fix(recommend): 固定全部短剧筛选区并统一间距

test/recommend/recommend_sections_test.dart

@@ -248,6 +248,55 @@ void main() {
     for (var row = 0; row < 4; row++) {
       expect(find.byKey(Key('all-filter-row-$row')), findsOneWidget);
     }
+    final filterStarts = [
+      for (var row = 0; row < 4; row++)
+        tester.getRect(find.byKey(Key('all-filter-row-$row'))).left,
+    ];
+    expect(
+      filterStarts,
+      everyElement(closeTo(AppDimens.feedPageHorizontal, 0.1)),
+    );
+    for (var row = 0; row < 3; row++) {
+      expect(
+        tester.getSize(find.byKey(Key('all-filter-row-$row'))).height,
+        AppDimens.filterChipHeight + AppDimens.filterRowGap,
+      );
+    }
+    expect(
+      tester.getSize(find.byKey(const Key('all-filter-row-3'))).height,
+      AppDimens.filterChipHeight,
+    );
+    expect(
+      tester.getRect(find.byKey(const Key('all-dramas-scroll'))).top -
+          tester.getRect(find.byKey(const Key('all-dramas-filters'))).bottom,
+      closeTo(AppDimens.allDramasFilterToGridGap, 0.1),
+    );
+    expect(
+      find.descendant(
+        of: find.byKey(const Key('all-dramas-refresh')),
+        matching: find.byKey(const Key('all-dramas-filters')),
+      ),
+      findsNothing,
+    );
+    expect(
+      find.descendant(
+        of: find.byKey(const Key('all-dramas-scroll')),
+        matching: find.byKey(const Key('all-dramas-grid')),
+      ),
+      findsOneWidget,
+    );
+    final fixedFilterTop = tester
+        .getRect(find.byKey(const Key('all-dramas-filters')))
+        .top;
+    await tester.drag(
+      find.byKey(const Key('all-dramas-scroll')),
+      const Offset(0, -120),
+    );
+    await tester.pump();
+    expect(
+      tester.getRect(find.byKey(const Key('all-dramas-filters'))).top,
+      closeTo(fixedFilterTop, 0.1),
+    );
     expect(find.byKey(const Key('all-filter-local')), findsOneWidget);
     expect(find.byKey(const Key('all-filter-subtitles')), findsOneWidget);
     for (final key in [
@@ -259,10 +308,24 @@ void main() {
     ]) {
       expect(find.byKey(Key(key)), findsOneWidget);
     }
+    final rowZero = find.byKey(const Key('all-filter-row-0'));
+    final rowZeroAll = find.descendant(
+      of: rowZero,
+      matching: find.byKey(const Key('all-filter-all')),
+    );
+    final rowZeroLocal = find.descendant(
+      of: rowZero,
+      matching: find.byKey(const Key('all-filter-local')),
+    );
+    expect(
+      tester.getTopLeft(rowZeroLocal).dx - tester.getTopRight(rowZeroAll).dx,
+      AppDimens.filterItemGap,
+    );
     await tester.tap(find.byKey(const Key('all-filter-local')));
     await tester.pumpAndSettle();
     expect(find.byKey(const Key('all-dramas-empty')), findsOneWidget);
     expect(_textStyle(tester, 'Local').fontWeight, FontWeight.w600);
+    expect(_textStyle(tester, 'Local').fontSize, AppDimens.filterChipFont);
     expect(_textStyle(tester, 'Local').color, AppColors.textPrimary);
     final selectedChip = tester.widget<Container>(
       find