fix: 完善工作流公共接口上传与错误契约

- 区分 HTTP 请求标识与内部上传标识，补齐 Redis 旧记录兼容和关联日志

- 保持归一化 MIME 一致，并隔离工作流鉴权错误契约对其他公共接口的影响

- 收口 Multipart 操作日志与对象存储故障分类，归档范围：S05

easyflow-modules/easyflow-module-log/src/main/java/tech/easyflow/log/reporter/ActionReportInterceptor.java

@@ -6,12 +6,17 @@ import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.MediaType;
 import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.multipart.MultipartHttpServletRequest;
 import org.springframework.web.method.HandlerMethod;
 import org.springframework.web.servlet.HandlerInterceptor;
 import org.springframework.web.servlet.ModelAndView;
 import org.springframework.web.util.ContentCachingResponseWrapper;
 import tech.easyflow.common.util.RequestUtil;
+import tech.easyflow.common.web.error.RequestIdContext;
+import tech.easyflow.common.web.multipart.MultipartFileMetadataNormalizer;
 import tech.easyflow.log.annotation.LogReporterDisabled;
 
 import java.lang.reflect.Method;
@@ -110,10 +115,16 @@ public class ActionReportInterceptor implements HandlerInterceptor {
             sb.append("EasyFlow action report -------- ").append(timestamp).append(" -------------------------\n");
             sb.append("Request     : ").append(request.getMethod())
                     .append(" ").append(request.getRequestURI()).append("\n");
+            String requestId = RequestIdContext.get(request);
+            if (requestId != null) {
+                sb.append("RequestId   : ").append(requestId).append("\n");
+            }
+
+            boolean multipartRequest = isMultipartRequest(request);
 
             // 打印参数（GET / POST 表单参数），脱敏
             Map<String, String[]> params = request.getParameterMap();
-            if (!params.isEmpty()) {
+            if (!params.isEmpty() && !multipartRequest) {
                 Map<String, Object> maskedParams = new LinkedHashMap<>();
                 for (Map.Entry<String, String[]> entry : params.entrySet()) {
                     String key = entry.getKey();
@@ -127,9 +138,17 @@ public class ActionReportInterceptor implements HandlerInterceptor {
                 sb.append("Params      : ").append(JSON.toJSONString(maskedParams)).append("\n");
             }
 
+            if (multipartRequest) {
+                sb.append("Parts       : ")
+                        .append(buildMultipartSummary(request))
+                        .append("\n");
+            }
+
             // ====== 读取 POST Body ======
             String methodStr = request.getMethod();
-            if ("POST".equalsIgnoreCase(methodStr) || "PUT".equalsIgnoreCase(methodStr) || "PATCH".equalsIgnoreCase(methodStr)) {
+            if (!multipartRequest && ("POST".equalsIgnoreCase(methodStr)
+                    || "PUT".equalsIgnoreCase(methodStr)
+                    || "PATCH".equalsIgnoreCase(methodStr))) {
                 String body = RequestUtil.readBodyString(request);
                 if (body != null && !body.trim().isEmpty()) {
                     try {
@@ -208,8 +227,14 @@ public class ActionReportInterceptor implements HandlerInterceptor {
             if (ex != null) {
                 sb.append('\n')
                         .append("Status      : FAILED\n")
-                        .append("Exception   : ").append(ex.getClass().getSimpleName())
-                        .append(": ").append(ex.getMessage() != null ? ex.getMessage().split("\n")[0] : "Unknown");
+                        .append("Exception   : ")
+                        .append(ex.getClass().getSimpleName());
+                if (requestId == null) {
+                    sb.append(": ")
+                            .append(ex.getMessage() != null
+                                    ? ex.getMessage().split("\n")[0]
+                                    : "Unknown");
+                }
             }
 
             // ====== 耗时 ======
@@ -258,6 +283,67 @@ public class ActionReportInterceptor implements HandlerInterceptor {
         return result;
     }
 
+    /**
+     * 判断请求是否为 Multipart 表单。
+     *
+     * @param request 当前请求
+     * @return 是否为 Multipart 请求
+     */
+    private boolean isMultipartRequest(HttpServletRequest request) {
+        String contentType = request.getContentType();
+        return contentType != null
+                && contentType.regionMatches(
+                true,
+                0,
+                MediaType.MULTIPART_FORM_DATA_VALUE,
+                0,
+                MediaType.MULTIPART_FORM_DATA_VALUE.length());
+    }
+
+    /**
+     * 构建不读取文件正文的 Multipart Part 摘要。
+     *
+     * @param request 当前请求
+     * @return JSON 摘要
+     */
+    String buildMultipartSummary(HttpServletRequest request) {
+        if (!(request instanceof MultipartHttpServletRequest multipart)) {
+            return "{\"available\":false}";
+        }
+        List<Map<String, Object>> parts = new ArrayList<>();
+        multipart.getMultiFileMap().forEach((partName, files) -> {
+            if (files == null || files.isEmpty()) {
+                parts.add(Map.of("partName", partName, "fileCount", 0));
+                return;
+            }
+            for (MultipartFile file : files) {
+                if (file == null) {
+                    parts.add(Map.of("partName", partName, "file", "null"));
+                    continue;
+                }
+                String filename =
+                        MultipartFileMetadataNormalizer.sanitizeFilename(
+                                file.getOriginalFilename());
+                Map<String, Object> summary = new LinkedHashMap<>();
+                summary.put("partName", partName);
+                summary.put("fileName", filename);
+                summary.put("size", file.getSize());
+                summary.put(
+                        "contentType",
+                        MultipartFileMetadataNormalizer.normalizeContentType(
+                                filename,
+                                file.getContentType()));
+                parts.add(summary);
+            }
+        });
+        Set<String> textPartNames = new LinkedHashSet<>(
+                multipart.getParameterMap().keySet());
+        Map<String, Object> summary = new LinkedHashMap<>();
+        summary.put("files", parts);
+        summary.put("textPartNames", textPartNames);
+        return JSON.toJSONString(summary);
+    }
+
     /**
      * 构建方法签名：methodName(paramType paramName, ...)
      */
@@ -279,4 +365,4 @@ public class ActionReportInterceptor implements HandlerInterceptor {
         sig.append(")");
         return sig.toString();
     }
-}
+}