feat：继续重构插件api

src/plugin_system/apis/plugin_api.py

@@ -54,7 +54,10 @@ class PluginAPI(MessageAPI, LLMAPI, DatabaseAPI, ConfigAPI, UtilsAPI, StreamAPI,
         }
 
         self.log_prefix = log_prefix
-
+        
+        # 存储action上下文信息
+        self._action_context = {}
+        
         # 调用所有父类的初始化
         super().__init__()
 
@@ -88,6 +91,17 @@ class PluginAPI(MessageAPI, LLMAPI, DatabaseAPI, ConfigAPI, UtilsAPI, StreamAPI,
         """检查是否有指定的服务对象"""
         return service_name in self._services and self._services[service_name] is not None
 
+    def set_action_context(self, thinking_id: str = None, shutting_down: bool = False, **kwargs):
+        """设置action上下文信息"""
+        if thinking_id:
+            self._action_context["thinking_id"] = thinking_id
+        self._action_context["shutting_down"] = shutting_down
+        self._action_context.update(kwargs)
+        
+    def get_action_context(self, key: str, default=None):
+        """获取action上下文信息"""
+        return self._action_context.get(key, default)
+
 
 # 便捷的工厂函数
 def create_plugin_api(