Update app.py

app.py

@@ -100,8 +100,8 @@ def build_interface():
     grouped = fetch_models_grouped()
     default_model = grouped["reasoning"][0] if grouped["reasoning"] else ""
 
-    with gr.Blocks(title="Open Chat – NOT EXIST Space") as demo:
-        gr.Markdown("## 🤖 OpenSource models Chatbot (Space edition)")
+    with gr.Blocks(title="OpenRouter Chat – HF Space") as demo:
+        gr.Markdown("## 🤖 OpenRouter Chatbot (HF Space edition)")
 
         saved_chats = gr.State({})
         current_name = gr.State("Chat #1")
@@ -125,6 +125,7 @@ def build_interface():
                 )
                 output = gr.Textbox(label="Conversazione", lines=20, interactive=False)
                 prompt = gr.Textbox(label="Prompt", lines=3, placeholder="Scrivi qui...")
+                send_btn = gr.Button("📤 Invia")          # <--- ADDED
 
         # --- wiring -------------------------------------------------
         def resolve(prompt, r, c, hist):
@@ -143,6 +144,13 @@ def build_interface():
         def load_fn(chats, sel):
             return (chats[sel], format_history(chats[sel]), sel) if sel in chats else ([], "", "⚠️ Seleziona chat")
 
+        # Gradio events
+        send_btn.click(                                   # <--- NEW EVENT
+            fn=resolve,
+            inputs=[prompt, reasoning_dd, casual_dd, history],
+            outputs=[history, output],
+            queue=False,
+        )
         prompt.submit(
             fn=resolve,
             inputs=[prompt, reasoning_dd, casual_dd, history],