feat(产品方案): 优化计划卡片展示和排序

apps/web/lib/version-plan.test.ts

@@ -0,0 +1,37 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+
+import * as versionPlan from './version-plan';
+import type { VersionPlan } from './version-plan';
+
+function plan(patch: Partial<VersionPlan>): VersionPlan {
+  return {
+    id: 'plan-1',
+    versionId: 'version-1',
+    type: 'product',
+    title: '产品方案',
+    owner: 'PM',
+    startTime: '2026-06-25T09:00',
+    endTime: '2026-06-25T18:00',
+    status: 'pending',
+    createdAt: '2026-06-25',
+    addedBy: 'PM',
+    ...patch,
+  };
+}
+
+test('sortPlansNewestFirst places newly created plans before older plans', () => {
+  const sortPlansNewestFirst = (versionPlan as any).sortPlansNewestFirst as undefined | ((plans: VersionPlan[]) => VersionPlan[]);
+  assert.equal(typeof sortPlansNewestFirst, 'function');
+
+  const plans = [
+    plan({ id: 'plan-100', createdAt: '2026-06-26' }),
+    plan({ id: 'manual-old', createdAt: '2026-06-25' }),
+    plan({ id: 'plan-300', createdAt: '2026-06-26' }),
+  ];
+
+  const sorted = (sortPlansNewestFirst as (items: VersionPlan[]) => VersionPlan[])(plans);
+
+  assert.deepEqual(sorted.map((item) => item.id), ['plan-300', 'plan-100', 'manual-old']);
+  assert.deepEqual(plans.map((item) => item.id), ['plan-100', 'manual-old', 'plan-300']);
+});

apps/web/lib/version-plan.ts

@@ -78,6 +78,26 @@ export interface VersionPlan {
 
 export type PlanType = VersionPlan['type'];
 
+function getPlanCreatedAtTime(plan: VersionPlan): number {
+  const time = new Date(plan.createdAt).getTime();
+  return Number.isFinite(time) ? time : 0;
+}
+
+function getPlanIdTime(plan: VersionPlan): number {
+  const match = /^plan-(\d+)$/.exec(plan.id);
+  if (!match) return 0;
+  const time = Number(match[1]);
+  return Number.isFinite(time) ? time : 0;
+}
+
+export function sortPlansNewestFirst(plans: VersionPlan[]): VersionPlan[] {
+  return [...plans].sort((a, b) => {
+    const createdDiff = getPlanCreatedAtTime(b) - getPlanCreatedAtTime(a);
+    if (createdDiff !== 0) return createdDiff;
+    return getPlanIdTime(b) - getPlanIdTime(a);
+  });
+}
+
 export function calcPlanProgress(tasks?: PlanTask[]): number {
   if (!tasks || tasks.length === 0) return 0;
   const completed = tasks.filter((t) => t.status === 'completed').length;