fix(agents): prevent subagent registry resurrection (#105793)
<pre style='white-space:pre-wrap;width:81ex'>fix(agents): prevent subagent registry resurrection (#105793) * fix(agents): retire legacy subagent registry JSON Co-authored-by: morluto <76467478+morluto@users.noreply.github.com> * fix(agents): keep migration decision internal Co-authored-by: morluto <76467478+morluto@users.noreply.github.com> * style(agents): format migration decision type Co-authored-by: morluto <76467478+morluto@users.noreply.github.com> --------- Co-authored-by: Peter Steinberg






