npm bin/copilot is a loader, not a version pin: same path served 1.0.77 then 1.0.78 101s apart; --prefer-version works but is undocumented

npm bin/copilot is a loader, not a version pin: same path served 1.0.77 then 1.0.78 101s apart; --prefer-version works but is undocumented #5111