Fix Chatbot for Gradio 6.0: use dict messages (role/content), not type=tuples. Also **kwargs typing + CSS move.

app.py

@@ -599,15 +599,16 @@ class ChatInterface:
         self.config = config
         self.agent = agent
         self.defense = defense
-        self.chat_history: List[Tuple[str, str]] = []
+        self.chat_history: List[Dict[str, str]] = []
         self.context = ""
 
-    def chat(self, message: str, history: List[Tuple[str, str]]) -> Tuple[List[Tuple[str, str]], str]:
+    def chat(self, message: str, history: List[Dict[str, str]]) -> Tuple[List[Dict[str, str]], str]:
         sanitized, was_modified, report = self.defense.sanitize(message)
         note = f"\n\n⚠️ **Defense Active**: {', '.join(report.get('detected_patterns', []))}" if was_modified else ""
         if sanitized.strip().lower() in ("/status", "/tools", "/help"):
             resp = self._handle_command(sanitized.strip().lower())
-            history.append((message, resp))
+            history.append({"role": "user", "content": message})
+            history.append({"role": "assistant", "content": resp})
             return history, self.context
         resp = self.agent.run_autonomous_task(sanitized, self.context)
         try:
@@ -616,7 +617,8 @@ class ChatInterface:
                 resp = self._format_response(parsed) + note
         except (json.JSONDecodeError, TypeError):
             resp += note
-        history.append((message, resp))
+        history.append({"role": "user", "content": message})
+        history.append({"role": "assistant", "content": resp})
         self.chat_history = history
         return history, self.context
 
@@ -671,7 +673,7 @@ def create_ui(config: AgentZeroConfig, chat_interface: ChatInterface, defense: P
         </div>""")
         with gr.Row():
             with gr.Column(scale=3):
-                chatbot = gr.Chatbot(type="tuples", label="Agent Zero Console", height=500, render_markdown=True, avatar_images=(None, "🛡️"))
+                chatbot = gr.Chatbot(label="Agent Zero Console", height=500, render_markdown=True, avatar_images=(None, "🛡️"))
                 with gr.Row():
                     msg_input = gr.Textbox(label="Pentesting task", placeholder="e.g., 'Scan ports on scanme.nmap.org' or '/help'", scale=8, container=False)
                     send_btn = gr.Button("▶ Execute", variant="primary", scale=1)