br: add issue for pitr usage

[Leavrth]

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Timeline:

• 2024-07-31 06:51:54.488565045 +0000 UTC m=+338630.768613106: ☑️ agreed by qiancai.
• 2024-08-07 06:50:35.361071668 +0000 UTC m=+421165.228170755: ☑️ agreed by Oreoxmt.

[qiancai]

/approve

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