fix(react): exclude lazy component type from stable

integrations/react/src/future/index.ts

@@ -1,5 +1,6 @@
 export type { ActivityComponentType as ActivityComponentTypeByParams } from "../__internal__/ActivityComponentType";
 export * from "../__internal__/activity/useActivity";
+export * from "../__internal__/MonolithicActivityComponentType";
 export * from "../__internal__/StackflowReactPlugin";
 export * from "../__internal__/StructuredActivityComponentType";
 export * from "../__internal__/stack/useStack";

integrations/react/src/future/loader/loaderPlugin.tsx

@@ -2,7 +2,6 @@ import type {
   ActivityDefinition,
   RegisteredActivityName,
 } from "@stackflow/config";
-import type { ActivityComponentType } from "../../__internal__/ActivityComponentType";
 import type { StackflowReactPlugin } from "../../__internal__/StackflowReactPlugin";
 import {
   getContentComponent,
@@ -14,6 +13,7 @@ import {
   PromiseStatus,
   resolve,
 } from "../../__internal__/utils/SyncInspectablePromise";
+import type { ActivityComponentType } from "../ActivityComponentType";
 import type { StackflowInput } from "../stackflow";
 
 export function loaderPlugin<

integrations/react/src/stable/ActivityComponentType.tsx

@@ -0,0 +1,4 @@
+import type { StaticActivityComponentType } from "../__internal__/StaticActivityComponentType";
+
+export type ActivityComponentType<T extends { [K in keyof T]: any } = {}> =
+  StaticActivityComponentType<T>;

integrations/react/src/stable/index.ts

@@ -1,8 +1,8 @@
 export * from "../__internal__/activity/useActivity";
 export * from "../__internal__/activity/useActivityParams";
-export type { MonolithicActivityComponentType as ActivityComponentType } from "../__internal__/MonolithicActivityComponentType";
 export * from "../__internal__/StackflowReactPlugin";
 export * from "../__internal__/stack/useStack";
+export type { ActivityComponentType } from "./ActivityComponentType";
 export * from "./stackflow";
 export * from "./useActions";
 export * from "./useActiveEffect";