From 3f2938df1c214e0c52cf9db5375ce993b06a577e Mon Sep 17 00:00:00 2001
From: jangwoong <changwng@gmail.com>
Date: Mon, 12 Oct 2026 17:45:55 +0900
Subject: [PATCH] =?UTF-8?q?[as=20elapr]=20=EC=A0=84=EC=9E=90=EA=B2=B0?=
 =?UTF-8?q?=EC=9E=AC=20forkjoin=20=ED=86=B5=ED=95=A9=20=EA=B0=9C=EB=B0=9C?=
 =?UTF-8?q?=20=ED=99=94=EB=A9=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 apps/as/src/entities/elapr/index.ts           |  10 +
 .../src/entities/elapr/lib/dmnd-save-utils.ts |  15 +-
 .../elapr/model/elapr-apln-row-types.ts       |   5 +
 .../elapr/model/elapr-dmnd-interface.ts       |   9 +
 .../elapr/model/elapr-forkjoin-types.ts       |  89 ++++
 .../elapr/model/elapr-prgrs-stts-interface.ts |   6 +
 .../elapr/ui/elapr-approval-dialog.tsx        |  81 +++-
 .../ui/elapr-doc-prgrs-forkjoin-step.tsx      | 235 ++++++++++
 .../elapr/ui/elapr-doc-prgrs-status.tsx       |  39 +-
 .../elapr/ui/elapr-forkjoin-picker-grid.tsx   | 412 ++++++++++++++++++
 .../elapr/ui/elapr-tmplt-picker-dialog.tsx    | 145 +++++-
 .../lib/fnrs-cnsltn-regist-schema.ts          |  24 +
 .../ui/components/floating-action-buttons.tsx |  46 +-
 .../pages/fnrs-cnsltn/ui/fnrs-view-page.tsx   |   6 +-
 .../model/rvw-mnpw-block-config.ts            |   1 +
 .../rvw-mnpw-mng/ui/rvw-mnpw-asmt-panel.tsx   |   1 +
 16 files changed, 1097 insertions(+), 27 deletions(-)
 create mode 100644 apps/as/src/entities/elapr/model/elapr-forkjoin-types.ts
 create mode 100644 apps/as/src/entities/elapr/ui/elapr-doc-prgrs-forkjoin-step.tsx
 create mode 100644 apps/as/src/entities/elapr/ui/elapr-forkjoin-picker-grid.tsx

diff --git a/apps/as/src/entities/elapr/index.ts b/apps/as/src/entities/elapr/index.ts
index 2210dfc17..e08a68366 100644
--- a/apps/as/src/entities/elapr/index.ts
+++ b/apps/as/src/entities/elapr/index.ts
@@ -91,6 +91,14 @@ export type {
   ElaprDmndService,
   ElaprDocPrgrsResponseDto,
 } from "./model/elapr-dmnd-interface";
+export type {
+  AtrzSttsComCd,
+  BranchSeCd,
+  BranchSttsCd,
+  ElaprBranchDto,
+  ElaprForkJoinDataMap,
+  ElaprForkJoinStepDto,
+} from "./model/elapr-forkjoin-types";
 export type {
   ElaprApproverChangeRequestDto,
   ElaprApproverInsertRequestDto,
@@ -115,11 +123,13 @@ export type { ReviewerOption } from "./model/reviewer-option";
 export { AprvrPickerDialog } from "./ui/aprvr-picker-dialog";
 export { ElaprAplnPickerGrid } from "./ui/elapr-apln-picker-grid";
 export { ElaprApprovalDialog } from "./ui/elapr-approval-dialog";
+export { ElaprDocPrgrsForkJoinStep } from "./ui/elapr-doc-prgrs-forkjoin-step";
 export {
   type ElaprDocPrgrsPickerConfirmPayload,
   ElaprDocPrgrsPickerDialog,
 } from "./ui/elapr-doc-prgrs-picker-dialog";
 export { ElaprDocPrgrsStatus } from "./ui/elapr-doc-prgrs-status";
+export { ElaprForkJoinPickerGrid } from "./ui/elapr-forkjoin-picker-grid";
 export {
   type ElaprTmpltPickerConfirmPayload,
   ElaprTmpltPickerDialog,
diff --git a/apps/as/src/entities/elapr/lib/dmnd-save-utils.ts b/apps/as/src/entities/elapr/lib/dmnd-save-utils.ts
index 7eee2894d..53b7a4535 100644
--- a/apps/as/src/entities/elapr/lib/dmnd-save-utils.ts
+++ b/apps/as/src/entities/elapr/lib/dmnd-save-utils.ts
@@ -8,6 +8,9 @@ function toPrgrsSttsItem(
   aprvrUuid: string | undefined,
   atrzSeComCd: string | undefined,
   atrzSeqNo: number | undefined,
+  branchId?: string,
+  branchSeCd?: string,
+  aprvrDeptNm?: string,
 ): ElaprPrgrsSttsSaveRequestDto {
   if (!aprvrUuid?.trim()) {
     throw new Error("결재자가 지정되지 않은 행이 있습니다.");
@@ -23,6 +26,9 @@ function toPrgrsSttsItem(
     aprvrUuid,
     atrzSeComCd,
     atrzSeqNo,
+    branchId,
+    branchSeCd,
+    aprvrDeptNm,
   };
 }
 
@@ -38,6 +44,13 @@ export function buildElaprPrgrsSttsListFromAplnRows(
   rows: ElaprAplnRow[],
 ): ElaprPrgrsSttsSaveRequestDto[] {
   return getVisibleRows(rows).map((row) =>
-    toPrgrsSttsItem(row.aprvrUuid, row.atrzSeComCd, row.atrzSeqNo),
+    toPrgrsSttsItem(
+      row.aprvrUuid,
+      row.atrzSeComCd,
+      row.atrzSeqNo,
+      row.branchId,
+      row.branchSeCd,
+      row.aprvrDeptNm,
+    ),
   );
 }
diff --git a/apps/as/src/entities/elapr/model/elapr-apln-row-types.ts b/apps/as/src/entities/elapr/model/elapr-apln-row-types.ts
index b3532df8a..378c6c5e1 100644
--- a/apps/as/src/entities/elapr/model/elapr-apln-row-types.ts
+++ b/apps/as/src/entities/elapr/model/elapr-apln-row-types.ts
@@ -7,6 +7,11 @@ export interface ElaprAplnRow extends Omit<ElaprApln, "aplnId"> {
   aplnId?: string;
   /** 결재자 표시명 — 응답 DTO 또는 선택 시 로컬 유지 */
   aprvrNm?: string;
+  /** 소속 브랜치 ID 및 구분코드 */
+  branchId?: string;
+  branchSeCd?: "MAIN" | "PIPE" | "FACILITY" | "TOTAL_AGG";
+  aprvrDeptNm?: string;
+  dcarbYn?: string;
   isNew?: boolean;
   isDirty?: boolean;
   /** 소프트 삭제 — 최종 저장 시 mode:D */
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 3b0b0d7e5..4728f203d 100644
--- a/apps/as/src/entities/elapr/model/elapr-dmnd-interface.ts
+++ b/apps/as/src/entities/elapr/model/elapr-dmnd-interface.ts
@@ -1,5 +1,6 @@
 import type { ElaprDocPrgrsClientResponseDto, PageableParams, PageResponse } from "@/shared/model";
 
+import type { ElaprBranchDto } from "./elapr-forkjoin-types";
 import type { ElaprPrgrsSttsSaveRequestDto } from "./elapr-prgrs-stts-interface";
 
