修复VIP自动成长降级

apps/backend/src/services/worker-platform/admin-service.ts

@@ -147,6 +147,7 @@ export async function deleteAdminWorkCategory(categoryId: number | string) {
 export async function saveAdminWorkerLevel(payload: JsonObject = {}) {
   const now = nowIso()
   const levelKey = String(payload.levelKey || payload.level_key || '').trim() || DEFAULT_LEVEL_KEY
+  const existingLevel = await getWorkerLevelByKey(levelKey)
   const name = String(payload.name || '').trim() || DEFAULT_LEVEL_NAME
   const permissions = {
     depositFreeAmount: normalizeAmountFen(
@@ -160,7 +161,7 @@ export async function saveAdminWorkerLevel(payload: JsonObject = {}) {
   const level = await upsertWorkerLevel({
     levelKey,
     name,
-    sortOrder: normalizeInteger(payload.sortOrder, 100),
+    sortOrder: normalizeInteger(payload.sortOrder, Number(existingLevel?.sort_order || 100)),
     status: String(payload.status || 'active').trim() === 'disabled' ? 'disabled' : 'active',
     permissionJson: JSON.stringify(permissions),
     now,