feat: add dashboard and commands

src/dashboard/buildDashboardView.ts

@@ -0,0 +1,31 @@
+import { Task } from "@/model/task";
+import { filterTasks, type TaskFilter } from "./filterTasks";
+import { groupTasks, type GroupBy, type TaskGroup } from "./groupTasks";
+
+export type DashboardViewOptions = {
+	filter?: TaskFilter;
+	groupBy?: GroupBy;
+	selectedId?: string;
+};
+
+export type DashboardView = {
+	visibleTasks: Task[];
+	groups: TaskGroup[];
+	selected: Task | undefined;
+};
+
+export function buildDashboardView(
+	tasks: Task[],
+	options: DashboardViewOptions = {},
+): DashboardView {
+	const filter = options.filter ?? {};
+	const groupBy = options.groupBy ?? "none";
+
+	const visibleTasks = filterTasks(tasks, filter);
+	const groups = groupTasks(visibleTasks, groupBy);
+	const selected = options.selectedId
+		? tasks.find((t) => t.id === options.selectedId)
+		: undefined;
+
+	return { visibleTasks, groups, selected };
+}