feat(flutter): 去掉剧场封面角标并重做创作页

lib/pages/discover/widgets/drama_grid.dart

@@ -23,7 +23,6 @@ const double _tagChipFontSize = 11;
 const double _heatFontSize = 9;
 const double _heatIconSize = 11;
 const int _maxTags = 3;
-const Color _freeBadgeColor = Color(0xFF12B76A);
 const Color _heatBackground = Color(0x99000000);
 const Color _tagChipBackground = Color(0xFFF4F1EE);
 final RegExp _tagSplitter = RegExp(r'[,/、·]');
@@ -86,9 +85,6 @@ class DramaGridCard extends StatelessWidget {
   final Drama drama;
   final VoidCallback onTap;
 
-  bool get _isFree =>
-      drama.freeEpisodes > 0 || drama.episodes.any((episode) => episode.isFree);
-
   @override
   Widget build(BuildContext context) {
     return GestureDetector(
@@ -118,7 +114,6 @@ class DramaGridCard extends StatelessWidget {
           fit: StackFit.expand,
           children: [
             _DiscoverCoverImage(path: drama.posterUrl),
-            Positioned(top: 8, left: 8, child: _tagBadge()),
             Positioned(left: 8, bottom: 8, child: _heatBadge()),
           ],
         ),
@@ -126,25 +121,6 @@ class DramaGridCard extends StatelessWidget {
     );
   }
 
-  Widget _tagBadge() {
-    return Container(
-      key: Key('drama-tag-${drama.id}'),
-      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
-      decoration: BoxDecoration(
-        color: _freeBadgeColor,
-        borderRadius: BorderRadius.circular(AppDimens.pillRadius),
-      ),
-      child: Text(
-        _isFree ? l10n.free : l10n.originalTag,
-        style: const TextStyle(
-          color: AppColors.onPrimary,
-          fontSize: 10,
-          fontWeight: FontWeight.w700,
-        ),
-      ),
-    );
-  }
-
   Widget _heatBadge() {
     return Container(
       key: Key('drama-heat-${drama.id}'),