dsh-waimai-discount: Takeout Discount Assistant

The DeepSeek Harness plugin dsh-waimai-discount aggregates official coupon channels from major food delivery platforms such as Meituan and Ele.me. It intelligently matches the user-specified platform and coupon type, then directly outputs the in-app coupon claiming path. Built-in strategies include three-coupon stacking and new-customer priority, and all entry points are official guides without referral commissions. Users can query it via a command-line tool or integrate it into an agent. The data is stored in JSON files, supporting flexible editing and extension.