineEvent.StateChange(PipelineState.PROCESSING) in the voice pipeline. The class-level state machine comment and processTextMessage both indicate clients should receive a PROCESSING transition, and AiChatWebSocketHandler forwards StateChange events to the client as pipeline_state. Consider emitting a PROCESSING StateChange when the first final STT result is received (e.g., prepend it inside the llmTtsEvents branch so it doesn't fire immediately on subscription), so voice and text flows remain consistent.

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);
})
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