重构(会员档位页): 合并模型权限的重复文案映射

- 表单选项与列表摘要原先各写一份档位文案，措辞还不一致
- 抽出 modelAccessLabels 单一表，表单选项由它派生，列表摘要直接查表

apps/admin-web/src/pages/AdminMembershipPlanPage.tsx

@@ -35,13 +35,18 @@ interface AdminMembershipPlanPageProps {
   onResultChange: (result: ProfileMembershipPlanAdminResponse) => void;
 }
 
+/** 模型权限的唯一文案表：表单选项与列表摘要共用，避免两处手工映射漂移。 */
+const modelAccessLabels: Record<ProfileMembershipModelAccess, string> = {
+  basic: '仅基础模型',
+  full: '基础及高性能模型',
+};
+
 const modelAccessOptions: Array<{
   value: ProfileMembershipModelAccess;
   label: string;
-}> = [
-  { value: 'basic', label: '仅基础模型' },
-  { value: 'full', label: '基础及高性能模型' },
-];
+}> = (Object.keys(modelAccessLabels) as ProfileMembershipModelAccess[]).map(
+  (value) => ({ value, label: modelAccessLabels[value] }),
+);
 
 /**
  * 会员档位目录。
@@ -448,7 +453,7 @@ function sortPlanEntries(entries: ProfileMembershipPlanAdminResponse[]) {
 }
 
 function formatPlanLimits(entry: ProfileMembershipPlanAdminResponse) {
-  const modelLabel = entry.modelAccess === 'full' ? '基础+高性能' : '仅基础';
+  const modelLabel = modelAccessLabels[entry.modelAccess];
   const concurrency = entry.unlimitedConcurrency
     ? '不设上限'
     : `${entry.concurrentJobLimit} 个`;