Deploy Life of Mellow PWA

manifest.json

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+{
+  "name": "Life of Mellow",
+  "short_name": "Mellow",
+  "description": "A cozy village sim — guide your Mellows to gather, build and thrive through the seasons.",
+  "start_url": "./",
+  "scope": "./",
+  "display": "standalone",
+  "orientation": "any",
+  "background_color": "#bfe0f0",
+  "theme_color": "#8db26a",
+  "categories": ["games", "entertainment"],
+  "icons": [
+    { "src": "icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
+    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
+    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
+  ]
+}

sw.js

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+/* Life of Mellow — service worker (offline app shell) */
+const CACHE = 'mellow-v1';
+const ASSETS = ['./', './index.html', './manifest.json', './icon-192.png', './icon-512.png'];
+
+self.addEventListener('install', (e) => {
+  e.waitUntil(
+    caches.open(CACHE).then((c) => c.addAll(ASSETS)).then(() => self.skipWaiting())
+  );
+});
+
+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) => {
+  if (e.request.method !== 'GET') return;
+  e.respondWith(
+    caches.match(e.request).then((hit) =>
+      hit || fetch(e.request).then((res) => {
+        const copy = res.clone();
+        caches.open(CACHE).then((c) => c.put(e.request, copy)).catch(() => {});
+        return res;
+      }).catch(() => caches.match('./index.html'))
+    )
+  );
+});