fix(routing): move clubs route to social branch

lib/core/router.dart

@@ -137,6 +137,23 @@ final appRouter = GoRouter(
                   path: 'friends',
                   builder: (context, state) => const FriendsScreen(),
                 ),
+                GoRoute(
+                  path: 'clubs',
+                  builder: (context, state) => const ClubsHubScreen(),
+                  routes: [
+                    GoRoute(
+                      path: 'create',
+                      builder: (context, state) => const CreateClubScreen(),
+                    ),
+                    GoRoute(
+                      path: ':id',
+                      builder: (context, state) {
+                        final id = state.pathParameters['id']!;
+                        return ClubDetailScreen(clubId: id);
+                      },
+                    ),
+                  ],
+                ),
               ],
             ),
           ],
@@ -163,23 +180,6 @@ final appRouter = GoRouter(
                   path: 'friends',
                   builder: (context, state) => const FriendsScreen(),
                 ),
-                GoRoute(
-                  path: 'clubs',
-                  builder: (context, state) => const ClubsHubScreen(),
-                  routes: [
-                    GoRoute(
-                      path: 'create',
-                      builder: (context, state) => const CreateClubScreen(),
-                    ),
-                    GoRoute(
-                      path: ':id',
-                      builder: (context, state) {
-                        final id = state.pathParameters['id']!;
-                        return ClubDetailScreen(clubId: id);
-                      },
-                    ),
-                  ],
-                ),
                 GoRoute(
                   path: 'diagnostics',
                   builder: (context, state) => const DiagnosticsScreen(),

test/router_test.dart

@@ -0,0 +1,35 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:motorcycle_dash/core/router.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('appRouter Route Configuration Tests', () {
+    test('routes include /social/clubs and subroutes', () {
+      final config = appRouter.configuration;
+      
+      // Verify match locations can be resolved without GoException
+      final matchClubs = config.findMatch(Uri.parse('/social/clubs'));
+      expect(matchClubs.matches.isNotEmpty, isTrue);
+
+      final matchCreate = config.findMatch(Uri.parse('/social/clubs/create'));
+      expect(matchCreate.matches.isNotEmpty, isTrue);
+
+      final matchDetail = config.findMatch(Uri.parse('/social/clubs/c123'));
+      expect(matchDetail.matches.isNotEmpty, isTrue);
+    });
+
+    test('routes include /social base and other social routes', () {
+      final config = appRouter.configuration;
+
+      final matchSocial = config.findMatch(Uri.parse('/social'));
+      expect(matchSocial.matches.isNotEmpty, isTrue);
+
+      final matchProfile = config.findMatch(Uri.parse('/social/profile'));
+      expect(matchProfile.matches.isNotEmpty, isTrue);
+
+      final matchFriends = config.findMatch(Uri.parse('/social/friends'));
+      expect(matchFriends.matches.isNotEmpty, isTrue);
+    });
+  });
+}