feat(ai): 新增 ChatClient 配置与控制器

- 添加 ChatClientConfig 配置类，初始化 ChatClient 并配置系统提示和顾问
- 创建 ChatClientController 控制器，支持普通对话与流式对话接口- 引入 lombok依赖并添加 MyLoggerAdvisor 日志顾问实现
- 调整 DeepSeekR1ChatController，优化流式输出内容处理逻辑
- 更新 application.yml 中默认模型名称及日志级别配置

src/main/java/com/hanserwei/airobot/advisor/MyLoggerAdvisor.java

@@ -0,0 +1,30 @@
+package com.hanserwei.airobot.advisor;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.ai.chat.client.ChatClientRequest;
+import org.springframework.ai.chat.client.ChatClientResponse;
+import org.springframework.ai.chat.client.advisor.api.CallAdvisor;
+import org.springframework.ai.chat.client.advisor.api.CallAdvisorChain;
+
+@Slf4j
+public class MyLoggerAdvisor implements CallAdvisor {
+
+    @Override
+    public ChatClientResponse adviseCall(ChatClientRequest chatClientRequest, CallAdvisorChain callAdvisorChain) {
+        log.info("## 请求入参: {}", chatClientRequest);
+        ChatClientResponse chatClientResponse = callAdvisorChain.nextCall(chatClientRequest);
+        log.info("## 请求出参: {}", chatClientResponse);
+        return chatClientResponse;
+    }
+
+    @Override
+    public int getOrder() {
+        return 1; // order 值越小，越先执行
+    }
+
+    @Override
+    public String getName() {
+        // 获取类名称
+        return this.getClass().getSimpleName();
+    }
+}

src/main/java/com/hanserwei/airobot/config/ChatClientConfig.java

@@ -0,0 +1,27 @@
+package com.hanserwei.airobot.config;
+
+import com.hanserwei.airobot.advisor.MyLoggerAdvisor;
+import org.springframework.ai.chat.client.ChatClient;
+import org.springframework.ai.chat.client.advisor.SimpleLoggerAdvisor;
+import org.springframework.ai.deepseek.DeepSeekChatModel;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class ChatClientConfig {
+
+    /**
+     * 初始化 ChatClient 客户端
+     *
+     * @param chatModel 模型
+     * @return ChatClient
+     */
+    @Bean
+    public ChatClient chatClient(DeepSeekChatModel chatModel) {
+        return ChatClient.builder(chatModel)
+                .defaultSystem("请你扮演一名犬小哈 Java 项目实战专栏的客服人员")
+                .defaultAdvisors(new SimpleLoggerAdvisor(),
+                        new MyLoggerAdvisor())
+                .build();
+    }
+}

src/main/java/com/hanserwei/airobot/controller/ChatClientController.java

@@ -0,0 +1,46 @@
+package com.hanserwei.airobot.controller;
+
+import jakarta.annotation.Resource;
+import org.springframework.ai.chat.client.ChatClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import reactor.core.publisher.Flux;
+
+@RestController
+@RequestMapping("/v2/ai")
+public class ChatClientController {
+
+    @Resource
+    private ChatClient chatClient;
+
+    /**
+     * 普通对话
+     *
+     * @param message 对话输入内容
+     * @return 对话结果
+     */
+    @GetMapping("/generate")
+    public String generate(@RequestParam(value = "message", defaultValue = "你是谁？") String message) {
+        // 一次性返回结果
+        return chatClient.prompt()
+                .user(message)
+                .call()
+                .content();
+    }
+
+    /**
+     * 流式对话
+     * @param message 对话输入内容
+     * @return 对话结果
+     */
+    @GetMapping(value = "/generateStream", produces = "text/html;charset=utf-8")
+    public Flux<String> generateStream(@RequestParam(value = "message", defaultValue = "你是谁？") String message) {
+        return chatClient.prompt()
+                .user(message) // 提示词
+                .stream() // 流式输出
+                .content();
+
+    }
+}

src/main/java/com/hanserwei/airobot/controller/DeepSeekR1ChatController.java

@@ -12,6 +12,9 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 import reactor.core.publisher.Flux;
 
+import java.util.Objects;
+import java.util.concurrent.atomic.AtomicBoolean;
+
 @RestController
 @RequestMapping("/v1/ai")
 public class DeepSeekR1ChatController {
@@ -29,6 +32,9 @@ public class DeepSeekR1ChatController {
         // 构建提示词
         Prompt prompt = new Prompt(new UserMessage(message));
 
+        // 使用原子布尔值跟踪分隔线状态（每个请求独立）
+        AtomicBoolean needSeparator = new AtomicBoolean(true);
+
         // 流式输出
         return chatModel.stream(prompt)
                 .mapNotNull(chatResponse -> {
@@ -39,11 +45,27 @@ public class DeepSeekR1ChatController {
                     // 推理结束后的正式回答
                     String text = deepSeekAssistantMessage.getText();
 
+                    // 是否是正式回答
+                    boolean isTextResponse = false;
                     // 若推理内容有值，则响应推理内容，否则，说明推理结束了，响应正式回答
-                    return StringUtils.isNotBlank(reasoningContent) ? reasoningContent : text;
+                    String rawContent;
+                    if (Objects.isNull(text)) {
+                        rawContent = reasoningContent;
+                    } else {
+                        rawContent = text;
+                        isTextResponse = true; // 标记为正式回答
+                    }
+
+                    // 处理换行
+                    String processed = StringUtils.isNotBlank(rawContent) ? rawContent.replace("\n", "<br>") : rawContent;
+
+                    // 在正式回答内容之前，添加一个分隔线
+                    if (isTextResponse
+                            && needSeparator.compareAndSet(true, false)) {
+                        processed = "<hr>" + processed; // 使用 HTML 的 <hr> 标签实现
+                    }
+
+                    return processed;
                 });
-
-
-
     }
 }