fix(player): 评论面板自适应高度并只顶起输入框

test/comment/drama_comments_sheet_test.dart

@@ -305,6 +305,101 @@ void main() {
     );
   });
 
+  testWidgets('should_size_short_list_to_content', (tester) async {
+    tester.view.physicalSize = const Size(390, 844);
+    tester.view.devicePixelRatio = 1;
+    addTearDown(tester.view.resetPhysicalSize);
+    addTearDown(tester.view.resetDevicePixelRatio);
+    final repository = FakeCommentRepository(
+      pages: [
+        CommentPage(
+          comments: [
+            commentFixture(id: '10', content: 'Short list one'),
+            commentFixture(id: '11', content: 'Short list two'),
+          ],
+        ),
+      ],
+    );
+
+    await _pumpSheet(tester, repository: repository);
+
+    final sheet = find.byKey(const Key('player-comments-sheet'));
+    expect(tester.getSize(sheet).height, lessThan(520));
+    final lastCommentBottom = tester
+        .getBottomLeft(find.byKey(const Key('comment-item-11')))
+        .dy;
+    final composerTop = tester
+        .getTopLeft(find.byKey(const Key('comment-composer')))
+        .dy;
+    expect(composerTop - lastCommentBottom, lessThan(80));
+  });
+
+  testWidgets('should_keep_minimum_height_for_empty_state', (tester) async {
+    final repository = FakeCommentRepository(pages: [const CommentPage()]);
+
+    await _pumpSheet(tester, repository: repository);
+
+    expect(
+      tester.getSize(find.byKey(const Key('player-comments-sheet'))).height,
+      greaterThanOrEqualTo(220),
+    );
+  });
+
+  testWidgets('should_keep_long_comment_list_scrollable', (tester) async {
+    tester.view.physicalSize = const Size(390, 844);
+    tester.view.devicePixelRatio = 1;
+    addTearDown(tester.view.resetPhysicalSize);
+    addTearDown(tester.view.resetDevicePixelRatio);
+    final repository = FakeCommentRepository(
+      pages: [CommentPage(comments: _comments(30))],
+    );
+
+    await _pumpSheet(tester, repository: repository);
+    final scrolledComment = find.byKey(const Key('comment-item-12'));
+    final before = tester.getTopLeft(scrolledComment).dy;
+
+    await tester.drag(
+      find.byKey(const Key('comment-list')),
+      const Offset(0, -300),
+    );
+    await tester.pumpAndSettle();
+
+    expect(tester.getTopLeft(scrolledComment).dy, lessThan(before));
+    expect(
+      tester.getSize(find.byKey(const Key('player-comments-sheet'))).height,
+      520,
+    );
+  });
+
+  testWidgets('should_keep_sheet_fixed_and_move_only_composer_for_keyboard', (
+    tester,
+  ) async {
+    tester.view.physicalSize = const Size(390, 844);
+    tester.view.devicePixelRatio = 1;
+    addTearDown(tester.view.resetPhysicalSize);
+    addTearDown(tester.view.resetDevicePixelRatio);
+    addTearDown(tester.view.resetViewInsets);
+    final repository = FakeCommentRepository(
+      pages: [CommentPage(comments: _comments(30))],
+    );
+
+    await _pumpSheet(tester, repository: repository);
+    final sheet = find.byKey(const Key('player-comments-sheet'));
+    final input = find.byKey(const Key('comment-composer'));
+    final first = find.byKey(const Key('comment-item-10'));
+    final sheetTop = tester.getTopLeft(sheet).dy;
+    final inputTop = tester.getTopLeft(input).dy;
+    final firstTop = tester.getTopLeft(first).dy;
+
+    tester.view.viewInsets = const FakeViewPadding(bottom: 180);
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 160));
+
+    expect(tester.getTopLeft(sheet).dy, closeTo(sheetTop, 0.1));
+    expect(tester.getTopLeft(first).dy, closeTo(firstTop, 0.1));
+    expect(tester.getTopLeft(input).dy, lessThan(inputTop - 100));
+  });
+
   testWidgets('should_hide_comment_like_controls', (tester) async {
     final repository = FakeCommentRepository(
       pages: [
@@ -560,7 +655,11 @@ Future<AuthController> _pumpSheet(
           '/': (_) => const Scaffold(backgroundColor: AppColors.ink),
           '/comments': (_) => const Scaffold(
             backgroundColor: AppColors.ink,
-            body: DramaCommentsSheet(drama: _drama),
+            resizeToAvoidBottomInset: false,
+            body: Align(
+              alignment: Alignment.bottomCenter,
+              child: DramaCommentsSheet(drama: _drama),
+            ),
           ),
         },
       ),
@@ -602,6 +701,11 @@ Future<AuthController> _auth() async {
   return auth;
 }
 
+List<DramaComment> _comments(int count) => [
+  for (var index = 0; index < count; index++)
+    commentFixture(id: '${index + 10}', content: 'Comment ${index + 1}'),
+];
+
 class _TestAuthController extends AuthController {
   _TestAuthController(super.api, super.store, {required this._signedIn});