修复工作人员端令牌失效后的登录恢复

apps/service_app/lib/ui/features/work/work_detail_page.dart

@@ -1,3 +1,5 @@
+// 功能描述：展示工作人员任务详情，并安全处理业务操作、刷新和会话失效。
+// 版本：1.1.0
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:image_picker/image_picker.dart';
@@ -6,6 +8,7 @@ import 'package:uuid/uuid.dart';
 import '../../../app/dependencies.dart';
 import '../../../data/offline/encrypted_draft_store.dart';
 import '../../../data/repositories/service_repository.dart';
+import '../../../data/services/api_client.dart';
 import '../../../domain/models/service_models.dart';
 import '../../core/widgets.dart';
 
@@ -41,6 +44,14 @@ class _WorkDetailPageState extends State<WorkDetailPage> {
       ? widget.repository.deliveryDetail(widget.identity)
       : widget.repository.ticketDetail(widget.identity);
 
+  /// 创建新的加载任务，并在同步状态回调中替换页面 Future。
+  void _reload() {
+    final future = _load();
+    setState(() {
+      _future = future;
+    });
+  }
+
   Future<void> _run(
     Future<void> Function(WorkItem) action,
     WorkItem item,
@@ -48,7 +59,9 @@ class _WorkDetailPageState extends State<WorkDetailPage> {
     setState(() => _busy = true);
     try {
       await action(item);
-      setState(() => _future = _load());
+      if (mounted) _reload();
+    } on SessionExpiredException {
+      return;
     } catch (error) {
       if (mounted) {
         ScaffoldMessenger.of(
@@ -152,7 +165,9 @@ class _WorkDetailPageState extends State<WorkDetailPage> {
         proofFile: temporaryFile,
       );
       await widget.drafts.deleteDraft(widget.session.identity, item.identity);
-      if (mounted) setState(() => _future = _load());
+      if (mounted) _reload();
+    } on SessionExpiredException {
+      return;
     } catch (error) {
       if (mounted) {
         ScaffoldMessenger.of(
@@ -175,10 +190,13 @@ class _WorkDetailPageState extends State<WorkDetailPage> {
       builder: (context, snapshot) {
         if (!snapshot.hasData) {
           if (snapshot.hasError) {
+            if (snapshot.error is SessionExpiredException) {
+              return const Center(child: CircularProgressIndicator());
+            }
             return MessageState(
               title: '任务详情加载失败',
               description: '请检查网络后重新加载',
-              onRetry: () => setState(() => _future = _load()),
+              onRetry: _reload,
             );
           }
           return const Center(child: CircularProgressIndicator());
@@ -292,7 +310,7 @@ class _WorkDetailPageState extends State<WorkDetailPage> {
                           final changed = await context.push<bool>(
                             '/tasks/${item.identity}/evidence',
                           );
-                          if (changed == true) setState(() => _future = _load());
+                          if (changed == true && mounted) _reload();
                         },
                   icon: const Icon(Icons.fact_check_outlined),
                   label: const Text('现场取证与提交'),

apps/service_app/lib/ui/features/work/work_list_view_model.dart

@@ -1,6 +1,9 @@
+// 功能描述：管理工作人员任务列表数据，并将会话失效交给统一路由处理。
+// 版本：1.1.0
 import 'package:flutter/foundation.dart';
 
 import '../../../data/repositories/service_repository.dart';
+import '../../../data/services/api_client.dart';
 import '../../../domain/models/service_models.dart';
 
 class WorkListViewModel extends ChangeNotifier {
@@ -27,7 +30,8 @@ class WorkListViewModel extends ChangeNotifier {
           .where((item) => completed ? item.status == 23 : item.status != 23 && item.status != 22)
           .toList();
     } catch (error) {
-      _error = error;
+      // 会话失效由统一路由接管，不在任务列表重复展示网络错误。
+      if (error is! SessionExpiredException) _error = error;
     } finally {
       _loading = false;
       notifyListeners();