add back 4.1

Author: Veikkosuhonen

src/config.ts

@@ -45,6 +45,10 @@ export const validModels = [
     name: 'gpt-4o-mini',
     context: 128_000,
   },
+  {
+    name: 'gpt-4.1',
+    context: 128_000,
+  },
   {
     name: 'gpt-5',
     context: 128_000,