feat(版本详情): 接入计划时间与日期选择

apps/web/lib/dev-task-transitions.test.ts

@@ -0,0 +1,33 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+
+import type { DevTask } from './dev-task';
+import { needsDelayReason } from './dev-task-transitions';
+
+function task(patch: Partial<DevTask> = {}): DevTask {
+  return {
+    id: 'task-1',
+    taskNo: 'DEV-001',
+    requirementId: 'req-1',
+    title: '实现排班规则',
+    categoryId: 'cat-frontend-interaction',
+    assigneeId: 'Alice',
+    priority: 'P2',
+    expectedStartAt: '2026-06-29T01:00:00.000Z',
+    expectedEndAt: '2026-06-29T10:00:00.000Z',
+    status: 'todo',
+    isBlocked: false,
+    createdBy: 'PM',
+    createdAt: '2026-06-29T00:00:00.000Z',
+    updatedAt: '2026-06-29T00:00:00.000Z',
+    ...patch,
+  };
+}
+
+test('needsDelayReason does not require a reason before expected end time', () => {
+  assert.equal(needsDelayReason(task(), new Date('2026-06-29T09:00:00.000Z')), false);
+});
+
+test('needsDelayReason requires a reason after expected end time for todo tasks', () => {
+  assert.equal(needsDelayReason(task(), new Date('2026-06-29T10:01:00.000Z')), true);
+});