task-46: 跳过空品牌批次的无效远程品牌检查请求

新增 CollectDataBrandBatchFilter 接管品牌检查批次切分与分类：空品牌
批次不发起 checkAll 远程调用（行直接归 rejected），远程抛错整组降级
queryFailed 可恢复。service 委托查询器只做计数与无效 ASIN 落库，语义
与旧 filterByBrandCheck 完全等价。8 个测试覆盖默认/批量/幂等/空输入/
单元素/超限/非法参数/依赖失败，全量回归 720 通过。

backend-java/src/main/resources/application.yml

@@ -261,6 +261,7 @@ aiimage:
     max-source-file-bytes: ${AIIMAGE_COLLECT_DATA_MAX_SOURCE_FILE_BYTES:0}
     max-parse-rows: ${AIIMAGE_COLLECT_DATA_MAX_PARSE_ROWS:0}
     max-chunk-rows: ${AIIMAGE_COLLECT_DATA_MAX_CHUNK_ROWS:0}
+    brand-check-batch-size: ${AIIMAGE_COLLECT_DATA_BRAND_CHECK_BATCH_SIZE:10}
   image-video:
     coze-base-url: ${AIIMAGE_IMAGE_VIDEO_COZE_BASE_URL:https://api.coze.cn}
     coze-token: ${AIIMAGE_IMAGE_VIDEO_COZE_TOKEN:sat_Ws4VB1caOPasDivpKIvtOySYx3lhKgQ95H3crIh0tBwiNYtPTyi6bqe0pBaRzpVu}