1 files changed, 38 insertions, 0 deletions
diff --git a/internal/handlers/widget_test.go b/internal/handlers/widget_test.go
index e4a1d16..efe6858 100644
--- a/internal/handlers/widget_test.go
+++ b/internal/handlers/widget_test.go
@@ -386,3 +386,41 @@ func TestWidgetAuthMiddleware_EmptyToken(t *testing.T) {
 		t.Fatalf("expected 401 with empty token, got %d", w.Code)
 	}
 }
+
+// TestTimelineItemToWidgetItem_ForwardsRecurringEventID proves the
+// 2026-07-12 recurrence-display fix's data plumbing: a calendar event's
+// RecurringEventId (captured from Google's API, which only puts the RRULE
+// itself on the master event, not on expanded instances) must reach the
+// client so it can look up the human-readable schedule on demand.
+func TestTimelineItemToWidgetItem_ForwardsRecurringEventID(t *testing.T) {
+	item := models.TimelineItem{
+		ID:               "cal-1",
+		Title:            "Team sync",
+		Source:           "calendar",
+		Type:             models.TimelineItemTypeEvent,
+		Time:             time.Now(),
+		RecurringEventID: "master-123",
+	}
+
+	wi := TimelineItemToWidgetItem(item)
+
+	if wi.RecurringEventID != "master-123" {
+		t.Errorf("RecurringEventID = %q, want %q", wi.RecurringEventID, "master-123")
+	}
+}
+
+func TestTimelineItemToWidgetItem_NonRecurring_EmptyRecurringEventID(t *testing.T) {
+	item := models.TimelineItem{
+		ID:     "cal-2",
+		Title:  "One-off meeting",
+		Source: "calendar",
+		Type:   models.TimelineItemTypeEvent,
+		Time:   time.Now(),
+	}
+
+	wi := TimelineItemToWidgetItem(item)
+
+	if wi.RecurringEventID != "" {
+		t.Errorf("expected empty RecurringEventID for a non-recurring event, got %q", wi.RecurringEventID)
+	}
+}