Task-specific React apps for DeepSeek Harness with state carried into the next Agent turn

Model router for DeepSeek Harness: keep a pool of models and every step is routed to one of them with its reasoning effort set — a click-only composer panel, three authorization scopes (a manual pick only counts in the scope that owns it, and effort scope

A toolkit for low-level operations in DSH, designed to reduce token usage and task execution time / DSH 底层操作工具插件，旨在减少 Token 消耗与任务耗时