 /** 백엔드 ElaprDmndSaveRequestDto */
@@ -7,6 +8,9 @@ export interface ElaprDmndSaveRequestDto {
   elaprDocNo: string;
   dmndTtl: string;
   dmndCn: string;
+  taskSeComCd?: string | null;
+  forkJoinSeCd?: string | null;
+  crntStageNo?: number | null;
   elaprCycl?: number | null;
   docPrgrsSttsComCd?: string | null;
   elaprPrgrsSttsList?: ElaprPrgrsSttsSaveRequestDto[];
@@ -19,8 +23,13 @@ export interface ElaprDmndResponseDto {
   elaprDocNo: string;
   dmndTtl: string;
   dmndCn: string;
+  taskSeComCd?: string;
+  forkJoinSeCd?: string;
+  crntStageNo?: number;
+  elaprBranchList?: ElaprBranchDto[];
   atrzSttsComCd: string;
   atrzSttsComNm?: string;
+  elaprCycl?: number;
   dmndDt?: string;
   updtDt?: string;
 }
diff --git a/apps/as/src/entities/elapr/model/elapr-forkjoin-types.ts b/apps/as/src/entities/elapr/model/elapr-forkjoin-types.ts
new file mode 100644
index 000000000..766ca3675
--- /dev/null
+++ b/apps/as/src/entities/elapr/model/elapr-forkjoin-types.ts
@@ -0,0 +1,89 @@
+/**
+ * 공공하수도 재원협의 복합사업(SF+SP) Fork-Join 병렬결재 모델 및 타입 정의 (10월 12일 개정: 6인 체제)
+ */
+
+/** 전자결재 마스터 진행상태 공통코드 (ATRZSTTS: tb_as_elapr_dmnd.atrz_stts_com_cd) */
+export type AtrzSttsComCd =
+  | "ATRZ_STTS_001" // 대기중
+  | "ATRZ_STTS_002" // 결재진행중
+  | "ATRZ_STTS_003" // 결재완료
+  | "ATRZ_STTS_004" // 반려
+  | "ATRZ_STTS_005" // 회수
+  | "ATRZ_STTS_006"; // 취소
+
+/** 결재 구분 공통코드 (ATRZSE: tb_as_elapr_prgrs_stts.atrz_se_com_cd) */
+export type AtrzSeComCd =
+  | "ATRZ01" // 접수 (민원/신청 접수)
+  | "ATRZ02" // 검토 (실무 기술검토)
+  | "ATRZ03" // 승인 (부서 승인 / 병합에 회신)
+  | "ATRZ04" // 병합 (정책총괄 AI 병합의견 종합 심의 - 10-12 신설)
+  | "ATRZ99"; // 최종승인(회신) (환경청에 최종 회신)
+
+/** 브랜치 구분코드 */
+export type BranchSeCd = "MAIN" | "PIPE" | "FACILITY" | "TOTAL_AGG";
+
+/** 브랜치 진행상태코드 */
+export type BranchSttsCd =
+  | "WAITING"
+  | "IN_PROGRESS"
+  | "COMPLETED"
+  | "REJECTED"
+  | "CANCELLED";
+
+/** 브랜치 단위 정보 DTO */
+export interface ElaprBranchDto {
+  branchId: string;
+  elaprDmndId: string;
+  stageSeqNo: number; // 2: 병렬검토, 3: 합류취합
+  branchSeCd: BranchSeCd;
+  branchNm: string;
+  branchSttsCd: BranchSttsCd;
+  joinReqYn: "Y" | "N";
+  strtDt?: string;
+  endDt?: string;
+}
+
+/** 결재 진행 스텝 DTO (브랜치 확장) */
+export interface ElaprForkJoinStepDto {
+  elaprPrgrsId: string;
+  elaprDmndId?: string;
+  branchId?: string;
+  branchSeCd?: BranchSeCd;
+  aprvrUuid: string;
+  aprvrNm?: string;
+  aprvrDeptNm?: string;
+  ognzNm?: string;
+  jbpsSeNm?: string;
+  atrzSeComCd: AtrzSeComCd | string; // ATRZ01: 접수, ATRZ02: 검토, ATRZ03: 승인, ATRZ04: 병합, ATRZ99: 최종승인(회신)
+  atrzSeComNm?: string;
+  atrzSeqNo: number;
+  atrzPrgrsSttsComCd: string; // ATRZ_PRGRS_001: 대기, ATRZ_PRGRS_002: 요청, ATRZ_PRGRS_003: 완료, ATRZ_PRGRS_004: 반려, ATRZ_PRGRS_999: 결재안함
+  atrzPrgrsSttsComNm?: string;
+  rjctRsn?: string;
+  atrzDt?: string;
+  dcarbYn?: string;
+  elaprCycl?: number;
+}
+
+/** 3개 트랙으로 분할된 결재선 데이터 맵 (10-12 개정: 총 6인 체제) */
+export interface ElaprForkJoinDataMap {
+  pipeTrack: ElaprForkJoinStepDto[]; // 관로부 (2명: 검토(02) ➔ 승인(03))
+  facilityTrack: ElaprForkJoinStepDto[]; // 시설부 (2명: 검토(02) ➔ 승인(03))
+  aggTrack: ElaprForkJoinStepDto[]; // 정책부 종합병합 (2명: 병합(04) ➔ 최종승인(99))
+}
+
+/** 결재 승인 요청 DTO */
+export interface ElaprApproveRequestDto {
+  elaprDmndId: string;
+  branchId: string;
+  elaprPrgrsId: string;
+  atrzOpnn?: string;
+}
+
+/** 결재 단계별 반려 요청 DTO (10-12 개정) */
+export interface ElaprRejectRequestDto {
+  elaprDmndId: string;
+  branchId: string;
+  elaprPrgrsId: string;
+  rjctRsn: string; // 반려 사유 필수
+}
diff --git a/apps/as/src/entities/elapr/model/elapr-prgrs-stts-interface.ts b/apps/as/src/entities/elapr/model/elapr-prgrs-stts-interface.ts
index 1633b95f8..0204ac17d 100644
--- a/apps/as/src/entities/elapr/model/elapr-prgrs-stts-interface.ts
+++ b/apps/as/src/entities/elapr/model/elapr-prgrs-stts-interface.ts
@@ -14,6 +14,9 @@ export type ElaprPrgrsSttsSaveMode =
 export interface ElaprPrgrsSttsResponseDto {
   elaprPrgrsId: string;
   elaprDmndId?: string;
+  branchId?: string;
+  branchSeCd?: string;
+  aprvrDeptNm?: string;
   aprvrUuid?: string;
   atrzSeComCd?: string;
   atrzSeComNm?: string;
@@ -30,6 +33,9 @@ export interface ElaprPrgrsSttsSaveRequestDto {
   mode?: ElaprPrgrsSttsSaveMode;
   elaprPrgrsId?: string;
   elaprDmndId?: string;
+  branchId?: string;
+  branchSeCd?: string;
+  aprvrDeptNm?: string;
   aprvrUuid?: string;
   atrzSeComCd?: string;
   atrzSeqNo?: number;
diff --git a/apps/as/src/entities/elapr/ui/elapr-approval-dialog.tsx b/apps/as/src/entities/elapr/ui/elapr-approval-dialog.tsx
index adca68c16..2187d38ef 100644
--- a/apps/as/src/entities/elapr/ui/elapr-approval-dialog.tsx
+++ b/apps/as/src/entities/elapr/ui/elapr-approval-dialog.tsx
@@ -49,6 +49,7 @@ interface ElaprApprovalDialogProps {
   elaprDocNo: string;
   currentUserUuid: string;
   elaprCycl?: number;
+  taskSeComCd?: string | null;
   onSuccess: () => void;
 }
 
@@ -60,6 +61,7 @@ function ElaprApprovalDialog({
   elaprDocNo,
   currentUserUuid,
   elaprCycl,
+  taskSeComCd,
   onSuccess,
 }: ElaprApprovalDialogProps) {
   const queryClient = useQueryClient();
@@ -104,7 +106,29 @@ function ElaprApprovalDialog({
   const currentUserPrgrs = findCurrentUserPendingApprovalRequest(cyclDocPrgrsList, currentUserUuid);
   const canApprove = Boolean(currentUserPrgrs?.elaprPrgrsId);
   const canReject =
-    currentUserPrgrs?.atrzSeComCd === "ATRZ03" || currentUserPrgrs?.atrzSeComCd === "ATRZ99";
+    currentUserPrgrs?.atrzSeComCd === "ATRZ03" ||
+    currentUserPrgrs?.atrzSeComCd === "ATRZ04" ||
+    currentUserPrgrs?.atrzSeComCd === "ATRZ99" ||
+    (currentUserPrgrs?.atrzSeqNo ?? 1) > 1;
+
+  const branchSeCd = (currentUserPrgrs as { branchSeCd?: string } | undefined)?.branchSeCd;
+  const isForkJoin =
+    taskSeComCd === "SF_SP" ||
+    branchSeCd === "PIPE" ||
+    branchSeCd === "FACILITY" ||
+    branchSeCd === "TOTAL_AGG";
+
+  const isLastInBranch =
+    currentUserPrgrs?.atrzSeComCd === "ATRZ99" || currentUserPrgrs?.atrzSeComCd === "ATRZ03";
+
+  const approveButtonLabel = useMemo(() => {
+    if (!isForkJoin) return "결재";
+    if (branchSeCd === "TOTAL_AGG" && isLastInBranch) return "결재 (환경청에 최종회신)";
+    if (branchSeCd === "TOTAL_AGG") return "결재 (병합)";
+    if ((branchSeCd === "PIPE" || branchSeCd === "FACILITY") && isLastInBranch)
+      return "결재 (병합에 회신)";
+    return "결재 (검토)";
+  }, [isForkJoin, branchSeCd, isLastInBranch]);
 
   const pickingRow = pickingRowKey ? rows.find((r) => r.rowKey === pickingRowKey) : undefined;
   const isBusy = isProcessing || savePrgrsSttsMutation.isPending;
@@ -239,7 +263,11 @@ function ElaprApprovalDialog({
         atrzPrgrsSttsComCd: "ATRZ_PRGRS_004",
         rjctRsn: rjctRsn.trim(),
       });
-      alert("반려 처리가 완료되었습니다.");
+      alert(
+        isForkJoin
+          ? "결재가 반려 처리되었습니다.\n직전 결재자가 '결재 대기중'으로 변경되었습니다. 상대 부서 결재는 정상 진행됩니다."
+          : "반려 처리가 완료되었습니다.",
+      );
       queryClient.invalidateQueries({
         queryKey: [ENDPOINT.AS_ELAPR_SERVICE.ELAPR_DMND, "findDocPrgrsByDocNo", elaprDocNo],
       });
@@ -272,6 +300,42 @@ function ElaprApprovalDialog({
         </DialogHeader>
 
