feat: AI dialogue nodes support historical chat history parameters

Author: shaohuzhang1

apps/application/flow/step_node/ai_chat_step_node/impl/base_chat_node.py

@@ -17,7 +17,6 @@
 from langchain.schema import HumanMessage, SystemMessage
 from langchain_core.messages import BaseMessage, AIMessage
 
-
 from application.flow.i_step_node import NodeResult, INode
 from application.flow.step_node.ai_chat_step_node.i_chat_node import IChatNode
 from application.flow.tools import Reasoning, mcp_response_generator
@@ -91,7 +90,6 @@ def write_context_stream(node_variable: Dict, workflow_variable: Dict, node: INo
     _write_context(node_variable, workflow_variable, node, workflow, answer, reasoning_content)
 
 
-
 def write_context(node_variable: Dict, workflow_variable: Dict, node: INode, workflow):
     """
     写入上下文数据
@@ -194,12 +192,16 @@ def execute(self, model_id, system, prompt, dialogue_number, history_chat_record
         if stream:
             r = chat_model.stream(message_list)
             return NodeResult({'result': r, 'chat_model': chat_model, 'message_list': message_list,
-                               'history_message': history_message, 'question': question.content}, {},
+                               'history_message': [{'content': message.content, 'role': message.type} for message in
+                                                   (history_message if history_message is not None else [])],
+                               'question': question.content}, {},
                               _write_context=write_context_stream)
         else:
             r = chat_model.invoke(message_list)
             return NodeResult({'result': r, 'chat_model': chat_model, 'message_list': message_list,
-                               'history_message': history_message, 'question': question.content}, {},
+                               'history_message': [{'content': message.content, 'role': message.type} for message in
+                                                   (history_message if history_message is not None else [])],
+                               'question': question.content}, {},
                               _write_context=write_context)
 
     def _handle_mcp_request(self, mcp_enable, tool_enable, mcp_source, mcp_servers, mcp_tool_id, mcp_tool_ids, tool_ids,
@@ -250,7 +252,9 @@ def _handle_mcp_request(self, mcp_enable, tool_enable, mcp_source, mcp_servers,
             r = mcp_response_generator(chat_model, message_list, json.dumps(mcp_servers_config), mcp_output_enable)
             return NodeResult(
                 {'result': r, 'chat_model': chat_model, 'message_list': message_list,
-                 'history_message': history_message, 'question': question.content}, {},
+                 'history_message': [{'content': message.content, 'role': message.type} for message in
+                                     (history_message if history_message is not None else [])],
+                 'question': question.content}, {},
                 _write_context=write_context_stream)
 
         return None
@@ -316,9 +320,7 @@ def get_details(self, index: int, **kwargs):
             "index": index,
             'run_time': self.context.get('run_time'),
             'system': self.context.get('system'),
-            'history_message': [{'content': message.content, 'role': message.type} for message in
-                                (self.context.get('history_message') if self.context.get(
-                                    'history_message') is not None else [])],
+            'history_message': self.context.get('history_message'),
             'question': self.context.get('question'),
             'answer': self.context.get('answer'),
             'reasoning_content': self.context.get('reasoning_content'),

ui/src/locales/lang/en-US/views/application-workflow.ts

@@ -125,6 +125,7 @@ export default {
       },
       defaultPrompt: 'Known Information',
       think: 'Thinking Process',
+      historyMessage: 'Historical chat records',
     },
     searchKnowledgeNode: {
       label: 'Knowledge Retrieval',

ui/src/locales/lang/zh-CN/views/application-workflow.ts

@@ -128,6 +128,7 @@ export default {
       },
       defaultPrompt: '已知信息',
       think: '思考过程',
+      historyMessage: '历史聊天记录',
     },
     searchKnowledgeNode: {
       label: '知识库检索',

ui/src/locales/lang/zh-Hant/views/application-workflow.ts

@@ -126,6 +126,7 @@ export default {
       },
       defaultPrompt: '已知信息',
       think: '思考過程',
+      historyMessage: '歷史聊天記錄',
     },
     searchKnowledgeNode: {
       label: '知識庫檢索',

ui/src/workflow/common/data.ts

@@ -82,6 +82,10 @@ export const aiChatNode = {
           label: t('views.applicationWorkflow.nodes.aiChatNode.think'),
           value: 'reasoning_content',
         },
+        {
+          label: t('views.applicationWorkflow.nodes.aiChatNode.historyMessage'),
+          value: 'history_message',
+        },
       ],
     },
   },

ui/src/workflow/nodes/ai-chat-node/index.vue

@@ -463,7 +463,6 @@ const openGeneratePromptDialog = (modelId: string) => {
   }
 }
 const replace = (v: any) => {
-  console.log(props.nodeModel.properties.node_data.model_setting)
   set(props.nodeModel.properties.node_data, 'system', v)
 }
 const openReasoningParamSettingDialog = () => {