A pipeline started before its module had a registration kept no step for ever: Resume asks only placed steps.
On registration-changed the runner now places, from the registration, the steps of every running pipeline of
that module that has none, by compare-and-set so once each, asks them and says it; until then the start says
the pipeline waits on its module's registration.
Builds: design 47 G §21, §23, §54; A-327
Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
jschoubben
e557168e6e