Handle unsupported auth types with NotImplementedException

Throw NotImplementedException for unsupported authentication types
in InvokeRecActionCommandHandler, including details like ProfileId
and Id in the exception message for easier debugging. This prevents
silent failures when encountering unknown authentication methods.

src/ReC.Application/RecActions/Commands/InvokeRecActionCommand.cs

@@ -107,10 +107,15 @@ public class InvokeRecActionCommandHandler(
             case "Digest Auth":
             case "OAuth 1.0":
             case "AWS Signature":
-                // These authentication methods require more complex implementations,
+            // These authentication methods require more complex implementations,
-                // often involving multi-step handshakes or specialized libraries.
+            // often involving multi-step handshakes or specialized libraries.
-                // They are left as placeholders for future implementation.
+            // They are left as placeholders for future implementation.
-                break;
+            default:
+                throw new NotImplementedException(
+                    $"The authentication type '{action.EndpointAuthType}' is not supported yet. " +
+                    $"ProfileId: {action.ProfileId}, " +
+                    $"Id: {action.Id}"
+                );
         }
 
         using var response = await http.SendAsync(httpReq, cancel);