fix(P1): 修复预设配音没有真实声音 - 接入CosyVoice TTS适配器 + legacy引擎配音补齐 #559

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auto-approve-bot merged 1 commits from fix/p1-preset-voice-no-sound into develop 2026-07-19 07:28:56 +08:00

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CI Bot 3d0919a869 fix(P1): 修复预设配音没有真实声音 - 接入CosyVoice TTS适配器 + legacy引擎配音补齐
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根因:
1. TTS工厂只有mock provider,CosyVoice真实TTS服务根本没接入TtsService接口
2. 默认引擎是legacy,legacy路径完全没有TTS配音混音能力

修复:
- 新增 CosyVoiceTtsService 适配器,包装 CosyVoiceService 为 TtsService 接口
- TTS工厂注册 cosyvoice/aliyun/dashscope 三个别名
- 自动检测:配置了 CosyVoice API Key 则默认用 cosyvoice,否则用 mock
- legacy引擎渲染后加 TTS 配音后处理(和标题叠加同模式),失败降级不阻断
- 支持 replace/mix 两种叠加模式
- 18个单元测试覆盖适配器 + 工厂 + 配置解析
2026-07-19 07:22:25 +08:00