Creates a new OpenAI audio translation capability adapter.
Owning provider instance used for initialization checks and merged config access.
Initialized OpenAI SDK client.
Translates spoken audio into English text.
Unified translation request envelope.
Optional multimodal execution context. Unused directly in this adapter.
Optionalsignal: AbortSignalOptional cancellation signal.
Provider-normalized translated chat message artifacts.
OpenAI audio translation capability implementation.
Uses OpenAI's dedicated audio translations endpoint, which always returns English output.