// Minimal service worker — pass everything through, cache nothing
self.addEventListener('install', function() {
  self.skipWaiting();
});

self.addEventListener('activate', function(event) {
  // Clear all old caches
  event.waitUntil(
    caches.keys().then(function(names) {
      return Promise.all(
        names.map(function(name) { return caches.delete(name); })
      );
    })
  );
});

self.addEventListener('fetch', function(event) {
  // Only intercept same-origin requests — let external CDNs go through natively
  if (event.request.url.startsWith(self.location.origin)) {
    event.respondWith(fetch(event.request));
  }
});