         <div className="space-y-6">
+          {isForkJoin && (
+            <div className="rounded-lg border border-blue-200 bg-blue-50/70 p-4 text-sm text-blue-900">
+              <div className="mb-1 flex items-center gap-2 font-bold">
+                <span className="rounded-sm bg-blue-200 px-2 py-0.5 text-xs text-blue-950">
+                  {branchSeCd === "PIPE"
+                    ? "🌊 하수관로 전문기술검토 (Stage 2)"
+                    : branchSeCd === "FACILITY"
+                    ? "🏭 하수처리시설 전문기술검토 (Stage 2)"
+                    : branchSeCd === "TOTAL_AGG"
+                    ? isLastInBranch
+                      ? "⚖️ 정책총괄 최종승인 및 회신 (Stage 3)"
+                      : "⚖️ 정책총괄 AI 종합병합 (Stage 3)"
+                    : "복합사업 결재"}
+                </span>
+                <span>
+                  {branchSeCd === "TOTAL_AGG"
+                    ? isLastInBranch
+                      ? "환경청 대외 최종 회신 단계"
+                      : "AI 의견 종합 및 병합 심의 단계"
+                    : isLastInBranch
+                    ? "병합부서(정책총괄) 내부 회신(이관) 단계"
+                    : "실무 기술검토 단계"}
+                </span>
+              </div>
+              <p className="text-xs text-blue-800">
+                {branchSeCd === "TOTAL_AGG"
+                  ? isLastInBranch
+                    ? "ℹ️ [중요] 본 승인은 환경청에 최종 회신하는 결재입니다. 승인 즉시 공문이 대외 발송되며 원천문서 상태가 TP(기술검토회신) 또는 TR(최종실무협의완료)로 전이됩니다."
+                    : "ℹ️ [안내] 본 승인은 'AI의견 종합 및 병합 심의' 단계입니다. 양 부서 검토의견을 종합 반영하여 정책실장(최종 전결권자)에게 이관됩니다."
+                  : isLastInBranch
+                  ? "ℹ️ [안내] 본 승인은 '병합에 회신'하는 내부 이관 단계입니다. 환경청으로 직접 공문이 나가지 않으며, 상대방 부서 검토 완료 시 종합병합 단계로 자동 합류(Join)됩니다."
+                  : "ℹ️ [안내] 본 단계는 실무 기술검토 단계입니다. 검토 완료 후 부서 승인자에게 이관됩니다."}
+              </p>
+            </div>
+          )}
+
           <div>
             <div className="mb-3 flex flex-wrap items-center justify-between gap-3">
               <h4 className="text-xl font-semibold">결재 진행 단계</h4>
@@ -372,6 +436,17 @@ function ElaprApprovalDialog({
 
           {canApprove && (
             <div>
+              {isForkJoin && canReject && (
+                <div className="mb-2 space-y-1 rounded-md border border-amber-300 bg-amber-50 p-3 text-xs text-amber-900">
+                  <div className="font-bold">⚠️ [단계별 반려 안내 (10월 12일 개정)]</div>
+                  <p>현재 복합사업 병렬 검토가 진행 중입니다. 본 단계에서 반려 처리 시:</p>
+                  <ul className="list-disc pl-4 space-y-0.5">
+                    <li>귀하(현재 결재자)는 반려(ATRZ_PRGRS_004) 처리됩니다.</li>
+                    <li>이전(직전) 결재자만 &apos;결재 대기중(ATRZ_PRGRS_002)&apos;으로 변경되어 보완 및 재상신 기회가 부여됩니다.</li>
+                    <li>동시에 진행 중인 상대방 부서 결재는 중단되지 않고 독립 정상 진행됩니다.</li>
+                  </ul>
+                </div>
+              )}
               <h4 className="mb-3 text-xl font-semibold">반려 의견</h4>
               <Textarea
                 value={rjctRsn}
@@ -392,7 +467,7 @@ function ElaprApprovalDialog({
             {canApprove && (
               <div className="flex items-center gap-2">
                 <Button onClick={handleApprove} disabled={isBusy}>
-                  결재
+                  {approveButtonLabel}
                 </Button>
                 {canReject && (
                   <Button color="red" onClick={handleReject} disabled={isBusy}>
diff --git a/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-forkjoin-step.tsx b/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-forkjoin-step.tsx
new file mode 100644
index 000000000..a850a6b98
--- /dev/null
+++ b/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-forkjoin-step.tsx
@@ -0,0 +1,235 @@
+"use client";
+
+import { useMemo } from "react";
+
+import { ArrowDown, ArrowRight, CheckCircle2, ChevronRight, GitFork, GitMerge } from "lucide-react";
+
+import { dayjs } from "@/shared/lib";
+import type { ElaprDocPrgrsClientResponseDto } from "@/shared/model";
+import { Tooltip, TooltipContent, TooltipTrigger } from "@/shared/ui/tooltip";
+import { cn } from "@common/components";
+
+import { getApproverStatus } from "../lib/approval-utils";
+
+const REJECT_STATUS_CD = "ATRZ_PRGRS_004";
+
+interface ElaprDocPrgrsForkJoinStepProps {
+  steps: ElaprDocPrgrsClientResponseDto[];
+}
+
+function ApproverCard({ item }: { item: ElaprDocPrgrsClientResponseDto }) {
+  const status = getApproverStatus(item.atrzPrgrsSttsComCd, item.atrzSeComCd);
+  const isRejected = item.atrzPrgrsSttsComCd === REJECT_STATUS_CD;
+  const isCurrent = item.atrzPrgrsSttsComCd === "ATRZ_PRGRS_002";
+  const rjctRsn = item.rjctRsn?.trim();
+  const metaParts = [item.ognzNm, item.jbpsSeNm].filter(Boolean);
+
+  const statusBadge = (
+    <span
+      className={cn(
+        "inline-flex items-center rounded-sm px-3 py-1 text-sm font-semibold",
+        status.badgeClass,
+        isCurrent && "animate-pulse ring-2 ring-blue-400",
+        isRejected && rjctRsn && "cursor-help underline decoration-dotted underline-offset-4",
+      )}
+    >
+      {status.label}
+    </span>
+  );
+
+  return (
+    <div className="flex min-w-[13rem] flex-1 flex-col items-center gap-2 rounded-lg border border-gray-200 bg-white p-4 text-center shadow-xs">
+      {isRejected && rjctRsn ? (
+        <Tooltip>
+          <TooltipTrigger asChild>{statusBadge}</TooltipTrigger>
+          <TooltipContent sideOffset={4} className="max-w-md whitespace-pre-wrap">
+            {rjctRsn}
+          </TooltipContent>
+        </Tooltip>
+      ) : (
+        statusBadge
+      )}
+      <div className="flex flex-col items-center gap-1">
+        <p className="text-base font-semibold text-gray-900">
+          <span className="text-muted-foreground">[{item.atrzSeComNm || "-"}]</span>{" "}
+          {item.aprvrNm || item.aprvrUuid || "-"}
+        </p>
+        {metaParts.length > 0 && (
+          <span className="text-xs text-gray-500">{metaParts.join(" · ")}</span>
+        )}
+        {item.atrzDt && (
+          <span className="text-xs text-gray-400">{dayjs(item.atrzDt).format("MM-DD HH:mm")}</span>
+        )}
+      </div>
+    </div>
+  );
+}
+
+export function ElaprDocPrgrsForkJoinStep({ steps }: ElaprDocPrgrsForkJoinStepProps) {
+  // 브랜치별 분할 (branchSeCd 우선, 없으면 seqNo fallback)
+  const { pipeSteps, facSteps, aggSteps } = useMemo(() => {
+    const pipe: ElaprDocPrgrsClientResponseDto[] = [];
+    const fac: ElaprDocPrgrsClientResponseDto[] = [];
+    const agg: ElaprDocPrgrsClientResponseDto[] = [];
+
+    steps.forEach((step) => {
+      const seCd = (step as { branchSeCd?: string }).branchSeCd;
+      if (seCd === "PIPE") {
+        pipe.push(step);
+      } else if (seCd === "FACILITY" || seCd === "FAC") {
+        fac.push(step);
+      } else if (seCd === "TOTAL_AGG" || seCd === "POL_JOIN" || seCd === "AGG") {
+        agg.push(step);
+      } else {
+        // 순번 fallback (6인 체제: 2/2/2)
+        const seq = Number(step.atrzSeqNo ?? 1);
+        if (seq <= 2) pipe.push(step);
+        else if (seq <= 4) fac.push(step);
+        else agg.push(step);
+      }
+    });
+
+    return {
+      pipeSteps: pipe.sort((a, b) => Number(a.atrzSeqNo) - Number(b.atrzSeqNo)),
+      facSteps: fac.sort((a, b) => Number(a.atrzSeqNo) - Number(b.atrzSeqNo)),
+      aggSteps: agg.sort((a, b) => Number(a.atrzSeqNo) - Number(b.atrzSeqNo)),
+    };
+  }, [steps]);
+
+  // 완료 상태 판정
+  const isPipeCompleted =
+    pipeSteps.length > 0 &&
+    pipeSteps.every((s) => s.atrzPrgrsSttsComCd === "ATRZ_PRGRS_003");
+  const isFacCompleted =
+    facSteps.length > 0 &&
+    facSteps.every((s) => s.atrzPrgrsSttsComCd === "ATRZ_PRGRS_003");
+  const isJoinReady = isPipeCompleted && isFacCompleted;
+
+  return (
+    <div className="flex flex-col gap-6 p-2">
+      <div className="flex flex-col gap-6 lg:flex-row lg:items-stretch">
+        {/* Stage 2: 상/하 2열 병렬 트랙 */}
+        <div className="flex flex-1 flex-col gap-4 rounded-xl border border-blue-100 bg-blue-50/40 p-4">
+          <div className="flex items-center gap-2 border-b border-blue-200/60 pb-2">
+            <GitFork className="size-5 text-blue-600" />
+            <h4 className="text-base font-bold text-blue-950">
+              Stage 2: 부서별 병렬 전문검토 (각 2인)
+            </h4>
+            <span className="rounded-full bg-blue-100 px-2 py-0.5 text-xs font-semibold text-blue-800">
+              동시 진행
+            </span>
+          </div>
+
+          {/* 1) 관로부 트랙 */}
+          <div className="rounded-lg border border-cyan-200 bg-cyan-50/50 p-3">
+            <div className="mb-2 flex items-center justify-between">
+              <span className="text-sm font-bold text-cyan-900">🌊 하수관로 전문검토</span>
+              <span
+                className={`text-xs font-semibold px-2 py-0.5 rounded-full ${
+                  isPipeCompleted
+                    ? "bg-emerald-100 text-emerald-800"
+                    : "bg-cyan-100 text-cyan-800"
+                }`}
+              >
+                {isPipeCompleted ? "병합에 회신 완료 (2/2)" : "진행중"}
+              </span>
+            </div>
+            <div className="flex flex-wrap items-center gap-2">
+              {pipeSteps.map((item, idx) => (
+                <div key={item.elaprPrgrsId ?? idx} className="flex items-center gap-2">
+                  <ApproverCard item={item} />
+                  {idx < pipeSteps.length - 1 && (
+                    <ChevronRight className="size-5 text-cyan-400" />
+                  )}
+                </div>
+              ))}
+            </div>
+          </div>
+
+          {/* 2) 시설부 트랙 */}
+          <div className="rounded-lg border border-indigo-200 bg-indigo-50/50 p-3">
+            <div className="mb-2 flex items-center justify-between">
+              <span className="text-sm font-bold text-indigo-900">🏭 하수처리시설 전문검토</span>
+              <span
+                className={`text-xs font-semibold px-2 py-0.5 rounded-full ${
+                  isFacCompleted
+                    ? "bg-emerald-100 text-emerald-800"
+                    : "bg-indigo-100 text-indigo-800"
+                }`}
+              >
+                {isFacCompleted ? "병합에 회신 완료 (2/2)" : "진행중"}
+              </span>
+            </div>
+            <div className="flex flex-wrap items-center gap-2">
+              {facSteps.map((item, idx) => (
+                <div key={item.elaprPrgrsId ?? idx} className="flex items-center gap-2">
+                  <ApproverCard item={item} />
+                  {idx < facSteps.length - 1 && (
+                    <ChevronRight className="size-5 text-indigo-400" />
+                  )}
+                </div>
+              ))}
+            </div>
+          </div>
+        </div>
+
+        {/* JOIN 합류 다이어그램 연결 */}
+        <div className="flex items-center justify-center px-2">
+          <div className="flex flex-col items-center gap-2 rounded-xl border border-emerald-200 bg-emerald-50/80 p-4 text-center shadow-xs">
+            <GitMerge className="size-6 text-emerald-600" />
+            <span className="text-xs font-bold text-emerald-900">JOIN 합류</span>
+            <div className="flex flex-col gap-1 text-[11px] text-emerald-800">
+              <span className="flex items-center gap-1">
+                {isPipeCompleted ? "🟢" : "⏳"} 관로 {isPipeCompleted ? "완료" : "대기"}
+              </span>
+              <span className="flex items-center gap-1">
+                {isFacCompleted ? "🟢" : "⏳"} 시설 {isFacCompleted ? "완료" : "대기"}
+              </span>
+            </div>
+            <div
+              className={`mt-1 rounded-sm px-2 py-1 text-xs font-bold ${
+                isJoinReady
+                  ? "bg-emerald-200 text-emerald-900"
+                  : "bg-gray-200 text-gray-700"
+              }`}
+            >
+              {isJoinReady ? "Stage 3 활성화됨" : "병렬 대기중"}
+            </div>
+            <ArrowRight className="hidden size-5 text-emerald-600 lg:block" />
+            <ArrowDown className="size-5 text-emerald-600 lg:hidden" />
+          </div>
+        </div>
+
+        {/* Stage 3: 정책총괄부 종합취합 및 환경청 최종회신 트랙 */}
+        <div className="flex flex-1 flex-col gap-4 rounded-xl border border-purple-100 bg-purple-50/40 p-4">
+          <div className="flex items-center gap-2 border-b border-purple-200/60 pb-2">
+            <CheckCircle2 className="size-5 text-purple-600" />
+            <h4 className="text-base font-bold text-purple-950">
+              Stage 3: 정책총괄 종합병합 및 환경청 회신 (2인)
+            </h4>
+            <span
+              className={`rounded-full px-2 py-0.5 text-xs font-semibold ${
+                isJoinReady
+                  ? "bg-purple-100 text-purple-800"
+                  : "bg-gray-100 text-gray-600"
+              }`}
+            >
+              {isJoinReady ? "진행 가능" : "대기"}
+            </span>
+          </div>
+
+          <div className="flex flex-wrap items-center gap-2 rounded-lg border border-purple-200 bg-purple-50/50 p-3">
+            {aggSteps.map((item, idx) => (
+              <div key={item.elaprPrgrsId ?? idx} className="flex items-center gap-2">
+                <ApproverCard item={item} />
+                {idx < aggSteps.length - 1 && (
+                  <ChevronRight className="size-5 text-purple-400" />
+                )}
+              </div>
+            ))}
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-status.tsx b/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-status.tsx
index ea23484e4..684312b8f 100644
--- a/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-status.tsx
+++ b/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-status.tsx
@@ -13,10 +13,13 @@ import { cn, Skeleton, Tabs, TabsContent, TabsList, TabsTrigger } from "@common/
 import { useElaprDocPrgrsByDocNo } from "../api/queries";
 import { getApproverStatus, sortByAtrzSeqNo } from "../lib/approval-utils";
 
