Accommodate agentic chat policies

What does this MR do and why?

Empower Agentic Chat to work by it's own rules and not depend on Duo Workflow 💪

References

Screenshots or screen recordings

Before	After

How to set up and validate locally

MR acceptance checklist

Evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Related to #540750