The part adopts meshcatalogclient's branch follower on a views.ProcessReader holding its held finding writer (so its
view-waits is the reader's); the manifest of the build a want or a have names is the catalog graph's entry of that
fingerprint, not a builder's build (the `builds` read is gone); until every first view of the catalog half is in, the pass
keeps the list in force and only adds, says so in its log and in grants_first_views.
Builds: design 47 G §684, §444, §614, §191, A-5, A-52
Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
jschoubben
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