+import { ElaprDocPrgrsForkJoinStep } from "./elapr-doc-prgrs-forkjoin-step";
+
 const REJECT_STATUS_CD = "ATRZ_PRGRS_004";
 
 interface ElaprDocPrgrsStatusProps {
   elaprDocNo: string | null | undefined;
+  taskSeComCd?: string | null;
 }
 
 function ElaprDocPrgrsStep({ item }: { item: ElaprDocPrgrsClientResponseDto }) {
@@ -88,21 +91,33 @@ function ElaprDocPrgrsStepList({ steps }: { steps: ElaprDocPrgrsClientResponseDt
   );
 }
 
-function ElaprDocPrgrsStatus({ elaprDocNo }: ElaprDocPrgrsStatusProps) {
+function ElaprDocPrgrsStatus({ elaprDocNo, taskSeComCd }: ElaprDocPrgrsStatusProps) {
   const userInfo = useUserStore((state) => state.userInfo);
   const { data, isLoading } = useElaprDocPrgrsByDocNo(elaprDocNo);
   const [activeCycl, setActiveCycl] = useState<"1" | "2">("1");
 
-  const { cycl1Steps, cycl2Steps, hasCycl2 } = useMemo(() => {
+  const { cycl1Steps, cycl2Steps, hasCycl2, isForkJoin1, isForkJoin2 } = useMemo(() => {
     const rows = data ?? [];
     const cycl1 = sortByAtrzSeqNo(rows.filter((item) => Number(item.elaprCycl ?? 1) !== 2));
     const cycl2 = sortByAtrzSeqNo(rows.filter((item) => Number(item.elaprCycl) === 2));
+
+    const checkForkJoin = (list: typeof rows) =>
+      taskSeComCd === "SF_SP" ||
+      list.some(
+        (s) =>
+          (s as { branchSeCd?: string }).branchSeCd === "PIPE" ||
+          (s as { branchSeCd?: string }).branchSeCd === "FACILITY",
+      ) ||
+      list.length >= 6;
+
     return {
       cycl1Steps: cycl1,
       cycl2Steps: cycl2,
       hasCycl2: cycl2.length > 0,
+      isForkJoin1: checkForkJoin(cycl1),
+      isForkJoin2: checkForkJoin(cycl2),
     };
-  }, [data]);
+  }, [data, taskSeComCd]);
 
