chore(deps): upgrade Expo SDK from 55 to 56

Migrate from @react-navigation/native to expo-router navigation hooks across all screens.
Add polyfills module and apply LiveKit VideoView optional loading for Expo Go compatibility.
Improve background sync to skip when user is not logged in.
Enhance fetchUnreadCount to return typed totalUnread and systemUnread values.

package.json

@@ -15,59 +15,56 @@
   },
   "dependencies": {
     "@expo/vector-icons": "^15.1.1",
+    "@livekit/react-native": "^2.11.0",
+    "@livekit/react-native-webrtc": "^144.1.0",
     "@react-native-async-storage/async-storage": "^2.2.0",
-    "@react-navigation/bottom-tabs": "^7.15.2",
-    "@react-navigation/material-top-tabs": "^7.4.16",
-    "@react-navigation/native": "^7.1.31",
-    "@react-navigation/native-stack": "^7.14.2",
-    "@shopify/flash-list": "^2.3.1",
+    "@shopify/flash-list": "2.0.2",
     "@tanstack/react-query": "^5.90.21",
     "axios": "^1.13.6",
     "date-fns": "^4.1.0",
-    "expo": "~55.0.4",
-    "expo-background-task": "~55.0.10",
-    "expo-camera": "^55.0.10",
-    "expo-constants": "~55.0.7",
-    "expo-dev-client": "~55.0.10",
-    "expo-file-system": "~55.0.10",
-    "expo-font": "~55.0.4",
-    "expo-haptics": "~55.0.8",
-    "expo-image": "^55.0.5",
-    "expo-image-picker": "^55.0.10",
-    "expo-intent-launcher": "~55.0.9",
-    "expo-linear-gradient": "^55.0.8",
-    "expo-media-library": "~55.0.9",
-    "expo-notifications": "~55.0.0",
-    "expo-router": "^55.0.4",
-    "expo-sqlite": "~55.0.10",
-    "expo-status-bar": "~55.0.4",
-    "expo-system-ui": "^55.0.9",
-    "expo-task-manager": "~55.0.9",
-    "expo-updates": "^55.0.12",
-    "expo-video": "^55.0.10",
+    "expo": "^56.0.8",
+    "expo-background-task": "~56.0.16",
+    "expo-camera": "~56.0.7",
+    "expo-constants": "~56.0.16",
+    "expo-dev-client": "~56.0.18",
+    "expo-file-system": "~56.0.7",
+    "expo-font": "~56.0.5",
+    "expo-haptics": "~56.0.3",
+    "expo-image": "~56.0.6",
+    "expo-image-picker": "~56.0.15",
+    "expo-intent-launcher": "~56.0.4",
+    "expo-linear-gradient": "~56.0.4",
+    "expo-linking": "~56.0.13",
+    "expo-media-library": "~56.0.6",
+    "expo-notifications": "~56.0.15",
+    "expo-router": "~56.2.8",
+    "expo-sqlite": "~56.0.4",
+    "expo-status-bar": "~56.0.4",
+    "expo-system-ui": "~56.0.5",
+    "expo-task-manager": "~56.0.16",
+    "expo-updates": "~56.0.17",
+    "expo-video": "~56.1.2",
     "jcore-react-native": "^2.3.5",
     "jpush-react-native": "^3.2.6",
     "katex": "^0.16.42",
+    "livekit-client": "^2.19.0",
     "markdown-it": "^14.1.1",
     "pako": "^2.1.0",
     "prismjs": "^1.30.0",
-    "react": "19.2.0",
-    "react-dom": "19.2.0",
-    "react-native": "0.83.2",
-    "react-native-gesture-handler": "^2.30.0",
-    "react-native-pager-view": "^8.0.0",
+    "react": "19.2.3",
+    "react-dom": "19.2.3",
+    "react-native": "0.85.3",
+    "react-native-gesture-handler": "~2.31.1",
+    "react-native-pager-view": "8.0.1",
     "react-native-paper": "^5.15.0",
-    "react-native-reanimated": "^4.2.1",
-    "react-native-safe-area-context": "~5.6.2",
-    "react-native-screens": "~4.23.0",
+    "react-native-reanimated": "4.3.1",
+    "react-native-safe-area-context": "~5.7.0",
+    "react-native-screens": "4.25.2",
     "react-native-share": "^12.2.6",
     "react-native-sse": "^1.2.1",
     "react-native-web": "^0.21.0",
-    "@livekit/react-native": "^2.11.0",
-    "@livekit/react-native-webrtc": "^144.1.0",
-    "livekit-client": "^2.19.0",
-    "react-native-webview": "13.16.0",
-    "react-native-worklets": "0.7.2",
+    "react-native-webview": "13.16.1",
+    "react-native-worklets": "0.8.3",
     "zod": "^4.3.6",
     "zustand": "^5.0.11"
   },
@@ -76,7 +73,12 @@
     "@types/pako": "^2.0.4",
     "@types/react": "~19.2.2",
     "@types/react-native-vector-icons": "^6.4.18",
-    "typescript": "~5.9.2"
+    "typescript": "~6.0.3"
   },
-  "private": true
+  "private": true,
+  "expo": {
+    "install": {
+      "exclude": ["expo-image"]
+    }
+  }
 }