The artifact store's seat is named for its scope: mesh-artifact-store

ADR 0121 decided it and deferred it as a delivering-seat migration; ADR 0122's aliases made it one
update and one alias (migration 0048). The former name resolves to it forever (novox/hq ADR 0156,
issue 123).

internal/catalogue/artifact_store_alias_test.go

@@ -0,0 +1,18 @@
+package catalogue
+
+import "testing"
+
+// A claim written before the rename still holds (novox/hq ADR 0122, ADR 0156): with the store's
+// aliases loaded, the former name resolves to the seat.
+func TestTheArtifactStoresFormerNameResolvesToIt(t *testing.T) {
+	was := aliases
+	t.Cleanup(func() { aliases = was })
+	UseAliases(map[string]string{"the-artifact-store": "mesh-artifact-store"})
+	seat, known := SeatNamed("the-artifact-store")
+	if !known || seat.Name != "mesh-artifact-store" || seat.Delivers != "artifact-store" {
+		t.Fatalf("the former name did not resolve: %+v %v", seat, known)
+	}
+	if _, known := SeatNamed("mesh-artifact-store"); !known {
+		t.Fatal("the seat is not in the set under its name")
+	}
+}

internal/catalogue/artifact_store_seat_test.go

@@ -23,7 +23,7 @@ func TestASecondArtifactStoreAnywhereIsRefusedByName(t *testing.T) {
 	}
 
 	// A second one, on any other machine, is refused — and the refusal names the seat.
-	elsewhere := World{Held: []Held{{Claim: "the-artifact-store", Scope: ScopeMesh,
+	elsewhere := World{Held: []Held{{Claim: "mesh-artifact-store", Scope: ScopeMesh,
 		Node: "anchor", Module: "distribution"}}}
 	other := workstation()
 	other.Name = "laptop"
@@ -32,7 +32,7 @@ func TestASecondArtifactStoreAnywhereIsRefusedByName(t *testing.T) {
 		t.Fatal("a second store was accepted on another machine; it would offer artifact-store a " +
 			"second time and every consumer elsewhere would refuse to choose")
 	}
-	if !strings.Contains(err.Error(), "the-artifact-store") || !strings.Contains(err.Error(), "one per mesh") {
+	if !strings.Contains(err.Error(), "mesh-artifact-store") || !strings.Contains(err.Error(), "one per mesh") {
 		t.Fatalf("refused without naming the seat: %v", err)
 	}
 }

internal/catalogue/broker_seat_test.go

@@ -59,7 +59,7 @@ func TestRenamingASeatDidNotRenameTheInterfaceItDelivers(t *testing.T) {
 	for _, pair := range []struct{ seat, delivers string }{
 		{"git", "git"},
 		{"npm-package-registry", "npm-package-registry"},
-		{"the-artifact-store", "artifact-store"},
+		{"mesh-artifact-store", "artifact-store"},
 		{"mesh-store", "postgres-database"},
 		{"mesh-broker", "mesh-bus"},
 	} {

internal/catalogue/seats.go

@@ -66,7 +66,11 @@ var defaultSeats = []Seat{
 	// rather than receives ambiently — 23 of the catalogue's modules never speak, and an ambient
 	// connection would mint a credential for each.
 	{Name: "mesh-broker", Scope: ScopeMesh, Delivers: "mesh-bus", Decision: "novox/hq ADR 0079"},
-	{Name: "the-artifact-store", Scope: ScopeMesh, Delivers: "artifact-store", Decision: "novox/hq ADR 0075"},
+	// Named for its scope since 2026-09-30 (novox/hq ADR 0156); `the-artifact-store` resolves to it as
+	// an alias on a mesh that predates the rename. It serves artifacts of every kind a build makes —
+	// images and archives, by digest — which is why the provision is the artifact store and not an
+	// image registry.
+	{Name: "mesh-artifact-store", Scope: ScopeMesh, Delivers: "artifact-store", Decision: "novox/hq ADR 0075"},
 	{Name: "mesh-catalog", Scope: ScopeMesh, Decision: "novox/hq ADR 0121"},
 	// Deferred renames (novox/hq ADR 0121): these deliver a provision, so renaming them is a
 	// delivering-seat migration with a mesh-wide cascade if a holder stops resolving mid-flight.
@@ -97,8 +101,9 @@ var defaultSeats = []Seat{
 // A system seat name is the control plane's namespace: `mesh-*` for a mesh-wide role, `node-*` for
 // a per-node one (novox/hq ADR 0121). A claim to a system name the mesh does not define is refused;
 // any other name is a module's own to define and claim. Some of the mesh's own seats predate this
-// convention and are not yet renamed (git, npm-package-registry, the-artifact-store,
-// the-private-network) — those are in the set, so they resolve by name, not by prefix.
+// convention and are not yet renamed (git, npm-package-registry, the-private-network) — those are
+// in the set, so they resolve by name, not by prefix. the-artifact-store was renamed on 2026-09-30
+// (novox/hq ADR 0156) and resolves through the alias table on a mesh that knew it.
 func isSystemSeatName(name string) bool {
 	return strings.HasPrefix(name, "mesh-") || strings.HasPrefix(name, "node-")
 }