Return URLs directly instead of downloading files

Gradio on HF Spaces can't serve files from temp directories.
Since images/videos are hosted on IPFS, return URLs directly.

src/ui/handlers.py

@@ -210,10 +210,8 @@ class Handlers:
                 )
 
                 if images:
-                    image_path = loop.run_until_complete(
-                        service.download_image(images[0])
-                    )
-                    return image_path, "Image generated successfully!"
+                    # Return URL directly - Gradio can display remote images
+                    return images[0].image_url, "Image generated successfully!"
                 else:
                     return None, "No image was generated. Please try a different prompt."
 
@@ -260,10 +258,8 @@ class Handlers:
                 )
 
                 if images:
-                    image_path = loop.run_until_complete(
-                        service.download_image(images[0])
-                    )
-                    return image_path, "Image edited successfully!"
+                    # Return URL directly - Gradio can display remote images
+                    return images[0].image_url, "Image edited successfully!"
                 else:
                     return None, "No edited image was generated. Please try again."
 
@@ -306,10 +302,8 @@ class Handlers:
                 )
 
                 if videos:
-                    video_path = loop.run_until_complete(
-                        service.download_video(videos[0])
-                    )
-                    return video_path, "Video generated successfully!"
+                    # Return URL directly - Gradio can display remote videos
+                    return videos[0].video_url, "Video generated successfully!"
                 else:
                     return None, "No video was generated. Please try a different prompt."
 
@@ -356,10 +350,8 @@ class Handlers:
                 )
 
                 if videos:
-                    video_path = loop.run_until_complete(
-                        service.download_video(videos[0])
-                    )
-                    return video_path, "Image animated successfully!"
+                    # Return URL directly - Gradio can display remote videos
+                    return videos[0].video_url, "Image animated successfully!"
                 else:
                     return None, "No video was generated. Please try again."