Embed handwriting fonts in the exported PDF#50
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Closes #23.
The PDF used Helvetica while the preview showed handwriting — so the export never matched the screen. Now the selected caption font is embedded in the PDF, making it WYSIWYG.
How
src/fonts/, imported as?urlassets and fetched lazily at export time (cached), then embedded subsetted via@pdf-lib/fontkit.ttfto the PWA precache so export stays fully offline.Why Caveat was dropped
The blocker on #23 was never variable-vs-static — I rendered a static Caveat instance and it still came out "Cort ona". Caveat is a semi-connected script that relies on GPOS kerning, which pdf-lib doesn't apply, so letters drift apart. Rather than ship a font that can't print faithfully, I replaced Caveat with Indie Flower — a casual handwriting font that's unconnected and renders pixel-perfect. The set is now Indie Flower (default) · Patrick Hand · Shadows Into Light · Kalam, all WYSIWYG.
Verification
Rendered a sample PDF per font (pdf-lib + fontkit) and rasterized to PNG to eyeball spacing: Indie Flower, Patrick Hand, Shadows Into Light and Kalam all render "Cortona / October 2008 / Nikon D7000 35mm" correctly (Caveat was the only one that broke). Embedding works with
subset: true. typecheck / oxlint / build green; all 4 TTFs land in the SW precache.If you'd rather keep Caveat on screen, I can add it back as a screen-only font, or implement manual GPOS kerning for it in the PDF — say the word.