✨ feat: implement API key authentication and user session management

web/public/manifest.json

@@ -0,0 +1,36 @@
+{
+  "name": "Claude Code",
+  "short_name": "Claude",
+  "description": "Claude Code — AI-powered development assistant",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#09090f",
+  "theme_color": "#09090f",
+  "orientation": "portrait-primary",
+  "scope": "/",
+  "lang": "en",
+  "icons": [
+    {
+      "src": "/icons/icon-192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "any maskable"
+    },
+    {
+      "src": "/icons/icon-512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "any maskable"
+    }
+  ],
+  "categories": ["productivity", "developer tools"],
+  "shortcuts": [
+    {
+      "name": "New Conversation",
+      "short_name": "New Chat",
+      "description": "Start a new conversation",
+      "url": "/?new=1",
+      "icons": [{ "src": "/icons/icon-192.png", "sizes": "192x192" }]
+    }
+  ]
+}