// Minimal service worker for PWA installability only.
// This app requires a live WebSocket connection, so offline caching is not useful.
// We intentionally do NOT register a `fetch` handler — a pass-through handler
// forces every navigation through the SW for no benefit and breaks the
// browser's normal HTTP cache + error semantics.

self.addEventListener('install', () => {
    self.skipWaiting();
});

self.addEventListener('activate', (event) => {
    event.waitUntil(self.clients.claim());
});