dsh-suggest: Clickable follow-up question plugin for DSH sessions.

`dsh-suggest` is a DeepSeek Harness (DSH) plugin maintained by `shaoeric` and licensed under the MIT license, aiming to solve the problem of manually inputting follow-up questions in Agent sessions. Its core functionality is to automatically generate three clickable, editable recommended follow-up questions based on the latest three user messages after each round of the Agent's answer. Users can directly click to submit and start a new round of interaction, or hover to edit before sending. The plugin prioritizes invoking the same provider's flash model (with thinking disabled), falling back to the original model upon failure. It features caching, skeleton placeholders, failure retry, and light/dark mode adaptation, and displays only the latest round of recommendations. This plugin offers two installation modes: the official plugin (persistent, suitable for long-term use, requiring loading via `file:`