Fix automaton image invisible in GitHub dark mode#32
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The sieve automaton was black ink on a transparent background, so it was invisible on GitHub's dark theme. Render two variants (dark ink for light mode, light ink for dark mode) and embed them via a <picture> element that switches on prefers-color-scheme. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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The sieve automaton added in #31 was black ink on a transparent background, so it rendered black-on-black (invisible) on GitHub's dark theme.
Fix: render two theme-aware variants — dark ink for light mode, light ink for dark mode — and embed them with a
<picture>element that switches onprefers-color-scheme.scripts/gen_readme_media.pynow emits both (sieve_automaton-light.png/-dark.png); verified the dark variant composited on GitHub-dark (#0d1117) is fully legible.🤖 Generated with Claude Code