/* PWA cache disabled — clears legacy caches and unregisters itself */
self.addEventListener('install', (event) => {
  self.skipWaiting();
  event.waitUntil(
    caches.keys().then((keys) => Promise.all(keys.map((k) => caches.delete(k))))
  );
});

self.addEventListener('activate', (event) => {
  event.waitUntil(
    caches.keys()
      .then((keys) => Promise.all(keys.map((k) => caches.delete(k))))
      .then(() => self.clients.claim())
  );
});

/* Do not intercept fetches — always use network */
self.addEventListener('fetch', () => {});