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;