main主干首次提交，包含用户认证模块

src/main/java/com/labelsys/backend/entity/BizDataRecord.java

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+package com.labelsys.backend.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.labelsys.backend.enums.UserRole;
+import java.time.LocalDateTime;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@TableName("biz_data_record")
+public class BizDataRecord {
+    @TableId(type = IdType.INPUT)
+    private Long id;
+    private Long companyId;
+    private Long creatorId;
+    private UserRole creatorRole;
+    private String recordName;
+    private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
+}

src/main/java/com/labelsys/backend/entity/SysCompany.java

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+package com.labelsys.backend.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.labelsys.backend.enums.CompanyStatus;
+import java.time.LocalDateTime;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@TableName("sys_company")
+public class SysCompany {
+    @TableId(type = IdType.INPUT)
+    private Long id;
+    private String companyCode;
+    private String companyName;
+    private CompanyStatus status;
+    private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
+}

src/main/java/com/labelsys/backend/entity/SysMenu.java

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+package com.labelsys.backend.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import java.time.LocalDateTime;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@TableName("sys_menu")
+public class SysMenu {
+    @TableId(type = IdType.INPUT)
+    private Long id;
+    private Long companyId;
+    private String permissionCode;
+    private String menuCode;
+    private String menuName;
+    private String path;
+    private Integer sortOrder;
+    private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
+}

src/main/java/com/labelsys/backend/entity/SysUser.java

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+package com.labelsys.backend.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.labelsys.backend.enums.UserPosition;
+import com.labelsys.backend.enums.UserRole;
+import com.labelsys.backend.enums.UserStatus;
+import java.time.LocalDateTime;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@TableName("sys_user")
+public class SysUser {
+    @TableId(type = IdType.INPUT)
+    private Long id;
+    private Long companyId;
+    private String phone;
+    private String username;
+    private UserRole role;
+    private UserPosition position;
+    private String realName;
+    private String passwordHash;
+    private Boolean mustChangePassword;
+    private UserStatus status;
+    private Integer sessionVersion;
+    private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
+}