Mark workplan active with T01/T02 done, document topology, extend status
for activity-core mode, and wire Make targets to the platform multi-host
backup CLI. T03 remains operator-blocked on ESO token.
Capture post-WP-0015 posture (workstation SPOF) and register a workplan to
move unattended Option A + Forgejo backup automation to railiance01 via
activity-core without a laptop control plane.
