优化完善，BUG修复

mailbox-lan/sql/20250917.sql

@@ -0,0 +1,7 @@
+ALTER TABLE "mailbox"."mail"
+    ADD COLUMN "three_sign_time" date,
+  ADD COLUMN "submit_completion_time" date;
+
+COMMENT ON COLUMN "mailbox"."mail"."three_sign_time" IS '所队专班签收时间';
+
+COMMENT ON COLUMN "mailbox"."mail"."submit_completion_time" IS '提交办理时间';

mailbox-lan/src/main/java/com/biutag/lan/domain/Mail.java

@@ -425,4 +425,8 @@ public class Mail {
 
     private Boolean repeat;
 
+    private LocalDateTime threeSignTime;
+
+    private LocalDateTime submitCompletionTime;
+
 }

mailbox-lan/src/main/java/com/biutag/lan/flow/node/ThreeSignFlow.java

@@ -93,6 +93,7 @@ public class ThreeSignFlow extends Flow {
                     .set(Mail::getFlowKey, FlowNodeEnum.SECOND_DISTRIBUTE.getKey())
                     .set(Mail::getFlowName, FlowNameEnum.MAIL_RETURN.getName())
                     .set(Mail::getFlowLimitedLastHandlerTime, now)
+                    .set(Mail::getThreeSignTime, now)
                     .set(Mail::getSecondDistributeTime, now);
             // 如果在申请延期中
             if (ExtensionState.applying.name().equals(mail.getExtensionState())) {

mailbox-lan/src/main/java/com/biutag/lan/flow/node/ThreeVerifyFlow.java

@@ -198,6 +198,7 @@ public class ThreeVerifyFlow extends Flow {
         BeanUtil.copyProperties(source, mail, CopyOptions.create().setIgnoreNullValue(true));
 
         mail.setUpdateTime(now)
+                .setSubmitCompletionTime(now)
                 // 申请办结
                 .setCompleteMethod(data.getString("completeMethod"))
                 .setFlowKey(nextNode.getFlowNode().getKey())