收紧story与custom world迁移能力边界

server-node/src/services/customWorldSessionStore.ts

@@ -7,7 +7,7 @@ import type {
   CustomWorldSessionRecord,
   CustomWorldSessionStatus,
 } from '../../../packages/shared/src/contracts/runtime.js';
-import type { RuntimeRepositoryPort } from '../repositories/runtimeRepository.js';
+import type { CustomWorldSessionCapability } from './runtimeCapabilities.js';
 
 export type CustomWorldSession = {
   sessionId: string;
@@ -111,7 +111,7 @@ function buildClarificationQuestions(
 
 export class CustomWorldSessionStore {
   constructor(
-    private readonly runtimeRepository: RuntimeRepositoryPort,
+    private readonly runtimeRepository: CustomWorldSessionCapability,
   ) {}
 
   async create(