The incus hook landed and does the post-install work — group, subordinate
id ranges, both units, storage pool, bridge, default profile. Verified
independently here: group exists with the operator in it, both id files
carry the range, service active, pool reports CREATED. The only thing that
fails is a shell whose process tree predates the usermod, which is how
group membership works and not a defect.
So the mechanism was never missing. Hooks are the right place and they
work. The gap is narrower and worse: the hook did six things, six checks
were then performed by a human by hand, and nothing in the pipeline
asserted any of them. A pipeline that dispatched a hook which silently
never fired would have been green in the same 48 seconds — and a hook
named for a feature its module does not carry is skipped without
complaint, thirteen of which were found at once in the past.
The six manual checks are, almost word for word, the module's own
verification: outcomes rather than steps, which is exactly the shape the
lab design asks for. They currently live in a chat message. In the module
they would run on every delivery to every node.
Status moves to diagnosing rather than resolved, and fixed-by records the
instance explicitly as the instance only.