diff --git a/apps/as/src/entities/auth/api/auth-service.ts b/apps/as/src/entities/auth/api/auth-service.ts
index 934471c50..5615f55f8 100644
--- a/apps/as/src/entities/auth/api/auth-service.ts
+++ b/apps/as/src/entities/auth/api/auth-service.ts
@@ -2,13 +2,7 @@ import { ACCESS_TOKEN, AUTH_USER_ID, CLAIM_NAME, ENDPOINT } from "@/shared/confi
 import { type AuthPayload, type AuthService, getRemainingMs } from "@common/auth";
 
 import { clearDeviceId, getOrCreateDeviceId } from "../lib/device-id";
-import {
-  clearRefreshTimer,
-  removeToken,
-  setToken,
-  setupRefreshTimer,
-  tokenManager,
-} from "../lib/token-manager";
+import { clearRefreshTimer, setToken, setupRefreshTimer, tokenManager } from "../lib/token-manager";
 
 async function login(payload: AuthPayload): Promise<void> {
   const response = await fetch(`/api/proxy${ENDPOINT.USER_SERVICE.LOGIN}`, {
@@ -79,8 +73,6 @@ async function silentRefresh(): Promise<void> {
 
 async function logout(): Promise<void> {
   tokenManager.clearAuthToken();
-  removeToken("site-id-key");
-  removeToken("site-theme-key");
   clearDeviceId();
 
   if (typeof window !== "undefined") {
diff --git a/apps/as/src/entities/elapr/lib/apln-validators.ts b/apps/as/src/entities/elapr/lib/apln-validators.ts
index 3ab1bcd30..91f1a95cf 100644
--- a/apps/as/src/entities/elapr/lib/apln-validators.ts
+++ b/apps/as/src/entities/elapr/lib/apln-validators.ts
@@ -1,6 +1,5 @@
 import type { ElaprAplnRow } from "../model/elapr-apln-row-types";
 
-const ATRZ_RECEIVER_CD = "ATRZ01";
 const ATRZ_FINAL_CD = "ATRZ99";
 
 interface AtrzOrderValidateRow {
@@ -16,14 +15,6 @@ export function getVisibleRows(rows: ElaprAplnRow[]): ElaprAplnRow[] {
 export function validateAtrzOrder(rows: AtrzOrderValidateRow[]): string | null {
   const visibleRows = rows.filter((row) => !row.isDeleted);
 
-  const receiverCount = visibleRows.filter((row) => row.atrzSeComCd === ATRZ_RECEIVER_CD).length;
-  if (receiverCount === 0) {
-    return "접수자는 반드시 등록해야 합니다.";
-  }
-  if (receiverCount > 1) {
-    return "접수자는 한 명만 등록할 수 있습니다.";
-  }
-
   const finalCount = visibleRows.filter((row) => row.atrzSeComCd === ATRZ_FINAL_CD).length;
   if (finalCount === 0) {
     return "최종승인자는 반드시 등록해야 합니다.";
@@ -32,10 +23,6 @@ export function validateAtrzOrder(rows: AtrzOrderValidateRow[]): string | null {
     return "최종승인자는 한 명만 등록할 수 있습니다.";
   }
 
