✨ 新增管理员代登录功能

bms-back/bms-common/src/main/java/com/bms/common/core/domain/model/LoginUser.java

@@ -75,6 +75,24 @@ public class LoginUser implements UserDetails
      */
     private SysUser user;
 
+    /** 代登录的实际操作人及其原会话标识，仅保存在服务端登录态中。 */
+    private Long impersonatorId;
+    private String impersonatorName;
+    private String impersonatorToken;
+    private Long impersonationExpireTime;
+
+    public Long getImpersonatorId() { return impersonatorId; }
+    public void setImpersonatorId(Long impersonatorId) { this.impersonatorId = impersonatorId; }
+    public String getImpersonatorName() { return impersonatorName; }
+    public void setImpersonatorName(String impersonatorName) { this.impersonatorName = impersonatorName; }
+    public String getImpersonatorToken() { return impersonatorToken; }
+    public void setImpersonatorToken(String impersonatorToken) { this.impersonatorToken = impersonatorToken; }
+    public Long getImpersonationExpireTime() { return impersonationExpireTime; }
+    public void setImpersonationExpireTime(Long impersonationExpireTime) { this.impersonationExpireTime = impersonationExpireTime; }
+
+    @JSONField(serialize = false)
+    public boolean isImpersonating() { return impersonatorId != null; }
+
     public LoginUser()
     {
     }