fix: add field polyfill for old feature (#5586)

packages/backend/server/src/modules/features/types/early-access.ts

@@ -4,5 +4,8 @@ import { FeatureType } from './common';
 
 export const featureEarlyAccess = z.object({
   feature: z.literal(FeatureType.EarlyAccess),
-  configs: z.object({}),
+  configs: z.object({
+    // field polyfill, make it optional in the future
+    whitelist: z.string().array(),
+  }),
 });

packages/backend/server/src/modules/features/types/index.ts

@@ -42,7 +42,9 @@ export const Features: Feature[] = [
     feature: FeatureType.EarlyAccess,
     type: FeatureKind.Feature,
     version: 2,
-    configs: {},
+    configs: {
+      whitelist: [],
+    },
   },
   {
     feature: FeatureType.UnlimitedWorkspace,