refactor: 重构内部 API 依赖模式（降低耦合，公众号投票结论），在 common 模块新增 api 包，在对应 biz 模块增加实现

continew-common/src/main/java/top/continew/admin/common/model/dto/TenantDTO.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.continew.admin.common.model.dto;
+
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+
+/**
+ * 租户信息
+ *
+ * @author Charles7c
+ * @since 2025/7/23 21:05
+ */
+@Data
+public class TenantDTO implements Serializable {
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * ID
+     */
+    private Long id;
+
+    /**
+     * 名称
+     */
+    private String name;
+
+    /**
+     * 管理员用户名
+     */
+    private String username;
+
+    /**
+     * 管理员密码
+     */
+    private String password;
+
+    /**
+     * 套餐 ID
+     */
+    private Long packageId;
+}