fix(ai): 拆解原型无需求ID任务

apps/web/lib/ai-decompose-adoption.test.ts

@@ -0,0 +1,42 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+
+import { resolveDecomposeDraftRequirementFields } from './ai-decompose-adoption';
+
+const requirements = [
+  { id: 'req-1', code: 'REQ001', title: '案例分享基础功能' },
+  { id: 'req-2', code: 'REQ002', title: '排行榜' },
+];
+
+test('keeps prototype-only drafts out of formal requirements during adoption', () => {
+  const result = resolveDecomposeDraftRequirementFields(
+    {
+      requirementName: '预入职人员支持',
+      references: [{ type: 'prototype_note', id: 'QY0020', label: 'QY0020' }],
+    },
+    requirements,
+  );
+
+  assert.deepEqual(result, {
+    requirementId: '',
+    requirementName: '预入职人员支持',
+  });
+});
+
+test('maps formal requirement references by code during adoption', () => {
+  const result = resolveDecomposeDraftRequirementFields(
+    {
+      requirementName: '不应覆盖正式需求',
+      references: [
+        { type: 'requirement', id: 'REQ002', label: 'REQ002 排行榜' },
+        { type: 'prototype_note', id: 'QY0030', label: 'QY0030' },
+      ],
+    },
+    requirements,
+  );
+
+  assert.deepEqual(result, {
+    requirementId: 'req-2',
+    requirementName: undefined,
+  });
+});