-  if (receiverCount === 1 && visibleRows[0]?.atrzSeComCd !== ATRZ_RECEIVER_CD) {
-    return "접수자는 결재선 첫 번째에 배치해야 합니다.";
-  }
-
   if (finalCount === 1) {
     const lastRow = visibleRows[visibleRows.length - 1];
     if (lastRow?.atrzSeComCd !== ATRZ_FINAL_CD) {
diff --git a/apps/as/src/entities/elapr/lib/use-prgrs-stts-rows.ts b/apps/as/src/entities/elapr/lib/use-prgrs-stts-rows.ts
index 297e574a4..40120db78 100644
--- a/apps/as/src/entities/elapr/lib/use-prgrs-stts-rows.ts
+++ b/apps/as/src/entities/elapr/lib/use-prgrs-stts-rows.ts
@@ -24,7 +24,7 @@ function toRow(item: ElaprDocPrgrsClientResponseDto): ElaprPrgrsSttsRow {
     elaprPrgrsId: item.elaprPrgrsId,
     elaprDmndId: item.elaprDmndId,
     aprvrUuid: item.aprvrUuid,
-    aprvrNm: item.aprvrUuidNm,
+    aprvrNm: item.aprvrNm,
     atrzSeComCd: item.atrzSeComCd,
     atrzSeComNm: item.atrzSeComNm,
     atrzSeqNo: item.atrzSeqNo,
diff --git a/apps/as/src/entities/elapr/model/elapr-apln-interface.ts b/apps/as/src/entities/elapr/model/elapr-apln-interface.ts
index a41add2cd..31e0d8a25 100644
--- a/apps/as/src/entities/elapr/model/elapr-apln-interface.ts
+++ b/apps/as/src/entities/elapr/model/elapr-apln-interface.ts
@@ -6,14 +6,14 @@ export const ELAPR_APLN_SAVE_MODE = {
   DELETE: "D",
 } as const;
 
-export type ElaprAplnSaveMode =
-  (typeof ELAPR_APLN_SAVE_MODE)[keyof typeof ELAPR_APLN_SAVE_MODE];
+export type ElaprAplnSaveMode = (typeof ELAPR_APLN_SAVE_MODE)[keyof typeof ELAPR_APLN_SAVE_MODE];
 
 export interface ElaprApln {
   aplnId: string;
   elaprTmpltId: string;
   aprvrUuid?: string;
   aprvrNm?: string;
+  aprvrUserId?: string;
   atrzSeComCd?: string;
   atrzSeComNm?: string;
   atrzSeqNo?: number;
diff --git a/apps/as/src/entities/elapr/model/elapr-dmnd-interface.ts b/apps/as/src/entities/elapr/model/elapr-dmnd-interface.ts
index 5a3fbc689..a4eb14c7c 100644
--- a/apps/as/src/entities/elapr/model/elapr-dmnd-interface.ts
+++ b/apps/as/src/entities/elapr/model/elapr-dmnd-interface.ts
@@ -1,4 +1,4 @@
-import type { PageableParams, PageResponse } from "@/shared/model";
+import type { ElaprDocPrgrsClientResponseDto, PageableParams, PageResponse } from "@/shared/model";
 
 import type { ElaprPrgrsSttsSaveRequestDto } from "./elapr-prgrs-stts-interface";
 
@@ -33,23 +33,7 @@ export interface ElaprDmndSearchDto extends PageableParams {
 }
 
 /** 백엔드 ElaprDocPrgrsResponseDto */
-export interface ElaprDocPrgrsResponseDto {
-  elaprDocNo: string;
-  elaprDmndId: string;
-  elaprPrgrsId: string;
-  atrzSeqNo?: number;
-  atrzSeComCd: string;
-  atrzSeComNm?: string;
-  aprvrUuid?: string;
-  aprvrUuidNm?: string;
-  atrzPrgrsSttsComCd: string;
-  atrzPrgrsSttsComNm?: string;
-  rjctRsn?: string;
-  atrzDt?: string;
-  jbpsSeNm?: string;
-  jbgdSeNm?: string;
-  ognzNm?: string;
-}
+export type ElaprDocPrgrsResponseDto = ElaprDocPrgrsClientResponseDto;
 
