视频预览切换为何会闪回旧帧:用 generation + mode identity 管住异步回调

Source evidence

What RADAR observed and classified to build this opportunity. It is what the source published, not a verification that the offer is still active.

• JuejinObserved: Oct 7, 2026Source reliability: 60%

  视频预览切换为何会闪回旧帧:用 generation + mode identity 管住异步回调. 取消旧任务不足以阻止已在途的异步结果;预览层还要用当前模式的 generation 和 identity 授予展示权限。

  Open source