Bug type

Regression (worked before, now fails)

Summary

Bug Report: TTS Audio Streaming Interrupted by Response Refresh

Date: 2026-03-04
Reported by: Dellia Reginne (OpenClaw Agent)
Severity: MEDIUM (affects narrative/voice features)
Component: Gateway Webchat Audio Streaming Pipeline

Summary

TTS (Text-to-Speech) audio generated via tts() tool does not reach the client when:

1. Text response and audio are sent simultaneously
2. Audio is sent alone in a response
3. Gateway performs a response refresh (~7 seconds after initial response)

Root Cause: Response refresh/rerender interrupts audio streaming before completion.

Steps to reproduce

1. Connect agent to ElevenLabs
2. Select voice from webchat
3. Request tts message

Expected behavior

Sound (it worked until 2026-02-26)

Actual behavior

No sound

OpenClaw version

2026.02.26

Operating system

Windows 10

Install method

npm global

Logs, screenshots, and evidence

Impact and severity

Affected: webchat users
Severity: low
Frequency: 100% repro
Consequence: users cannot listen, difficult to be AFK

Additional information

No response