No client names a holder: each reader keeps its own constant, held to its manifest (ADR 0625 section 4, issue 1966)

Claude-Session: https://claude.ai/code/session_01NcbgfFSnn24M3GcqttoU7i

modules/mesh-grants/internal/buscompose/buscompose_test.go

@@ -2,9 +2,6 @@ package buscompose
 
 import (
 	"encoding/json"
-	"git.novox.be/novox/mesh-contracts/go/seats/meshbroker"
-	"git.novox.be/novox/mesh-contracts/identity-and-access/go/seats/meshnodeenroller"
-	"git.novox.be/novox/mesh-contracts/placement/go/seats/meshmoduleassigner"
 	"maps"
 	"os"
 	"path/filepath"
@@ -14,9 +11,12 @@ import (
 	"testing"
 	"time"
 
+	"git.novox.be/novox/mesh-contracts/go/seats/meshbroker"
+	"git.novox.be/novox/mesh-contracts/identity-and-access/go/seats/meshnodeenroller"
+	"git.novox.be/novox/mesh-contracts/placement/go/seats/meshmoduleassigner"
+
 	"git.novox.be/novox/mesh-contracts/identity-and-access/go/clients/meshvaultclient"
 	"git.novox.be/novox/mesh-contracts/identity-and-access/go/seats/meshvault"
-	"git.novox.be/novox/mesh-contracts/placement/go/clients/meshmoduleassignerclient"
 	"git.novox.be/novox/mesh-delivery/modules/mesh-delivery-builder/builds"
 	"git.novox.be/novox/mesh-sdk/go/announce"
 	"git.novox.be/novox/mesh-sdk/go/catalogue"
@@ -60,7 +60,7 @@ func TestTheCopiedComposerComposesAsTheControllers(t *testing.T) {
 	// ADR 0567 §3, §9: a node reads every key of the seat's placement and its candidates (it composes with the whole
 	// proposal laid over), and none of its open proposals; it writes neither.
 	reads := strings.Join(NodeComposeReads("laptop"), " ")
-	for bucket, granted := range map[string]bool{meshmoduleassignerclient.PlacementBucket: true, PlacementCandidatesBucket: true,
+	for bucket, granted := range map[string]bool{PlacementBucket: true, PlacementCandidatesBucket: true,
 		PlacementProposalsBucket: false} {
 		if strings.Contains(reads, "$JS.API.DIRECT.GET.KV_"+bucket+".>") != granted || strings.Contains(reads, "$KV."+bucket+".laptop") {
 			t.Errorf("a node is granted %s: %v, want %v", bucket, !granted, granted)
@@ -655,7 +655,7 @@ func healthChecks(t *testing.T) {
 		{Module: "mesh-provisioner-client", ProvisionsNode: true},
 		// ADR 0571 clauses 2, 4 (issue 1955): the seat mesh-artifact-sweep says artifacts-gone; the assigner keeps seat-holders.
 		{Module: "artifact-store-tools", Holds: []Seat{{Name: "mesh-artifact-sweep", Emits: []string{"artifacts-gone"}}},
-			Reads: []string{meshmoduleassignerclient.SeatHoldersRead}},
+			Reads: []string{SeatHoldersRead}},
 		{Module: AssignerModule, State: []Bucket{bucket(AssignerModule, meshmoduleassigner.StateSeatHolders)}},
 		// ADR 0571 clause 3: disk-load keeps the readings; the backup holder reads them.
 		// ADR 0577 clause 1: and it reads its own node's keys of the node-engine's data items, which restic may not.

modules/mesh-grants/internal/buscompose/names.go

@@ -15,6 +15,13 @@ const (
 	// EnrolmentModule is the module holding the seat mesh-node-enroller.
 	EnrolmentModule = "mesh-enrolment"
 
+	// PlacementBucket and SeatHoldersBucket are the assigner's states placement and seat-holders (reads:
+	// mesh-delivery-assigner.placement; the seat-holders state is read as a named reader), PlacementRead the address of the first.
+	PlacementBucket   = AssignerModule + "_placement"
+	PlacementRead     = AssignerModule + ".placement"
+	SeatHoldersRead   = AssignerModule + ".seat-holders"
+	SeatHoldersBucket = AssignerModule + "_seat-holders"
+
 	AssignerWantsBucket       = AssignerModule + "_wants"
 	PlacementCandidatesBucket = AssignerModule + "_candidates"
 	PlacementProposalsBucket  = AssignerModule + "_placement-proposals"

modules/mesh-grants/internal/buscompose/names_test.go

@@ -32,6 +32,7 @@ func namesAreTheManifests(t *testing.T) {
 		{"reads", HaveBucket[:strings.Index(HaveBucket, "_")] + ".have", HaveBucket},
 		{"reads", NodeLoginsRead, NodeLoginsBucket},
 		{"reads", EnrolmentsRead, EnrolmentsBucket},
+		{"invokes", PlacementRead, PlacementBucket},
 		{"invokes", AssignerModule + ".wants", AssignerWantsBucket},
 		{"invokes", IndexerModule + ".modules", ModulesBucket},
 		{"invokes", IndexerModule + ".manifests", ManifestsBucket},

modules/mesh-grants/internal/buscompose/provisioner.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"strings"
 
