merge: 固定全部短剧筛选区并统一间距

docs/plans/PROGRESS.md

@@ -1212,3 +1212,4 @@ $ flutter test
 - 四行筛选统一 28 高、8 行距、24 项目间距；选中 chip 改为 `#4A1E1E`、白字 13/w600、圆角 14。
 - 最热/最新改为纯文字选中态，三横线筛选固定在右端；网格改为左右 12、列距 6、行距 12。
 - 第三行筛选完整展示，卡片继续复用首页组件；`flutter analyze`：No issues found。
+- 筛选项字号提升到 15、圆角 15；筛选区移出滚动容器并固定吸顶，下拉刷新仅作用于网格。

lib/core/theme/app_dimens.dart

@@ -137,9 +137,9 @@ abstract final class AppDimens {
   static const double recommendCardWidth = 122;
 
   /// 全部短剧筛选与追剧双列。
-  static const double filterChipFont = 13;
+  static const double filterChipFont = 15;
   static const double filterChipHeight = 28;
-  static const double filterChipRadius = 14;
+  static const double filterChipRadius = 15;
   static const double filterChipHorizontalPadding = 12;
   static const double filterRowGap = 8;
   static const double filterItemGap = 24;

lib/pages/recommend/widgets/all_dramas_filter_grid.dart

@@ -55,72 +55,84 @@ class _AllDramasFilterGridState extends State<AllDramasFilterGrid> {
         final itemExtent =
             itemWidth / AppDimens.cardCoverAspectRatio +
             AppDimens.homeCardBodyExtent;
-        return NotificationListener<ScrollNotification>(
-          onNotification: _onScroll,
-          child: AppPullToRefresh(
-            key: const Key('all-dramas-refresh'),
-            onRefresh: () async {
-              await widget.feedController.refreshCurrent();
-            },
-            child: CustomScrollView(
-              key: const Key('all-dramas-scroll'),
-              physics: AppPullToRefresh.physics,
-              slivers: [
-                SliverToBoxAdapter(child: _filters(l10n)),
-                if (dramas.isEmpty)
-                  SliverFillRemaining(
-                    hasScrollBody: false,
-                    child: EmptyState(
-                      key: const Key('all-dramas-empty'),
-                      icon: Icons.movie_filter_outlined,
-                      title: l10n.homeGridFilterEmpty,
-                      actionLabel: l10n.homeGridClearFilter,
-                      onAction: () => setState(() {
-                        _region = 'all';
-                        _audio = 'all';
-                        _genre = null;
-                      }),
-                    ),
-                  )
-                else
-                  SliverPadding(
-                    padding: const EdgeInsets.symmetric(
-                      horizontal: AppDimens.allDramasHorizontal,
-                    ),
-                    sliver: SliverGrid(
-                      key: const Key('all-dramas-grid'),
-                      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
-                        crossAxisCount: 3,
-                        crossAxisSpacing: AppDimens.allDramasGridGap,
-                        mainAxisSpacing: AppDimens.allDramasGridRowGap,
-                        mainAxisExtent: itemExtent,
-                      ),
-                      delegate: SliverChildBuilderDelegate(
-                        (context, index) => HomeFeedCard(
-                          drama: dramas[index],
-                          onTap: () => widget.onOpenDrama(dramas[index]),
+        return Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            _filters(l10n),
+            Expanded(
+              child: NotificationListener<ScrollNotification>(
+                onNotification: _onScroll,
+                child: AppPullToRefresh(
+                  key: const Key('all-dramas-refresh'),
+                  onRefresh: () async {
+                    await widget.feedController.refreshCurrent();
+                  },
+                  child: CustomScrollView(
+                    key: const Key('all-dramas-scroll'),
+                    physics: AppPullToRefresh.physics,
+                    slivers: [
+                      if (dramas.isEmpty)
+                        SliverFillRemaining(
+                          hasScrollBody: false,
+                          child: EmptyState(
+                            key: const Key('all-dramas-empty'),
+                            icon: Icons.movie_filter_outlined,
+                            title: l10n.homeGridFilterEmpty,
+                            actionLabel: l10n.homeGridClearFilter,
+                            onAction: () => setState(() {
+                              _region = 'all';
+                              _audio = 'all';
+                              _genre = null;
+                            }),
+                          ),
+                        )
+                      else
+                        SliverPadding(
+                          padding: const EdgeInsets.symmetric(
+                            horizontal: AppDimens.allDramasHorizontal,
+                          ),
+                          sliver: SliverGrid(
+                            key: const Key('all-dramas-grid'),
+                            gridDelegate:
+                                SliverGridDelegateWithFixedCrossAxisCount(
+                                  crossAxisCount: 3,
+                                  crossAxisSpacing: AppDimens.allDramasGridGap,
+                                  mainAxisSpacing:
+                                      AppDimens.allDramasGridRowGap,
+                                  mainAxisExtent: itemExtent,
+                                ),
+                            delegate: SliverChildBuilderDelegate(
+                              (context, index) => HomeFeedCard(
+                                drama: dramas[index],
+                                onTap: () => widget.onOpenDrama(dramas[index]),
+                              ),
+                              childCount: dramas.length,
+                            ),
+                          ),
+                        ),
+                      SliverToBoxAdapter(
+                        child: Padding(
+                          padding: const EdgeInsets.only(
+                            bottom: AppDimens.spaceXl,
+                          ),
+                          child: PagedListFooter(
+                            loading: widget.feedController.loadingMore,
+                            hasMore: widget.feedController.hasMore,
+                            hasItems: dramas.isNotEmpty,
+                            errorMessage:
+                                widget.feedController.lastError == null
+                                ? null
+                                : l10n.catalogError,
+                            onRetry: widget.feedController.loadMore,
+                          ),
                         ),
-                        childCount: dramas.length,
                       ),
-                    ),
-                  ),
-                SliverToBoxAdapter(
-                  child: Padding(
-                    padding: const EdgeInsets.only(bottom: AppDimens.spaceXl),
-                    child: PagedListFooter(
-                      loading: widget.feedController.loadingMore,
-                      hasMore: widget.feedController.hasMore,
-                      hasItems: dramas.isNotEmpty,
-                      errorMessage: widget.feedController.lastError == null
-                          ? null
-                          : l10n.catalogError,
-                      onRetry: widget.feedController.loadMore,
-                    ),
+                    ],
                   ),
                 ),
-              ],
+              ),
             ),
-          ),
+          ],
         );
       },
     );
@@ -304,7 +316,11 @@ class _AllDramasFilterGridState extends State<AllDramasFilterGrid> {
       onTap: onTap,
       child: SizedBox(
         height: AppDimens.filterChipHeight,
-        child: Center(
+        child: Container(
+          padding: const EdgeInsets.symmetric(
+            horizontal: AppDimens.filterChipHorizontalPadding,
+          ),
+          alignment: Alignment.center,
           child: Text(
             label,
             style: TextStyle(

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