feat: 集成后台任务管理功能及相关组件

- 新增后台任务管理器，支持任务的注册、执行和状态监控
- 实现自定义Hook，简化后台任务的使用和管理
- 添加示例任务，包括数据同步、健康数据更新和通知检查等
- 更新文档，详细描述后台任务系统的实现和使用方法
- 优化相关组件，确保用户体验和界面一致性

package-lock.json

@@ -21,6 +21,7 @@
         "dayjs": "^1.11.13",
         "expo": "~53.0.20",
         "expo-apple-authentication": "6.4.2",
+        "expo-background-task": "~0.2.8",
         "expo-blur": "~14.1.5",
         "expo-constants": "~17.1.7",
         "expo-font": "~13.3.2",
@@ -35,6 +36,7 @@
         "expo-status-bar": "~2.2.3",
         "expo-symbols": "~0.4.5",
         "expo-system-ui": "~5.0.10",
+        "expo-task-manager": "^13.1.6",
         "expo-web-browser": "~14.2.0",
         "react": "19.0.0",
         "react-dom": "19.0.0",
@@ -7030,6 +7032,18 @@
         "react-native": "*"
       }
     },
+    "node_modules/expo-background-task": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/expo-background-task/-/expo-background-task-0.2.8.tgz",
+      "integrity": "sha512-dePyskpmyDZeOtbr9vWFh+Nrse0TvF6YitJqnKcd+3P7pDMiDr1V2aT6zHdNOc5iV9vPaDJoH/zdmlarp1uHMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "expo-task-manager": "~13.1.6"
+      },
+      "peerDependencies": {
+        "expo": "*"
+      }
+    },
     "node_modules/expo-blur": {
       "version": "14.1.5",
       "resolved": "https://registry.npmjs.org/expo-blur/-/expo-blur-14.1.5.tgz",
@@ -7320,6 +7334,19 @@
         }
       }
     },
+    "node_modules/expo-task-manager": {
+      "version": "13.1.6",
+      "resolved": "https://registry.npmjs.org/expo-task-manager/-/expo-task-manager-13.1.6.tgz",
+      "integrity": "sha512-sYNAftpIeZ+j6ur17Jo0OpSTk9ks/MDvTbrNCimXMyjIt69XXYL/kAPYf76bWuxOuN8bcJ8Ef8YvihkwFG9hDA==",
+      "license": "MIT",
+      "dependencies": {
+        "unimodules-app-loader": "~5.1.3"
+      },
+      "peerDependencies": {
+        "expo": "*",
+        "react-native": "*"
+      }
+    },
     "node_modules/expo-web-browser": {
       "version": "14.2.0",
       "resolved": "https://registry.npmjs.org/expo-web-browser/-/expo-web-browser-14.2.0.tgz",
@@ -13759,6 +13786,12 @@
         "node": ">=4"
       }
     },
+    "node_modules/unimodules-app-loader": {
+      "version": "5.1.3",
+      "resolved": "https://registry.npmjs.org/unimodules-app-loader/-/unimodules-app-loader-5.1.3.tgz",
+      "integrity": "sha512-nPUkwfkpJWvdOQrVvyQSUol93/UdmsCVd9Hkx9RgAevmKSVYdZI+S87W73NGKl6QbwK9L1BDSY5OrQuo8Oq15g==",
+      "license": "MIT"
+    },
     "node_modules/unique-string": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-2.0.0.tgz",