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fix(gradium): surface TTS server errors, close codes and transport errors (1/2) - #7672

Merged

longcw merged 7 commits into

livekit:mainfrom

hhugo-gradium:fix/gradium-tts

Oct 22, 2026

Merged

fix(gradium): surface TTS server errors, close codes and transport errors (1/2)#7672
longcw merged 7 commits into
livekit:mainfrom
hhugo-gradium:fix/gradium-tts

Commits on Oct 20, 2026
- fix(gradium): raise on TTS error frames and unexpected socket close
  
  hhugo-gradium
  and
  claude
  committed
  33a720a
- fix(gradium): surface websocket transport errors on TTS streams
  
  hhugo-gradium
  and
  claude
  committed
  c4aab95
- test(gradium): cover TTS error frames, close codes and transport errors
  
  hhugo-gradium
  and
  claude
  committed
  a6cebe6
- fix(gradium): keep retrying on a 1008 close, it covers the concurrency cap
  
  hhugo-gradium
  and
  claude
  committed
  a7f6d2e
- fix(gradium): do not retry a one-shot synthesis once audio went out
  
  hhugo-gradium
  and
  claude
  committed
  e47b44a
- fix(gradium): put the server's close reason in the TTS error message
  
  hhugo-gradium
  and
  claude
  committed
  1bd94e1
Commits on Oct 21, 2026
- fix(gradium): let the base class retry a one-shot synthesis after partial audio
  
  hhugo-gradium
  and
  claude
  committed
  6f4a342