§610: the runner's seat definition drops every verb's named callers

Builds: design 47 G §610, A-75

Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h

modules/mesh-delivery-pipeline/manifest_test.go

@@ -1,6 +1,7 @@
 package pipeline_test
 
 import (
+	"encoding/json"
 	"os"
 	"slices"
 	"testing"
@@ -83,6 +84,31 @@ func TestManifest(t *testing.T) {
 	}
 }
 
+// §610, A-75: no verb of the runner's definition names its callers, so the class's default holds for each.
+func TestNoVerbNamesItsCallers(t *testing.T) {
+	raw, err := os.ReadFile("../../contracts/seats/mesh-pipeline-runner/seat.json")
+	if err != nil {
+		t.Fatal(err)
+	}
+	var def struct {
+		Verbs []struct {
+			Name    string   `json:"name"`
+			Callers []string `json:"callers"`
+		} `json:"verbs"`
+	}
+	if err := json.Unmarshal(raw, &def); err != nil {
+		t.Fatal(err)
+	}
+	if len(def.Verbs) == 0 {
+		t.Fatal("the definition holds no verb")
+	}
+	for _, v := range def.Verbs {
+		if len(v.Callers) != 0 {
+			t.Errorf("the verb %s names callers %v; from G no verb does (§610)", v.Name, v.Callers)
+		}
+	}
+}
+
 func equalSets(a, b []string) bool {
 	x, y := slices.Clone(a), slices.Clone(b)
 	slices.Sort(x)