diff --git a/apps/as/src/entities/dcrag-to/model/dcrag-to-payload-schema.ts b/apps/as/src/entities/dcrag-to/model/dcrag-to-payload-schema.ts
index 7ad5827c2..954b1f0af 100644
--- a/apps/as/src/entities/dcrag-to/model/dcrag-to-payload-schema.ts
+++ b/apps/as/src/entities/dcrag-to/model/dcrag-to-payload-schema.ts
@@ -2,35 +2,35 @@ import { z } from "zod";
 
 /** 백엔드 DcRagFileInfoDto */
 export const dcRagFileInfoSchema = z.object({
-  fileId: z.string().optional(),
-  fileGroupId: z.string().optional(),
-  fileName: z.string().optional(),
-  physicalPath: z.string().optional(),
-  downloadUrl: z.string().optional(),
-  fileSize: z.number().optional(),
-  esntlAtchFileId: z.string().optional(),
-  esntlAtchFileNm: z.string().optional(),
+  fileId: z.string().nullish(),
+  fileGroupId: z.string().nullish(),
+  fileName: z.string().nullish(),
+  physicalPath: z.string().nullish(),
+  downloadUrl: z.string().nullish(),
+  fileSize: z.number().nullish(),
+  esntlAtchFileId: z.string().nullish(),
+  esntlAtchFileNm: z.string().nullish(),
 });
 
 /** 백엔드 DcRagDocumentTransferRequestDto */
 export const dcRagDocumentTransferRequestSchema = z.object({
   fnrsCnsltnDocNo: z.string(),
-  taskSeComCd: z.string().optional(),
-  taskSeCdNm: z.string().optional(),
-  essentialFiles: z.array(dcRagFileInfoSchema).optional(),
-  etcFiles: z.array(dcRagFileInfoSchema).optional(),
-  callbackUrl: z.string().optional(),
+  taskSeComCd: z.string().nullish(),
+  taskSeCdNm: z.string().nullish(),
+  essentialFiles: z.array(dcRagFileInfoSchema).nullish(),
+  etcFiles: z.array(dcRagFileInfoSchema).nullish(),
+  callbackUrl: z.string().nullish(),
 });
 
 /** 백엔드 DcRagDraftGenerateRequestDto */
 export const dcRagDraftGenerateRequestSchema = z.object({
   fnrsCnsltnDocNo: z.string(),
   pwrkCnsltnDocNo: z.string(),
-  crtDmndUuid: z.string().optional(),
-  essentialFiles: z.array(dcRagFileInfoSchema).optional(),
-  etcFiles: z.array(dcRagFileInfoSchema).optional(),
-  rqstrUuid: z.string().optional(),
-  callbackUrl: z.string().optional(),
+  crtDmndUuid: z.string().nullish(),
+  essentialFiles: z.array(dcRagFileInfoSchema).nullish(),
+  etcFiles: z.array(dcRagFileInfoSchema).nullish(),
+  rqstrUuid: z.string().nullish(),
+  callbackUrl: z.string().nullish(),
 });
 
 /** 백엔드 DcRagCostVerifyRequestDto */
diff --git a/apps/as/src/entities/design-cnstn/model/design-cnstn-apply-payload-schema.ts b/apps/as/src/entities/design-cnstn/model/design-cnstn-apply-payload-schema.ts
index 5b6c76b10..b4df4790b 100644
--- a/apps/as/src/entities/design-cnstn/model/design-cnstn-apply-payload-schema.ts
+++ b/apps/as/src/entities/design-cnstn/model/design-cnstn-apply-payload-schema.ts
@@ -2,68 +2,68 @@ import { z } from "zod";
 
 /** 백엔드 DesignCnstnMngSaveRequestDto */
 export const designCnstnMngSaveSchema = z.object({
-  designCnstnDocNo: z.string().optional(),
-  admdstCd: z.string().optional(),
-  envoSeComCd: z.string().optional(),
-  taskSeComCd: z.string().optional(),
-  bizNm: z.string().optional(),
-  bizBgngYr: z.string().optional(),
-  bizEndYr: z.string().optional(),
-  bizCn: z.string().optional(),
-  aplcntNm: z.string().optional(),
-  aplcntMblTelno: z.string().optional(),
-  aplcntOgdpNm: z.string().optional(),
-  aplcntEmlAddr: z.string().optional(),
-  dsgnrNm: z.string().optional(),
-  dsgnrTelno: z.string().optional(),
-  dsgnrOgdpNm: z.string().optional(),
-  dsgnrEmlAddr: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
-  prgrsSttsComCd: z.string().optional(),
+  designCnstnDocNo: z.string().nullish(),
+  admdstCd: z.string().nullish(),
+  envoSeComCd: z.string().nullish(),
+  taskSeComCd: z.string().nullish(),
+  bizNm: z.string().nullish(),
+  bizBgngYr: z.string().nullish(),
+  bizEndYr: z.string().nullish(),
+  bizCn: z.string().nullish(),
+  aplcntNm: z.string().nullish(),
+  aplcntMblTelno: z.string().nullish(),
+  aplcntOgdpNm: z.string().nullish(),
+  aplcntEmlAddr: z.string().nullish(),
+  dsgnrNm: z.string().nullish(),
+  dsgnrTelno: z.string().nullish(),
+  dsgnrOgdpNm: z.string().nullish(),
+  dsgnrEmlAddr: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
+  prgrsSttsComCd: z.string().nullish(),
 });
 
