// Service Worker — PWA installability shell only.
//
// The push and notificationclick listeners were removed alongside the chat
// generation pipeline (they only fired when the internal LLM finished a
// response). The empty fetch handler is preserved as the installability
// surface required for "Add to Home Screen" in some browsers; offline
// caching is intentionally not implemented yet.

self.addEventListener('fetch', () => {
  // Pass-through — no offline caching in v1
});