test(hub): collector OOB stanza wiring (H1)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PSK5g6qYLknKj8u3QAFEr6

internal/hub/collect_mgmtplane_test.go

@@ -39,3 +39,27 @@ func TestCollect_MgmtPlanePopulatedWhenWired(t *testing.T) {
 		t.Fatalf("mgmt_plane not carried through: %+v", r.MgmtPlane)
 	}
 }
+
+// fakeOOB is an OOBReporter returning a fixed stanza (or nil).
+type fakeOOB struct{ st *OOBStatus }
+
+func (f fakeOOB) OOBStatus(context.Context) *OOBStatus { return f.st }
+
+func TestCollect_OOBOmittedWhenNil(t *testing.T) {
+	px := &fakePx{node: "n", ns: newTestNodeStatus()}
+	c := NewCollector(px, fakeProber{status: "active"}, fakeObserver{}, nil, nil, nil, "h", "0.72.0", quietLogger())
+	r, _ := c.Collect(context.Background())
+	if r.OOB != nil {
+		t.Fatalf("no reporter → oob omitted, got %+v", r.OOB)
+	}
+}
+
+func TestCollect_OOBPopulatedWhenWired(t *testing.T) {
+	px := &fakePx{node: "n", ns: newTestNodeStatus()}
+	c := NewCollector(px, fakeProber{status: "active"}, fakeObserver{}, nil, nil, nil, "h", "0.72.0", quietLogger())
+	c.SetOOBReporter(fakeOOB{st: &OOBStatus{FelhomSshdActive: true, FelhomSshdPort: 8822, Reachable: true}})
+	r, _ := c.Collect(context.Background())
+	if r.OOB == nil || r.OOB.FelhomSshdPort != 8822 || !r.OOB.Reachable {
+		t.Fatalf("oob not carried through: %+v", r.OOB)
+	}
+}