 /** Controller public 메서드명·시그니처와 동일 */
 export interface ElaprDmndService {
diff --git a/apps/as/src/pages/approval-line-management/model/columns.tsx b/apps/as/src/pages/approval-line-management/model/columns.tsx
index a7beb668b..35dcc4a74 100644
--- a/apps/as/src/pages/approval-line-management/model/columns.tsx
+++ b/apps/as/src/pages/approval-line-management/model/columns.tsx
@@ -14,10 +14,6 @@ interface CreateTmpltColumnsOptions {
 
 export function createTmpltColumns({ onEdit, onDelete }: CreateTmpltColumnsOptions) {
   return [
-    columnHelper.accessor("elaprTmpltId", {
-      header: "전자결재서식아이디",
-      meta: { align: "left" },
-    }),
     columnHelper.accessor("elaprTmpltNm", {
       header: "결재서식명",
       meta: { align: "left" },
diff --git a/apps/as/src/pages/approval-line-management/ui/approval-line-management-page.tsx b/apps/as/src/pages/approval-line-management/ui/approval-line-management-page.tsx
index 11b9373ac..38b018809 100644
--- a/apps/as/src/pages/approval-line-management/ui/approval-line-management-page.tsx
+++ b/apps/as/src/pages/approval-line-management/ui/approval-line-management-page.tsx
@@ -11,7 +11,7 @@ function ApprovalLineManagementPage() {
   const [selectedTmplt, setSelectedTmplt] = useState<ElaprTmplt | null>(null);
 
   return (
-    <div className="space-y-6 px-[1.8rem] pb-6">
+    <div className="grid grid-cols-1 gap-6 px-[1.8rem] xl:grid-cols-2">
       <ElaprTmpltList
         selectedTmpltId={selectedTmplt?.elaprTmpltId ?? null}
         onSelectTmplt={setSelectedTmplt}
diff --git a/apps/as/src/pages/approval-line-management/ui/elapr-apln-grid.tsx b/apps/as/src/pages/approval-line-management/ui/elapr-apln-grid.tsx
index 83c01c7ab..e703551d5 100644
--- a/apps/as/src/pages/approval-line-management/ui/elapr-apln-grid.tsx
+++ b/apps/as/src/pages/approval-line-management/ui/elapr-apln-grid.tsx
@@ -186,20 +186,20 @@ function ElaprAplnGrid({ elaprTmpltId }: ElaprAplnGridProps) {
         <DndContext sensors={sensors} collisionDetection={closestCenter} onDragEnd={handleDragEnd}>
           <Table className="w-full">
             <colgroup>
-              <col width="10%" />
-              <col width="30%" />
+              <col width="5%" />
               <col width="10%" />
               <col width="10%" />
               <col width="15%" />
-              <col width="15%" />
+              <col width="25%" />
+              <col width="20%" />
               <col width="10%" />
             </colgroup>
             <TableHeader>
               <TableRow>
                 <TableHead className="w-10" />
-                <TableHead>결재선아이디</TableHead>
                 <TableHead>결재순서</TableHead>
                 <TableHead>결재구분</TableHead>
+                <TableHead>결재자 ID</TableHead>
                 <TableHead>결재자</TableHead>
                 <TableHead>등록일시</TableHead>
                 <TableHead>관리</TableHead>
diff --git a/apps/as/src/pages/approval-line-management/ui/sortable-apln-row.tsx b/apps/as/src/pages/approval-line-management/ui/sortable-apln-row.tsx
index 94d28be22..b0a23ee1e 100644
--- a/apps/as/src/pages/approval-line-management/ui/sortable-apln-row.tsx
+++ b/apps/as/src/pages/approval-line-management/ui/sortable-apln-row.tsx
@@ -4,9 +4,18 @@ import { useSortable } from "@dnd-kit/sortable";
 import { CSS } from "@dnd-kit/utilities";
 import { Equal } from "lucide-react";
 
