评审

PR 合并前怎么检查，包怎么测试。

• Review runbookThe ordered checks every incoming pull request is reviewed against.
• Testing playbookThe checks every new listing and every change we make to a package goes through before it ships, and how to run each one.
• Batch changesChanging many packages at once, such as a runtime upgrade or a prebuilt re-cut, and how to test it by sampling each stack.