todo preparado como pwa con branding correcto

client/public/manifest.webmanifest

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+{
+  "name": "SnatchGame",
+  "short_name": "SnatchGame",
+  "description": "Arena de intercambio social. Juego competitivo de estrategia y negociación.",
+  "id": "/",
+  "start_url": "/",
+  "scope": "/",
+  "display": "standalone",
+  "background_color": "#111111",
+  "theme_color": "#111111",
+  "icons": [
+    { "src": "/pwa_icons/icon-192x192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
+    { "src": "/pwa_icons/icon-256x256.png", "sizes": "256x256", "type": "image/png", "purpose": "any" },
+    { "src": "/pwa_icons/icon-384x384.png", "sizes": "384x384", "type": "image/png", "purpose": "any" },
+    { "src": "/pwa_icons/icon-512x512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
+    { "src": "/pwa_icons/icon-144x144.png", "sizes": "144x144", "type": "image/png", "purpose": "any" },
+    { "src": "/pwa_icons/icon-128x128.png", "sizes": "128x128", "type": "image/png", "purpose": "any" },
+    { "src": "/pwa_icons/icon-96x96.png", "sizes": "96x96", "type": "image/png", "purpose": "any" },
+    { "src": "/pwa_icons/icon-72x72.png", "sizes": "72x72", "type": "image/png", "purpose": "any" },
+    { "src": "/pwa_icons/icon-48x48.png", "sizes": "48x48", "type": "image/png", "purpose": "any" }
+  ],
+  "screenshots": [
+    { "src": "/SnatchGame.png", "sizes": "992x1056", "type": "image/png", "form_factor": "wide", "label": "Juego - Escritorio" },
+    { "src": "/SnatchGame.png", "sizes": "992x1056", "type": "image/png", "label": "Juego - General" }
+  ]
+}

client/public/sw.js

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+// Minimal service worker to enable PWA installability
+self.addEventListener("install", () => {
+  // Activate immediately on install
+  self.skipWaiting();
+});
+
+self.addEventListener("activate", (event) => {
+  event.waitUntil(self.clients.claim());
+});
+
+// Provide a basic fetch handler (required by some browsers for installability)
+self.addEventListener("fetch", (event) => {
+  event.respondWith(fetch(event.request));
+});
+