feat(location_map): 新增 favorite / franchisee / transfer 校验模块与 candidate_150_160 用例
- 新增 favorite 模块：cluster_page/cluster_page_v2/cluster_export/cluster_export_v2/folder_list + test_cluster_page/test_export/test_payload_contracts
- 新增 franchisee 模块：standard_franchisee_pages 校验
- 新增 transfer 模块：standard_transfer_pages 校验
- 新增 candidate_150_160 用例目录（test_*/payloads/README）
- task_cluster 新增 pending_count_v2；conftest/registry/export_artifact/validation/VALIDATION_GAPS 同步
- 补充单测 test_large_data_task_cluster_cases_136_140