fix(ai): 拆解原型无需求ID任务

apps/web/lib/workspace-engine.test.ts

@@ -1,6 +1,7 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
-import { getWorkspacePendingCount } from './workspace-engine';
+import { aggregateWorkItems, getWorkspacePendingCount } from './workspace-engine';
+import type { DevTask } from './dev-task';
 
 test('getWorkspacePendingCount counts unfinished work items only', () => {
   const count = getWorkspacePendingCount([
@@ -11,3 +12,37 @@ test('getWorkspacePendingCount counts unfinished work items only', () => {
 
   assert.equal(count, 2);
 });
+
+test('aggregateWorkItems uses direct version id for no-requirement dev tasks', () => {
+  const task = {
+    id: 'dev-no-req',
+    taskNo: 'DEV-001',
+    versionId: 'ver-1',
+    requirementId: '',
+    requirementName: '预入职人员支持',
+    title: '实现预入职人员选择',
+    categoryId: 'frontend',
+    assigneeId: '张三',
+    priority: 'P1',
+    expectedStartAt: '',
+    expectedEndAt: '',
+    status: 'todo',
+    isBlocked: false,
+    createdBy: 'AI',
+    createdAt: '2026-06-29T09:00:00.000Z',
+    updatedAt: '2026-06-29T09:00:00.000Z',
+  } as DevTask;
+
+  const items = aggregateWorkItems(
+    '张三',
+    [],
+    [task],
+    [],
+    [],
+    new Map([['ver-1', { id: 'ver-1', name: 'V1.0', productName: 'FTB', projectName: 'PM' }]]),
+    new Map(),
+  );
+
+  assert.equal(items[0].versionId, 'ver-1');
+  assert.equal(items[0].versionName, 'V1.0');
+});