Initial commit: DashCaddy v1.0

Full codebase including API server (32 modules + routes), dashboard frontend,
DashCA certificate distribution, installer script, and deployment skills.

status/sw.js

@@ -0,0 +1,49 @@
+
+const CACHE = "sami-cloud-dashboard-v9";
+const PRECACHE = [
+  "index.html",
+  "assets/site.webmanifest",
+  "assets/favicon.svg",
+  "assets/icon-192.png",
+  "assets/icon-512.png",
+  "assets/apple-touch-icon.png",
+  "assets/weather/clear-day.svg",
+  "assets/weather/clear-night.svg",
+  "assets/weather/partly-cloudy-day.svg",
+  "assets/weather/partly-cloudy-night.svg",
+  "assets/weather/cloudy.svg",
+  "assets/weather/fog.svg",
+  "assets/weather/drizzle.svg",
+  "assets/weather/rain.svg",
+  "assets/weather/sleet.svg",
+  "assets/weather/snow.svg",
+  "assets/weather/thunderstorm.svg",
+  "assets/weather/wind.svg"
+];
+
+self.addEventListener("install", (e) => {
+  self.skipWaiting();
+  e.waitUntil(caches.open(CACHE).then((c) => c.addAll(PRECACHE)));
+});
+
+self.addEventListener("activate", (e) => {
+  e.waitUntil(
+    caches.keys().then(keys =>
+      Promise.all(keys.filter(k => k !== CACHE).map(k => caches.delete(k)))
+    ).then(() => self.clients.claim())
+  );
+});
+
+self.addEventListener("fetch", (e) => {
+  const { request } = e;
+  const url = new URL(request.url);
+  if (url.origin !== location.origin) return;
+  // Never cache API or probe responses - always go to network
+  if (url.pathname.startsWith("/api/") || url.pathname.startsWith("/probe/")) return;
+  e.respondWith(
+    fetch(request).then(resp => {
+      caches.open(CACHE).then(cache => cache.put(request, resp.clone())).catch(()=>{});
+      return resp.clone();
+    }).catch(() => caches.match(request))
+  );
+});