Add bot protection docs for assistant

[mintlify]

Summary

• Adds a new "Bot protection" subsection to the assistant configuration docs explaining the invisible captcha feature
• Documents how to enable bot protection in the dashboard and notes the propagation delay
• Cross-references the CSP configuration page for users with custom security headers

Shipped: a new "Bot Protection" settings section was added to the assistant dashboard, allowing users to enable invisible captcha (hCaptcha) to protect the assistant from automated abuse.

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Note

Low Risk
Low risk documentation-only change; adds guidance that could affect user CSP configuration but does not modify runtime behavior.

Overview
Adds a new Bot protection section to ai/assistant.mdx documenting the assistant’s invisible captcha (hCaptcha) feature.

Provides step-by-step instructions to enable it in the dashboard, notes a ~10 minute propagation delay, and includes a CSP allowlist note for hcaptcha.com/*.hcaptcha.com with a link to CSP configuration docs.

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