dsh-detergent: Detergent Dosage Calculation

`dsh-detergent` is a pure Node.js plugin for DeepSeek Harness maintained by developer uckkk. It provides core functionality to return laundry cleaning management plans based on parameters, primarily used for calculating detergent dosage. Its lack of network dependencies makes it suitable for integration in local environments. Before use, ensure the environment meets the specific dependency requirements; after installation, related tools can be invoked within a session.