feat: 更新鸿蒙应用配置与功能优化

- 添加鸿蒙分层图标配置和生成脚本
- 修复数据导出JSON解析问题
- 优化关于页面和团队信息展示
- 更新应用版本至1.4.1
- 清理代码警告和冗余文件
- 添加字体和二维码测试脚本
- 完善鸿蒙适配文档和指南

pubspec.lock

@@ -57,6 +57,22 @@ packages:
       relative: true
     source: path
     version: "3.2.0-ohos.1"
+  barcode:
+    dependency: transitive
+    description:
+      name: barcode
+      sha256: "7b6729c37e3b7f34233e2318d866e8c48ddb46c1f7ad01ff7bb2a8de1da2b9f4"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.2.9"
+  bidi:
+    dependency: transitive
+    description:
+      name: bidi
+      sha256: "77f475165e94b261745cf1032c751e2032b8ed92ccb2bf5716036db79320637d"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.13"
   boolean_selector:
     dependency: transitive
     description:
@@ -566,6 +582,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.1.2"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      sha256: f9881ff4998044947ec38d098bc7c8316ae1186fa786eddffdb867b9bc94dfce
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.8.0"
   image_picker:
     dependency: transitive
     description:
@@ -837,6 +861,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.9.1"
+  path_parsing:
+    dependency: transitive
+    description:
+      name: path_parsing
+      sha256: "883402936929eac138ee0a45da5b0f2c80f89913e6dc3bf77eb65b84b409c6ca"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.0"
   path_provider:
     dependency: "direct main"
     description:
@@ -895,6 +927,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.3.0"
+  pdf:
+    dependency: "direct main"
+    description:
+      path: "packages/pdf/pdf"
+      relative: true
+    source: path
+    version: "3.12.0-ohos.1"
   permission_handler:
     dependency: "direct main"
     description: