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A module depends on the node seats that apply its resources (hq ADR 0207)

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Seed node-package-manager and node-container-runtime. Derive each module's
dependencies from its declared service, package and container resources;
judge them over the node's whole set, exempting the foundation. Refuse at
assign (several modules may go on as one act) and at unassign of the last
holder; report at composition in status, behind one switch.
This commit is contained in:
jochen
2026-10-04 12:34:11 +02:00
parent 912e9f4e85
commit 10f948e970
16 changed files with 916 additions and 41 deletions
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internal/catalogue/seats.go
+12 -1
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@@ -148,8 +148,19 @@ var defaultSeats = []Seat{
// system or user scope; the holder answers questions and operator acts about them, each verb
// taking the unit and an optional scope. The holder runs nothing of its own: its verbs are
// served by the node tools runtime (ADR 0175).
{Name: "node-service-manager", Scope: ScopeNode, Decision: "novox/hq ADR 0177",
{Name: ServiceManagerSeat, Scope: ScopeNode, Decision: "novox/hq ADR 0177",
Serves: serviceManagerVerbs()},
// The machine's package manager (novox/hq ADR 0207). A module declaring a `package` depends on
// it being held on its node, as one declaring a `service` depends on node-service-manager: the
// mesh's word for "something on this machine answers for installing", where a capability only
// says the software is there. No verbs yet — the seat says who answers, and what may be asked
// of it is decided when someone needs to ask.
{Name: PackageManagerSeat, Scope: ScopeNode, Decision: "novox/hq ADR 0207"},
// The machine's container runtime (novox/hq ADR 0166, seeded now by ADR 0207): a module
// declaring a `container` depends on it being held on its node. Its verbs, and the host creating
// containers through its holder, wait for ADR 0166's acceptance — seeded without them so the
// dependency has a seat to name and the runtime's module has one to claim.
{Name: ContainerRuntimeSeat, Scope: ScopeNode, Decision: "novox/hq ADR 0166, ADR 0207"},
// The operator account's environment (novox/hq ADR 0203): one module per machine writes it, and
// every module contributes to it. No verbs — the seat says who places the environment's files,
// and their path is its protocol: a shell sources ~/.config/mesh/environment.sh without knowing