update chat2query api, add doc for data_summary_id

[joyjoyhong]

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[ti-chi-bot]

Hi @joyjoyhong. Thanks for your PR.

I'm waiting for a pingcap member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[Oreoxmt]

/ok-to-test

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-08-14 03:19:31.926829358 +0000 UTC m=+324456.630299019: ☑️ agreed by Oreoxmt.
• 2024-08-21 05:44:30.964839905 +0000 UTC m=+330666.099290026: ☑️ agreed by qiancai.

[Oreoxmt]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Oreoxmt

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