mesh/merge-gate pass: the change touches no module of the mesh's graph
mesh/repo-check pass: its merge-check.sh passed, each part in its toolchain: merge-check.sh (typescript), replays/merge-check.sh (go)
mesh/delivery-group group fix/assign-says-why-a-module-is-not-there checking: 1 of 2 member(s) ready
mesh/delivery superseded: a newer head of the same pull request
hq issue 325: assign said no module of that name a minute after the merge that asked for the module's build. Proved: fails on a759ac6, passes on b93dea8.