Merge pull request #9 from enga018/claude/new-md-availability-r5ciwb

Fix stale PWA cache: bump service worker CACHE_NAME to v1.29.2

Author: enga018

sw.js

@@ -1,4 +1,9 @@
-const CACHE_NAME = 'nsnvc-tracker-v1.28.0';
+// Must be bumped on every deploy that changes index.html/manifest.json —
+// this is the only signal that makes the browser treat sw.js as changed and
+// install/activate a fresh worker. If it's left stale, already-installed
+// PWAs keep serving whatever was cached under the old name indefinitely
+// (this has silently happened before: see the v1.25.6 and v1.28.0 fixes).
+const CACHE_NAME = 'nsnvc-tracker-v1.29.2';
 const urlsToCache = [
   './',
   './index.html',