feat(player): 注册账号、登录双模式与移动端性能优化

注册必填 7-32 位账号，手机号区号/本地号分存；登录默认账号模式并支持切换手机号登录；Player i18n 拆包与赛事接口优化。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/player/src/stores/auth.ts

@@ -38,6 +38,7 @@ export const useAuthStore = defineStore('auth', () => {
   }
 
   async function register(
+    username: string,
     phone: string,
     countryCode: string,
     password: string,
@@ -49,6 +50,7 @@ export const useAuthStore = defineStore('auth', () => {
     const code = inviteCode?.trim();
     const dial = countryCode.replace(/\D/g, '');
     const { data } = await api.post('/player/auth/register', {
+      username: username.trim(),
       phone,
       countryCode: dial,
       password,