fix(flutter): 调整播放页底部信息排版

test/player/player_fullscreen_test.dart

@@ -129,7 +129,7 @@ void main() {
     expect(find.byTooltip('Exit clear screen'), findsOneWidget);
     expect(
       tester.getSize(find.byKey(const Key('player-bottom-clear-screen'))),
-      const Size(30, 30),
+      const Size(40, 40),
     );
 
     await tester.tapAt(const Offset(80, 300));
@@ -204,6 +204,31 @@ void main() {
           .color,
       AppColors.playerOverlayPill,
     );
+    expect(
+      tester
+          .widget<Material>(find.byKey(const Key('player-episodes-pill')))
+          .borderRadius,
+      BorderRadius.circular(7),
+    );
+    expect(
+      tester
+          .widget<Text>(
+            find
+                .descendant(
+                  of: find.byKey(const Key('player-episodes-pill')),
+                  matching: find.byType(Text),
+                )
+                .first,
+          )
+          .style
+          ?.fontSize,
+      13.5,
+    );
+    expect(
+      tester.getSize(find.byKey(const Key('player-bottom-clear-screen'))),
+      const Size(40, 40),
+    );
+    expect(tester.widget<Slider>(find.byType(Slider)).padding, EdgeInsets.zero);
 
     expect(bottom.height, lessThanOrEqualTo(200));
     expect(bottom.top, greaterThanOrEqualTo(screenHeight * 0.78));
@@ -227,8 +252,10 @@ void main() {
     final expandedBottom = tester.getRect(
       find.byKey(const Key('player-controls-bottom')),
     );
-    expect(expandedBottom.height, lessThanOrEqualTo(200));
-    expect(expandedBottom.top, greaterThanOrEqualTo(screenHeight * 0.78));
+    // K29.9 展开态展示简介全文，高度会增长，但仍需留在画面下半区。
+    expect(expandedBottom.height, lessThanOrEqualTo(330));
+    expect(expandedBottom.top, greaterThanOrEqualTo(screenHeight * 0.5));
+    expect(tester.takeException(), isNull);
   });
 
   testWidgets('should_keep_series_clear_state_when_swiping_next_episode', (
@@ -258,6 +285,96 @@ void main() {
     expect(find.byKey(const Key('player-interaction-rail')), findsOneWidget);
   });
 
+  testWidgets('should_toggle_synopsis_with_inline_text_button', (tester) async {
+    await _pumpApp(tester);
+    await _openSeriesPlayer(tester);
+
+    final toggle = find.byKey(const Key('player-synopsis-toggle'));
+    final synopsis = find.byKey(const Key('player-synopsis'));
+    expect(
+      find.descendant(of: toggle, matching: find.text('More')),
+      findsOneWidget,
+    );
+    expect(tester.widget<Text>(synopsis).maxLines, 1);
+    expect(
+      tester.getRect(toggle).left - tester.getRect(synopsis).right,
+      lessThanOrEqualTo(4),
+    );
+
+    await tester.tap(toggle);
+    await tester.pumpAndSettle();
+    expect(
+      find.descendant(of: toggle, matching: find.text('Less')),
+      findsOneWidget,
+    );
+    expect(tester.widget<Text>(synopsis).maxLines, isNull);
+
+    await tester.tap(toggle);
+    await tester.pumpAndSettle();
+    expect(
+      find.descendant(of: toggle, matching: find.text('More')),
+      findsOneWidget,
+    );
+    expect(tester.widget<Text>(synopsis).maxLines, 1);
+  });
+
+  testWidgets('should_fit_long_title_and_synopsis_at_320_width', (
+    tester,
+  ) async {
+    final longCopy = Drama(
+      id: 'long-copy-demo',
+      title:
+          'An Extremely Long Drama Title That Keeps Going Beyond Any '
+          'Sensible Width On A Narrow Screen',
+      synopsis:
+          'A very long synopsis that keeps describing the story far beyond '
+          'the single line space available in the compact bottom panel of '
+          'the fullscreen player.',
+      posterUrl: '/files/long-copy-demo.png',
+      genre: 'Drama',
+      detailLoaded: true,
+      episodes: const [
+        Episode(
+          id: 'long-copy-demo-1',
+          number: 1,
+          title: 'Episode 1',
+          isFree: true,
+          videoUrl: 'https://example.test/long-demo-1.mp4',
+        ),
+      ],
+    );
+    await _pumpApp(
+      tester,
+      size: const Size(320, 568),
+      catalog: FakeCatalogRepository(dramas: [longCopy]),
+    );
+    await _openSeriesPlayer(
+      tester,
+      cardKey: const Key('home-drama-card-long-copy-demo'),
+    );
+
+    expect(tester.takeException(), isNull);
+    final title = tester.getRect(find.byKey(const Key('player-drama-title')));
+    final chevron = tester.getRect(
+      find.descendant(
+        of: find.byKey(const Key('player-open-detail')),
+        matching: find.byIcon(Icons.chevron_right_rounded),
+      ),
+    );
+    expect(chevron.left - title.right, lessThanOrEqualTo(6));
+    expect(chevron.right, lessThanOrEqualTo(320 - 14));
+    final synopsis = tester.widget<Text>(
+      find.byKey(const Key('player-synopsis')),
+    );
+    expect(synopsis.maxLines, 1);
+    expect(synopsis.overflow, TextOverflow.ellipsis);
+    expect(
+      tester.getRect(find.byKey(const Key('player-episodes-pill'))).right,
+      lessThanOrEqualTo(320 - 14 - 40 - 8),
+    );
+    expect(tester.takeException(), isNull);
+  });
+
   testWidgets('should_open_speed_sheet_and_apply_selected_speed', (
     tester,
   ) async {