feat(app): 搜索改为调用后端并渲染卡片结果

lib/pages/discover/discover_view.dart

@@ -8,8 +8,10 @@ import '../../core/config/app_config.dart';
 import '../../core/data/models/drama.dart';
 import '../../core/data/models/home_feed.dart';
 import '../../core/data/models/watch_progress.dart';
+import '../../core/data/repositories/search_repository.dart';
 import '../../core/data/repositories/watch_history_repository.dart';
 import '../../core/data/services/category_controller.dart';
+import '../../core/formatting/error_text.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_dimens.dart';
 import '../../core/theme/app_theme.dart';
@@ -30,6 +32,7 @@ class DiscoverPage extends StatefulWidget {
     required this.duration,
     this.focusSearch = false,
     this.history,
+    this.searchRepository,
     this.embedded = false,
     this.active = true,
     this.searchRequest = 0,
@@ -48,6 +51,7 @@ class DiscoverPage extends StatefulWidget {
   final Duration duration;
   final bool focusSearch;
   final WatchHistoryRepository? history;
+  final SearchRepository? searchRepository;
   final bool embedded;
   final bool active;
   final int searchRequest;
@@ -74,6 +78,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
     logic = DiscoverBinding().create(
       drama: widget.drama,
       history: widget.history ?? context.read<WatchHistoryRepository>(),
+      search: widget.searchRepository ?? context.read<SearchRepository>(),
     );
     if (widget.focusSearch) {
       logic.searchOpen = true;
@@ -115,7 +120,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
     final l10n = AppLocalizations.of(context)!;
     final categories = context.watch<CategoryController>();
     final allDramas = [...?widget.dramas, ...categories.visibleDramas];
-    final visible = logic.filtered(categories.visibleDramas);
+    final visible = logic.visibleDramas(categories.visibleDramas);
     final content = SafeArea(
       bottom: !widget.embedded,
       child: Column(
@@ -235,7 +240,10 @@ class _DiscoverPageState extends State<DiscoverPage> {
           l10n: l10n,
           categories: categories,
           dramas: visible,
-          searching: logic.search.text.trim().isNotEmpty,
+          searching: logic.hasSearchQuery,
+          searchLoading: logic.searchLoading,
+          searchError: logic.searchError,
+          onRetrySearch: () => logic.retrySearch(),
           onOpen: (drama) => logic.openCard(
             context,
             drama,
@@ -329,6 +337,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
           controller: logic.search,
           focusNode: logic.searchFocus,
           onChanged: (_) => logic.onSearchChanged(),
+
           onTapOutside: (_) => logic.searchFocus.unfocus(),
           textInputAction: TextInputAction.search,
           style: const TextStyle(color: AppColors.onSurface, fontSize: 13),
@@ -343,6 +352,12 @@ class _DiscoverPageState extends State<DiscoverPage> {
               color: AppColors.subtle,
               size: 17,
             ),
+            suffixIcon: logic.searchLoading
+                ? const Padding(
+                    padding: EdgeInsets.all(11),
+                    child: CircularProgressIndicator(strokeWidth: 2),
+                  )
+                : null,
             contentPadding: const EdgeInsets.symmetric(horizontal: 12),
             enabledBorder: OutlineInputBorder(
               borderRadius: BorderRadius.circular(20),