code format

Author: xiaohai-78

spring-ai-alibaba-deepresearch/src/main/java/com/alibaba/cloud/ai/example/deepresearch/node/LlmStreamNode.java

@@ -17,12 +17,9 @@
 
 import com.alibaba.cloud.ai.example.deepresearch.model.Plan;
 import com.alibaba.cloud.ai.example.deepresearch.util.TemplateUtil;
-import com.alibaba.cloud.ai.graph.NodeOutput;
 import com.alibaba.cloud.ai.graph.OverAllState;
 import com.alibaba.cloud.ai.graph.action.NodeAction;
 import com.alibaba.cloud.ai.graph.streaming.StreamingChatGenerator;
-import com.alibaba.fastjson.JSON;
-import org.bsc.async.AsyncGenerator;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.ai.chat.client.ChatClient;

spring-ai-alibaba-deepresearch/src/main/java/com/alibaba/cloud/ai/example/deepresearch/node/PlannerNode.java

@@ -17,7 +17,6 @@
 package com.alibaba.cloud.ai.example.deepresearch.node;
 
 import com.alibaba.cloud.ai.example.deepresearch.model.Plan;
-import com.alibaba.cloud.ai.example.deepresearch.util.TemplateUtil;
 import com.alibaba.cloud.ai.graph.OverAllState;
 import com.alibaba.cloud.ai.graph.action.NodeAction;
 import org.slf4j.Logger;
@@ -27,23 +26,15 @@
 import org.springframework.ai.chat.memory.InMemoryChatMemoryRepository;
 import org.springframework.ai.chat.memory.MessageWindowChatMemory;
 import org.springframework.ai.chat.messages.AssistantMessage;
-import org.springframework.ai.chat.messages.Message;
-import org.springframework.ai.chat.messages.SystemMessage;
-import org.springframework.ai.chat.messages.UserMessage;
 import org.springframework.ai.converter.BeanOutputConverter;
-import org.springframework.ai.model.tool.ToolCallingChatOptions;
 import org.springframework.ai.tool.ToolCallback;
 import org.springframework.core.ParameterizedTypeReference;
-import org.springframework.util.StringUtils;
-import reactor.core.publisher.Flux;
 
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
 import static com.alibaba.cloud.ai.graph.StateGraph.END;
-import static org.springframework.ai.chat.memory.ChatMemory.CONVERSATION_ID;
 
 /**
  * @author yingzi