fix(需求池): 修复列表换行和版本解绑状态

apps/web/app/versions/page.tsx

@@ -20,6 +20,7 @@ import { useXiaobaoWarningRisks } from '@/hooks/useXiaobaoWarningRisks';
 import type { XiaobaoVersionRisk } from '@/lib/xiaobao-risk';
 import { getRiskScoreTone } from '@/lib/xiaobao-warning-view';
 import { buildVersionScopeTree, filterVersionsForList, type VersionListScope, type VersionProductNode } from '@/lib/version-list';
+import { getRequirementVersionUnlinkPatch } from '@/lib/requirement-version-link';
 import {
   VERSION_DEVELOPMENT_TYPE_OPTIONS,
   canSubmitNewVersionForm,
@@ -158,7 +159,7 @@ function VersionsPageContent() {
     setOpenMenuId(null);
     if (action === 'delete') {
       if (!confirm('确认删除该版本？关联的需求会回到需求池。')) return;
-      requirements.filter((r) => r.versionId === version.id).forEach((r) => updateRequirement(r.id, { versionId: undefined, addedToVersionBy: undefined }));
+      requirements.filter((r) => r.versionId === version.id).forEach((r) => updateRequirement(r.id, getRequirementVersionUnlinkPatch(r)));
       deleteVersion(version.productId, version.id);
       return;
     }