refactor: Remove ICurrentUserService dependency from query handlers and update user ID handling logic

src/CMSMicroservice.Application/UserWalletCQ/Queries/GetUserWallet/GetUserWalletQueryHandler.cs

@@ -2,21 +2,19 @@ namespace CMSMicroservice.Application.UserWalletCQ.Queries.GetUserWallet;
 public class GetUserWalletQueryHandler : IRequestHandler<GetUserWalletQuery, GetUserWalletResponseDto>
 {
     private readonly IApplicationDbContext _context;
-    private readonly ICurrentUserService _currentUser;
 
-    public GetUserWalletQueryHandler(IApplicationDbContext context, ICurrentUserService currentUser)
+    public GetUserWalletQueryHandler(IApplicationDbContext context)
     {
         _context = context;
-        _currentUser = currentUser;
     }
 
     public async Task<GetUserWalletResponseDto> Handle(GetUserWalletQuery request,
         CancellationToken cancellationToken)
     {
-        // If Id is 0 or not provided, get the current authenticated user's ID
-        var userId = request.Id == 0 
-            ? (long.TryParse(_currentUser.UserId, out var currentUserId) ? currentUserId : 0)
-            : request.Id;
+        // UserId must be provided - customer endpoints resolve from JWT before calling
+        var userId = request.Id;
+        if (userId == 0)
+            throw new ArgumentException("UserId is required");
         
         var response = await _context.UserWallets
             .AsNoTracking()