fix(app): disable PWA service worker in dev, fix deprecated meta tag

Dev mode SW was caching stale responses and breaking page loads.
Disabled devOptions.enabled to prevent SW registration during development.
Added mobile-web-app-capable meta tag (the modern replacement for
apple-mobile-web-app-capable).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/app/index.html

@@ -5,6 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover" />
     <meta name="theme-color" content="#0a0a0a" media="(prefers-color-scheme: dark)" />
     <meta name="theme-color" content="#faf9f6" media="(prefers-color-scheme: light)" />
+    <meta name="mobile-web-app-capable" content="yes" />
     <meta name="apple-mobile-web-app-capable" content="yes" />
     <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
     <meta name="apple-mobile-web-app-title" content="AIUI" />

packages/app/vite.config.ts

@@ -103,7 +103,7 @@ export default defineConfig({
         ],
       },
       devOptions: {
-        enabled: true,
+        enabled: false,
       },
     }),
   ],