Update image generation model

src/commands/image.ts

@@ -39,7 +39,7 @@ export async function execute(
   try {
     // Create image generation prediction
     const prediction = await replicate.predictions.create({
-      model: 'black-forest-labs/flux-schnell',
+      model: 'black-forest-labs/flux-1.1-pro-ultra',
       input: { prompt },
     });