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DSH diff-viewer plugin: PiUI-style visual diff surface (split/unified, change bars, real file line numbers, word-level marks, collapsed context, windowed rendering) replacing the stock DiffBlock for write/edit tool calls. Registers into the ui-tool keyed toolview slots.
Bundle
DSH Web GUI right sidebar: VS Code-style file explorer plus source control (git status, stage/unstage/discard, commit, diff, commit graph, sync fetch/pull/push, branch/remote management, git init, multi-repo switch, color-coded file status, file-type icons, image preview) with an editable full-file diff view (hunk stage/revert), a syntax-highlighted editor (15 languages), file operations (new/move/copy/delete), a collapsible icon rail, a multi-tab bottom terminal (ConPTY), AI-generated commit messages from a host-configured model, and save.