dsh-page-preview: Directly preview DSH-generated pages in the browser

# Introduction When developing frontend pages with DSH (DeepSeek Harness), verifying the results typically involves a fixed workflow: prompting the model to generate HTML, copying it to a local file, and then opening it in a browser. Every round of modifications requires repeating the copy and switch steps. dsh-page-preview integrates this step into DSH's web interface: the HTML code block output by the model can be rendered in-place as an interactive preview, while local projects or online URLs can also be viewed in real-time within a floating window. The following introduces its positioning, features, installation steps, and typical usage. # What is this dsh-page-preview is a DSH web plugin. The current version is 1.0.0, maintained by watericetangcw, and adopts...