Restrict input to file upload only

- Added sources=['upload'] to input image component
- Disabled webcam and clipboard paste options
- Set output image to interactive=False for cleaner interface
- Focuses user experience on satellite image file uploads

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app.py

@@ -757,10 +757,20 @@ with gr.Blocks(css=css, title="HAT Super-Resolution for Satellite Images") as if
 
     with gr.Row():
         with gr.Column():
-            input_image = gr.Image(type="pil", label="Input Satellite Image", elem_classes="image-container")
+            input_image = gr.Image(
+                type="pil",
+                label="Input Satellite Image",
+                elem_classes="image-container",
+                sources=["upload"]
+            )
 
         with gr.Column():
-            output_image = gr.Image(type="pil", label="Enhanced Output (4x Super-Resolution)", elem_classes="image-container")
+            output_image = gr.Image(
+                type="pil",
+                label="Enhanced Output (4x Super-Resolution)",
+                elem_classes="image-container",
+                interactive=False
+            )
 
     submit_btn = gr.Button("Enhance Image", variant="primary")