init

Models/UserProvider.cs

@@ -0,0 +1,13 @@
+namespace AuthHex.Models;
+public class UserProvider
+{
+    public Guid ProviderId { get; set; }
+
+    public Guid UserId { get; set; }
+    public User User { get; set; } = null!;
+
+    public string? Provider { get; set; } // Google, facebook, etc.
+    public string? ProviderUserId { get; set; }
+
+    public DateTime LinkedAt { get; set; } = DateTime.UtcNow;
+}