Node-engine: the have, the node's facts, the record, the health report and the data items are the seat's contract types, written through the node-engine client; the interim bridge is gone (Have group, ADR 0634 §1, §4; issue 1966)

Claude-Session: https://claude.ai/code/session_01NcbgfFSnn24M3GcqttoU7i

internal/userlist/userlist_test.go

@@ -109,7 +109,7 @@ func TestTheBusNodeWritesTheGrantsPartsUserListAlone(t *testing.T) {
 		failWrite     bool
 		onDisk        string
 		wantWrites    []string // contents written, in order
-		wantUsers     int
+		wantUsers     int64
 		wantErr       string
 		wantRefused   bool
 		grants        []gput