dsh-composer-height: DeepSeek Harness Web Input Box Height Fine-Tuning Plugin

`dsh-composer-height` is a height-tuning plugin for the DeepSeek Harness web input box. It adjusts the default 52px (two-line) input height to 76px (three lines) via CSS injection without modifying the source code. Users can customize the height, and the input box continues to auto-expand when content exceeds three lines. Easy to install, it is suitable for developers who want to improve the input experience in web interfaces.