Introduces AppIconMark (navy gradient field + 2×2 glossy blocks reusing
paintGlossyTile) and a testWidgets generator that writes icon.png,
icon_background.png, and icon_foreground.png to assets/icon/ for the
upcoming flutter_launcher_icons task.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Greedy bot with tray-survival lookahead and gem-line steering; generator
samples layouts along a difficulty curve, probes bot moves-to-win, sets
adaptive move budgets targeting win-rate bands, and derives star
thresholds from spare-move quantiles. Season 1 pack bundled in assets
with per-stage difficulty report.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Pure-Dart WAV synthesizer (tool/gen_sfx.dart) generates place/clear/
combo/win/lose effects; AudioService player pool fires on placement,
line clears, combo streaks, and phase transitions.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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