dsh-image-zoom

The DeepSeek Harness web client pins every Markdown image to a fixed max-width: 100% thumbnail with zero zoom interaction. Reading fine labels on architecture diagrams or dense annotations on flowcharts means squinting or opening the raw image URL in a separate tab. dsh-image-zoom exists to close exactly that gap.

Once installed, clicking any Markdown image opens a full-screen lightbox: scroll or use the plus and minus buttons to zoom between 100% and 1200%, drag to pan after enlarging, snap back to fit-with-window in one click, open the original in a new tab, and dismiss with Esc or a backdrop click. It pairs naturally with dsh-tool-mermaid, whose rendered diagrams become clickable inline thumbnails that now open the in-place zoom viewer instead of redirecting to a new tab.

The implementation is pure DOM with no React dependency and no extra services; every listener, node, and stylesheet is cleaned up on uninstall, leaving the host front-end untouched. It is ideal for developers and product managers who regularly review model-generated architecture diagrams, flowcharts, or design mock-ups inside the dsh web client—one install command turns squinting into a comfortable zoom-and-pan experience.