dsh-suggest-prompt: DSH Web's next prompt suggestion plugin

dsh-suggest-prompt is an MIT-licensed plugin for the DeepSeek Harness (DSH) web interface, designed to address the pain point where users need to re-enter prompts after the end of an agent turn. After each agent turn completes, the plugin generates the next suggested prompt through a bounded auxiliary LLM call. The generation process inherits the main request routing by default, sends the content of the last round of conversation, and disables thinking mode to optimize performance. In the web interface, suggestions are displayed as light-colored ghost placeholder text within the input box and are only visible when the draft is empty. By default, users can accept suggestions into the draft using the Tab key, or configure shortcuts such as Alt+Slash or Ctrl+Enter. The plugin features strict security and quality filtering mechanisms, including transcription desensitization and output net...