enhance(frontend): Websocketを使用しないモードを実装

packages/misskey-js/src/index.ts

@@ -1,5 +1,6 @@
 import { type Endpoints } from './api.types.js';
 import Stream, { Connection } from './streaming.js';
+import { type StreamEvents } from './streaming.js';
 import { type Channels } from './streaming.types.js';
 import { type Acct } from './acct.js';
 import * as consts from './consts.js';
@@ -8,6 +9,7 @@ export type {
 	Endpoints,
 	Channels,
 	Acct,
+	StreamEvents,
 };
 
 export {

packages/misskey-js/src/streaming.ts

@@ -17,7 +17,7 @@ export function urlQuery(obj: Record<string, string | number | boolean | undefin
 
 type AnyOf<T extends Record<any, any>> = T[keyof T];
 
-type StreamEvents = {
+export type StreamEvents = {
 	_connected_: void;
 	_disconnected_: void;
 } & BroadcastEvents;