Simon 0f7e27fd77 Stamp asset URLs with their content hash ...

index.html is revalidated on every load, but the assets it names are not
under our control once they leave the origin: Cloudflare rewrites our
`Cache-Control: no-cache` on /static/* to `max-age=14400`, so a phone --
an iOS home-screen app above all, which keeps running whatever it has --
can execute four-hour-old JavaScript after a deploy.

The URLs now carry the file's content hash (static/js/main.js?v=<hash>),
reusing the manifest /api/version already computes, so every deploy asks
for URLs no cache can answer from an old copy. index.html itself gets an
explicit no-cache, must-revalidate.

Verified: served HTML carries per-file hashes, a changed file yields a
new URL, the app boots clean, and the refresh button's update path still
hot-swaps CSS and reloads for JS.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QBDkEXP4htyXTCZUwMLphd

2026-09-05 16:02:11 +00:00

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