src/main/java/com/example/g8backend/service/AdminService.java

package com.example.g8backend.service;

public interface AdminService {
    boolean grantVip(Long targetUserId);
    boolean banUser(Long userId, String reason, Long adminId);
    boolean unbanUser(Long userId, Long adminId);
    boolean lockPost(Long postId, String reason, Long adminId);
    boolean unlockPost(Long postId, Long adminId);
}