调用线上视频翻译服务并返回预览链接
- Expanded support for input parameters: added source/target language selection, subtitle display, and bilingual subtitle options. - Target language is now limited to Chinese and English; validation checks updated accordingly. - New support for specifying source language, with validation for supported languages (en/zh/ko/ja/fr/ru/es/de). - Added detailed rules for subtitle handling, including support for show and bilingual options. - Minor documentation updates and removal of the sample skill-card.md file.