feat(auth): replace TOTP with phone-first login

Tiku.Infrastructure/Bootstrap/DevelopmentPlatformAdminSeeder.cs

@@ -92,8 +92,7 @@ public static class DevelopmentPlatformAdminSeeder
             Name = "Local Platform Administrator",
             EmailConfirmed = true,
             Status = UserStatus.Active,
-            ForcePasswordChange = true,
-            TwoFactorEnabled = false
+            ForcePasswordChange = true
         };
         var passwordHasher = new PasswordHasher<User>(Options.Create(new PasswordHasherOptions
         {
@@ -145,7 +144,6 @@ public static class DevelopmentPlatformAdminSeeder
                 user.Email,
                 RoleCode,
                 ForcePasswordChange = true,
-                MfaEnrollmentRequired = true,
                 Source = "ef_core_use_seeding"
             })
         });
@@ -187,6 +185,6 @@ public static class DevelopmentPlatformAdminSeeder
         Console.WriteLine("Development platform administrator created by EF Core data seeding.");
         Console.WriteLine($"  Account: {Email}");
         Console.WriteLine($"  Temporary password: {temporaryPassword}");
-        Console.WriteLine("  Change the password and enroll TOTP MFA at first sign-in. This password is shown only once.");
+        Console.WriteLine("  Change the temporary password at first sign-in. This password is shown only once.");
     }
 }