-import { CodeSelect, findCodeLabel, useCodeList } from "@/entities/code";
+import { findCodeLabel, useCodeList } from "@/entities/code";
 import type { ElaprAplnRow } from "@/entities/elapr";
-import { Button, TableCell, TableRow } from "@common/components";
+import {
+  Button,
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+  TableCell,
+  TableRow,
+} from "@common/components";
 
 interface SortableAplnRowProps {
   row: ElaprAplnRow;
@@ -36,6 +45,7 @@ function SortableAplnRow({
   onPickAprvr,
 }: SortableAplnRowProps) {
   const { data: atrzSeCodes } = useCodeList("ATRZSE");
+  const selectableAtrzSeCodes = atrzSeCodes?.filter((code) => code.lwpoCd !== "ATRZ01");
 
   const { attributes, listeners, setNodeRef, transform, transition, isDragging } = useSortable({
     id: row.rowKey,
@@ -49,7 +59,7 @@ function SortableAplnRow({
   };
 
   const rowDisabled = isLocked && !isEditing;
-  const atrzSeLabel = row.atrzSeComNm || findCodeLabel(atrzSeCodes, row.atrzSeComCd);
+  const atrzSeLabel = row.atrzSeComNm || findCodeLabel(selectableAtrzSeCodes, row.atrzSeComCd);
 
   return (
     <TableRow ref={setNodeRef} style={style} className={isEditing ? "bg-accent/30" : undefined}>
@@ -66,31 +76,36 @@ function SortableAplnRow({
           <Equal className="!size-6" />
         </Button>
       </TableCell>
-      <TableCell align="center">{row.isNew ? "-" : (row.aplnId ?? "-")}</TableCell>
       <TableCell align="center">{displaySeqNo}</TableCell>
       <TableCell align="center">
         {isEditing ? (
-          <CodeSelect
-            upCd="ATRZSE"
-            className="min-w-[120px]"
+          <Select
             value={row.atrzSeComCd ?? ""}
             onValueChange={(v) =>
-              onChange({
-                atrzSeComCd: v,
-                atrzSeComNm: findCodeLabel(atrzSeCodes, v),
-              })
+              onChange({ atrzSeComCd: v, atrzSeComNm: findCodeLabel(selectableAtrzSeCodes, v) })
             }
-            placeholder="결재구분"
-          />
+          >
+            <SelectTrigger className="min-w-[120px]">
+              <SelectValue placeholder="결재구분" />
+            </SelectTrigger>
+            <SelectContent>
+              {selectableAtrzSeCodes?.map((code) => (
+                <SelectItem key={code.lwpoCd} value={code.lwpoCd}>
+                  {code.lwpoCdNm}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
         ) : (
           atrzSeLabel || "-"
         )}
       </TableCell>
+      <TableCell align="center">{row.aprvrUserId ?? "-"}</TableCell>
       <TableCell align="center">
-        <div className="flex items-center justify-center gap-4">
-          <span>{row.aprvrNm || row.aprvrUuid || "-"}</span>
+        <div className="flex items-center justify-center gap-1">
+          <span>{row.aprvrNm || row.aprvrUuid || ""}</span>
           {isEditing && (
-            <Button type="button" size="sm" onClick={onPickAprvr}>
+            <Button type="button" size="sm" onClick={onPickAprvr} disabled={!row.atrzSeComCd}>
               선택
             </Button>
           )}
diff --git a/apps/as/src/pages/instl-sncn/ui/components/elapr-apln-picker-grid.tsx b/apps/as/src/pages/instl-sncn/ui/components/elapr-apln-picker-grid.tsx
index a22a2e880..6268058f0 100644
--- a/apps/as/src/pages/instl-sncn/ui/components/elapr-apln-picker-grid.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/components/elapr-apln-picker-grid.tsx
@@ -147,16 +147,14 @@ function ElaprAplnPickerGrid({
           <Table className="w-full">
             <colgroup>
               <col width="10%" />
-              <col width="30%" />
               <col width="10%" />
               <col width="10%" />
-              <col width="30%" />
-              <col width="10%" />
+              <col width="50%" />
+              <col width="20%" />
             </colgroup>
             <TableHeader>
               <TableRow>
                 <TableHead className="w-10" />
-                <TableHead>결재선아이디</TableHead>
                 <TableHead>결재순서</TableHead>
                 <TableHead>결재구분</TableHead>
                 <TableHead>결재자</TableHead>
diff --git a/apps/as/src/pages/instl-sncn/ui/components/elapr-tmplt-select-table.tsx b/apps/as/src/pages/instl-sncn/ui/components/elapr-tmplt-select-table.tsx
index 50bdb33b9..cd96ebe09 100644
--- a/apps/as/src/pages/instl-sncn/ui/components/elapr-tmplt-select-table.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/components/elapr-tmplt-select-table.tsx
@@ -35,18 +35,10 @@ function ElaprTmpltSelectTable({
 
   const columns = useMemo(
     () => [
-      columnHelper.accessor("elaprTmpltId", {
-        header: "전자결재서식아이디",
-        meta: { align: "left" },
-      }),
       columnHelper.accessor("elaprTmpltNm", {
         header: "결재서식명",
         meta: { align: "left" },
       }),
-      columnHelper.accessor("docSeComNm", {
-        header: "문서구분",
-        cell: ({ getValue, row }) => getValue() ?? row.original.docSeComCd ?? "—",
-      }),
     ],
     [],
   );
diff --git a/apps/as/src/pages/instl-sncn/ui/components/sortable-apln-picker-row.tsx b/apps/as/src/pages/instl-sncn/ui/components/sortable-apln-picker-row.tsx
index 46af147ca..07a9567cc 100644
--- a/apps/as/src/pages/instl-sncn/ui/components/sortable-apln-picker-row.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/components/sortable-apln-picker-row.tsx
@@ -4,9 +4,18 @@ import { useSortable } from "@dnd-kit/sortable";
 import { CSS } from "@dnd-kit/utilities";
 import { MoveVertical } from "lucide-react";
 
-import { CodeSelect, findCodeLabel, useCodeList } from "@/entities/code";
+import { findCodeLabel, useCodeList } from "@/entities/code";
 import type { ElaprAplnRow } from "@/entities/elapr";
-import { Button, TableCell, TableRow } from "@common/components";
+import {
+  Button,
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+  TableCell,
+  TableRow,
+} from "@common/components";
 
 interface SortableAplnPickerRowProps {
   row: ElaprAplnRow;
@@ -36,6 +45,7 @@ function SortableAplnPickerRow({
   onPickAprvr,
 }: SortableAplnPickerRowProps) {
   const { data: atrzSeCodes } = useCodeList("ATRZSE");
+  const selectableAtrzSeCodes = atrzSeCodes?.filter((code) => code.lwpoCd !== "ATRZ01");
 
   const { attributes, listeners, setNodeRef, transform, transition, isDragging } = useSortable({
     id: row.rowKey,
@@ -66,31 +76,35 @@ function SortableAplnPickerRow({
           <MoveVertical className="!size-6" />
         </Button>
       </TableCell>
-      <TableCell align="center">{row.isNew ? "-" : (row.aplnId ?? "-")}</TableCell>
       <TableCell align="center">{displaySeqNo}</TableCell>
       <TableCell align="center">
         {isEditing ? (
-          <CodeSelect
-            upCd="ATRZSE"
-            className="min-w-[120px]"
+          <Select
             value={row.atrzSeComCd ?? ""}
             onValueChange={(v) =>
-              onChange({
-                atrzSeComCd: v,
-                atrzSeComNm: findCodeLabel(atrzSeCodes, v),
-              })
+              onChange({ atrzSeComCd: v, atrzSeComNm: findCodeLabel(selectableAtrzSeCodes, v) })
             }
-            placeholder="결재구분"
-          />
+          >
+            <SelectTrigger className="min-w-[120px]">
+              <SelectValue placeholder="결재구분" />
+            </SelectTrigger>
+            <SelectContent>
+              {selectableAtrzSeCodes?.map((code) => (
+                <SelectItem key={code.lwpoCd} value={code.lwpoCd}>
+                  {code.lwpoCdNm}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
         ) : (
           atrzSeLabel || "-"
         )}
       </TableCell>
       <TableCell align="center">
-        <div className="flex items-center justify-center gap-4">
-          <span>{row.aprvrNm || row.aprvrUuid || "-"}</span>
+        <div className="flex items-center justify-center gap-2">
+          <span>{row.aprvrNm || row.aprvrUuid || ""}</span>
           {isEditing && (
-            <Button type="button" size="sm" onClick={onPickAprvr}>
+            <Button type="button" size="sm" onClick={onPickAprvr} disabled={!row.atrzSeComCd}>
               선택
             </Button>
           )}
diff --git a/apps/as/src/pages/instl-sncn/ui/components/sortable-prgrs-stts-row.tsx b/apps/as/src/pages/instl-sncn/ui/components/sortable-prgrs-stts-row.tsx
index 795c9d08d..b002f558d 100644
--- a/apps/as/src/pages/instl-sncn/ui/components/sortable-prgrs-stts-row.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/components/sortable-prgrs-stts-row.tsx
@@ -5,9 +5,19 @@ import { CSS } from "@dnd-kit/utilities";
 import { MoveVertical } from "lucide-react";
 