-	"git.novox.be/novox/mesh-contracts/placement/go/clients/meshmoduleassignerclient"
 	"git.novox.be/novox/mesh-contracts/provisioning/go/clients/meshprovisionerclient"
 
 	"github.com/nats-io/nats.go"
@@ -49,7 +48,7 @@ var ProvisionerReads = []string{ConfigResolvedBucket}
 // reason** (2026-10-30 recovery, issue 774): the client V3 watches every machine's plans to bind a provider's
 // consumers, and granted only its own machine's keys it read none. ADR 0570 clause 3 has providers act on the seat's
 // provision keys instead; once the client does, plans go back to its own machine's keys.
-var ProvisionerReadsWhole = []string{meshmoduleassignerclient.PlacementBucket, meshprovisionerclient.PlansBucket}
+var ProvisionerReadsWhole = []string{PlacementBucket, meshprovisionerclient.PlansBucket}
 
 // BoundState is a providing module's state of entries, one per consumer (mesh-sdk go/provider, issue 678): a
 // consumer's machine's client reads its own keys of it, `<node>.<module>.<provision>[.<local>]`, to fill

modules/mesh-grants/internal/buscompose/state.go

@@ -2,12 +2,12 @@ package buscompose
 
 import (
 	"fmt"
-	"git.novox.be/novox/mesh-contracts/placement/go/clients/meshmoduleassignerclient"
-	"git.novox.be/novox/mesh-delivery/modules/mesh-delivery-builder/builds"
-	"git.novox.be/novox/mesh-sdk/go/announce"
 	"slices"
 	"strings"
 	"time"
+
+	"git.novox.be/novox/mesh-delivery/modules/mesh-delivery-builder/builds"
+	"git.novox.be/novox/mesh-sdk/go/announce"
 )
 
 // A module's state on the bus (novox/hq ADR 0201, design 32 §4, design 25 §3).
@@ -341,7 +341,7 @@ const ResolvedBucket = "mesh-config_resolved"
 // secret. Reads only; the node is checked as every subject token is by the caller's principal.
 func NodeComposeReads(node string) []string {
 	var out []string
-	for _, bucket := range []string{meshmoduleassignerclient.PlacementBucket, PlacementCandidatesBucket, ModulesBucket,
+	for _, bucket := range []string{PlacementBucket, PlacementCandidatesBucket, ModulesBucket,
 		ManifestsBucket, builds.BuilderBuildsBucket} {
 		out = append(out, readGrants(bucket, "")...)
 	}
@@ -351,7 +351,7 @@ func NodeComposeReads(node string) []string {
 // NodeComposeAdvisories are the stream-created advisories of the seat mesh-placement's placement and candidates
 // (ADR 0567 §9): what a node agent hears to bind each once it is made. Those two and no wider.
 func NodeComposeAdvisories() []string {
-	return []string{StreamCreatedAdvisory(meshmoduleassignerclient.PlacementBucket), StreamCreatedAdvisory(PlacementCandidatesBucket)}
+	return []string{StreamCreatedAdvisory(PlacementBucket), StreamCreatedAdvisory(PlacementCandidatesBucket)}
 }
 
 // ServedReadGrants is the read of each key of mesh-config's resolved values named, `<node>.<module>.<key>`

modules/mesh-grants/internal/grants/inputs.go

@@ -17,6 +17,8 @@ import (
 	"sync"
 	"time"
 
+	"mesh-grants/internal/buscompose"
+
 	"git.novox.be/novox/mesh-contracts/go/clients/nodeengineclient"
 	"git.novox.be/novox/mesh-contracts/go/seats/nodeengine"
 	"git.novox.be/novox/mesh-contracts/identity-and-access/go/clients/meshvaultclient"
@@ -30,7 +32,6 @@ import (
 	"git.novox.be/novox/mesh-delivery/modules/mesh-delivery-builder/builds"
 	"git.novox.be/novox/mesh-networking/modules/mesh-wireguard/go/overlay"
 	"git.novox.be/novox/mesh-sdk/go/catalogue"
-	"mesh-grants/internal/buscompose"
 )
 
 // The states of other parts the grants part reads, as its manifest's reads name them (`<module>.<state>`).
@@ -48,7 +49,7 @@ const (
 	ReadAccounts = "mesh-vault.bus-accounts"
 	// ReadPlacement is the seat mesh-placement's placement (ADR 0567 §1, §9): each node's modules and the seats
 	// they hold.
-	ReadPlacement = meshmoduleassignerclient.PlacementRead
+	ReadPlacement = buscompose.PlacementRead
 	// ReadEnrolments is the seat mesh-enrolment's open enrolments, read as a named reader (ADR 0587 §2, §4): a key at
 	// live or redeeming composes the user enrol.<node>.
 	ReadEnrolments = buscompose.EnrolmentsRead