   useEffect(() => {
     setActiveCycl(hasCycl2 ? "2" : "1");
@@ -138,23 +153,33 @@ function ElaprDocPrgrsStatus({ elaprDocNo }: ElaprDocPrgrsStatusProps) {
         >
           <TabsList>
             <TabsTrigger value="1" className="!px-6 !py-3 text-xl">
-              재원협의
+              1차 실무협의 (기술검토)
             </TabsTrigger>
             <TabsTrigger value="2" className="!px-6 !py-3 text-xl">
-              실무협의서
+              2차 조치결과 검토 (종결)
             </TabsTrigger>
           </TabsList>
           <TabsContent value="1" className="mt-2 border-none p-0 shadow-none">
             <div className="-mx-2">
-              <ElaprDocPrgrsStepList steps={cycl1Steps} />
+              {isForkJoin1 ? (
+                <ElaprDocPrgrsForkJoinStep steps={cycl1Steps} />
+              ) : (
+                <ElaprDocPrgrsStepList steps={cycl1Steps} />
+              )}
             </div>
           </TabsContent>
           <TabsContent value="2" className="mt-2 border-none p-0 shadow-none">
             <div className="-mx-2">
-              <ElaprDocPrgrsStepList steps={cycl2Steps} />
+              {isForkJoin2 ? (
+                <ElaprDocPrgrsForkJoinStep steps={cycl2Steps} />
+              ) : (
+                <ElaprDocPrgrsStepList steps={cycl2Steps} />
+              )}
             </div>
           </TabsContent>
         </Tabs>
+      ) : isForkJoin1 ? (
+        <ElaprDocPrgrsForkJoinStep steps={cycl1Steps} />
       ) : (
         <ElaprDocPrgrsStepList steps={cycl1Steps} />
       )}
diff --git a/apps/as/src/entities/elapr/ui/elapr-forkjoin-picker-grid.tsx b/apps/as/src/entities/elapr/ui/elapr-forkjoin-picker-grid.tsx
new file mode 100644
index 000000000..7aa92cde0
--- /dev/null
+++ b/apps/as/src/entities/elapr/ui/elapr-forkjoin-picker-grid.tsx
@@ -0,0 +1,412 @@
+"use client";
+
+import { useCallback, useEffect, useMemo, useState } from "react";
+
+import { closestCenter, DndContext, type DragEndEvent } from "@dnd-kit/core";
+import { SortableContext, verticalListSortingStrategy } from "@dnd-kit/sortable";
+
+import { useAlertStore } from "@/shared/lib";
+import {
+  Button,
+  Table,
+  TableBody,
+  TableHead,
+  TableHeader,
+  TableRow,
+  Tabs,
+  TabsContent,
+  TabsList,
+  TabsTrigger,
+} from "@common/components";
+
+import { useDndSensors } from "../lib/use-dnd-sensors";
+import type { ElaprAplnRow } from "../model/elapr-apln-row-types";
+import type { ReviewerOption } from "../model/reviewer-option";
+
+import { AprvrPickerDialog } from "./aprvr-picker-dialog";
+import { SortableAplnPickerRow } from "./sortable-apln-picker-row";
+
+type ForkJoinTrackKey = "PIPE" | "FACILITY" | "TOTAL_AGG";
+
+interface TrackConfig {
+  key: ForkJoinTrackKey;
+  label: string;
+  defaultDeptNm: string;
+  guideText: string;
+  minCount: number;
+  maxCount: number;
+}
+
+const TRACK_CONFIGS: TrackConfig[] = [
+  {
+    key: "PIPE",
+    label: "하수관로 검토",
+    defaultDeptNm: "하수관로부",
+    guideText: "ℹ️ 하수관로 부서 검토·승인 완료 시 종합병합부서로 내부 회신(이관)됩니다.",
+    minCount: 2,
+    maxCount: 5,
+  },
+  {
+    key: "FACILITY",
+    label: "하수처리시설 검토",
+    defaultDeptNm: "하수처리시설부",
+    guideText: "ℹ️ 하수처리시설 부서 검토·승인 완료 시 종합병합부서로 내부 회신(이관)됩니다.",
+    minCount: 2,
+    maxCount: 5,
+  },
+  {
+    key: "TOTAL_AGG",
+    label: "정책부 종합병합",
+    defaultDeptNm: "정책총괄부",
+    guideText: "ℹ️ 두 부서(관로+시설) Join 완료 후 정책취합 및 환경청 최종회신 단계로 진행됩니다.",
+    minCount: 2,
+    maxCount: 5,
+  },
+];
+
+function createDefaultRow(
+  branchSeCd: ForkJoinTrackKey,
+  deptNm: string,
+  seq: number,
+  seComCd: string,
+): ElaprAplnRow {
+  return {
+    rowKey: `forkjoin-${branchSeCd}-${seq}-${Date.now()}-${Math.random().toString(36).slice(2, 6)}`,
+    elaprTmpltId: "TMPLT_SF_SP_FORKJOIN",
+    atrzSeqNo: seq,
+    atrzSeComCd: seComCd,
+    aprvrDeptNm: deptNm,
+    branchSeCd,
+    isNew: true,
+    isDirty: false,
+    dcarbYn: seComCd === "ATRZ99" ? "Y" : "N",
+  };
+}
+
+interface ElaprForkJoinPickerGridProps {
+  onRowsChange?: (rows: ElaprAplnRow[]) => void;
+  onEditingLockedChange?: (locked: boolean) => void;
+}
+
+export function ElaprForkJoinPickerGrid({
+  onRowsChange,
+  onEditingLockedChange,
+}: ElaprForkJoinPickerGridProps) {
+  const alert = useAlertStore((state) => state.setMessage);
+  const [activeTab, setActiveTab] = useState<ForkJoinTrackKey>("PIPE");
+
+  // 3개 트랙별 결재선 상태 (10월 12일 개정: 각 2명씩 총 6인 체제)
+  const [trackRows, setTrackRows] = useState<Record<ForkJoinTrackKey, ElaprAplnRow[]>>(() => ({
+    PIPE: [
+      createDefaultRow("PIPE", "하수관로부", 1, "ATRZ02"), // 검토
+      createDefaultRow("PIPE", "하수관로부", 2, "ATRZ03"), // 승인 (병합에 회신)
+    ],
+    FACILITY: [
+      createDefaultRow("FACILITY", "하수처리시설부", 1, "ATRZ02"), // 검토
+      createDefaultRow("FACILITY", "하수처리시설부", 2, "ATRZ03"), // 승인 (병합에 회신)
+    ],
+    TOTAL_AGG: [
+      createDefaultRow("TOTAL_AGG", "정책총괄부", 1, "ATRZ04"), // 병합 (10-12 신설)
+      createDefaultRow("TOTAL_AGG", "정책총괄부", 2, "ATRZ99"), // 최종승인/전결 (환경청 최종회신)
+    ],
+  }));
+
+  const [editingRowKey, setEditingRowKey] = useState<string | null>(null);
+  const [pickerOpen, setPickerOpen] = useState(false);
+  const [pickingRowKey, setPickingRowKey] = useState<string | null>(null);
+
+  const sensors = useDndSensors();
+
+  // 통합 전체 결재선 목록
+  const allRows = useMemo(() => {
+    return [...trackRows.PIPE, ...trackRows.FACILITY, ...trackRows.TOTAL_AGG];
+  }, [trackRows]);
+
+  useEffect(() => {
+    onRowsChange?.(allRows);
+  }, [allRows, onRowsChange]);
+
+  useEffect(() => {
+    onEditingLockedChange?.(editingRowKey !== null);
+  }, [editingRowKey, onEditingLockedChange]);
+
+  const currentTrackConfig = useMemo(() => {
+    return TRACK_CONFIGS.find((c) => c.key === activeTab) ?? TRACK_CONFIGS[0];
+  }, [activeTab]);
+
+  const currentRows = trackRows[activeTab] ?? [];
+
+  const pickingRow = useMemo(() => {
+    if (!pickingRowKey) return undefined;
+    return allRows.find((r) => r.rowKey === pickingRowKey);
+  }, [pickingRowKey, allRows]);
+
+  // 행 추가 (부서별 최대 5명 제한)
+  const handleAddRow = useCallback(() => {
+    if (editingRowKey) {
+      alert("편집 중인 결재선이 있습니다. 저장 또는 취소 후 추가해 주세요.");
+      return;
+    }
+    if (currentRows.length >= currentTrackConfig.maxCount) {
+      alert(`[${currentTrackConfig.label}] 결재선은 최대 ${currentTrackConfig.maxCount}명까지 지정 가능합니다.`);
+      return;
+    }
+    const newSeq = currentRows.length + 1;
+    let defaultSeComCd = "ATRZ02";
+    if (activeTab === "TOTAL_AGG") {
+      defaultSeComCd = newSeq === 1 ? "ATRZ04" : "ATRZ99";
+    } else {
+      defaultSeComCd = newSeq === 1 ? "ATRZ02" : "ATRZ03";
+    }
+
+    const newRow = createDefaultRow(
+      activeTab,
+      currentTrackConfig.defaultDeptNm,
+      newSeq,
+      defaultSeComCd,
+    );
+    setTrackRows((prev) => ({
+      ...prev,
+      [activeTab]: [...prev[activeTab], newRow],
+    }));
+    setEditingRowKey(newRow.rowKey);
+  }, [activeTab, currentRows.length, currentTrackConfig, editingRowKey, alert]);
+
+  // 편집 시작
+  const handleStartEdit = useCallback((rowKey: string) => {
+    const target = currentRows.find((r) => r.rowKey === rowKey);
+    if (!target) return;
+    target.snapshot = { ...target };
+    setEditingRowKey(rowKey);
+  }, [currentRows]);
+
+  // 편집 취소
+  const handleCancelEdit = useCallback(() => {
+    if (!editingRowKey) return;
+    setTrackRows((prev) => {
+      const list = prev[activeTab];
+      const target = list.find((r) => r.rowKey === editingRowKey);
+      if (target?.isNew && !target.aprvrUuid) {
+        return {
+          ...prev,
+          [activeTab]: list.filter((r) => r.rowKey !== editingRowKey),
+        };
+      }
+      if (target?.snapshot) {
+        return {
+          ...prev,
+          [activeTab]: list.map((r) =>
