fix: 修正模型重構後遺漏的命名空間引用 (PointRule, Member, etc.)

app/Http/Controllers/Api/MemberController.php

@@ -3,8 +3,8 @@
 namespace App\Http\Controllers\Api;
 
 use App\Http\Controllers\Controller;
-use App\Models\Member;
-use App\Models\SocialAccount;
+use App\Models\Member\Member;
+use App\Models\Member\SocialAccount;
 use Illuminate\Http\Request;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Support\Facades\Hash;