feat: switch command entities to sdk

pkg/command/operators/prompt.py

@@ -2,19 +2,22 @@ from __future__ import annotations
 
 import typing
 
-from .. import operator, entities, errors
+from .. import operator
+from langbot_plugin.api.entities.builtin.command import context as command_context, errors as command_errors
 
 
 @operator.operator_class(name='prompt', help='查看当前对话的前文', usage='!prompt')
 class PromptOperator(operator.CommandOperator):
-    async def execute(self, context: entities.ExecuteContext) -> typing.AsyncGenerator[entities.CommandReturn, None]:
+    async def execute(
+        self, context: command_context.ExecuteContext
+    ) -> typing.AsyncGenerator[command_context.CommandReturn, None]:
         """执行"""
         if context.session.using_conversation is None:
-            yield entities.CommandReturn(error=errors.CommandOperationError('当前没有对话'))
+            yield command_context.CommandReturn(error=command_errors.CommandOperationError('当前没有对话'))
         else:
             reply_str = '当前对话所有内容:\n\n'
 
             for msg in context.session.using_conversation.messages:
                 reply_str += f'{msg.role}: {msg.content}\n'
 
-            yield entities.CommandReturn(text=reply_str)
+            yield command_context.CommandReturn(text=reply_str)