diff --git a/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/bus_test.go b/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/bus_test.go
index 377ac130..79e1c42f 100644
--- a/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/bus_test.go
+++ b/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/bus_test.go
@@ -584,6 +584,8 @@ func TestAPassingVerdictAsksTheApproveAndItsApproveMergesWithinSecondsOverARealB
 	// The bridge says it merged; the mesh's source then holds the merge, in one write.
 	b.forgeSays(t, sdk.Forge{Kind: sdk.ForgeMerged, Repository: "novox/app", Number: 7, Head: head, Merge: strings.Repeat("b", 40),
 		Root: "r", Trees: map[string]string{"app": "t"}})
+	// The forge's own word that the pull request merged follows the bridge's (its webhook): the delivery ends merged.
+	b.publish(t, "mesh.mod.gitea.event.pull.merged", merged("novox/app", 7, head, strings.Repeat("b", 40)))
 	rt.until("source.main to hold the merge", eventWithin, func() bool {
 		e, err := b.kvs["source"].Get(ctx, sdk.SourceMainKey)
 		if err != nil {
@@ -742,6 +744,7 @@ func TestAGroupOfTwoWithGreenChecksGetsOneAskAndOnItsApproveBothMergeOneAfterThe
 	one := first.Pulls[0]
 	b.forgeSays(t, sdk.Forge{Kind: sdk.ForgeMerged, Repository: one.Repository, Number: one.Number, Head: one.Head.Head,
 		Merge: strings.Repeat("a", 40), Root: "r", Trees: map[string]string{"x": "t"}})
+	b.publish(t, "mesh.mod.gitea.event.pull.merged", merged(one.Repository, one.Number, one.Head.Head, strings.Repeat("a", 40)))
 	var both sdk.Merge
 	rt.until("the second member to be handed", eventWithin, func() bool { both = mergeAt(b, "feat/x"); return len(both.Pulls) == 2 })
 	if both.Pulls[0].State != sdk.MergeMerged || both.Pulls[1].State != sdk.MergeMerging || both.Pulls[1].Repository == one.Repository {
@@ -750,6 +753,7 @@ func TestAGroupOfTwoWithGreenChecksGetsOneAskAndOnItsApproveBothMergeOneAfterThe
 	two := both.Pulls[1]
 	b.forgeSays(t, sdk.Forge{Kind: sdk.ForgeMerged, Repository: two.Repository, Number: two.Number, Head: two.Head.Head,
 		Merge: strings.Repeat("b", 40), Root: "r", Trees: map[string]string{"x": "t"}})
+	b.publish(t, "mesh.mod.gitea.event.pull.merged", merged(two.Repository, two.Number, two.Head.Head, strings.Repeat("b", 40)))
 	rt.until("source.main to hold both merges", eventWithin, func() bool {
 		e, err := b.kvs["source"].Get(ctx, sdk.SourceMainKey)
 		if err != nil {
diff --git a/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/catalogue_test.go b/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/catalogue_test.go
index fbc0e656..3f46a2fd 100644
--- a/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/catalogue_test.go
+++ b/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/catalogue_test.go
@@ -12,11 +12,10 @@ import (
 // **The gate is the only claimant of the seat `mesh-delivery` in the catalogue** (novox/hq ADR 0437 §1, ADR 0449 §4, ADR 0454,
 // issue 1351; how it is checked). Today's module `modules/mesh-delivery` was removed by a pull request of its own after the
 // handover, so the claimants are exactly one. And no manifest but the gate's and mesh-issues' names the old module in what it
-// reads or hears, but through the seat's name (`mesh-delivery` as a seat or a repository, `seat:mesh-delivery.<verb>`) and the
-// names below: the three buckets the gate carries over (ADR 0450 §6). The event `mesh-delivery.transition` is no longer heard by anyone (issue 1406).
-var oldModuleNames = map[string][]string{
-	"mesh-delivery-gate": {"mesh-delivery.deliveries", "mesh-delivery.groups", "mesh-delivery.pulls"},
-}
+// reads or hears, but through the seat's name (`mesh-delivery` as a seat or a repository, `seat:mesh-delivery.<verb>`). The
+// three buckets the gate once carried over (ADR 0450 §6) went with the carry (ADR 0539 §17), and the event
+// `mesh-delivery.transition` is heard by no one (issue 1406).
+var oldModuleNames = map[string][]string{}
 
 // seatClaimants are the modules that claim the seat: the gate alone.
 var seatClaimants = []string{"mesh-delivery-gate"}
diff --git a/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/holder.go b/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/holder.go
index ac19da4d..6bc8f298 100644
--- a/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/holder.go
+++ b/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/holder.go
@@ -877,9 +877,6 @@ func (h *Holder) plan() []func() {
 	return asks
 }
 
