fix(frontend): fit PWA icons into maskable safe zone

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Android's adaptive-icon mask clipped the bamboo artwork and showed a
white backing on install. Fix the icon set so it survives masking.

- maskable icons: artwork fitted inside the 0.40W safe-zone circle,
  opaque full-bleed background (no transparency, so no white fill)
- any icons: rounded-corner tiles with transparent corners
- drop legacy transparent android-icon-* (RealFaviconGenerator) that
  Android picked up as adaptive icons and backed with white
- rename to icon-tile-*/icon-maskable-* so the manifest src changes
  and installed PWAs re-fetch the launcher icon

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

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This commit is contained in:

Masahiko AMANO

2026-07-03 19:50:57 +03:00

parent 93e55e8e37

commit c3ed36f178

15 changed files with 5 additions and 30 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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frontend/static/images/icon-maskable-512x512.png

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