feat(apps): update UI screens and shared components

- Update home screen with new composer and interactions
- Update settings screens with new profile flow
- Update calendar share dialog
- Update contacts screen
- Add new shared widgets: confirm_sheet, phone_prefix_selector
- Add new formatters: phone_display_formatter
- Update tests for modified components

apps/lib/features/contacts/ui/screens/contacts_screen.dart

@@ -63,21 +63,11 @@ class _ContactsScreenState extends State<ContactsScreen> {
     }
   }
 
-  bool _isValidEmail(String email) {
-    final emailRegex = RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,}$');
-    return emailRegex.hasMatch(email);
-  }
-
   Future<void> _onSearch() async {
     final query = _searchController.text.trim();
 
     if (query.isEmpty) {
-      Toast.show(context, '请输入邮箱地址', type: ToastType.warning);
-      return;
-    }
-
-    if (!_isValidEmail(query)) {
-      Toast.show(context, '请输入有效的邮箱地址', type: ToastType.warning);
+      Toast.show(context, '请输入用户名或手机号', type: ToastType.warning);
       return;
     }
 
@@ -265,7 +255,9 @@ class _ContactsScreenState extends State<ContactsScreen> {
   Widget build(BuildContext context) {
     return Scaffold(
       backgroundColor: AppColors.surfaceSecondary,
+      resizeToAvoidBottomInset: false,
       body: SafeArea(
+        maintainBottomViewPadding: true,
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.stretch,
           children: [
@@ -323,7 +315,7 @@ class _ContactsScreenState extends State<ContactsScreen> {
               controller: _searchController,
               focusNode: _searchFocusNode,
               decoration: const InputDecoration(
-                hintText: '输入邮箱搜索用户',
+                hintText: '输入用户名或手机号',
                 hintStyle: TextStyle(
                   fontSize: 13,
                   fontWeight: FontWeight.w500,
@@ -341,7 +333,7 @@ class _ContactsScreenState extends State<ContactsScreen> {
                 ),
               ),
               style: const TextStyle(fontSize: 13),
-              keyboardType: TextInputType.emailAddress,
+              keyboardType: TextInputType.text,
               textInputAction: TextInputAction.search,
               onSubmitted: (_) => _onSearch(),
               onChanged: (value) {
@@ -562,7 +554,7 @@ class _ContactsScreenState extends State<ContactsScreen> {
           ),
           const SizedBox(height: 4),
           const Text(
-            '搜索邮箱添加好友开始聊天吧',
+            '搜索手机号添加好友开始聊天吧',
             style: TextStyle(fontSize: 13, color: AppColors.slate400),
           ),
         ],