Marcel 24d9d975d1 build(frontend): serve pdf.js wasm decoders at /pdfjs-wasm/ via static-copy ...

pdf.js 5.x moved the JBIG2/CCITTFax/JPEG2000 image decoders into
WebAssembly. The wasm lives in node_modules and was never web-served, so
those decoders failed to initialise and CCITT (G4 fax) scans painted
blank in production while rendering fine in dev.

Add vite-plugin-static-copy (devDependency) to copy
node_modules/pdfjs-dist/wasm/* into build/client/pdfjs-wasm/, so the
assets are emitted into the SvelteKit client build and survive the
production Docker image — not just `npm run dev`. Verified that
`node build` serves /pdfjs-wasm/jbig2.wasm with 200 + application/wasm.

Refs #708

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-06-01 21:12:23 +02:00

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