feat(player): 玩家端短信找回密码

支持手机号验证码重置密码，重置成功后跳转登录页；SMS 增加 reset_password 场景与 purpose 隔离。

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

apps/player/src/composables/useSmsCode.ts

@@ -30,7 +30,11 @@ export function useSmsCode() {
     }, 1000);
   }
 
-  async function send(phone: string, countryCode: string) {
+  async function send(
+    phone: string,
+    countryCode: string,
+    purpose: 'register' | 'reset_password' = 'register',
+  ) {
     if (countdown.value > 0 || sending.value) return;
     const trimmed = phone.trim();
     const dial = countryCode.replace(/\D/g, '');
@@ -46,6 +50,7 @@ export function useSmsCode() {
         phone: trimmed,
         countryCode: dial,
         locale,
+        purpose,
       });
       sessionId.value = data.data.sessionId;
       startCountdown();