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Git worktree Session Targets with isolated task sessions, Ready for Review, reversible Local Preview, human-confirmed delivery, environment retention and recovery, and same-session iteration.

Mermaid diagram renderer for the Web UI conversation: renders mermaid code blocks into interactive cards (zoom, fit-width, fullscreen viewer, preview/code toggle) with official UI primitives, and keeps the original code block with an inline error banner when rendering fails.

Deep-collaboration writing agent for DSH: per-user writing-style learning from edit pairs, clarify→outline→section-writing→red-team→reader-gallery flow, project-to-report synthesis (lab report / product intro / survey / README), 41 MCP tools, and web selection-improve UI with in-app file preview.

Warm light and dark theme for DSH Web with responsive layout, bilingual settings, safe Markdown preview, per-block copy controls, and no telemetry.

DSH Web skin manager for mainstream DSH skin packages: import local paths or GitHub collections, scan installed skins from the web profile, preview/use/disable/refresh/delete, with host-side persistence.

Floating workspace file-tree browser for the Web GUI with line-numbered syntax highlighting and Markdown preview.

Conversation Canvas tab: live-preview workspace HTML artifacts and export PNG/JPG/SVG locally (`npx dsh-canvas-preview`).

Line-range selection: browse workspace files, preview code with line numbers, visually select a line range, and write a `@path:start-end` reference into the composer; the agent receives the exact selected lines on send.

PBR 3D model preview for game art: GLB/GLTF with textures, IBL environment lighting, orbit controls, and a material channel inspector (baseColor/normal/roughness/metallic/AO/emissive/wireframe); scalar channels shown as grayscale per PBR spec, via the pbr3d fence and pbr_render tool.

VS Code-style file manager: browse the conversation workspace in a sidebar tree and edit files in the center column with Monaco, with theme import/export and Markdown preview.

Tick-rail conversation navigator: one tick per message you sent, a lit peak that follows the mouse with an even falloff, hover previews, click or keyboard to jump.

채팅 왼쪽 가장자리의 턴 마크 스트립: 사용자 메시지마다 막대 하나, 클릭으로 해당 메시지로 이동, 호버로 미리보기, 활성 막대는 흰색으로 표시

사이드 웹 미리보기 패널: 로컬 정적 호스팅, Markdown/코드/이미지 미리보기, 비정적 프로젝트(Cargo/npm/Go/Python) 원클릭 실행과 실시간 로그, 웹 요소 표시 및 주석, 링크 클릭 시 사이드 패널로 전환

Parses cron expressions into human-readable text and previews upcoming run times.

A-share and US stock trading toolkit for DSH agents: realtime quotes, OHLCV klines, ADX regime signals and simple backtest previews via EastMoney. Read-only, never places orders.

MsgRail（消息轨道） —— DeepSeek Harness 的窄消息轨道插件：在对话左侧，为每条你发送的消息显示一根细横线。悬停看预览、点击即跳转，更早消息自动加载；全量历史、实时更新、中英双语。 MsgRail is a narrow message rail for DeepSeek Harness: one thin bar on the left of the chat for each message you sent. Hover to preview, click to jump — older messages load automatically. Full history, live, bilingual.

File-diff visualization between checkpoint time nodes for DeepSeek Harness: a read-only timeline + per-file line diff over the dsh-checkpoint-rewind checkpoints storage domain, with preview-first rollback (restore workspace files from any time node, singl

General file previewer for DeepSeek Harness: after an agent turn produces files, the produced-files row expands vertically and one click opens a right-side panel that renders markdown (official MarkdownText), syntax-highlighted code, csv/tsv tables, text,

Claude-Code-style artifacts for dsh: an `artifact` tool that writes self-contained HTML, a bundled authoring skill, a sidebar nav button, and an in-app artifact browser with sandboxed HTML preview

Codex-style artifact preview for DeepSeek Harness (DSH): produced-files row in chat with inline image thumbnails, and a resizable split-screen side preview panel rendering Markdown / source code / CSV / JSON / images / HTML, plus localhost port preview.

Publish an HTML document as a shareable link that opens in one tap and previews as a card in chat apps; publish, update, and export to PNG/PDF/Word.

Headless-browser verification tools so the agent opens the page it just built, reads the rendered DOM and computed styles, checks the console, and screenshots the result; ships a frontend-verify skill.

Preview conversation file links in the web UI (images / text / Markdown / highlighted code / git diff) — click a link to open a preview modal instead of the desktop opener; loopback-fenced routes with weak ETag/304 caching and DOMPurify sanitization.