dsh-weekly-report: A Weekly Report Generation Plugin for DeepSeek Harness

The `dsh-weekly-report` plugin in DeepSeek Harness (DSH) is a lightweight plugin designed to address the cumbersome process of generating periodic weekly reports during model inference. Guided by the “everything is a plugin” philosophy, it provides a structured weekly report generation feature with a pure Node.js implementation and no network dependencies. Through the `weekly_report` tool, it allows users to easily generate structured reports without modifying core code. Users can install it via official commands. It depends on specific versions of DeepSeek-related libraries and is suitable for agent development workflows.