更新前后端配置并清理仓库内容

InfoGenie-frontend/public/manifest.json

@@ -1,7 +1,7 @@
 {
   "short_name": "万象口袋",
-  "name": "万象口袋 - 多功能聚合应用",
-  "description": "万象口袋 - 多功能聚合应用",
+  "name": "万象口袋",
+  "description": "万象口袋",
   "icons": [
     {
       "src": "/icons/icon-192.png",
@@ -36,9 +36,9 @@
   "categories": ["utilities", "productivity", "entertainment"],
   "screenshots": [
     {
-      "src": "data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 800'><rect width='400' height='800' fill='%23667eea'/><text x='200' y='400' text-anchor='middle' fill='white' font-size='32'>万象口袋</text></svg>",
-      "type": "image/svg+xml",
-      "sizes": "400x800",
+      "src": "/icons/icon-192.png",
+      "type": "image/png",
+      "sizes": "192x192",
       "form_factor": "narrow"
     }
   ]