优化CozeAPI调用保存逻辑和前端图标修复

- 修复前端TrendingUpOutlined图标导入错误，改为LineChartOutlined
- 优化CozeAPI调用记录保存逻辑：
  * 正确保存创建人和更新人字段为当前用户ID
  * 正确传递和保存message_id字段
  * 新增带messageId的WebSocket聊天方法重载
- 修复WebSocket处理器中的用户消息保存逻辑
- 确保CozeApiCallService正确设置创建人和更新人字段
- 改进AI回复保存时的创建人设置逻辑

backend-single/src/main/java/com/emotion/service/impl/AiChatServiceImpl.java

@@ -149,7 +149,7 @@ public class AiChatServiceImpl implements AiChatService {
         log.info("WebSocket发送聊天消息: conversationId={}, userId={}, message={}", conversationId, userId, message);
 
         try {
-            // 调用Coze API
+            // 调用Coze API（不带messageId）
             String aiReply = sendMessage(conversationId, message, userId);
 
             // 注意：不保存用户消息，因为WebSocket处理器已经保存了
@@ -172,6 +172,38 @@ public class AiChatServiceImpl implements AiChatService {
         }
     }
 
+    @Override
+    public String sendChatMessageForWebSocket(String conversationId, String messageId, String message, String userId) {
+        log.info("WebSocket发送聊天消息（带messageId）: conversationId={}, messageId={}, userId={}, message={}",
+                conversationId, messageId, userId, message);
+
+        try {
+            // 调用Coze API（带messageId）
+            String aiReply = sendMessageWithMessageId(conversationId, messageId, message, userId);
+
+            // 注意：不保存用户消息，因为WebSocket处理器已经保存了
+            // 只保存AI回复
+            Message aiMessage = new Message();
+            aiMessage.setConversationId(conversationId);
+            aiMessage.setCreateBy(userId);  // 设置创建人为当前用户
+            aiMessage.setContent(aiReply);
+            aiMessage.setType("text");
+            aiMessage.setSender("ai");
+            aiMessage.setCozeRole("assistant");
+            aiMessage.setCozeContentType("text");
+            aiMessage = messageService.createMessage(aiMessage);
+
+            log.info("WebSocket聊天消息处理完成（带messageId）: userMessageId={}, aiMessageId={}",
+                    messageId, aiMessage.getId());
+
+            return aiReply;
+
+        } catch (Exception e) {
+            log.error("WebSocket发送聊天消息失败（带messageId）", e);
+            return "抱歉，我暂时无法回复，请稍后再试。";
+        }
+    }
+
     @Override
     public String generateConversationSummary(String conversationId, String userId) {
         log.info("生成对话总结: conversationId={}, userId={}", conversationId, userId);

backend-single/src/main/java/com/emotion/service/impl/CozeApiCallServiceImpl.java

@@ -233,7 +233,7 @@ public class CozeApiCallServiceImpl extends ServiceImpl<CozeApiCallMapper, CozeA
     }
 
     @Override
-    public CozeApiCall createApiCall(String conversationId, String messageId, String userId, 
+    public CozeApiCall createApiCall(String conversationId, String messageId, String userId,
                                     String requestType, String requestUrl, String requestBody) {
         CozeApiCall apiCall = CozeApiCall.builder()
                 .conversationId(conversationId)
@@ -244,6 +244,8 @@ public class CozeApiCallServiceImpl extends ServiceImpl<CozeApiCallMapper, CozeA
                 .requestBody(requestBody)
                 .status("pending")
                 .startTime(LocalDateTime.now())
+                .createBy(userId)  // 设置创建人为当前用户
+                .updateBy(userId)  // 设置更新人为当前用户
                 .build();
         this.save(apiCall);
         return apiCall;

backend-single/src/main/java/com/emotion/service/impl/WebSocketServiceImpl.java

@@ -244,6 +244,7 @@ public class WebSocketServiceImpl implements WebSocketService {
                 Message userMessage = new Message();
                 userMessage.setConversationId(conversationId);
                 userMessage.setUserId(userId);
+                userMessage.setCreateBy(userId);  // 设置创建人为当前用户
                 userMessage
                         .setUserType(request.getSenderType() == ChatRequest.SenderType.USER ? "registered" : "guest");
                 userMessage.setContent(request.getContent());
@@ -251,11 +252,12 @@ public class WebSocketServiceImpl implements WebSocketService {
                 userMessage.setSender("user");
                 userMessage.setCozeRole("user");
                 userMessage.setCozeContentType("text");
-                messageService.createMessage(userMessage);
+                userMessage = messageService.createMessage(userMessage);
 
-                // 调用AI服务（WebSocket专用方法，不重复保存用户消息）
+                // 调用AI服务（WebSocket专用方法，传递messageId）
                 String aiReply = aiChatService.sendChatMessageForWebSocket(
                         conversationId,
+                        userMessage.getId(),  // 传递用户消息ID
                         request.getContent(),
                         userId
                 );