T-6: the tool runner reads a sent object by its reference, under the bus state capability

mesh/objects.sent-get reads a sender's sent store only; refused: a state's objects, a reference that is none, an object over a bundle's channel.

Builds: design 47 G §347, §59, §462

Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ

node-tools/internal/runtime/announce_test.go

@@ -2,6 +2,7 @@ package runtime
 
 import (
 	"encoding/json"
+	"git.novox.be/novox/mesh-sdk/go/buscalls"
 	"sort"
 	"strings"
 	"testing"
@@ -143,3 +144,16 @@ func TestTheRunnerStatesTheCapabilitiesOfItsCallsInItsPing(t *testing.T) {
 		t.Errorf("the runner states %q (%v), want its bus-state and ledger calls", ping.Metadata[announce.Capabilities], err)
 	}
 }
+
+// Design 47 G §462: the call that reads a sent object is listed under the bus state capability, and the ledger calls keep theirs.
+func TestTheSentObjectCallBelongsToTheBusStateCapability(t *testing.T) {
+	for c, method := range map[string]string{CapBusStateCalls: buscalls.ObjectsSentGet} {
+		found := false
+		for _, m := range callFamilies[c] {
+			found = found || m == method
+		}
+		if !found {
+			t.Errorf("%s does not list %s", c, method)
+		}
+	}
+}