gh-142927: Tachyon: Start with user's default light/dark theme #142987
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pablogsal
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Dec 20, 2025
cocolato
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Dec 22, 2025
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Right now, the page always starts in light mode, even if I have my system set to dark.
Instead, let's check
prefers-color-schemefor the initial theme.And if the user changes it, continue to save that preference in local storage.
Finally, refactor common theme support into
heatmap_shared.js.