fix(version): 限制任务需求候选为版本已关联需求

apps/web/app/versions/[id]/page.tsx

@@ -28,7 +28,7 @@ import { calcGroupProgress as calcDevTaskProgress } from '@/lib/dev-task';
 import { hasPermission } from '@/lib/permissions';
 import { calcActualElapsedHours, formatActualDuration } from '@/lib/work-hours';
 import { formatDateTime, formatLocalDate } from '@/lib/format';
-import { getProjectAdoptedRequirementCandidates } from '@/lib/requirement-selector';
+import { getVersionLinkedRequirementCandidates } from '@/lib/requirement-selector';
 import { getRequirementVersionSelectionPatch, getRequirementVersionUnlinkPatch } from '@/lib/requirement-version-link';
 import { calcBugSeverityRanking, calcPersonalEffortRanking, calcStageEffortMetrics, calcVersionOverviewEffortTotals } from '@/lib/version-overview';
 import { addVersionMembers, DEFAULT_VERSION_MEMBER_ROLE, filterVersionMemberCandidates } from '@/lib/version-members';
@@ -1022,7 +1022,7 @@ export default function VersionDetailPage() {
         ) : (activeTab === 'research' || activeTab === 'product' || activeTab === 'ui') ? (
           (() => {
             const pt = activeTab as 'research' | 'product' | 'ui';
-            const projectAdoptedReqs = getProjectAdoptedRequirementCandidates(displayRequirements, version.projectId);
+            const versionLinkedReqs = getVersionLinkedRequirementCandidates(displayRequirements, displayRequirementIds);
             return (
               <PlanTab
                 plans={displayPlans}
@@ -1032,7 +1032,7 @@ export default function VersionDetailPage() {
                 currentUserName={user?.name ?? ''}
                 planType={pt}
                 versionMembers={version.members ?? []}
-                linkedRequirements={projectAdoptedReqs}
+                linkedRequirements={versionLinkedReqs}
                 allRequirements={displayRequirements}
                 readOnly={versionReadonly || !planWriteReady}
                 onCreate={(data) => {