A standalone task (video/CI-watch/dep-update — no parent) and a child
of a branchless coordination parent merge into the project default
branch by design, but the protected-base guard refused every
master/main base, hard-wedging their rebases into block/PM/respawn
churn (hit live on the v0.19.0 video task). The rebase force-pushes
only the task branch (with lease) and cannot write to the base, so the
guard now refuses master/main only when it is mis-resolved: a
branch-bearing parent exists or the parent row is missing/corrupt.
The '-'-prefixed injection guard stays unconditional.
Renn F
93f63d5fe9