refactor: move from union type to object enum

src/kanban/buildKanbanBoard.ts

@@ -1,5 +1,9 @@
-import { Task, TaskStatus } from "@/model/task";
-import { TASK_STATUS_LABELS, TASK_STATUS_ORDER } from "@/ui/taskLabels";
+import { Task } from "@/model/task";
+import {
+	TASK_STATUS_META,
+	TASK_STATUS_ORDER,
+	type TaskStatus,
+} from "@/model/taskStatus";
 
 export type KanbanColumn = {
 	status: TaskStatus;
@@ -11,20 +15,32 @@ export type KanbanBoard = {
 	columns: KanbanColumn[];
 };
 
-/** Build fixed-order status columns; empty columns are kept (unlike groupTasks). */
-export function buildKanbanBoard(tasks: Task[]): KanbanBoard {
-	const columns: KanbanColumn[] = TASK_STATUS_ORDER.map((status) => {
+export type BuildKanbanBoardOptions = {
+	/** When false (default), columns with meta.defaultHidden are omitted. */
+	showHiddenStatuses?: boolean;
+};
+
+/** Build status columns; empty columns kept. Hidden statuses optional. */
+export function buildKanbanBoard(
+	tasks: Task[],
+	options: BuildKanbanBoardOptions = {},
+): KanbanBoard {
+	const showHidden = options.showHiddenStatuses ?? false;
+	const statuses = TASK_STATUS_ORDER.filter(
+		(status) => showHidden || !TASK_STATUS_META[status].defaultHidden,
+	);
+
+	const columns: KanbanColumn[] = statuses.map((status) => {
 		const columnTasks = tasks
 			.filter((task) => task.status === status)
 			.slice()
 			.sort(
-				(a, b) =>
-					new Date(b.updated).getTime() - new Date(a.updated).getTime(),
+				(a, b) => new Date(b.updated).getTime() - new Date(a.updated).getTime(),
 			);
 
 		return {
 			status,
-			label: TASK_STATUS_LABELS[status],
+			label: TASK_STATUS_META[status].label,
 			tasks: columnTasks,
 		};
 	});