fix(flutter): 修复导航白线与观看记录错误透传

lib/core/data/services/watch_records_controller.dart

@@ -5,6 +5,7 @@ import 'package:flutter/foundation.dart';
 import '../models/drama.dart';
 import '../models/watch_progress.dart';
 import '../models/watch_record.dart';
+import '../remote/api_client.dart';
 import '../repositories/catalog_repository.dart';
 import '../repositories/watch_history_repository.dart';
 
@@ -47,8 +48,18 @@ class WatchRecordsController extends ChangeNotifier {
       records = _uniqueRecords(recent);
       _notify();
       await _hydrate(records.map((record) => record.dramaId).toList());
-    } catch (_) {
-      if (!_disposed) error = 'progressError';
+    } catch (failure, stackTrace) {
+      debugPrint(
+        '[WatchRecordsController] recent failed '
+        '${failure.runtimeType}: $failure',
+      );
+      debugPrintStack(
+        stackTrace: stackTrace,
+        label: '[WatchRecordsController] recent failed',
+      );
+      if (!_disposed) {
+        error = failure is ApiException ? failure.message : 'progressError';
+      }
     } finally {
       if (!_disposed) {
         loading = false;
@@ -169,7 +180,15 @@ class WatchRecordsController extends ChangeNotifier {
           detailFailed: false,
         ),
       );
-    } catch (_) {
+    } catch (failure, stackTrace) {
+      debugPrint(
+        '[WatchRecordsController] detail failed dramaId=$dramaId '
+        '${failure.runtimeType}: $failure',
+      );
+      debugPrintStack(
+        stackTrace: stackTrace,
+        label: '[WatchRecordsController] detail failed dramaId=$dramaId',
+      );
       if (_disposed) return;
       final current = _recordIndex(dramaId);
       if (current < 0) return;

lib/core/theme/app_colors.dart

@@ -17,4 +17,8 @@ abstract final class AppColors {
   static const bar = Color(0xFF101114);
   static const card = Color(0xFF17191F);
   static const muted = Color(0xFFB7BDC9);
+  static const outlineDark = Color(0xFF3A3C45);
+  static const outlineVariantDark = Color(0xFF242329);
+  static const outlineLight = Color(0xFF8A8E99);
+  static const outlineVariantLight = Color(0xFFD6D9E2);
 }

lib/core/theme/app_theme.dart

@@ -41,6 +41,8 @@ abstract final class AppTheme {
             onSecondaryContainer: AppColors.onPrimary,
             surface: _darkBackground,
             onSurface: Colors.white,
+            outline: AppColors.outlineDark,
+            outlineVariant: AppColors.outlineVariantDark,
             surfaceTint: AppColors.blueSoft,
             inversePrimary: AppColors.blueSoft,
           )
@@ -55,6 +57,8 @@ abstract final class AppTheme {
             onSecondaryContainer: AppColors.ink,
             surface: _lightBackground,
             onSurface: AppColors.ink,
+            outline: AppColors.outlineLight,
+            outlineVariant: AppColors.outlineVariantLight,
             surfaceTint: AppColors.blue,
             inversePrimary: AppColors.blueSoft,
           );

lib/pages/watch_records/watch_records_page.dart

@@ -371,6 +371,7 @@ class _FailureState extends StatelessWidget {
             ),
             const SizedBox(height: 14),
             FilledButton(
+              key: const Key('watch-records-retry'),
               onPressed: () => unawaited(onRetry()),
               child: Text(l10n.retry),
             ),