Function start

src/services/api/openAICompatWsV2Native.ts:211–221

(controller)

    const stream = new ReadableStream<Uint8Array>({
      start(controller) {
        abortHandler = () => {
          void cancelAndClose()
        }
        if (signal?.aborted) {
          abortHandler()
          safeCloseController(controller)
          return
        }
        signal?.addEventListener('abort', abortHandler, { once: true })
      },
      async pull(controller) {
        if (streamClosed) return
        try {