T-8: the 8 MiB cap holds on a bundle's runtime call only; the console reads a larger sent object whole (af0ba22, taken)

Builds: design 47 G §69, §62, §407

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

node-tools/internal/runtime/sent_cap_test.go

@@ -0,0 +1,21 @@
+package runtime
+
+import (
+	"encoding/json"
+	"strings"
+	"testing"
+
+	"git.novox.be/novox/mesh-sdk/go/buscalls"
+	"git.novox.be/novox/mesh-sdk/go/stateobjects"
+)
+
+// Design 47 G §69, §62, §407: only a bundle's runtime channel holds the cap, so the runtime call refuses a sent object over
+// it before the bus is asked, where the console (which reads through the bus) reads it whole.
+func TestARuntimeCallRefusesASentObjectOverTheBundleChannel(t *testing.T) {
+	params, _ := json.Marshal(buscalls.ObjectsSentGetRequest{Store: "m_sent-objects", Object: "o",
+		Size: int64(stateobjects.BundleObjectMost) + 1, Digest: strings.Repeat("a", 64)})
+	_, err := (&moduleBus{all: &consumers{}}).BusState(buscalls.ObjectsSentGet, params)
+	if err == nil || !strings.Contains(err.Error(), "not read through a bundle") {
+		t.Fatalf("a sent object over the channel was answered %v", err)
+	}
+}