test(tasks): add tests for project color threading

Tests verify ProjectColor is populated in BuildTimeline and copied to WidgetItem.

1 files changed, 25 insertions, 0 deletions

diff --git a/internal/handlers/widget_test.go b/internal/handlers/widget_test.go
index a6ff095..f934dba 100644
--- a/internal/handlers/widget_test.go
+++ b/internal/handlers/widget_test.go
@@ -1189,3 +1189,28 @@ func TestHandleWidgetTaskDetail_IncludesProjectAndLabels(t *testing.T) {
 	}
 }
 
+func TestTimelineItemToWidgetItem_CopiesProjectColor(t *testing.T) {
+	item := models.TimelineItem{
+		ID:           "rec-1",
+		Type:         models.TimelineItemTypeTask,
+		Source:       "doot",
+		ProjectColor: "#3B82F6",
+	}
+
+	wi := TimelineItemToWidgetItem(item)
+
+	if wi.ProjectColor == nil || *wi.ProjectColor != "#3B82F6" {
+		t.Errorf("ProjectColor = %v, want #3B82F6", wi.ProjectColor)
+	}
+}
+
+func TestTimelineItemToWidgetItem_NoProject_NilProjectColor(t *testing.T) {
+	item := models.TimelineItem{ID: "rec-1", Type: models.TimelineItemTypeTask, Source: "doot"}
+
+	wi := TimelineItemToWidgetItem(item)
+
+	if wi.ProjectColor != nil {
+		t.Errorf("ProjectColor = %v, want nil", wi.ProjectColor)
+	}
+}
+