dsh-coupon-opt: DeepSeek Harness Coupon Decision Tool

dsh-coupon-opt is a DeepSeek Harness plugin maintained by uckkk, designed to provide local coupon calculation capabilities. Implemented in pure Node.js with no network dependencies, it supports precise calculations based on parameters and returns detailed results. Developers can install the plugin via the terminal and directly invoke its utility functions within a session to extend business logic. The plugin has specific dependency requirements, and reviewing its source code before use is recommended. It is suitable for running in restricted network environments, meeting lightweight computation needs without accessing external services.