Runtime-agnostic Rust port of Cordis, the plugin framework at the core of DeepSeek Harness — scoped dependency injection, lifecycle-owned effects, events, structured logging. Zero dependencies.

DSH 桌宠（Rust 版），5 态鲸鱼 + 双 SSE 实时推送 + 透明置顶窗 + 系统托盘，三端支持 | DSH desktop pet (Rust edition): 5-state whale + dual SSE real-time push + transparent always-on-top window + tray, cross-platform