fix：优化使用常用技术框架

lib/features/institutions/institutions_page.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
 
 import '../../data/api/report_data_source.dart';
+import '../../data/content_providers.dart';
 import '../../data/models/models.dart';
 import '../../routing/app_routes.dart';
 import '../../theme/wise_tokens.dart';
@@ -8,36 +10,43 @@ import '../../widgets/app_card.dart';
 import '../../widgets/badges.dart';
 import '../../widgets/states.dart';
 
-class InstitutionsPage extends StatefulWidget {
+class InstitutionsPage extends HookConsumerWidget {
   const InstitutionsPage({required this.dataSource, super.key});
 
   final ReportDataSource dataSource;
 
   @override
-  State<InstitutionsPage> createState() => _InstitutionsPageState();
-}
-
-class _InstitutionsPageState extends State<InstitutionsPage> {
-  late Future<List<Institution>> future = widget.dataSource.institutions();
-
-  @override
-  Widget build(BuildContext context) {
-    return FutureBuilder<List<Institution>>(
-      future: future,
-      builder: (context, snapshot) {
-        if (snapshot.connectionState != ConnectionState.done) return const LoadingState();
-        if (snapshot.hasError) return ErrorState(message: snapshot.error.toString(), onRetry: () => setState(() => future = widget.dataSource.institutions()));
-        final items = [...snapshot.data ?? const <Institution>[]]..sort((a, b) => b.reportCount.compareTo(a.reportCount));
-        if (items.isEmpty) return const EmptyState(title: '暂无机构信息', message: '稍后再试', icon: Icons.account_balance_outlined);
+  Widget build(BuildContext context, WidgetRef ref) {
+    final snapshot = ref.watch(institutionsProvider);
+    return snapshot.when(
+      loading: () => const LoadingState(),
+      error: (error, _) => ErrorState(
+        message: error.toString(),
+        onRetry: () => ref.invalidate(institutionsProvider),
+      ),
+      data: (items) {
+        final sorted = [...items]
+          ..sort((a, b) => b.reportCount.compareTo(a.reportCount));
+        if (sorted.isEmpty) {
+          return const EmptyState(
+            title: '暂无机构信息',
+            message: '稍后再试',
+            icon: Icons.account_balance_outlined,
+          );
+        }
         return ListView(
           padding: const EdgeInsets.all(WiseSpacing.x4),
           children: [
             Text('研报来源机构', style: Theme.of(context).textTheme.titleLarge),
             const SizedBox(height: WiseSpacing.x3),
-            for (final item in items) ...[
+            for (final item in sorted) ...[
               InstitutionCard(
                 institution: item,
-                onTap: () => openInstitutionDetail(context, widget.dataSource, item.id),
+                onTap: () => openInstitutionDetail(
+                  context,
+                  dataSource,
+                  item.id,
+                ),
               ),
               const SizedBox(height: WiseSpacing.x3),
             ],
@@ -56,7 +65,9 @@ class InstitutionCard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final initials = institution.nameCn.isEmpty ? '研' : institution.nameCn.characters.take(2).toString();
+    final initials = institution.nameCn.isEmpty
+        ? '研'
+        : institution.nameCn.characters.take(2).toString();
     return AppCard(
       onTap: onTap,
       child: Row(
@@ -66,23 +77,36 @@ class InstitutionCard extends StatelessWidget {
             radius: 25,
             backgroundColor: WiseColors.secondary200,
             foregroundColor: WiseColors.primary,
-            child: Text(initials, style: const TextStyle(fontWeight: FontWeight.w800)),
+            child: Text(
+              initials,
+              style: const TextStyle(fontWeight: FontWeight.w800),
+            ),
           ),
           const SizedBox(width: WiseSpacing.x3),
           Expanded(
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
-                Text(institution.nameCn, style: Theme.of(context).textTheme.titleMedium),
+                Text(
+                  institution.nameCn,
+                  style: Theme.of(context).textTheme.titleMedium,
+                ),
                 if (institution.nameEn.isNotEmpty)
-                  Text(institution.nameEn, maxLines: 1, overflow: TextOverflow.ellipsis, style: Theme.of(context).textTheme.bodySmall),
+                  Text(
+                    institution.nameEn,
+                    maxLines: 1,
+                    overflow: TextOverflow.ellipsis,
+                    style: Theme.of(context).textTheme.bodySmall,
+                  ),
                 const SizedBox(height: WiseSpacing.x2),
                 Wrap(
                   spacing: WiseSpacing.x2,
                   runSpacing: WiseSpacing.x2,
                   children: [
-                    if (institution.institutionType.isNotEmpty) AppBadge(text: institution.institutionType),
-                    for (final topic in institution.coveredTopics.take(3)) AppBadge(text: topic, kind: BadgeKind.brand),
+                    if (institution.institutionType.isNotEmpty)
+                      AppBadge(text: institution.institutionType),
+                    for (final topic in institution.coveredTopics.take(3))
+                      AppBadge(text: topic, kind: BadgeKind.brand),
                   ],
                 ),
               ],
@@ -91,7 +115,12 @@ class InstitutionCard extends StatelessWidget {
           const SizedBox(width: WiseSpacing.x2),
           Column(
             children: [
-              Text('${institution.reportCount}', style: Theme.of(context).textTheme.titleMedium?.copyWith(color: WiseColors.primary)),
+              Text(
+                '${institution.reportCount}',
+                style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                      color: WiseColors.primary,
+                    ),
+              ),
               Text('份研报', style: Theme.of(context).textTheme.bodySmall),
             ],
           ),