rotation 3

Seamless API-key rotation for DeepSeek Harness LLM providers when subscription limits are hit

Per-provider API key rotation for DeepSeek Harness: a key pool per provider, auto-created clone routes, and switching to the next key on quota/rate-limit errors. Includes a Settings section (Key Rotation) to edit the key pools, cooldown and switch codes.

DSH 壁纸轮换插件：定时轮换应用背景壁纸（交叉淡化动效），内置 SVG 壁纸集，毛玻璃/压暗/文字阴影/背景不透明度等可读性调节，设置页可配置。