Upload files to "web"

web/sw.js

@@ -0,0 +1,63 @@
+// sw.js - simple cache-first service worker
+
+const CACHE_NAME = 'lifemgr-cache-v1';
+
+// List everything needed for offline
+const ASSETS = [
+  '/',
+  '/index.html',
+  '/style.css',
+  '/script.js',
+  '/manifest.webmanifest',
+  '/icons/icon-192.png',
+  '/icons/icon-512.png'
+];
+
+// Install: cache core assets
+self.addEventListener('install', (event) => {
+  event.waitUntil(
+    caches.open(CACHE_NAME).then((cache) => {
+      return cache.addAll(ASSETS);
+    })
+  );
+  self.skipWaiting();
+});
+
+// Activate: cleanup old caches if you bump the version
+self.addEventListener('activate', (event) => {
+  event.waitUntil(
+    caches.keys().then((keys) =>
+      Promise.all(
+        keys.map((key) => {
+          if (key !== CACHE_NAME) {
+            return caches.delete(key);
+          }
+        })
+      )
+    )
+  );
+  self.clients.claim();
+});
+
+// Fetch: cache-first strategy
+self.addEventListener('fetch', (event) => {
+  const request = event.request;
+
+  // Only handle GET
+  if (request.method !== 'GET') return;
+
+  event.respondWith(
+    caches.match(request).then((cached) => {
+      // Serve from cache if available, else network
+      return (
+        cached ||
+        fetch(request).catch(() => {
+          // Optional: custom offline response for HTML requests
+          if (request.headers.get('accept')?.includes('text/html')) {
+            return caches.match('/index.html');
+          }
+        })
+      );
+    })
+  );
+});