fix: move input outside try block to allow Ctrl+C exit

agentmain.py

@@ -152,9 +152,9 @@ if __name__ == '__main__':
     else:
         agent.inc_out = True
         while True:
-            try:
             q = input('> ').strip()
             if not q: continue
+            try:
                 dq = agent.put_task(q, source='user')
                 while True:
                     item = dq.get()