fix: resolve Expo SDK 54 compatibility issues and React 19 JSX runtime errors

client/package.json

@@ -6,8 +6,7 @@
     "start": "expo start",
     "android": "expo run:android",
     "ios": "expo run:ios",
-    "web": "expo start --web",
-    "postinstall": "node ./scripts/postinstall-fix-metro.js"
+    "web": "expo start --web"
   },
   "dependencies": {
     "@expo/vector-icons": "^15.0.3",
@@ -38,6 +37,7 @@
     "react-native-worklets": "0.5.1"
   },
   "devDependencies": {
+    "@babel/plugin-transform-react-jsx": "^7.28.6",
     "@types/react": "~19.1.0",
     "react-test-renderer": "19.1.0",
     "typescript": "~5.9.2"