Using HITL with SubAgents

[hobbsax1]

Before the newest release of Agent I was able to have a triage agent that had sub agents that had MCP tools that required approval and I handled all of this by using AsDeclarationOnly for the sub agents and then manually calling the agent if needed and rebuilding the message stack to prevent 400 bad requests going to OpenAI.

With the newest version I cannot seem to get that to work any more.

Has anyone been able to have an agent use another agent as a tool and then have tools in the sub agent generate approvals that flow back up?

I am using .NET (currently Agent 1.3)

[moonbox3]

Adding @westey-m to help.