refactor: 修改uploadFile方法参数类型为File

- 将LsfxAnalysisClient.uploadFile方法参数从MultipartFile改为File
- 在LsfxTestController中添加MultipartFile到File的转换逻辑
- 使用临时文件处理转换，并在finally块中自动清理

ccdi-lsfx/src/main/java/com/ruoyi/lsfx/client/LsfxAnalysisClient.java

@@ -15,8 +15,8 @@ import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
-import org.springframework.web.multipart.MultipartFile;
 
+import java.io.File;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
@@ -109,8 +109,8 @@ public class LsfxAnalysisClient {
     /**
      * 上传文件
      */
-    public UploadFileResponse uploadFile(Integer groupId, MultipartFile file) {
-        log.info("【流水分析】上传文件请求: groupId={}, fileName={}", groupId, file.getOriginalFilename());
+    public UploadFileResponse uploadFile(Integer groupId, File file) {
+        log.info("【流水分析】上传文件请求: groupId={}, fileName={}", groupId, file.getName());
         long startTime = System.currentTimeMillis();
 
         try {