Text-to-speech conversion using GLM-TTS service via the `uvx zai-tts` command for generating audio from text. Use when (1) User requests audio/voice output with the "tts" trigger or keyword. (2) Content needs to be spoken rather than read (multitasking, accessibility, podcast, driving, cooking). (3) Using pre-cloned voices for speech.

通过 uvx zai-tts 命令调用 GLM-TTS 服务将文本转换为语音，用于从文本生成音频。适用场景：(1) 用户使用 "tts" 触发词或关键词请求语音输出；(2) 内容需要朗读而非阅读（如多任务处理、无障碍访问、播客、驾驶或烹饪时）；(3) 使用预克隆的语音进行播报。