/* Offline shell: network-first for navigations, cache fallback when offline. */
const CACHE = "homelab-shell-v1";

self.addEventListener("install", (e) => {
  e.waitUntil(caches.open(CACHE).then((c) => c.addAll(["/", "/index.html"])));
});

self.addEventListener("activate", (e) => {
  e.waitUntil(
    caches.keys().then((keys) => Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k)))),
  );
});

self.addEventListener("fetch", (e) => {
  if (e.request.mode !== "navigate") return;
  e.respondWith(fetch(e.request).catch(() => caches.match("/index.html")));
});