Add warp config generator

lib/features/config_option/model/config_option_failure.dart

@@ -14,6 +14,9 @@ sealed class ConfigOptionFailure with _$ConfigOptionFailure, Failure {
     StackTrace? stackTrace,
   ]) = ConfigOptionUnexpectedFailure;
 
+  @With<ExpectedFailure>()
+  const factory ConfigOptionFailure.missingWarp() = MissingWarpConfigFailure;
+
   @override
   ({String type, String? message}) present(TranslationsEn t) {
     return switch (this) {
@@ -21,6 +24,10 @@ sealed class ConfigOptionFailure with _$ConfigOptionFailure, Failure {
           type: t.failure.unexpected,
           message: null,
         ),
+      MissingWarpConfigFailure() => (
+          type: t.settings.config.missingWarpConfig,
+          message: null,
+        ),
     };
   }
 }