 import { Tooltip, TooltipContent, TooltipTrigger } from "@/shared/ui/tooltip";
-import { CodeSelect, findCodeLabel, useCodeList } from "@/entities/code";
+import { findCodeLabel, useCodeList } from "@/entities/code";
 import { type ElaprPrgrsSttsRow, isPrgrsSttsRowEditable } from "@/entities/elapr";
-import { Button, cn, TableCell, TableRow } from "@common/components";
+import {
+  Button,
+  cn,
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+  TableCell,
+  TableRow,
+} from "@common/components";
 
 import { getApproverStatus } from "../../lib/approval-utils";
 
@@ -39,6 +49,7 @@ function SortablePrgrsSttsRow({
   onPickAprvr,
 }: SortablePrgrsSttsRowProps) {
   const { data: atrzSeCodes } = useCodeList("ATRZSE");
+  const selectableAtrzSeCodes = atrzSeCodes?.filter((code) => code.lwpoCd !== "ATRZ01");
 
   const { attributes, listeners, setNodeRef, transform, transition, isDragging } = useSortable({
     id: row.rowKey,
@@ -89,18 +100,23 @@ function SortablePrgrsSttsRow({
       <TableCell align="center">{displaySeqNo}</TableCell>
       <TableCell align="center">
         {isEditing ? (
-          <CodeSelect
-            upCd="ATRZSE"
-            className="min-w-[120px]"
+          <Select
             value={row.atrzSeComCd ?? ""}
             onValueChange={(v) =>
-              onChange({
-                atrzSeComCd: v,
-                atrzSeComNm: findCodeLabel(atrzSeCodes, v),
-              })
+              onChange({ atrzSeComCd: v, atrzSeComNm: findCodeLabel(selectableAtrzSeCodes, v) })
             }
-            placeholder="결재구분"
-          />
+          >
+            <SelectTrigger className="min-w-[120px]">
+              <SelectValue placeholder="결재구분" />
+            </SelectTrigger>
+            <SelectContent>
+              {selectableAtrzSeCodes?.map((code) => (
+                <SelectItem key={code.lwpoCd} value={code.lwpoCd}>
+                  {code.lwpoCdNm}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
         ) : (
           atrzSeLabel || "-"
         )}
diff --git a/apps/as/src/shared/model/pbadms-sprt.ts b/apps/as/src/shared/model/pbadms-sprt.ts
index fc0722eb2..141d655bb 100644
--- a/apps/as/src/shared/model/pbadms-sprt.ts
+++ b/apps/as/src/shared/model/pbadms-sprt.ts
@@ -143,7 +143,8 @@ export interface ElaprDocPrgrsClientResponseDto {
   atrzSeComCd?: string;
   atrzSeComNm?: string;
   aprvrUuid?: string;
-  aprvrUuidNm?: string;
+  aprvrNm?: string;
+  aprvrUserId?: string;
   atrzPrgrsSttsComCd?: string;
   atrzPrgrsSttsComNm?: string;
   rjctRsn?: string | null;