Update app.py

app.py

@@ -216,7 +216,13 @@ def chat_respond(message, history, chat_state, img_input, model_ui, grounding):
                 file_path = os.path.join(TEMP_CHAT_DIR, unique_filename)
                 img.save(file_path)
                 
-                bot_messages.append({"role": "assistant", "content": (file_path, "Generated Image")})
+                # bot_messages.append({"role": "assistant", "content": (file_path, "Generated Image")})
+                # CORRECTION : On crée un dictionnaire
+                img_msg = {
+                    "path": file_path,
+                    "alt_text": "Generated Image"
+                }
+                bot_messages.append({"role": "assistant", "content": img_msg})
         
         # D. Empty response handling
         if not f_txt and not f_imgs and not t_txt:
@@ -353,8 +359,7 @@ with gr.Blocks(title="Nano Vision Studio") as demo:
                     
                     with gr.Row():
                         chat_input = gr.Textbox(label="Your Message", placeholder="e.g., 'Generate a portrait', then 'Add glasses'...", scale=4)
-                        chat_img = gr.Image(label="Input Image (Optional)", type="filepath", height=100, scale=1, container=False)
-                    
+                        chat_img = gr.Image(label="Input Image (Optional)", type="filepath", height=100)
                     with gr.Row():
                         chat_btn = gr.Button("Send", variant="primary")
                         clear_btn = gr.Button("🗑️ New Session")
@@ -407,4 +412,13 @@ with gr.Blocks(title="Nano Vision Studio") as demo:
             """)
 
 if __name__ == "__main__":
-    demo.launch(theme=gr.themes.Soft(), css=css)
+    # Configuration Gradio 6.0
+    demo.queue(default_concurrency_limit=20)
+    
+    # Le thème et le CSS se mettent ICI maintenant
+    demo.launch(
+        theme=gr.themes.Soft(), 
+        css=css,
+        max_threads=40,
+        show_error=True
+    )