+            r.rowKey === editingRowKey ? { ...r.snapshot!, snapshot: undefined } : r,
+          ),
+        };
+      }
+      return prev;
+    });
+    setEditingRowKey(null);
+  }, [activeTab, editingRowKey]);
+
+  // 행 필드 수정
+  const handleUpdateRow = useCallback(
+    (rowKey: string, patch: Partial<ElaprAplnRow>) => {
+      setTrackRows((prev) => ({
+        ...prev,
+        [activeTab]: prev[activeTab].map((r) =>
+          r.rowKey === rowKey ? { ...r, ...patch, isDirty: true } : r,
+        ),
+      }));
+    },
+    [activeTab],
+  );
+
+  // 저장 (커밋)
+  const handleCommitEdit = useCallback((rowKey: string) => {
+    setTrackRows((prev) => ({
+      ...prev,
+      [activeTab]: prev[activeTab].map((r) =>
+        r.rowKey === rowKey ? { ...r, isDirty: false, isNew: false, snapshot: undefined } : r,
+      ),
+    }));
+    setEditingRowKey(null);
+  }, [activeTab]);
+
+  // 행 삭제
+  const handleDeleteRow = useCallback(
+    (rowKey: string) => {
+      setTrackRows((prev) => {
+        const nextList = prev[activeTab]
+          .filter((r) => r.rowKey !== rowKey)
+          .map((r, idx) => ({ ...r, atrzSeqNo: idx + 1 }));
+        return {
+          ...prev,
+          [activeTab]: nextList,
+        };
+      });
+      if (editingRowKey === rowKey) {
+        setEditingRowKey(null);
+      }
+    },
+    [activeTab, editingRowKey],
+  );
+
+  // 드래그 순서 재정렬
+  const handleDragEnd = useCallback(
+    (event: DragEndEvent) => {
+      const { active, over } = event;
+      if (!over || active.id === over.id) return;
+
+      setTrackRows((prev) => {
+        const items = [...prev[activeTab]];
+        const oldIndex = items.findIndex((r) => r.rowKey === active.id);
+        const newIndex = items.findIndex((r) => r.rowKey === over.id);
+        if (oldIndex === -1 || newIndex === -1) return prev;
+
+        const [moved] = items.splice(oldIndex, 1);
+        items.splice(newIndex, 0, moved);
+
+        const reordered = items.map((r, idx) => ({
+          ...r,
+          atrzSeqNo: idx + 1,
+          isDirty: true,
+        }));
+
+        return {
+          ...prev,
+          [activeTab]: reordered,
+        };
+      });
+    },
+    [activeTab],
+  );
+
+  // 결재자 선택 팝업 오픈
+  const handlePickApprover = useCallback((rowKey: string) => {
+    setPickingRowKey(rowKey);
+    setPickerOpen(true);
+  }, []);
+
+  // 결재자 선택 완료
+  const handleSelectReviewer = useCallback(
+    (reviewer: ReviewerOption) => {
+      if (!pickingRowKey) return;
+      handleUpdateRow(pickingRowKey, {
+        aprvrUuid: reviewer.uuid,
+        aprvrNm: reviewer.name,
+        aprvrDeptNm: reviewer.deptNm ?? currentTrackConfig.defaultDeptNm,
+      });
+      setPickingRowKey(null);
+      setPickerOpen(false);
+    },
+    [pickingRowKey, handleUpdateRow, currentTrackConfig.defaultDeptNm],
+  );
+
+  return (
+    <div className="flex flex-1 flex-col gap-4">
+      {/* 3트랙 탭 헤더 */}
+      <Tabs value={activeTab} onValueChange={(val) => setActiveTab(val as ForkJoinTrackKey)}>
+        <TabsList className="grid w-full grid-cols-3">
+          {TRACK_CONFIGS.map((track) => {
+            const count = trackRows[track.key].filter((r) => Boolean(r.aprvrUuid)).length;
+            const total = trackRows[track.key].length;
+            const isFull = count >= track.minCount;
+            return (
+              <TabsTrigger
+                key={track.key}
+                value={track.key}
+                className="flex items-center gap-2 py-3 text-lg font-semibold"
+              >
+                <span>{track.label}</span>
+                <span
+                  className={`rounded-full px-2 py-0.5 text-xs font-bold ${
+                    isFull
+                      ? "bg-emerald-100 text-emerald-700"
+                      : "bg-amber-100 text-amber-700"
+                  }`}
+                >
+                  {count}/{total}
+                </span>
+              </TabsTrigger>
+            );
+          })}
+        </TabsList>
+
+        {TRACK_CONFIGS.map((track) => (
+          <TabsContent key={track.key} value={track.key} className="mt-3">
+            <div className="mb-3 flex items-center justify-between rounded-lg bg-blue-50 p-3 text-blue-900">
+              <span className="text-sm font-medium">{track.guideText}</span>
+              <Button
+                type="button"
+                size="sm"
+                color="white"
+                onClick={handleAddRow}
+                disabled={Boolean(editingRowKey) || trackRows[track.key].length >= track.maxCount}
+              >
+                + 결재자 추가
+              </Button>
+            </div>
+
+            {/* 해당 탭 결재선 테이블 */}
+            <div className="rounded-lg border border-gray-200">
+              <DndContext
+                sensors={sensors}
+                collisionDetection={closestCenter}
+                onDragEnd={handleDragEnd}
+              >
+                <Table className="w-full">
+                  <colgroup>
+                    <col width="6%" />
+                    <col width="10%" />
+                    <col width="22%" />
+                    <col width="34%" />
+                    <col width="14%" />
+                    <col width="14%" />
+                  </colgroup>
+                  <TableHeader>
+                    <TableRow>
+                      <TableHead className="w-8" />
+                      <TableHead>순서</TableHead>
+                      <TableHead>결재구분</TableHead>
+                      <TableHead>결재자 (성명/부서)</TableHead>
+                      <TableHead>전결</TableHead>
+                      <TableHead>관리</TableHead>
+                    </TableRow>
+                  </TableHeader>
+                  <TableBody>
+                    <SortableContext
+                      items={trackRows[track.key].map((r) => r.rowKey)}
+                      strategy={verticalListSortingStrategy}
+                    >
+                      {trackRows[track.key].map((row, index) => (
+                        <SortableAplnPickerRow
+                          key={row.rowKey}
+                          row={row}
+                          displaySeqNo={index + 1}
+                          dragDisabled={Boolean(editingRowKey)}
+                          isEditing={editingRowKey === row.rowKey}
+                          isLocked={Boolean(editingRowKey && editingRowKey !== row.rowKey)}
+                          onStartEdit={() => handleStartEdit(row.rowKey)}
+                          onSave={() => handleCommitEdit(row.rowKey)}
+                          onCancel={handleCancelEdit}
+                          onDelete={() => handleDeleteRow(row.rowKey)}
+                          onChange={(patch) => handleUpdateRow(row.rowKey, patch)}
+                          onPickAprvr={() => handlePickApprover(row.rowKey)}
+                        />
+                      ))}
+                    </SortableContext>
+                  </TableBody>
+                </Table>
+              </DndContext>
+            </div>
+          </TabsContent>
+        ))}
+      </Tabs>
+
+      {/* 결재자 검색 팝업 */}
+      <AprvrPickerDialog
+        open={pickerOpen}
+        onOpenChange={setPickerOpen}
+        atrzSeComCd={pickingRow?.atrzSeComCd ?? ""}
+        onSelect={handleSelectReviewer}
+      />
+    </div>
+  );
+}
diff --git a/apps/as/src/entities/elapr/ui/elapr-tmplt-picker-dialog.tsx b/apps/as/src/entities/elapr/ui/elapr-tmplt-picker-dialog.tsx
index b61672ef8..b446c9336 100644
--- a/apps/as/src/entities/elapr/ui/elapr-tmplt-picker-dialog.tsx
+++ b/apps/as/src/entities/elapr/ui/elapr-tmplt-picker-dialog.tsx
@@ -24,6 +24,7 @@ import type { ElaprAplnRow } from "../model/elapr-apln-row-types";
 import type { ElaprTmplt } from "../model/elapr-tmplt-interface";
 
