dsh-panda-calendar: A Token-Free Calendar and Weather Plugin for DeepSeek Harness Web

The `dsh-panda-calendar` is a locally running plugin for DeepSeek Harness (DSH), designed to provide browser-based calendar, weather, timestamp query, and historical archive features with zero token consumption. It includes a built-in lunar calendar engine and statutory holiday data, supports offline use, and requires no API key. Users can click the “Panda Calendar” tab in the Web interface, send information to the AI via “Today's Summary,” or use the timestamp converter. Installation requires pnpm and restarting the process, and all data is stored locally.