fix(favorite): 统一收藏状态与互动图标

test/home/home_preview_layout_test.dart

@@ -323,19 +323,59 @@ void main() {
       tester.widget<Text>(find.byKey(const Key('rail-save-count'))).data,
       '3.2万',
     );
-    expect(
+    final likeImage = tester.widget<Image>(
       find.descendant(
         of: find.byKey(const Key('rail-like')),
-        matching: find.byIcon(Icons.favorite_rounded),
+        matching: find.byType(Image),
       ),
-      findsOneWidget,
     );
-    expect(
+    final saveImage = tester.widget<Image>(
       find.descendant(
         of: find.byKey(const Key('rail-save')),
-        matching: find.byIcon(Icons.bookmark_border_rounded),
+        matching: find.byType(Image),
       ),
-      findsOneWidget,
+    );
+    expect(
+      (likeImage.image as AssetImage).assetName,
+      'assets/icon/rail/rail_like.png',
+    );
+    expect(likeImage.color, AppColors.doubleTapHeartRed);
+    expect(
+      (saveImage.image as AssetImage).assetName,
+      'assets/icon/rail/rail_save.png',
+    );
+    expect(saveImage.color, AppColors.onPrimary);
+    expect(find.byKey(const Key('rail-comments')), findsOneWidget);
+    expect(find.byKey(const Key('rail-share')), findsOneWidget);
+    expect(
+      tester.widget<Text>(find.byKey(const Key('rail-comments-count'))).data,
+      '12',
+    );
+    expect(
+      (tester
+                  .widget<Image>(
+                    find.descendant(
+                      of: find.byKey(const Key('rail-comments')),
+                      matching: find.byType(Image),
+                    ),
+                  )
+                  .image
+              as AssetImage)
+          .assetName,
+      'assets/icon/rail/rail_comment.png',
+    );
+    expect(
+      (tester
+                  .widget<Image>(
+                    find.descendant(
+                      of: find.byKey(const Key('rail-share')),
+                      matching: find.byType(Image),
+                    ),
+                  )
+                  .image
+              as AssetImage)
+          .assetName,
+      'assets/icon/rail/rail_share.png',
     );
     expect(find.byKey(const Key('rail-episodes')), findsOneWidget);
     expect(
@@ -345,9 +385,6 @@ void main() {
       ),
       findsOneWidget,
     );
-    expect(find.byKey(const Key('rail-comments')), findsNothing);
-    expect(find.byKey(const Key('rail-share')), findsNothing);
-    expect(find.text('Comments'), findsNothing);
     expect(
       tester.getRect(find.byKey(const Key('home-feed-action-rail'))).right,
       closeTo(
@@ -672,7 +709,10 @@ void main() {
     final previewDecoration = previewContainer.decoration! as BoxDecoration;
     expect(previewDecoration.color, AppColors.card);
     expect(previewDecoration.borderRadius, BorderRadius.circular(8));
-    expect((previewDecoration.border! as Border).top.color, AppColors.onPrimary);
+    expect(
+      (previewDecoration.border! as Border).top.color,
+      AppColors.onPrimary,
+    );
     await gesture.moveBy(const Offset(-600, 0));
     await tester.pump();
     expect(