Priya was three paragraphs into rewriting a support ticket when the page flashed and her draft reverted to what it had looked like an hour earlier. She hadn't refreshed. Nobody had.
The service worker had.
It was running a cache-first strategy for ticket pages — fetch once, serve from cache after that, so the dashboard felt instant on a flaky connection. The intent was to cache /tickets/482, the read-only view, and leave /tickets/482/edit alone, since an edit form is exactly the page you never want served stale. Here's the line that decided which was which:
const isTicketView = /^\/tickets\/\d+/.test(pathname);
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