Refactor components and enhance background task management

- Updated font sizes and weights in BasalMetabolismCard, MoodCard, HealthDataCard, and NutritionRadarCard for improved readability.
- Removed loading state from MoodCard to simplify the component.
- Adjusted styles in WeightHistoryCard for better layout and spacing.
- Integrated expo-background-fetch for improved background task handling.
- Updated Info.plist to include background fetch capability.
- Enhanced background task registration and execution logic in backgroundTaskManager.
- Added debug function to manually trigger background task execution for testing purposes.

package-lock.json

@@ -23,6 +23,7 @@
         "dayjs": "^1.11.13",
         "expo": "~53.0.20",
         "expo-apple-authentication": "6.4.2",
+        "expo-background-fetch": "^13.1.6",
         "expo-background-task": "~0.2.8",
         "expo-blur": "~14.1.5",
         "expo-constants": "~17.1.7",
@@ -7073,6 +7074,18 @@
         "react-native": "*"
       }
     },
+    "node_modules/expo-background-fetch": {
+      "version": "13.1.6",
+      "resolved": "https://mirrors.tencent.com/npm/expo-background-fetch/-/expo-background-fetch-13.1.6.tgz",
+      "integrity": "sha512-hl4kR32DaxoHFYqNsILLZG2mWssCkUb4wnEAHtDGmpxUP4SCnJILcAn99J6AGDFUw5lF6FXNZZCXNfcrFioO4Q==",
+      "license": "MIT",
+      "dependencies": {
+        "expo-task-manager": "~13.1.6"
+      },
+      "peerDependencies": {
+        "expo": "*"
+      }
+    },
     "node_modules/expo-background-task": {
       "version": "0.2.8",
       "resolved": "https://registry.npmjs.org/expo-background-task/-/expo-background-task-0.2.8.tgz",