Merge b6/registry into the registry milestone's join: the console reads through the assigner's client, with the seat name mesh-module-assigner (issue 1966)

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

node-tools/internal/console/runtimes_test.go

@@ -8,7 +8,8 @@ import (
 	"testing"
 	"time"
 
-	"git.novox.be/novox/mesh-sdk/go/delivery"
+	assigner "git.novox.be/novox/mesh-contracts/placement/go/clients/meshmoduleassignerclient"
+	seatplacement "git.novox.be/novox/mesh-contracts/placement/go/seats/meshmoduleassigner"
 	"github.com/nats-io/nats.go/micro"
 
 	"github.com/novox/mesh-tools/node-tools/internal/announce"
@@ -61,13 +62,15 @@ func TestARuntimeThatAnswersLateIsFoundAndOneThatNeverDoesIsNamed(t *testing.T)
 		map[string][]string{"laptop": {"slack", "nextcloud-client"}, "sleeper": {"nap", "nextcloud-client"},
 			"desktop": {"nextcloud-client"}, "bench": nil})
 	// Who holds which seat, by placement (ADR 0571 clause 4), as the seat mesh-module-assigner's holder composes it.
-	placedKV := mesh.Bucket(t, delivery.SeatHoldersBucket)
-	for key, sh := range delivery.SeatHoldersOf(map[string]delivery.Placement{"bench": {Node: "bench",
-		Holds: []delivery.Holding{{Claim: "mesh-wants", Scope: "mesh", Module: "mesh-delivery-assigner"}}}}) {
-		raw, _ := json.Marshal(sh)
-		if _, err := placedKV.Put(key, raw); err != nil {
-			t.Fatal(err)
-		}
+	placedKV := mesh.Bucket(t, assigner.SeatHoldersBucket)
+	holdersKey, err := assigner.SeatHoldersKey("mesh-wants", "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	raw, _ := json.Marshal(seatplacement.SeatHolders{V: assigner.Version, Seat: "mesh-wants", Scope: "mesh",
+		Holders: []seatplacement.SeatHoldersHoldersItem{{Module: "mesh-delivery-assigner", Node: "bench"}}})
+	if _, err := placedKV.Put(holdersKey, raw); err != nil {
+		t.Fatal(err)
 	}
 	consoleMembership := mt.MembershipOf("node-tools", "laptop-console", false, nil)
 	consoleMembership.State = mt.ConsoleReads()