语音消息占位文本策略：按可访问性与整洁度权衡 media-audio 提示

• You send audio or TTS replies through one or more messaging channels.
• Team agrees on accessibility fallback requirements for media-only messages.

1. Sample current behavior on each channel with and without explicit text body.
2. Document whether placeholder text improves fallback readability when media fails or preview is hidden.
3. Define temporary policy: keep placeholder by default, suppress only where UX cost is high and fallback is acceptable.
4. Track upstream feature issue and plan config rollout tests once official suppression option lands.

• Feature request is not a shipped capability yet; do not assume config keys already exist（需验证）.
• Removing placeholders may reduce accessibility/context for assistive workflows.

This tip is aggregated from community/public sources and preserved with attribution.