feat: migrate runtime backend to node server

server-node/src/context.ts

@@ -0,0 +1,18 @@
+import type { Logger } from 'pino';
+
+import type { AppConfig } from './config.js';
+import type { AppDatabase } from './db.js';
+import { RuntimeRepository } from './repositories/runtimeRepository.js';
+import { UserRepository } from './repositories/userRepository.js';
+import { CustomWorldSessionStore } from './services/customWorldSessionStore.js';
+import { UpstreamLlmClient } from './services/llmClient.js';
+
+export type AppContext = {
+  config: AppConfig;
+  logger: Logger;
+  db: AppDatabase;
+  userRepository: UserRepository;
+  runtimeRepository: RuntimeRepository;
+  llmClient: UpstreamLlmClient;
+  customWorldSessions: CustomWorldSessionStore;
+};