Copilot CLI session events already expose subagent.* lifecycle records, but xurl still rejects agents://copilot/<main>/<child> and only reads the main conversation timeline.
We should treat Copilot like the other providers that support child drill-down:
- surface subagent discovery from the parent conversation in head mode
- resolve
agents://copilot/<main>/<child> into a child view
- render the child conversation timeline with stable metadata
This would make Copilot sessions inspectable when work is delegated to built-in agents such as research, instead of collapsing everything into the parent thread.
Copilot CLI session events already expose
subagent.*lifecycle records, butxurlstill rejectsagents://copilot/<main>/<child>and only reads the main conversation timeline.We should treat Copilot like the other providers that support child drill-down:
agents://copilot/<main>/<child>into a child viewThis would make Copilot sessions inspectable when work is delegated to built-in agents such as
research, instead of collapsing everything into the parent thread.