feat(app): add PNG export — copy to clipboard and save to Downloads#53
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breadoncee wants to merge 2 commits intoexcalidraw:mainfrom
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feat(app): add PNG export — copy to clipboard and save to Downloads#53breadoncee wants to merge 2 commits intoexcalidraw:mainfrom
breadoncee wants to merge 2 commits intoexcalidraw:mainfrom
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…xcalidraw#31) - Copy PNG: clipboard copy via navigator.clipboard.write (pure client-side) - Save PNG: upload_png server tool saves to ~/Downloads (stdio) or serves via /download/:id endpoint (HTTP/Vercel) - PNG store with memory (local) and Redis (Vercel) backends, 5-min TTL - Buttons in both inline and fullscreen toolbars with state feedback
- Make PngStore interface fully async — await Redis save before returning download URL, fixing Vercel serverless freeze issue - Remove instanceof/loadAsync abstraction leak in download endpoint - Bump MAX_PNG_BYTES from 2MB to 4MB (under Vercel's 4.5MB limit) - Fix Safari clipboard: pass blob promise to ClipboardItem to retain user-activation context
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excalidraw_export_png.mp4
Summary
PngStore) and returns a download URL, with button state feedback (idle → saving → saved with path)PngStoreabstraction with memory and Redis (Upstash KV) implementations, 5-minute TTL, andMAX_PNG_BYTESsize guardapi/download/[id].ts) serves stored PNGs with properContent-DispositionheadersTest plan
MAX_PNG_BYTESlimit is enforcedCloses #31