release-8.5: translate AI doc changes from pingcap/docs release-8.5 on 2026-07-23

[github-actions]

What is changed, added or deleted? (Required)

Translate pingcap/docs AI documentation changes (ai/**, TOC-ai.md, and referenced image changes) to Chinese via ai-markdown-translator commit-diff sync.

English commit diff:

pingcap/docs@37c45d5...b6f7f75

Which TiDB version(s) do your changes apply to? (Required)

• release-8.5

What is the related PR or file link(s)?

• Source repo: pingcap/docs
• Source branch: release-8.5
• Terms branch: master
• Source paths: ai/**, TOC-ai.md, and referenced image changes
• Source files: ai/guides/vector-search-full-text-search-sql.md
• Source files translation mode: incremental
• Sync outcome: success

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

[ti-chi-bot]

Hi @github-actions[bot]. 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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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2026-07-23 04:11:10.169942317 +0000 UTC m=+1464456.206037374: ☑️ agreed by qiancai.

[qiancai]

/ok-to-test

[qiancai]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qiancai

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• OWNERS [qiancai]

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