feat(server): cluster level event system (#9884)

packages/backend/server/src/base/runtime/event.ts

@@ -1,22 +1,7 @@
 import { FlattenedAppRuntimeConfig } from '../config/types';
-import { OnEvent } from '../event';
-import { Payload } from '../event/def';
 
-declare module '../event/def' {
-  interface EventDefinitions {
-    runtime: {
-      [K in keyof FlattenedAppRuntimeConfig]: {
-        changed: Payload<FlattenedAppRuntimeConfig[K]>;
-      };
-    };
+declare global {
+  interface Events {
+    'runtime.changed__NOT_IMPLEMENTED__': Partial<FlattenedAppRuntimeConfig>;
   }
 }
-
-/**
- * not implemented yet
- */
-export const OnRuntimeConfigChange_DO_NOT_USE = (
-  nameWithModule: keyof FlattenedAppRuntimeConfig
-) => {
-  return OnEvent(`runtime.${nameWithModule}.changed`);
-};