OKTA-1246319 - Document PATCH support for configuring an existing AI agent as a CIMD client

[brentschaus-okta]

Description:

• What's changed? The CIMD registration guide said that converting an existing AI agent from BYOK to CIMD required deleting and recreating the agent. The OAS3 spec was updated after this guide published (OKTA-1238297, atko-eng/okta-oas3#3793) to add oauthClient support to PATCH /workload-principals/api/v1/ai-agents/{agentId}, so this is no longer accurate. This PR:
  • Updates the note that previously described the delete-and-recreate workaround.
  • Adds a new "Configure an existing AI agent as a CIMD client" section with a PATCH example.
  • Adds a matching learning outcome bullet.
• Is this PR related to a Monolith release? No.

Resolves:

• OKTA-1246319

Vercel Preview Link:

[okta-prod-github-app]

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