添加UI基础角色代码，测试流程

metagpt/roles/role.py

@@ -114,6 +114,7 @@ class Role:
     def _set_state(self, state):
         """Update the current state."""
         self._rc.state = state
+        logger.info(self._actions)
         self._rc.todo = self._actions[self._rc.state]
 
     def set_env(self, env: 'Environment'):
@@ -170,8 +171,11 @@ class Role:
         if not self._rc.env:
             return 0
         env_msgs = self._rc.env.memory.get()
+        
         observed = self._rc.env.memory.get_by_actions(self._rc.watch)
+        
         already_observed = self._rc.memory.get()
+        
         news: list[Message] = []
         for i in observed:
             if i in already_observed: