fix(player): 评论总数含回复并改用相对时间

test/comment/drama_comments_sheet_test.dart

@@ -142,6 +142,45 @@ void main() {
     expect(repository.pageCalls.last.cursor, '10');
   });
 
+  testWidgets('should_show_server_total_that_includes_replies', (tester) async {
+    final repository = FakeCommentRepository(
+      pages: [
+        CommentPage(
+          comments: [
+            commentFixture(id: '10', content: 'Root one'),
+            commentFixture(id: '11', content: 'Root two'),
+          ],
+        ),
+      ],
+      countResult: 9,
+    );
+
+    await _pumpSheet(tester, repository: repository);
+
+    expect(find.text('9 comments'), findsOneWidget);
+    expect(repository.countCalls, ['5']);
+  });
+
+  testWidgets('should_fall_back_to_exact_count_when_server_total_fails', (
+    tester,
+  ) async {
+    final repository = FakeCommentRepository(
+      pages: [
+        CommentPage(
+          comments: [
+            commentFixture(id: '10', content: 'Root one'),
+            commentFixture(id: '11', content: 'Root two'),
+          ],
+        ),
+      ],
+      countError: StateError('offline'),
+    );
+
+    await _pumpSheet(tester, repository: repository);
+
+    expect(find.text('2 comments'), findsOneWidget);
+  });
+
   testWidgets('should_show_compact_empty_state_when_no_comments_exist', (
     tester,
   ) async {
@@ -185,6 +224,7 @@ void main() {
     final repository = FakeCommentRepository(
       pages: [const CommentPage()],
       publishResult: commentFixture(id: '11', content: 'Nice demo', mine: true),
+      countResult: 1,
     );
 
     await _pumpSheet(tester, repository: repository);
@@ -197,6 +237,7 @@ void main() {
     await tester.pumpAndSettle();
 
     expect(tester.widget<TextField>(input).focusNode?.hasFocus, isFalse);
+    expect(repository.countCalls, ['5', '5']);
   });
 
   testWidgets('should_use_polished_comment_sizes', (tester) async {

test/formatting/relative_date_time_test.dart

@@ -0,0 +1,57 @@
+// Author: fruit.com.cn
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/formatting/relative_date_time.dart';
+import 'package:fruitshorts/l10n/app_localizations_en.dart';
+
+void main() {
+  final l10n = AppLocalizationsEn();
+  final now = DateTime(2026, 10, 21, 12);
+
+  test('should_show_just_now_under_one_minute', () {
+    expect(
+      formatRelativeDateTime(
+        now.subtract(const Duration(seconds: 59)),
+        l10n,
+        now: now,
+      ),
+      'Just now',
+    );
+  });
+
+  test('should_use_minutes_below_sixty_minutes', () {
+    expect(
+      formatRelativeDateTime(
+        now.subtract(const Duration(minutes: 59)),
+        l10n,
+        now: now,
+      ),
+      '59 min ago',
+    );
+  });
+
+  test('should_use_hours_below_twenty_four_hours', () {
+    expect(
+      formatRelativeDateTime(
+        now.subtract(const Duration(hours: 23)),
+        l10n,
+        now: now,
+      ),
+      '23 hours ago',
+    );
+  });
+
+  test('should_use_month_and_day_for_same_year', () {
+    expect(
+      formatRelativeDateTime(DateTime(2026, 9, 3), l10n, now: now),
+      '09-03',
+    );
+  });
+
+  test('should_use_full_date_for_previous_year', () {
+    expect(
+      formatRelativeDateTime(DateTime(2025, 12, 31), l10n, now: now),
+      '2025-12-31',
+    );
+  });
+}

test/player/player_fullscreen_test.dart

@@ -198,11 +198,12 @@ void main() {
     await tester.tap(find.byKey(const Key('player-rail-comments')));
     await tester.pumpAndSettle();
     expect(find.byKey(const Key('player-comments-sheet')), findsOneWidget);
+    expect(find.text('97 comments'), findsOneWidget);
 
     await tester.binding.handlePopRoute();
     await tester.pumpAndSettle();
 
-    expect(comments.countCalls, ['city-lights-demo']);
+    expect(comments.countCalls, ['city-lights-demo', 'city-lights-demo']);
     expect(
       tester
           .widget<Text>(find.byKey(const Key('player-rail-comments-count')))

test/support/fake_interaction_repositories.dart

@@ -42,7 +42,7 @@ class FakeCommentRepository implements CommentRepository {
     this.publishError,
     this.deleteError,
     this.pageError,
-    this.countResult = 0,
+    this.countResult,
     this.countError,
   }) : pages = pages ?? const [];
 
@@ -51,7 +51,7 @@ class FakeCommentRepository implements CommentRepository {
   final Object? publishError;
   final Object? deleteError;
   final Object? pageError;
-  final int countResult;
+  final int? countResult;
   final Object? countError;
   final List<CommentPageCall> pageCalls = [];
   final List<PublishCall> publishCalls = [];
@@ -85,7 +85,9 @@ class FakeCommentRepository implements CommentRepository {
     countCalls.add(dramaId);
     final error = countError;
     if (error != null) throw error;
-    return countResult;
+    final result = countResult;
+    if (result == null) throw StateError('comment count unavailable');
+    return result;
   }
 
   @override