fix(mobile-next): 把加载、失败、断网接到真实 SDK 与目录请求

会话列表、通讯录、好友申请、添加同事页覆盖 CompanyLoadingView/CompanyFailView；
主页断网横幅跟随 IMSdkStatus.connectionFailed。不伪造状态。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

mobile-next/lib/pages/home/home_logic.dart

@@ -24,6 +24,7 @@ class HomeLogic extends SuperController {
   final unhandledFriendApplicationCount = 0.obs;
   final unhandledGroupApplicationCount = 0.obs;
   final unhandledCount = 0.obs;
+  final isOffline = false.obs;
   String? _lockScreenPwd;
   bool _isShowScreenLock = false;
   bool? _isAutoLogin;
@@ -50,7 +51,8 @@ class HomeLogic extends SuperController {
 
   void getUnhandledFriendApplicationCount() async {
     var i = 0;
-    var list = await OpenIM.iMManager.friendshipManager.getFriendApplicationListAsRecipient();
+    var list = await OpenIM.iMManager.friendshipManager
+        .getFriendApplicationListAsRecipient();
     var haveReadList = DataSp.getHaveReadUnHandleFriendApplication();
     haveReadList ??= <String>[];
     for (var info in list) {
@@ -65,7 +67,8 @@ class HomeLogic extends SuperController {
 
   void getUnhandledGroupApplicationCount() async {
     var i = 0;
-    var list = await OpenIM.iMManager.groupManager.getGroupApplicationListAsRecipient();
+    var list = await OpenIM.iMManager.groupManager
+        .getGroupApplicationListAsRecipient();
     var haveReadList = DataSp.getHaveReadUnHandleGroupApplication();
     haveReadList ??= <String>[];
     for (var info in list) {
@@ -101,7 +104,12 @@ class HomeLogic extends SuperController {
       if (value.status == IMSdkStatus.syncStart) {
         _getRTCInvitationStart();
       }
+      isOffline.value = value.status == IMSdkStatus.connectionFailed;
     });
+    final lastStatus = imLogic.imSdkStatusSubject.values.lastOrNull;
+    if (lastStatus != null) {
+      isOffline.value = lastStatus.status == IMSdkStatus.connectionFailed;
+    }
 
     Apis.kickoffController.stream.listen((event) {
       DataSp.removeLoginCertificate();

mobile-next/lib/pages/home/home_view.dart

@@ -9,6 +9,7 @@ import '../mine/mine_view.dart';
 import 'home_logic.dart';
 import 'package:persistent_bottom_nav_bar_v2/persistent_bottom_nav_bar_v2.dart';
 import '../../company/feature_flags.dart';
+import '../../company/ui/state_views.dart';
 
 class HomePage extends StatelessWidget {
   final logic = Get.find<HomeLogic>();
@@ -22,9 +23,11 @@ class HomePage extends StatelessWidget {
               onDoubleTap: () {
                 logic.scrollToUnreadMessage();
               },
-              child: _setupIcon(ImageRes.homeTab1Sel.toImage, logic.unreadMsgCount.value),
+              child: _setupIcon(
+                  ImageRes.homeTab1Sel.toImage, logic.unreadMsgCount.value),
             ),
-            inactiveIcon: _setupIcon(ImageRes.homeTab1Nor.toImage, logic.unreadMsgCount.value),
+            inactiveIcon: _setupIcon(
+                ImageRes.homeTab1Nor.toImage, logic.unreadMsgCount.value),
             title: StrRes.home,
             textStyle: Styles.ts_0089FF_10sp_semibold,
           ),
@@ -32,8 +35,10 @@ class HomePage extends StatelessWidget {
         PersistentTabConfig(
           screen: ContactsPage(),
           item: ItemConfig(
-            icon: _setupIcon(ImageRes.homeTab2Sel.toImage, logic.unhandledCount.value),
-            inactiveIcon: _setupIcon(ImageRes.homeTab2Nor.toImage, logic.unhandledCount.value),
+            icon: _setupIcon(
+                ImageRes.homeTab2Sel.toImage, logic.unhandledCount.value),
+            inactiveIcon: _setupIcon(
+                ImageRes.homeTab2Nor.toImage, logic.unhandledCount.value),
             title: StrRes.contacts,
             textStyle: Styles.ts_0089FF_10sp_semibold,
           ),
@@ -81,19 +86,30 @@ class HomePage extends StatelessWidget {
     return Scaffold(
       backgroundColor: Styles.c_FFFFFF,
       body: Obx(
-        () => PersistentTabView(
-          tabs: _tabs(),
-          navBarBuilder: (navBarConfig) => Style1BottomNavBar(
-            navBarConfig: navBarConfig,
-            navBarDecoration: const NavBarDecoration(
-              color: Colors.white,
-              boxShadow: [
-                BoxShadow(color: Colors.black12, blurRadius: 0.5, spreadRadius: 0.5),
-              ],
+        () => Column(
+          children: [
+            if (logic.isOffline.value) const CompanyOfflineBanner(),
+            Expanded(
+              child: PersistentTabView(
+                tabs: _tabs(),
+                navBarBuilder: (navBarConfig) => Style1BottomNavBar(
+                  navBarConfig: navBarConfig,
+                  navBarDecoration: const NavBarDecoration(
+                    color: Colors.white,
+                    boxShadow: [
+                      BoxShadow(
+                          color: Colors.black12,
+                          blurRadius: 0.5,
+                          spreadRadius: 0.5),
+                    ],
+                  ),
+                ),
+                navBarOverlap: const NavBarOverlap.none(),
+                screenTransitionAnimation:
+                    const ScreenTransitionAnimation.none(),
+              ),
             ),
-          ),
-          navBarOverlap: const NavBarOverlap.none(),
-          screenTransitionAnimation: const ScreenTransitionAnimation.none(),
+          ],
         ),
       ),
     );