增加手机账号密码登录，修改状态返回

src/main/java/com/onekeycall/videotablet/service/UserService.java

@@ -29,6 +29,10 @@ public class UserService implements UserDetailsService {
         this.redisTemplate = redisTemplate;
     }
 
+    public User getUserByPhone(String phone) {
+        return userRepository.findUserByPhone(phone).orElseThrow(() -> new RuntimeException("User not found with phone: " + phone));
+    }
+
     public User registerUser(String userId, String password) {
         if (userRepository.existsByUserId(userId)) {
             throw new RuntimeException("Username already exists");