linkingoscar/dsh-attachment-formats

安装

dsh-attachment-formats/
├── lib/
│   ├── index.js          # host half: POST /api/attach-formats/convert + engine routing
│   ├── client.js         # browser half: button/drop interception/synthetic drop/text injection/status bar
│   ├── cache.js          # workspace .dsh-attachments spill/manifest/INDEX.md/cleanup
│   ├── py/pymupdf4llm_convert.py  # venv high-fidelity engine (subprocess call)
│   └── convert/
│       ├── util.js       # magic-byte sniffing (pdf/tiff/OLE/rtf/zip), base64, truncation
│       ├── provider.js   # engine/binary detection (venv python, pandoc, LibreOffice) + subprocess bridges
│       ├── pdftext.js    # pdfjs text-layer extraction: line assembly/header-footer dedup/bookmark TOC
│       ├── outline.js    # md heading outline, JSON first-level key tree
│       ├── ocr.js        # tesseract.js OCR (traineddata download cache/confidence)
│       ├── pdf.js        # pdfjs-dist + @napi-rs/canvas → PNG/JPEG pages
│       ├── docx.js       # mammoth HTML → turndown+GFM → Markdown (tables preserved)
│       ├── xlsx.js       # exceljs → tab-separated text
│       ├── pptx.js       # jszip + a:t text runs → per-slide text
│       ├── tiff.js       # sharp (libvips) → PNG pages
│       ├── pandoc.js     # pandoc → Markdown + epub/odt zip fallback
│       └── libreoffice.js # legacy .doc/.xls/.ppt → modern OOXML
├── .venv/                # (optional) pymupdf4llm engine (generated by setup, not committed)
├── vendor/tessdata/      # OCR language-data cache (downloaded on first use, not committed)
├── docs/                 # design-longdoc.md / alternatives.md / upgrade-v6.md
├── scripts/smoke-*.mjs   # five offline smoke suites (converters/router/client/OCR/P0)
└── cordis.patch.yml

把 linkingoscar/dsh-attachment-formats 加入你的 DSH 配置（web profile）即可启用。