feat: integrate customer service chat

web/src/mobile/api.ts

@@ -32,6 +32,11 @@ const reasonMessages: Record<string, string> = {
   RECHARGE_CHANNEL_UNAVAILABLE: '当前没有可用的储入通道',
   RECHARGE_VOUCHER_INVALID: '储入凭证无效',
   SERVICE_UNAVAILABLE: '服务暂不可用，请稍后重试',
+  CUSTOMER_SERVICE_NOT_FOUND: '客服已下线或不存在',
+  CUSTOMER_SERVICE_NOT_BOUND: '客服账号尚未配置',
+  IM_RELATION_PENDING: '好友申请已发送，请等待客服确认',
+  IM_RELATION_NOT_ALLOWED: '当前无法与该客服建立会话',
+  IM_SERVICE_UNAVAILABLE: '客服系统暂不可用，请稍后重试',
   INTERNAL: '服务异常，请稍后重试',
 };
 
@@ -134,6 +139,10 @@ function getDeviceID() {
   return value;
 }
 
+export function deviceID() {
+  return getDeviceID();
+}
+
 export function saveSession(token: string) {
   sessionStorage.setItem(TOKEN_KEY, token);
   sessionStorage.setItem(LOGIN_NOTICE_PENDING_KEY, '1');