DSH web plugin: Office file previewers (.docx/.xlsx/.pptx) for the better-sidebar editor. Registers the docx/xlsx/pptx file viewers through ctx.betterSidebar.registerFileViewer, keeping the heavy Office render libraries (docx-preview / Univer / SheetJS /
Preview, inspect, and edit real .op OpenPencil design documents inside DSH conversations — headless rendering, a read-only canvas, and a managed editor.
DSH model-facing Office tools: create, read, and update Word (.docx), Excel (.xlsx), and PowerPoint (.pptx) files inside the session workspace, entirely through the official DSH filesystem service.
Renders images, video, audio, PDF and Office documents inline in the dsh web UI through a display_file tool, streaming bytes over a signed HTTP route with range support.
dsh plugin: complete Office document tools for the agent (create/read/edit .docx/.xlsx/.pptx through the OfficeCLI binary) plus a document preview in the dsh web sidebar via dsh-better-sidebar.
Codex-style attachment format expansion for the DeepSeek Harness Web GUI: PDF text-layer extraction (pymupdf4llm / pdfjs), Office text extraction, long-document spill + index cards, scanned-PDF OCR (tesseract.js), and browser-decodable images to PNG.