Spostato main nel corretto file __main__ e aggiornato il README.md

src/app/__main__.py

@@ -0,0 +1,75 @@
+import gradio as gr
+from agno.utils.log import log_info
+from dotenv import load_dotenv
+from app.chat_manager import ChatManager
+
+
+if __name__ == "__main__":
+    # Inizializzazioni
+    load_dotenv()
+    chat = ChatManager()
+
+    ########################################
+    # Funzioni Gradio
+    ########################################
+    def respond(message, history):
+        response = chat.send_message(message)
+        history.append({"role": "user", "content": message})
+        history.append({"role": "assistant", "content": response})
+        return history, history, ""
+
+    def save_current_chat():
+        chat.save_chat("chat.json")
+        return "💾 Chat salvata in chat.json"
+
+    def load_previous_chat():
+        chat.load_chat("chat.json")
+        history = []
+        for m in chat.get_history():
+            history.append({"role": m["role"], "content": m["content"]})
+        return history, history
+
+    def reset_chat():
+        chat.reset_chat()
+        return [], []
+
+    ########################################
+    # Interfaccia Gradio
+    ########################################
+    with gr.Blocks() as demo:
+        gr.Markdown("# 🤖 Agente di Analisi e Consulenza Crypto (Chat)")
+
+        # Dropdown provider e stile
+        with gr.Row():
+            provider = gr.Dropdown(
+                choices=chat.list_providers(),
+                type="index",
+                label="Modello da usare"
+            )
+            provider.change(fn=chat.choose_provider, inputs=provider, outputs=None)
+
+            style = gr.Dropdown(
+                choices=chat.list_styles(),
+                type="index",
+                label="Stile di investimento"
+            )
+            style.change(fn=chat.choose_style, inputs=style, outputs=None)
+
+        chatbot = gr.Chatbot(label="Conversazione", height=500, type="messages")
+        msg = gr.Textbox(label="Scrivi la tua richiesta", placeholder="Es: Quali sono le crypto interessanti oggi?")
+
+        with gr.Row():
+            clear_btn = gr.Button("🗑️ Reset Chat")
+            save_btn = gr.Button("💾 Salva Chat")
+            load_btn = gr.Button("📂 Carica Chat")
+
+        # Eventi e interazioni
+        msg.submit(respond, inputs=[msg, chatbot], outputs=[chatbot, chatbot, msg])
+        clear_btn.click(reset_chat, inputs=None, outputs=[chatbot, chatbot])
+        save_btn.click(save_current_chat, inputs=None, outputs=None)
+        load_btn.click(load_previous_chat, inputs=None, outputs=[chatbot, chatbot])
+
+    server, port = ("0.0.0.0", 8000) # 0.0.0.0 per accesso esterno (Docker)
+    server_log = "localhost" if server == "0.0.0.0" else server
+    log_info(f"Starting UPO AppAI Chat on http://{server_log}:{port}") # noqa
+    demo.launch(server_name=server, server_port=port, quiet=True)