Connect Deepseek-v4-flash of WeChat Gateway to DeepSeek Harness with dsh-llm-wechat

`dsh-llm-wechat` is maintained by sulfide2085. It enables DeepSeek Harness to use WeChat Coding Plan's Deepseek-v4-flash (chatapi.weixin.qq.com) as the official model: it reuses DeepSeekAdapter, performs streaming translation of `think` tags, and fixes the null override issue in tool calling. This project is categorized under Notifications & Integrations, and has 6 GitHub stars. Installation: `dsh plugin add github:sulfide2085/dsh-llm-wechat`. Before using, please set the `WECHAT_API_KEY` environment variable, and note the approximately 60-second gateway timeout and license requirements.