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chore(admin-sw): bump cache to v3 to evict stale clients

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Force returning browsers to drop the old service-worker cache bucket so the
new platform Users "Add user" button lands. The SW is already network-first;
bumping CACHE (rd-admin-v2 -> v3) changes the SW bytes, which makes the browser
detect a new worker and run activate(), deleting every cache key != CACHE.
Also rescues any client still stuck on the pre-v2 cache-first worker.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
ScreenTinker 2026-06-05 15:22:24 -05:00
parent 400872f8ea
commit 65691e26da
1 changed files with 9 additions and 5 deletions
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14
frontend/sw-admin.js
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@ -1,8 +1,12 @@
// Service worker for the admin SPA. Bumped to v2 to invalidate the cache-first
// caches that were shipping stale JS to existing clients (the server already
// sends Cache-Control: no-cache + ETag, but the previous SW intercepted before
// any of that mattered). Strategy is now network-first with offline fallback.
const CACHE = 'rd-admin-v2';
// Service worker for the admin SPA. Strategy is network-first with offline
// fallback (the server sends Cache-Control: no-cache + ETag, so 304s stay fast).
// Cache name is bumped on each release that must invalidate stale client caches:
// v2 - first network-first version (replaced a cache-first SW that shipped stale JS)
// v3 - force returning clients to drop the old bucket so the "Add user" admin
// button (and any client still on a pre-v2 cache-first SW) lands.
// Changing this string is what makes the browser detect a new SW + run activate,
// which deletes every cache key != CACHE below.
const CACHE = 'rd-admin-v3';
self.addEventListener('install', e => {
e.waitUntil(caches.open(CACHE).then(c => c.addAll([