-// askedCheck is whether a proposed delivery's own check stands asked: a kept ask with no id is none.
-func askedCheck(d *Delivery) bool { return d.CheckAsk != nil && d.CheckAsk.ID != "" }
-
 // askChecks reads the forge's open pull requests once for the proposed deliveries with no verdict (issue 1115), and takes the
 // checker's mesh/check where one stands on a head (issue 1302); the base's required statuses are kept. Nothing is asked of
 // the controller: the checker checks every head on every move (ADR 0447 §4, issue 1318). Under the lock; the read runs outside it.
@@ -1088,9 +1085,3 @@ func containsString(xs []string, x string) bool {
 	}
 	return false
 }
-
-// refusedAfter is whether a member's merge, not yet merged, was refused by the merge tool in a try made at or after at.
-func refusedAfter(d *Delivery, at time.Time) bool {
-	r := d.Ready
-	return r != nil && r.Merged == nil && d.MergedAs == "" && r.RefusedSince != nil && !r.LastTry.Before(at)
-}
diff --git a/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/holder_test.go b/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/holder_test.go
index ef33cabf..49e8c2a0 100644
--- a/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/holder_test.go
+++ b/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/holder_test.go
@@ -359,14 +359,3 @@ func TestGroupsNamesEachMembersPullRequestHeadBaseAndOpen(t *testing.T) {
 		}
 	}
 }
-
-// composed are the asks of a group's composed check among the checks asked: a member's own check has no group before its colon.
-func composed(checks []string) []string {
-	var out []string
-	for _, c := range checks {
-		if !strings.HasPrefix(c, ":") {
-			out = append(out, c)
-		}
-	}
-	return out
-}
diff --git a/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/manifest_test.go b/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/manifest_test.go
index 2a23ea58..aea23e81 100644
--- a/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/manifest_test.go
+++ b/modules/mesh-delivery-gate/cmd/mesh-delivery-gate/manifest_test.go
@@ -10,6 +10,8 @@ import (
 	"strings"
 	"testing"
 	"time"
+
+	"git.novox.be/novox/mesh-sdk/go/catalogue"
 )
 
 // The manifest says what the code does: the seat it claims and the verbs it serves, the events it follows
@@ -202,3 +204,40 @@ func TestARowWrittenWithTheReadyMarkStillReads(t *testing.T) {
 		t.Fatalf("the old row is not read: %+v", d.Ready)
 	}
 }
+
+// R6-C3 (ADR 0539 §17): the gate holds the seat as the SDK's table of release 6 has it. Every verb of the table that is not
+// optional is served; the verbs release 6 removed are optional rows the SDK answers by name, and the gate serves none of them;
+// and the SDK's own test of whether a module can hold a seat (CanHold) finds nothing missing or unpromised.
+func TestTheGateHoldsTheSeatAsTheSDKsTableOfRelease6HasIt(t *testing.T) {
+	_, raw := readManifest(t)
+	manifest, err := catalogue.ParseManifest([]byte(raw))
+	if err != nil {
+		t.Fatalf("the SDK this module pins cannot read its manifest: %v", err)
+	}
+	seat, ok := catalogue.SeatNamed("mesh-delivery")
+	if !ok {
+		t.Fatal("the SDK this module pins names no seat mesh-delivery")
+	}
+	if err := catalogue.CanHold(manifest, seat); err != nil {
+		t.Fatalf("the gate cannot hold the seat of the SDK it pins: %v", err)
+	}
+	served := map[string]bool{}
+	for _, tool := range tools(&Holder{}, &listening{}) {
+		if _, verb, ok := strings.Cut(tool.Name, "."); ok {
+			served[verb] = true
+		}
+	}
+	for removed := range catalogue.RemovedDeliveryVerbs {
+		if served[removed] {
+			t.Errorf("the gate serves %s, which release 6 removed: the SDK answers it by name", removed)
+		}
+		if slices.Contains(manifest.Claims[0].Serves, removed) {
+			t.Errorf("the manifest serves %s, which release 6 removed", removed)
+		}
+	}
+	for _, verb := range []string{"deliveries", "show", "groups", "checks", "table", "stalled", "recheck", "close"} {
+		if !served[verb] {
+			t.Errorf("the gate does not serve %s, which the seat keeps", verb)
+		}
+	}
+}
diff --git a/modules/mesh-delivery-gate/go.mod b/modules/mesh-delivery-gate/go.mod
index 6d836fc2..280f4735 100644
--- a/modules/mesh-delivery-gate/go.mod
+++ b/modules/mesh-delivery-gate/go.mod
@@ -3,7 +3,7 @@ module mesh-delivery-gate
 go 1.26.0
 
 require (
-	git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022190740-104533e8c0c9
+	git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261024143211-d506f2196a7c
 	github.com/nats-io/nats-server/v2 v2.11.17
 	github.com/nats-io/nats.go v1.54.0
 )
diff --git a/modules/mesh-delivery-gate/go.sum b/modules/mesh-delivery-gate/go.sum
index db1ea18c..f67974cd 100644
--- a/modules/mesh-delivery-gate/go.sum
+++ b/modules/mesh-delivery-gate/go.sum
@@ -1,5 +1,5 @@
-git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022190740-104533e8c0c9 h1:Ufmd2cYEXICQ817IGflccP9bexABE4WhIO49HPbaoSo=
-git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022190740-104533e8c0c9/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
+git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261024143211-d506f2196a7c h1:WwOv9KGSaZh38Pbz2tGVXFMn5girjUZvjHG+8xYSY0o=
+git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261024143211-d506f2196a7c/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
 github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op h1:Z/MZK75wC/NSrkgqeNIa7jexam9uWzhLmFTSCPI/kn0=
 github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op/go.mod h1:FQyySiasQQM8735Ddel3MRojmy4dA1IqCeyJ5jmPMbI=
 github.com/google/go-tpm v0.9.8 h1:slArAR9Ft+1ybZu0lBwpSmpwhRXaa85hWtMinMyRAWo=