gogo 10e5dd81e0 fix(branding): regenerate raster favicons — white mark was shipped without its gradient tile (#7390) ...

* fix(branding): regenerate raster favicons — white mark was shipped without its gradient tile

favicon.ico, icon-512.png and apple-touch-icon.png contained only the
white network mark on a transparent background: every opaque pixel was
pure #FFFFFF, with no trace of the red gradient tile that favicon.svg
and apple-touch-icon.svg define. On light browser tab strips and
bookmark bars the icon therefore rendered as a blank white square.

Regenerate all three assets from the canonical SVG sources:

- favicon.ico: same 7 frames as before (16–256), each rasterized from
  the vector at native size, stored as PNG frames — 141 KB → 16 KB
- icon-512.png: rendered from favicon.svg with the gradient tile
- apple-touch-icon.png: rendered from apple-touch-icon.svg at the
  180×180 size layout.tsx declares (the shipped file was 512×512)

Add scripts/ad-hoc/generate-brand-icons.mjs so the raster assets can be
reproduced from the SVGs (byte-identical) instead of drifting again.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(branding): keep standalone PNGs truecolor; palette-quantize only ICO frames

Review feedback (gemini-code-assist): 8-bit palette quantization
measurably clips the antialiased gradient on large assets — 1242 → 253
distinct colors at 512px. Make palette opt-in per render: ICO frames
keep it (16 KB container), icon-512.png and apple-touch-icon.png are
now truecolor (+9 KB total).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

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Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

2026-07-18 21:18:45 -03:00

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