refactor: add shared task model

types/task.ts

@@ -0,0 +1,23 @@
+export type TaskStatus = "Todo" | "In-Progress" | "Complete";
+
+export type TaskSort = "createdAt" | "topic" | "status" | "dueDate";
+
+export type TaskInput = {
+  title: string;
+  description: string;
+  dueDate: string;
+  topic: string;
+};
+
+export type Task = TaskInput & {
+  id: number;
+  status: TaskStatus;
+  archivedAt: string | null;
+  createdAt: string;
+  updatedAt: string;
+  isOverdue: boolean;
+};
+
+export type TaskUpdate = Partial<TaskInput> & {
+  status?: TaskStatus;
+};