fix(v0.11): Feign/OpenFeign 与走查后续整改

- intelligent-cwoscomponent-rest：全部 Feign Fallback 改为 CloudwalkResult.fail(76260800, …)
- 各 FeignClient 与 cloudwalk-cloud-common POM 调整（与既有未提交变更一致）
- cloud：GroupEventListener 日志类名与异常分支收窄；校验切面 Pointcut 方法拼写修正
- elevator-web：AbstractCloudwalkController 请求上下文判空；getKey 停用明文密钥仅保留对时字段

Made-with: Cursor

maven-cw-elevator-application/cw-elevator-application-web/src/main/java/cn/cloudwalk/elevator/common/AbstractCloudwalkController.java

@@ -49,7 +49,11 @@ public abstract class AbstractCloudwalkController {
     }
 
     protected HttpServletRequest getHttpServletRequest() {
-        return ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();
+        ServletRequestAttributes attributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
+        if (attributes == null) {
+            return null;
+        }
+        return attributes.getRequest();
     }
 
     public String getMessage(String code, String defaultMsg) {

maven-cw-elevator-application/cw-elevator-application-web/src/main/java/cn/cloudwalk/elevator/handler/device/controller/AcsElevatorDeviceGetWayController.java

@@ -215,12 +215,17 @@ public class AcsElevatorDeviceGetWayController extends AbstractCloudwalkControll
         }
     }
 
+    /**
+     * 历史接口：曾下发应用密钥。按安全走查要求不再返回明文密钥，仅保留时间戳供客户端对时等场景使用。
+     */
+    @Deprecated
     @PostMapping({"39204"})
     public CloudwalkResult<KeyValueResult> getKey(@RequestBody AcsElevatorRecordAddForm form) {
         KeyValueResult result = new KeyValueResult();
-        result.setKey(this.key);
+        result.setKey("");
         result.setTime(this.time);
-        result.setKeyA(this.keyA);
+        result.setKeyA("");
+        this.LOGGER.warn("getKey(39204) 已停用明文密钥下发，调用方应迁移至安全鉴权方式");
         return CloudwalkResult.success(result);
     }
 }