feat(client): 实现可编辑岛组件方案与连接更新状态反馈

packages/desktop-client/src/main/config-events.ts

@@ -0,0 +1,6 @@
+import { EventEmitter } from 'node:events';
+export type ConnectionEvent = 'server-changed' | 'token-changed' | 'login' | 'logout';
+export const connectionEvents = new EventEmitter();
+export function connectionChanged(event: ConnectionEvent) {
+  connectionEvents.emit('changed', event);
+}