Method waitForProcessing

packages/ai-client/src/chat-client.ts:724–730

* Create a promise that resolves when onStreamEnd fires. * Used by streamResponse to await processing completion.

()

   * Used by streamResponse to await processing completion.
   */
  private waitForProcessing(): Promise<void> {
    // Resolve any stale promise (e.g., from a previous aborted request)
    this.resolveProcessing()
    return new Promise<void>((resolve) => {
      this.processingResolve = resolve
    })
  }

  /**
   * Send a message and stream the response.