sjgandClaude Opus 5
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Embed the six sheets alongside the other vendored assets and serve them under /vendor with the same immutable cache headers. The browser computes a symbol's cell from a 16x6 grid of 24px cells, so a re-vendored sheet at any other size would shift every station onto a neighbouring icon -- wrong on every packet, and invisible unless you know which glyph to expect. Pin the geometry by parsing each embedded PNG's IHDR in a test. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_018huL1ELyr86yVqfAabtioA Signed-off-by: Stan Grams <sjg@haxx.space>