Work breakdown 1.2. Two sessions run on the control-plane node — the
node's own and the mesh's (novox/hq ADR 0026) — so a machine stopped
being a usable answer to "whose licence is this".
14-model-access.md called per-module-per-machine "a step toward it and
not it", and that is true of a worker: many run on one machine from one
module, so the pair cannot name them apart. It is not true of a session.
The two sessions are two modules — the same mechanism started in
different context roots, and a context root is what a module delivers —
so (node, module) tells them apart and nothing needed adding.
Checked rather than argued: different licences on one machine, each with
its own key, and a session on no licence is not handed the other's.
The third test exists because a fault injection stayed silent. The first
two put the sessions on different licences, so the licence alone
disambiguates and the module argument is never load-bearing — removing
it from the query changed nothing and everything still passed. Two
sessions on the SAME licence is the case that needs the pair to be the
identity: releasing one must leave the other, and a machine-shaped
answer takes both.
jschoubben
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