diff --git a/internal/web/web_test.go b/internal/web/web_test.go
index af31c5c..a39add3 100644
--- a/internal/web/web_test.go
+++ b/internal/web/web_test.go
@@ -170,6 +170,39 @@ func TestRefocusAndOnTaskOutsideActiveIs400(t *testing.T) {
 	}
 }
 
+type stubNudger struct{ msg string }
+
+func (s stubNudger) Nudge(ctx context.Context, commitment string, recentTitles []string) (string, error) {
+	return s.msg, nil
+}
+
+func TestActiveStatePayloadCarriesNudge(t *testing.T) {
+	s := newTestServer(t)
+	s.ctrl.SetNudge(stubNudger{msg: "drifted to unrelated work"})
+	r := s.Router()
+	_ = post(t, r, "/planning", "")
+	body := `{"next_action":"Build web","success_condition":"web tests pass","timebox_secs":1500,"allowed_window_classes":["code"]}`
+	if w := post(t, r, "/commitment", body); w.Code != http.StatusOK {
+		t.Fatalf("/commitment code %d body %s", w.Code, w.Body.String())
+	}
+	// Two distinct on-task titles trip the nudge (history >= 2; first call has no
+	// debounce to wait on).
+	s.ctrl.RecordWindow(evidence.WindowSnapshot{Class: "code", Title: "a.go", Health: evidence.EvidenceHealth{Available: true}})
+	s.ctrl.RecordWindow(evidence.WindowSnapshot{Class: "code", Title: "b.go", Health: evidence.EvidenceHealth{Available: true}})
+
+	deadline := time.Now().Add(2 * time.Second)
+	for time.Now().Before(deadline) {
+		if d := s.ctrl.State().Drift; d != nil && d.Nudge != "" {
+			break
+		}
+		time.Sleep(5 * time.Millisecond)
+	}
+	js := s.stateJSON()
+	if !strings.Contains(js, `"nudge":"drifted to unrelated work"`) {
+		t.Fatalf("payload missing nudge: %s", js)
+	}
+}
+
 func TestCommitmentCarriesAllowedClassesAndRoutesWork(t *testing.T) {
 	s := newTestServer(t)
 	r := s.Router()