Implemented GetUserEndpoint

PostFundManagement.Application/Services/Users/UserService.cs

@@ -99,4 +99,22 @@ public sealed class UserService(IDbContextFactory<ApplicationDbContext> contextF
             return Result.Fail(new Error(ex.Message).CausedBy(ex));
         }
     }
+
+    public async Task<Result<User>> GetUserAsync(Guid userId, CancellationToken cancellationToken)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var user = await context.Users.AsNoTracking().FirstOrDefaultAsync(f => f.Id == userId, cancellationToken);
+
+            return user is not null
+                ? Result.Ok(user.Map())
+                : Result.Fail("Failed to find specific user.");
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
 }