DSH-Reasoning-Effort-HDBZQ: Change the Model Selection Entry to a Model List with a Three-Level Reasoning Effort Slider

dsh-reasoning-effort-hdbzq is a frontend plugin for the DeepSeek Harness (DSH), designed to address the fragmentation in model selection and reasoning effort levels. By overriding the `conversation.input.model` slot, the plugin integrates unified controls directly into the input box, allowing users to simultaneously select a model and adjust among three reasoning effort levels. Core features include a model list grouped by Provider, support for mouse dragging, keyboard operation, and an elastic rebound slider for effort levels. The plugin reuses official services and does not implement model invocation on its own. It supports light/dark themes and bilingual Chinese-English interfaces, with the number of effort levels dynamically adjusting based on the model catalog. Installation requires the `dsh plugin` command, with DSH version >= 0.1.0-rc.6. When in use, users can choose...