聊天：增加私聊部分逻辑

测试：增加测试脚本，减少socket断开的打印

shared/consts/index.ts

@@ -6,5 +6,6 @@ export * from './constModules/itemConst';
 export * from './constModules/sysConst';
 export * from './constModules/guildConst';
 export * from './constModules/selectConst';
+export * from './constModules/chatConst';
 export * from './statusCode';
 export * from './dataName';