 import { ElaprAplnPickerGrid } from "./elapr-apln-picker-grid";
+import { ElaprForkJoinPickerGrid } from "./elapr-forkjoin-picker-grid";
 import { ElaprTmpltSelectTable } from "./elapr-tmplt-select-table";
 
 const PAGE_SIZE = 100;
@@ -37,6 +38,7 @@ interface ElaprTmpltPickerDialogProps {
   open: boolean;
   onClose: () => void;
   docSeComCd: string;
+  taskSeComCd?: string | null;
   onSelect?: (tmplt: ElaprTmplt) => void;
   onConfirm?: (payload: ElaprTmpltPickerConfirmPayload) => void;
 }
@@ -45,6 +47,7 @@ function ElaprTmpltPickerDialog({
   open,
   onClose,
   docSeComCd,
+  taskSeComCd,
   onSelect,
   onConfirm,
 }: ElaprTmpltPickerDialogProps) {
@@ -53,6 +56,8 @@ function ElaprTmpltPickerDialog({
   const [aplnRows, setAplnRows] = useState<ElaprAplnRow[]>([]);
   const [isEditingLocked, setIsEditingLocked] = useState(false);
 
+  const isForkJoinMode = docSeComCd === "FNRS" && taskSeComCd === "SF_SP";
+
   const tmpltQuery = useElaprTmpltPage({
     page: 0,
     size: PAGE_SIZE,
@@ -70,7 +75,9 @@ function ElaprTmpltPickerDialog({
 
   function handleSelectTmplt(tmplt: ElaprTmplt | null) {
     setSelectedTmplt(tmplt);
-    setAplnRows([]);
+    if (!isForkJoinMode) {
+      setAplnRows([]);
+    }
     setIsEditingLocked(false);
   }
 
@@ -84,11 +91,110 @@ function ElaprTmpltPickerDialog({
   }
 
   function handleConfirm() {
-    if (!selectedTmplt) {
+    if (!selectedTmplt && !isForkJoinMode) {
       alert("결재서식을 선택해 주세요.");
       return;
     }
 
+    if (isForkJoinMode) {
+      if (isEditingLocked) {
+        alert("편집 중인 결재선이 있습니다. 저장을 완료해 주세요.");
+        return;
+      }
+      const unassigned = aplnRows.find((r) => !r.aprvrUuid);
+      if (unassigned) {
+        alert("지정되지 않은 결재자가 있습니다. 모든 트랙의 결재자를 선택해 주세요.");
+        return;
+      }
+
+      const pipeRows = aplnRows
+        .filter((r) => r.branchSeCd === "PIPE")
+        .sort((a, b) => Number(a.atrzSeqNo ?? 0) - Number(b.atrzSeqNo ?? 0));
+      const facRows = aplnRows
+        .filter((r) => r.branchSeCd === "FACILITY")
+        .sort((a, b) => Number(a.atrzSeqNo ?? 0) - Number(b.atrzSeqNo ?? 0));
+      const aggRows = aplnRows
+        .filter((r) => r.branchSeCd === "TOTAL_AGG")
+        .sort((a, b) => Number(a.atrzSeqNo ?? 0) - Number(b.atrzSeqNo ?? 0));
+
+      // 1. 부서별 인원 수 (각각 최소 2명 이상, 최대 5명)
+      if (pipeRows.length < 2 || pipeRows.length > 5) {
+        alert("하수관로 검토 결재선에 결재자를 최소 2명 이상(최대 5명) 지정해 주세요.");
+        return;
+      }
+      if (facRows.length < 2 || facRows.length > 5) {
+        alert("하수처리시설 검토 결재선에 결재자를 최소 2명 이상(최대 5명) 지정해 주세요.");
+        return;
+      }
+      if (aggRows.length < 2 || aggRows.length > 5) {
+        alert("정책부 종합병합 결재선에 결재자를 최소 2명 이상(최대 5명) 지정해 주세요.");
+        return;
+      }
+
+      // 2. 정책부 1순번 병합자(ATRZ04) 지정 검증
+      if (aggRows[0]?.atrzSeComCd !== "ATRZ04") {
+        alert("[정책부] 첫 번째 결재구분은 '병합(ATRZ04)'이어야 합니다.");
+        return;
+      }
+
+      // 3. 정책부 최종 결재구분(ATRZ99) 지정 검증
+      const lastAggRow = aggRows[aggRows.length - 1];
+      if (lastAggRow?.atrzSeComCd !== "ATRZ99") {
+        alert("[정책부] 최종 결재구분은 '최종승인(ATRZ99)'이어야 합니다.");
+        return;
+      }
+
+      // 4. 동일 브랜치 내 중복 결재자 검증
+      const checkDuplicateInBranch = (rows: typeof pipeRows, branchName: string) => {
+        const uuids = rows.map((r) => r.aprvrUuid).filter(Boolean);
+        const uniqueUuids = new Set(uuids);
+        if (uniqueUuids.size !== uuids.length) {
+          const dupRow = rows.find((r, i) => uuids.indexOf(r.aprvrUuid) !== i);
+          return `[${dupRow?.aprvrNm || "결재자"}] 결재자가 ${branchName} 결재선에 중복 지정되었습니다.`;
+        }
+        return null;
+      };
+
+      const pipeDup = checkDuplicateInBranch(pipeRows, "관로부");
+      if (pipeDup) {
+        alert(pipeDup);
+        return;
+      }
+      const facDup = checkDuplicateInBranch(facRows, "시설부");
+      if (facDup) {
+        alert(facDup);
+        return;
+      }
+      const aggDup = checkDuplicateInBranch(aggRows, "정책부");
+      if (aggDup) {
+        alert(aggDup);
+        return;
+      }
+
+      const defaultTmplt: ElaprTmplt = selectedTmplt ?? {
+        elaprTmpltId: "TMPLT_SF_SP_FORKJOIN",
+        elaprTmpltNm: "[복합] 시설+관로 병렬 결재선 (6인)",
+        docSeComCd: "FNRS",
+      };
+
+      const payload: ElaprTmpltPickerConfirmPayload = {
+        tmplt: defaultTmplt,
+        aplnRows,
+      };
+
+      if (onConfirm) {
+        onConfirm(payload);
+      } else {
+        onSelect?.(defaultTmplt);
+      }
+
+      setSelectedTmplt(null);
+      setAplnRows([]);
+      setIsEditingLocked(false);
+      onClose();
+      return;
+    }
+
     const rowsError = validateAllRowsForSave(aplnRows, isEditingLocked);
     if (rowsError) {
       alert(rowsError);
@@ -116,14 +222,14 @@ function ElaprTmpltPickerDialog({
     const visibleRows = getVisibleRows(aplnRows);
 
     const payload: ElaprTmpltPickerConfirmPayload = {
-      tmplt: selectedTmplt,
+      tmplt: selectedTmplt!,
       aplnRows: visibleRows,
     };
 
     if (onConfirm) {
       onConfirm(payload);
     } else {
-      onSelect?.(selectedTmplt);
+      onSelect?.(selectedTmplt!);
     }
 
     setSelectedTmplt(null);
@@ -134,9 +240,16 @@ function ElaprTmpltPickerDialog({
 
   return (
     <Dialog open={open} onOpenChange={handleOpenChange}>
-      <DialogContent className="max-w-[120rem]" aria-describedby={undefined}>
+      <DialogContent
+        className={isForkJoinMode ? "max-w-[140rem]" : "max-w-[120rem]"}
+        aria-describedby={undefined}
+      >
         <DialogHeader>
-          <DialogTitle>결재선 선택</DialogTitle>
+          <DialogTitle>
+            {isForkJoinMode
+              ? "결재선 선택 (복합사업 처리시설+하수관로 Fork-Join 3트랙)"
+              : "결재선 선택"}
+          </DialogTitle>
         </DialogHeader>
 
         <div className="flex gap-6">
@@ -145,11 +258,19 @@ function ElaprTmpltPickerDialog({
             selectedTmpltId={selectedTmplt?.elaprTmpltId ?? null}
             onSelectTmplt={handleSelectTmplt}
           />
-          <ElaprAplnPickerGrid
-            elaprTmpltId={selectedTmplt?.elaprTmpltId ?? null}
-            onRowsChange={handleRowsChange}
-            onEditingLockedChange={handleEditingLockedChange}
-          />
+
+          {isForkJoinMode ? (
+            <ElaprForkJoinPickerGrid
+              onRowsChange={handleRowsChange}
+              onEditingLockedChange={handleEditingLockedChange}
+            />
+          ) : (
+            <ElaprAplnPickerGrid
+              elaprTmpltId={selectedTmplt?.elaprTmpltId ?? null}
+              onRowsChange={handleRowsChange}
+              onEditingLockedChange={handleEditingLockedChange}
+            />
+          )}
         </div>
 
         <DialogFooter>
@@ -158,7 +279,7 @@ function ElaprTmpltPickerDialog({
           </Button>
           <Button
             type="button"
-            disabled={!selectedTmplt || isEditingLocked}
+            disabled={(!selectedTmplt && !isForkJoinMode) || isEditingLocked}
             onClick={handleConfirm}
           >
             확인
diff --git a/apps/as/src/pages/fnrs-cnsltn/lib/fnrs-cnsltn-regist-schema.ts b/apps/as/src/pages/fnrs-cnsltn/lib/fnrs-cnsltn-regist-schema.ts
index 402835a64..0b1073a98 100644
--- a/apps/as/src/pages/fnrs-cnsltn/lib/fnrs-cnsltn-regist-schema.ts
+++ b/apps/as/src/pages/fnrs-cnsltn/lib/fnrs-cnsltn-regist-schema.ts
@@ -98,3 +98,27 @@ export function parseTaskSeComCdFromApi(taskSeComCd?: string | null): string[] {
   if (!taskSeComCd) return [];
   return taskSeComCd.split(",").filter(Boolean);
 }
+
+/**
+ * 재원업무협의 저장 시 코드가 "SF,SP", "SP,SF" 등의 복수 코드로 분리 저장된 경우,
+ * 전자결재 복합병렬결재(Fork-Join) 화면 및 프로세스 규격에 맞춰 "SF_SP"로 정규화합니다.
+ */
+export function normalizeTaskSeComCdForElapr(taskSeComCd?: string | null): string {
+  if (!taskSeComCd) return "";
+  const trimmed = taskSeComCd.trim();
+  if (trimmed === "SF_SP") return "SF_SP";
+
+  const codes = trimmed.split(",").map((c) => c.trim()).filter(Boolean);
+  if (codes.includes("SF") && codes.includes("SP")) {
+    return "SF_SP";
+  }
+  return trimmed;
+}
+
+/**
+ * 전자결재 복합병렬결재(Fork-Join) 대상 업무 여부 판단
+ */
+export function isForkJoinTask(taskSeComCd?: string | null): boolean {
+  return normalizeTaskSeComCdForElapr(taskSeComCd) === "SF_SP";
+}
+
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/components/floating-action-buttons.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/components/floating-action-buttons.tsx
index cba9b1b19..28f23264d 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/components/floating-action-buttons.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/components/floating-action-buttons.tsx
@@ -63,6 +63,10 @@ import {
   buildTechReviewReplyPayload,
   toSplmntDmndSaveItem,
 } from "../../lib/save-payload-utils";
+import {
+  isForkJoinTask,
+  normalizeTaskSeComCdForElapr,
+} from "../../lib/fnrs-cnsltn-regist-schema";
 import { type ChecklistFormState } from "../../model/view-types";
 import type { TechReviewOpinionSectionHandle } from "../sections/tech-review-opinion-section";
 
