feat(auth): 切换注册方式为手机验证码并添加客服功能

- 将注册表单从用户名改为手机号输入
- 集成短信验证码功能，添加验证码输入字段
- 实现发送短信验证码的API调用和倒计时逻辑
- 更新国际化配置以支持验证码相关文案
- 添加桌面端客服聊天弹窗功能
- 调整注册表单UI布局和样式优化
- 修改认证相关常量和类型定义以适配新流程

src/features/auth/schema/auth-schema.ts

@@ -5,6 +5,11 @@ const usernameSchema = z
   .trim()
   .min(1, 'auth.validation.username.required')
 
+const captchaSchema = z
+  .string()
+  .trim()
+  .min(1, 'auth.validation.captcha.required')
+
 const passwordSchema = z
   .string()
   .min(6, 'auth.validation.password.min')
@@ -17,6 +22,7 @@ export const loginFormSchema = z.object({
 
 export const registerFormSchema = z
   .object({
+    captcha: captchaSchema,
     confirmPassword: passwordSchema,
     inviteCode: z
       .string()
@@ -24,7 +30,7 @@ export const registerFormSchema = z
       .min(1, 'auth.validation.inviteCode.required')
       .max(32, 'auth.validation.inviteCode.max'),
     password: passwordSchema,
-    username: usernameSchema,
+    mobile: usernameSchema,
   })
   .refine((value) => value.password === value.confirmPassword, {
     message: 'auth.validation.confirmPassword.mismatch',