yangen/ChuangHeng_new: 创衡智能体 @ bf852e2ec2aedbc6c0a506a55073a868b43cf7b9

Developer bf852e2ec2 fix: handle public upload session renewal		преди 3 дни
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teamBackgroundFile.spec.js	72e21910b8 fix: make admin frontend checks reproducible	преди 3 дни
teamBackgroundManagement.spec.js	d17f293a62 fix: isolate team background dialog requests	преди 3 дни
teamBackgroundPublicUpload.spec.js	bf852e2ec2 fix: handle public upload session renewal	преди 3 дни