try url

src/lib/components/PicletGenerator/PicletGenerator.svelte

@@ -302,8 +302,15 @@ Focus on: colors, body shape, eyes, limbs, mouth, and key visual features. Omit
     }
     
     try {
+      // Convert File to data URL for Gradio
+      const imageDataUrl = await new Promise((resolve) => {
+        const reader = new FileReader();
+        reader.onload = () => resolve(reader.result);
+        reader.readAsDataURL(workflowState.userImage);
+      });
+      
       const output = await joyCaptionClient.predict(0, [
-        workflowState.userImage,  // input_image
+        imageDataUrl,            // input_image as data URL
         "Descriptive",           // caption_type
         "long",                  // caption_length  
         [],                      // extra_options