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/busstate.go

@@ -7,6 +7,7 @@ import (
 
 	stdio "git.novox.be/novox/mesh-sdk/go"
 	"git.novox.be/novox/mesh-sdk/go/buscalls"
+	"git.novox.be/novox/mesh-sdk/go/stateobjects"
 )
 
 // The capabilities the tool runner states of the calls it answers (novox/hq ADR 0595 §9, ADR 0597; design 25 § 12.4): each is
@@ -69,7 +70,10 @@ func (b *moduleBus) BusState(method string, params json.RawMessage) (json.RawMes
 		var r buscalls.ObjectsSentGetRequest
 		if err = decode(method, params, &r); err == nil {
 			var got *buscalls.ObjectData
-			if got, err = conn.SentGet(r); err == nil {
+			if r.Size > stateobjects.BundleObjectMost {
+				// Only the bundle's channel is limited (design 47 "Any size"): the console reads a larger one whole.
+				err = fmt.Errorf("the sent object %s is %d bytes and a bundle's runtime channel carries at most %d: it is not read through a bundle", r.Object, r.Size, stateobjects.BundleObjectMost)
+			} else if got, err = conn.SentGet(r); err == nil {
 				answer = got
 			}
 		}

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)
+	}
+}