chore(main): release 2.15.1

[github-actions]

🤖 I have created a release beep boop

2.15.1 (2026-10-09)

Bug Fixes

• a failed published-atlases fetch can half-generate a tracker atlas and still exit 0 (#3203) (#3239) (ebc6f7d)
• cap the azul projects page size at 50 and paginate atlas project fetches (#3234) (#3235) (165c3be)
• column filters cause a hydration error below 1024px (#3254) (#3255) (eda6301)
• external datasets are dropped from the atlas datasets tab when it has no hca datasets (#3236) (#3241) (5059052)
• make icon marks decorative and announce links that open a new tab (#3212) (#3225) (a781a51)

Chores

• upgrade findable-ui to latest (v57) (#3251) (#3253) (883744a)

Code Refactoring

• build site config branding and icons as jsx, not eager calls (#3217) (#3231) (10af2f2)
• extract the source study citation into its own component (#3218) (#3224) (31003d8)
• introduce an @ path alias to replace deep relative imports, enforced with eslint (#3210) (#3240) (19bc93f)
• require versionedfilename on tracker-built dataset assets (#3207) (#3233) (8ec7636)
• the atlas overview page fetches source datasets and studies it never renders (#3205) (#3232) (2dd32f6)

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