Turn any DSH selection into a reviewable quote — comment / add to chat / side chat, source highlights and jump-back, a searchable review list, side threads, revisions, and per-quote reply badges.

DSH web plugin for the composer: shell-style prompt history (Up/Down with prefix search, Ctrl+R reverse search), Codex-style history completion and next-prompt prediction ghosted in the empty input (Tab or → to accept), a selection toolbar (copy / quote /