@@ -179,6 +183,17 @@ function FloatingActionButtons({
     elaprPrgrsForPending,
     userInfo?.userUnqId,
   );
+  const userPendingPrgrs = elaprPrgrsForPending.find(
+    (row) =>
+      row.aprvrUuid === userInfo?.userUnqId &&
+      row.atrzPrgrsSttsComCd === "ATRZ_PRGRS_002",
+  );
+  const userPendingBranchSeCd = (userPendingPrgrs as { branchSeCd?: string } | undefined)?.branchSeCd;
+  const userPendingAtrzSeComCd = userPendingPrgrs?.atrzSeComCd;
+
+  const normalizedTaskSeComCd = normalizeTaskSeComCdForElapr(data.detDto?.taskSeComCd);
+  const isForkJoin = isForkJoinTask(data.detDto?.taskSeComCd);
+
   const viewOnlyPwrkCnsltnDoc =
     prgrsSttsComCd === "SL" ||
     (prgrsSttsComCd === "RB" && dtlInstCd !== "ROLE_USER05") ||
@@ -449,6 +464,9 @@ function FloatingActionButtons({
       elaprDocNo: docNo,
       dmndTtl: data.detDto?.bizNm ?? "",
       dmndCn: data.detDto?.bizCn ?? "",
+      taskSeComCd: normalizedTaskSeComCd || undefined,
+      forkJoinSeCd: isForkJoin ? "FORK_JOIN" : "NONE",
+      crntStageNo: isForkJoin ? 2 : 1,
       elaprCycl: 1,
       docPrgrsSttsComCd: "AC",
       elaprPrgrsSttsList: buildElaprPrgrsSttsListFromAplnRows(aplnRows),
@@ -468,6 +486,9 @@ function FloatingActionButtons({
       elaprDocNo: docNo,
       dmndTtl: data.detDto?.bizNm ?? "",
       dmndCn: data.detDto?.bizCn ?? "",
+      taskSeComCd: normalizedTaskSeComCd || undefined,
+      forkJoinSeCd: isForkJoin ? "FORK_JOIN" : "NONE",
+      crntStageNo: isForkJoin ? 2 : 1,
       elaprCycl: 2,
       docPrgrsSttsComCd: "RK",
       elaprPrgrsSttsList: buildElaprPrgrsSttsListFromAplnRows(aplnRows),
@@ -776,12 +797,29 @@ function FloatingActionButtons({
               )}
               {shouldShowButton(FNRS_CNSLTN_VIEW_BUTTON_ACTION.atrzAprv) && (
                 <Button onClick={() => setActiveDialog("elaprApproval")} disabled={isBusy}>
-                  결재(승인)
+                  {isForkJoin
+                    ? userPendingBranchSeCd === "TOTAL_AGG" && userPendingAtrzSeComCd === "ATRZ04"
+                      ? "결재 (병합)"
+                      : "결재 (검토)"
+                    : "결재(승인)"}
                 </Button>
               )}
               {shouldShowButton(FNRS_CNSLTN_VIEW_BUTTON_ACTION.atrzRply) && (
-                <Button onClick={() => setActiveDialog("elaprApproval")} disabled={isBusy}>
-                  결재(회신)
+                <Button
+                  color={
+                    isForkJoin &&
+                    userPendingBranchSeCd !== "TOTAL_AGG"
+                      ? "green"
+                      : undefined
+                  }
+                  onClick={() => setActiveDialog("elaprApproval")}
+                  disabled={isBusy}
+                >
+                  {isForkJoin
+                    ? userPendingBranchSeCd === "TOTAL_AGG"
+                      ? "결재 (환경청에 최종회신)"
+                      : "결재 (병합에 회신)"
+                    : "결재(회신)"}
                 </Button>
               )}
             </>
@@ -795,6 +833,7 @@ function FloatingActionButtons({
             open={activeDialog === "elaprTmplt"}
             onClose={() => setActiveDialog(null)}
             docSeComCd={docSeComCd}
+            taskSeComCd={normalizedTaskSeComCd || undefined}
             onConfirm={handleElaprTmpltConfirm}
           />
 
@@ -827,6 +866,7 @@ function FloatingActionButtons({
             elaprDocNo={data.detDto?.fnrsCnsltnDocNo ?? fnrsCnsltnDocNo}
             currentUserUuid={userInfo?.userUnqId ?? ""}
             elaprCycl={prgrsSttsComCd === "RK" ? 2 : undefined}
+            taskSeComCd={normalizedTaskSeComCd || undefined}
             onSuccess={() => {
               queryClient.invalidateQueries({
                 queryKey: fnrsCnsltnKeys.detail(fnrsCnsltnDocNo),
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-view-page.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-view-page.tsx
index b87ead75a..8c7664398 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-view-page.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-view-page.tsx
@@ -21,6 +21,7 @@ import {
 } from "../lib/ai-pending-utils";
 import { needsRoleUser01AtrzResolve } from "../lib/button-config";
 import { getEditableReviewStep } from "../lib/review-step-utils";
+import { normalizeTaskSeComCdForElapr } from "../lib/fnrs-cnsltn-regist-schema";
 import { EMPTY_CKLST_RESULT_LIST, useChecklistFormState } from "../lib/use-checklist-form-state";
 import { PROGRESS_STATUS_COLUMNS } from "../model/columns";
 
@@ -130,7 +131,10 @@ function FnrsViewPage({ id }: FnrsViewPageProps) {
           />
           <BasicInfoSection det={detDto} />
           <ContactInfoSection det={detDto} />
-          <ElaprDocPrgrsStatus elaprDocNo={detDto.fnrsCnsltnDocNo} />
+          <ElaprDocPrgrsStatus
+            elaprDocNo={detDto.fnrsCnsltnDocNo}
+            taskSeComCd={normalizeTaskSeComCdForElapr(detDto.taskSeComCd)}
+          />
           <BusinessScaleSection bizSclList={bizSclList} />
           <BusinessCostSection bizCstList={bizCstList} />
           <FnrsSharSection fnrsSharList={fnrsSharList} />
diff --git a/apps/as/src/pages/rvw-mnpw-mng/model/rvw-mnpw-block-config.ts b/apps/as/src/pages/rvw-mnpw-mng/model/rvw-mnpw-block-config.ts
index 5a6c681e1..f32534d28 100644
--- a/apps/as/src/pages/rvw-mnpw-mng/model/rvw-mnpw-block-config.ts
+++ b/apps/as/src/pages/rvw-mnpw-mng/model/rvw-mnpw-block-config.ts
@@ -9,6 +9,7 @@ export const RVW_MNPW_BLOCKS: RvwMnpwBlockConfig[] = [
   { id: "receiver", title: "접수", atrzSeComCd: "ATRZ01" },
   { id: "reviewer", title: "검토", atrzSeComCd: "ATRZ02" },
   { id: "approver", title: "승인", atrzSeComCd: "ATRZ03" },
+  { id: "merger", title: "병합", atrzSeComCd: "ATRZ04" },
   { id: "final", title: "최종승인", atrzSeComCd: "ATRZ99" },
 ];
 
diff --git a/apps/as/src/pages/rvw-mnpw-mng/ui/rvw-mnpw-asmt-panel.tsx b/apps/as/src/pages/rvw-mnpw-mng/ui/rvw-mnpw-asmt-panel.tsx
index f9335e63e..ce1ddf2f8 100644
--- a/apps/as/src/pages/rvw-mnpw-mng/ui/rvw-mnpw-asmt-panel.tsx
+++ b/apps/as/src/pages/rvw-mnpw-mng/ui/rvw-mnpw-asmt-panel.tsx
@@ -40,6 +40,7 @@ function RvwMnpwAsmtPanel({ selectedPerson }: RvwMnpwAsmtPanelProps) {
             <Skeleton className="h-[8rem]" />
             <Skeleton className="h-[8rem]" />
             <Skeleton className="h-[8rem]" />
+            <Skeleton className="h-[8rem]" />
           </div>
         ) : pageQuery.isError ? (
           <p className="py-8 text-center text-lg text-muted-foreground">