diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/components/pwrk-cnsltn-doc-mng-dialog.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/components/pwrk-cnsltn-doc-mng-dialog.tsx
index af2c07047..b2d5bad8f 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/components/pwrk-cnsltn-doc-mng-dialog.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/components/pwrk-cnsltn-doc-mng-dialog.tsx
@@ -1,14 +1,11 @@
 "use client";
 
-import { useContext, useEffect, useMemo, useState } from "react";
+import { useEffect, useMemo, useState } from "react";
 import dynamic from "next/dynamic";
 
 import { useQuery, useQueryClient } from "@tanstack/react-query";
 import { PanelRightClose, PanelRightOpen } from "lucide-react";
-import { useStore } from "zustand";
-
-import { getDefaultFileKey, useAlertStore, useTus } from "@/shared/lib";
-import { StoreContext } from "@/shared/providers";
+import { getDefaultFileKey, useAlertStore, useTus, useUserStore } from "@/shared/lib";
 import { AttachmentFileField } from "@/shared/ui";
 import {
   attachService,
@@ -155,8 +152,7 @@ function PwrkCnsltnDocMngDialog({
 }: PwrkCnsltnDocMngDialogProps) {
   const queryClient = useQueryClient();
   const alert = useAlertStore((state) => state.setMessage);
-  const storeContext = useContext(StoreContext);
-  const userInfo = storeContext ? useStore(storeContext.userStore, (state) => state.userInfo) : null;
+  const userInfo = useUserStore((state) => state.userInfo);
   const [atchFileGroupId, setAtchFileGroupId] = useState("");
   const [uploadedFiles, setUploadedFiles] = useState<UploadedAtchFile[]>([]);
   const [isPjtcoAjmtTableOpen, setIsPjtcoAjmtTableOpen] = useState(false);
@@ -165,7 +161,7 @@ function PwrkCnsltnDocMngDialog({
   // 전자결재 브랜치 목록 직접 조회 (Single Source of Truth)
   const { data: elaprBranchList = [] } = useElaprBranchesByDocNo(
     fnrsCnsltnDocNo,
-    open && Boolean(isForkJoin),
+    { enabled: open && Boolean(isForkJoin) },
   );
 
   // 전자결재 결재선 목록 직접 조회 (병합자 / 최종승인자 식별용)
@@ -216,11 +212,19 @@ function PwrkCnsltnDocMngDialog({
     if (effectiveBranchSeCd === "TOTAL_AGG") {
       if (effectiveAtrzSeList.includes("ATRZ04")) return false;
       if (effectiveAtrzSeList.some((cd) => APPROVER_ATRZ_SE_COM_CDS.has(cd))) return true;
-      if (currentUserPrgrs?.atrzSeq && Number(currentUserPrgrs.atrzSeq) > 1) return true;
+      const userSeq = currentUserPrgrs?.atrzSeqNo ?? (currentUserPrgrs as Record<string, unknown> | undefined)?.atrzSeq;
+      if (userSeq && Number(userSeq) > 1) return true;
       if (effectiveAtrzSeList.length > 0 && !effectiveAtrzSeList.includes("ATRZ04")) return true;
     }
     return false;
-  }, [isForkJoin, isTeOrRk, effectiveBranchSeCd, effectiveAtrzSeList, currentUserPrgrs?.atrzSeq]);
+  }, [
+    isForkJoin,
+    isTeOrRk,
+    effectiveBranchSeCd,
+    effectiveAtrzSeList,
+    currentUserPrgrs?.atrzSeqNo,
+    (currentUserPrgrs as Record<string, unknown> | undefined)?.atrzSeq,
+  ]);
 
   // 3. 병합 완료(결재 후) 여부
   // 병합자가 이미 결재(승인)를 진행한 경우 (ATRZ_PRGRS_003 등) MAIN 탭 저장 불가
@@ -233,7 +237,8 @@ function PwrkCnsltnDocMngDialog({
       const mergerRow = userRows.find(
         (row) =>
           row.atrzSeComCd === "ATRZ04" ||
-          (row.branchSeCd === "TOTAL_AGG" && Number(row.atrzSeq) === 1),
+          (row.branchSeCd === "TOTAL_AGG" &&
+            Number(row.atrzSeqNo ?? (row as Record<string, unknown>).atrzSeq) === 1),
       );
       if (mergerRow) {
         return (
@@ -247,7 +252,8 @@ function PwrkCnsltnDocMngDialog({
     const aggMergerRow = elaprPrgrsForCycl.find(
       (row) =>
         row.branchSeCd === "TOTAL_AGG" &&
-        (row.atrzSeComCd === "ATRZ04" || Number(row.atrzSeq) === 1),
+        (row.atrzSeComCd === "ATRZ04" ||
+          Number(row.atrzSeqNo ?? (row as Record<string, unknown>).atrzSeq) === 1),
     );
     if (aggMergerRow) {
       return (