fix(search): open tasks and list items before completed ones

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

internal/storage/search_test.go

@@ -212,3 +212,27 @@ func TestSearchPrefixAndSpecialCharacters(t *testing.T) {
 		}
 	}
 }
+
+// Open tasks come before completed ones, even when a completed one matches the words better.
+func TestSearchListsOpenTasksFirst(t *testing.T) {
+	store, userA, _ := setupTestStore(t)
+	defer store.Close()
+
+	done := doneTask(t, store, userA.ID, "", "Heizung Heizung Heizung entlüften", "")
+	open, _ := store.CreateThoughtWithDetails(userA.ID, "Heizung warten lassen, Termin mit dem Installateur ausmachen", "normal", "manual", "", "", "todo", "")
+	_, _ = store.UpdateThoughtTriage(userA.ID, open.ID, "keep", "task", "", "", "")
+
+	res, err := store.SearchGlobal(userA.ID, "Heizung")
+	if err != nil {
+		t.Fatal(err)
+	}
+	var order []string
+	for _, h := range res.Hits {
+		if h.Type == "thought" {
+			order = append(order, h.ID)
+		}
+	}
+	if len(order) != 2 || order[0] != open.ID || order[1] != done {
+		t.Fatalf("open task should come first: %v (open %s, done %s)", order, open.ID, done)
+	}
+}