diff --git a/modules/nats/cmd/nats-tools/keep.go b/modules/nats/cmd/nats-tools/keep.go
index 09d7bd408..f1a529cf5 100644
--- a/modules/nats/cmd/nats-tools/keep.go
+++ b/modules/nats/cmd/nats-tools/keep.go
@@ -21,8 +21,9 @@ import (
 	"git.novox.be/novox/mesh-contracts/health-and-repair/go/clients/meshhandactsclient"
 	occ "git.novox.be/novox/mesh-contracts/operator-and-conversation/go/clients/operatorchannelclient"
 	oc "git.novox.be/novox/mesh-contracts/operator-and-conversation/go/seats/operatorchannel"
+	catalog "git.novox.be/novox/mesh-delivery/contracts/go/seats/meshcatalog"
 	stdio "git.novox.be/novox/mesh-sdk/go"
-	"git.novox.be/novox/mesh-sdk/go/delivery"
+	"git.novox.be/novox/mesh-sdk/go/catalogue"
 	"git.novox.be/novox/mesh-sdk/go/process"
 	"git.novox.be/novox/mesh-sdk/go/seatdef"
 
@@ -36,24 +37,28 @@ import (
 // each verdict asks for, and acts on the persons' requests its tools put in its own state requests (requests.go) as they
 // are written or answered. It serves nothing (ADR 0436 §3).
 
-// AcceptedOf reads a manifest-accepted body: mesh-sdk's delivery.ManifestAccepted, with the indexer's revision of the
-// verdict when the event carries it (a field mesh-sdk is asked to add; 0 until then).
+// AcceptedOf reads a manifest-accepted body: the seat mesh-catalog's typed event, with the indexer's revision of the
+// verdict when the event carries it (0 from an indexer that does not say it).
 func AcceptedOf(body []byte) (keeper.Accepted, error) {
-	var a struct {
-		delivery.ManifestAccepted
-		Revision uint64 `json:"revision"`
-	}
+	var a catalog.ManifestAcceptedEvent
 	if err := json.Unmarshal(body, &a); err != nil {
 		return keeper.Accepted{}, err
 	}
 	if a.Module == "" {
 		return keeper.Accepted{}, fmt.Errorf("a manifest-accepted names no module")
 	}
-	return keeper.Accepted{Module: a.Module, Digest: a.Digest, Revision: a.Revision, BusState: a.BusState}, nil
+	var state []catalogue.BusStateEntry // the seat types an entry as the manifest wrote it; the keeper reads the catalogue's form
+	if raw, err := json.Marshal(a.BusState); err != nil || json.Unmarshal(raw, &state) != nil {
+		return keeper.Accepted{}, fmt.Errorf("the bus-state of the manifest-accepted of %s is not readable", a.Module)
+	}
+	if len(a.BusState) == 0 {
+		state = nil
+	}
+	return keeper.Accepted{Module: a.Module, Digest: a.Digest, Revision: uint64(max(a.Revision, 0)), BusState: state}, nil
 }
 
 // AcceptedSubject is the seat mesh-catalog's manifest-accepted on the shared events stream.
-var AcceptedSubject = "mesh.seat.mesh-catalog.event." + delivery.ManifestAcceptedEvent
+var AcceptedSubject = catalog.SubjectManifestAccepted
 
 // The router's records of asks, read under this module's own name (ADR 0259 §3), as the mail sender reads them.
 const asksBucket = "messenger_asks"
@@ -324,7 +329,7 @@ func Keep(ctx context.Context, k *keeper.Keeper, hear func(context.Context, func
 				wake(asked)()
 				return nil
 			}
-			if subject != AcceptedSubject && !strings.HasSuffix(subject, ".event."+delivery.ManifestAcceptedEvent) {
+			if subject != AcceptedSubject && !strings.HasSuffix(subject, ".event."+catalog.EventManifestAccepted) {
 				return nil
 			}
 			a, err := AcceptedOf(body)
diff --git a/modules/nats/go.mod b/modules/nats/go.mod
index 951629f3f..5a01c69c4 100644
--- a/modules/nats/go.mod
+++ b/modules/nats/go.mod
@@ -3,6 +3,7 @@ module nats-tools
 go 1.26.0
 
 require (
+	git.novox.be/novox/mesh-delivery/contracts/go/seats/meshcatalog v0.0.0-00010101000000-000000000000
 	git.novox.be/novox/mesh-contracts/health-and-repair/go/clients/meshhandactsclient v0.0.0-00010101000000-000000000000
 	git.novox.be/novox/mesh-contracts/operator-and-conversation/go/clients/operatorchannelclient v0.0.0-00010101000000-000000000000
 	git.novox.be/novox/mesh-contracts/operator-and-conversation/go/seats/operatorchannel v0.0.0-00010101000000-000000000000
@@ -14,6 +15,7 @@ require (
 )
 
 require (
+	git.novox.be/novox/mesh-delivery/contracts/go/seats/meshcatalog v0.0.0-00010101000000-000000000000
 	git.novox.be/novox/mesh-contracts/go v0.0.0-20261104174344-ae5266e77639 // indirect
 	github.com/antithesishq/antithesis-sdk-go v0.8.0-default-no-op // indirect
 	github.com/google/go-tpm v0.9.8 // indirect