Refactor session management to use AsyncStorage for persistence; update game settings and leaderboard screens for improved functionality

package-lock.json

@@ -8,6 +8,7 @@
       "name": "mad_treasure_hunt_app",
       "version": "1.0.0",
       "dependencies": {
+        "@react-native-async-storage/async-storage": "2.2.0",
         "@react-navigation/native": "^7.1.18",
         "@react-navigation/native-stack": "^7.3.28",
         "expo": "~54.0.33",
@@ -16,7 +17,6 @@
         "expo-haptics": "~15.0.8",
         "expo-image": "~3.0.11",
         "expo-location": "~19.0.7",
-        "expo-sensors": "~15.0.7",
         "expo-splash-screen": "~31.0.13",
         "expo-status-bar": "~3.0.9",
         "expo-symbols": "~1.0.8",
@@ -27,7 +27,7 @@
         "react-dom": "19.1.0",
         "react-native": "0.81.5",
         "react-native-gesture-handler": "~2.28.0",
-        "react-native-maps": "1.20.1",
+        "react-native-maps": "^1.20.1",
         "react-native-reanimated": "~4.1.1",
         "react-native-safe-area-context": "~5.6.0",
         "react-native-screens": "~4.16.0",
@@ -2352,6 +2352,18 @@
         "node": ">=12.4.0"
       }
     },
+    "node_modules/@react-native-async-storage/async-storage": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@react-native-async-storage/async-storage/-/async-storage-2.2.0.tgz",
+      "integrity": "sha512-gvRvjR5JAaUZF8tv2Kcq/Gbt3JHwbKFYfmb445rhOj6NUMx3qPLixmDx5pZAyb9at1bYvJ4/eTUipU5aki45xw==",
+      "license": "MIT",
+      "dependencies": {
+        "merge-options": "^3.0.4"
+      },
+      "peerDependencies": {
+        "react-native": "^0.0.0-0 || >=0.65 <1.0"
+      }
+    },
     "node_modules/@react-native/assets-registry": {
       "version": "0.81.5",
       "resolved": "https://registry.npmjs.org/@react-native/assets-registry/-/assets-registry-0.81.5.tgz",
@@ -5490,19 +5502,6 @@
         "react-native": "*"
       }
     },
-    "node_modules/expo-sensors": {
-      "version": "15.0.8",
-      "resolved": "https://registry.npmjs.org/expo-sensors/-/expo-sensors-15.0.8.tgz",
-      "integrity": "sha512-ttibOSCYjFAMIfjV+vVukO1v7GKlbcPRfxcRqbTaSMGneewDwVSXbGFImY530fj1BR3mWq4n9jHnuDp8tAEY9g==",
-      "license": "MIT",
-      "dependencies": {
-        "invariant": "^2.2.4"
-      },
-      "peerDependencies": {
-        "expo": "*",
-        "react-native": "*"
-      }
-    },
     "node_modules/expo-server": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/expo-server/-/expo-server-1.0.5.tgz",
@@ -6779,6 +6778,15 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/is-plain-obj": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-2.1.0.tgz",
+      "integrity": "sha512-YWnfyRwxL/+SsrWYfOpUtz5b3YD+nyfkHvjbcanzk8zgyO4ASD67uVMRt8k5bM4lLMDnXfriRhOpemw+NfT1eA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/is-regex": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.2.1.tgz",
@@ -7682,6 +7690,18 @@
       "resolved": "https://registry.npmjs.org/memoize-one/-/memoize-one-5.2.1.tgz",
       "integrity": "sha512-zYiwtZUcYyXKo/np96AGZAckk+FWWsUdJ3cHGGmld7+AhvcWmQyGCYUh1hc4Q/pkOhb65dQR/pqCyK0cOaHz4Q=="
     },
+    "node_modules/merge-options": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/merge-options/-/merge-options-3.0.4.tgz",
+      "integrity": "sha512-2Sug1+knBjkaMsMgf1ctR1Ujx+Ayku4EdJN4Z+C2+JzoeF7A3OZ9KM2GY0CpQS51NR61LTurMJrRKPhSs3ZRTQ==",
+      "license": "MIT",
+      "dependencies": {
+        "is-plain-obj": "^2.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/merge-stream": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",