 /** 백엔드 DesignCnstnApplySaveRequestDto.BzScaleItem */
 export const designCnstnBzScaleItemSchema = z.object({
-  cnstpSeCd: z.string().optional(),
-  bscPl: z.number().optional(),
-  budgetReflct: z.number().optional(),
-  thtiDsgn: z.number().optional(),
+  cnstpSeCd: z.string().nullish(),
+  bscPl: z.number().nullish(),
+  budgetReflct: z.number().nullish(),
+  thtiDsgn: z.number().nullish(),
 });
 
 /** 백엔드 DesignCnstnApplySaveRequestDto.BizCstItem */
 export const designCnstnBizCstItemSchema = z.object({
-  acntgSeCd: z.string().optional(),
-  bscPlanAmt: z.number().optional(),
-  bgtRfltAmt: z.number().optional(),
-  tstmDesignAmt: z.number().optional(),
+  acntgSeCd: z.string().nullish(),
+  bscPlanAmt: z.number().nullish(),
+  bgtRfltAmt: z.number().nullish(),
+  tstmDesignAmt: z.number().nullish(),
 });
 
 /** 백엔드 DesignCnstnApplySaveRequestDto.EsntlAtchFileItem */
 export const designCnstnEsntlAtchFileItemSchema = z.object({
-  esntlAtchFileId: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
+  esntlAtchFileId: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
 });
 
 /** 백엔드 DesignCnstnRvwOpnnSaveRequestDto */
 export const designCnstnRvwOpnnSaveSchema = z.object({
   designCnstnDocNo: z.string(),
-  rvwOpnnSn: z.number().optional(),
-  opnrSeComCd: z.string().optional(),
-  opnrNm: z.string().optional(),
-  rvwRsltCn: z.string().optional(),
-  rvwRsltAnmlyYn: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
+  rvwOpnnSn: z.number().nullish(),
+  opnrSeComCd: z.string().nullish(),
+  opnrNm: z.string().nullish(),
+  rvwRsltCn: z.string().nullish(),
+  rvwRsltAnmlyYn: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
 });
 
 /** 백엔드 DesignCnstnApplySaveRequestDto */
 export const designCnstnApplySaveSchema = z.object({
-  techReViewSaveCd: z.string().optional(),
-  rvwStpCd: z.string().optional(),
+  techReViewSaveCd: z.string().nullish(),
+  rvwStpCd: z.string().nullish(),
   designCnstnMng: designCnstnMngSaveSchema,
-  bzScaleList: z.array(designCnstnBzScaleItemSchema).optional(),
-  bizCstList: z.array(designCnstnBizCstItemSchema).optional(),
-  esntlAtchFileList: z.array(designCnstnEsntlAtchFileItemSchema).optional(),
-  rvwOpnnList: z.array(designCnstnRvwOpnnSaveSchema).optional(),
+  bzScaleList: z.array(designCnstnBzScaleItemSchema).nullish(),
+  bizCstList: z.array(designCnstnBizCstItemSchema).nullish(),
+  esntlAtchFileList: z.array(designCnstnEsntlAtchFileItemSchema).nullish(),
+  rvwOpnnList: z.array(designCnstnRvwOpnnSaveSchema).nullish(),
 });
 
 export type DesignCnstnMngSaveRequestDto = z.infer<typeof designCnstnMngSaveSchema>;
diff --git a/apps/as/src/entities/elapr/index.ts b/apps/as/src/entities/elapr/index.ts
index 777245649..2210dfc17 100644
--- a/apps/as/src/entities/elapr/index.ts
+++ b/apps/as/src/entities/elapr/index.ts
@@ -41,6 +41,7 @@ export {
   validateAllRowsForSave,
   validateAplnRow,
   validateAtrzOrder,
+  validateUniqueAtrzAprvr,
   validateUniqueSeqNo,
 } from "./lib/apln-validators";
 export {
diff --git a/apps/as/src/entities/elapr/lib/apln-validators.ts b/apps/as/src/entities/elapr/lib/apln-validators.ts
index 8b75b4279..8ff1d997e 100644
--- a/apps/as/src/entities/elapr/lib/apln-validators.ts
+++ b/apps/as/src/entities/elapr/lib/apln-validators.ts
@@ -76,3 +76,16 @@ export function validateUniqueSeqNo(rows: ElaprAplnRow[]): string | null {
   }
   return null;
 }
+
+export function validateUniqueAtrzAprvr(rows: ElaprAplnRow[]): string | null {
+  const pairSet = new Set<string>();
+  for (const row of getVisibleRows(rows)) {
+    const atrz = row.atrzSeComCd?.trim();
+    const aprvr = row.aprvrUuid?.trim();
+    if (!atrz || !aprvr) continue;
+    const key = `${atrz}::${aprvr}`;
+    if (pairSet.has(key)) return "동일한 결재구분과 결재자가 중복됩니다.";
+    pairSet.add(key);
+  }
+  return null;
+}
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 5d05fd04b..3b0b0d7e5 100644
--- a/apps/as/src/entities/elapr/model/elapr-dmnd-interface.ts
+++ b/apps/as/src/entities/elapr/model/elapr-dmnd-interface.ts
@@ -7,8 +7,8 @@ export interface ElaprDmndSaveRequestDto {
   elaprDocNo: string;
   dmndTtl: string;
   dmndCn: string;
-  elaprCycl?: number;
-  docPrgrsSttsComCd?: string;
+  elaprCycl?: number | null;
+  docPrgrsSttsComCd?: string | null;
   elaprPrgrsSttsList?: ElaprPrgrsSttsSaveRequestDto[];
 }
 
diff --git a/apps/as/src/entities/elapr/ui/elapr-apln-picker-grid.tsx b/apps/as/src/entities/elapr/ui/elapr-apln-picker-grid.tsx
index c8c84e1c6..f5a065ff6 100644
--- a/apps/as/src/entities/elapr/ui/elapr-apln-picker-grid.tsx
+++ b/apps/as/src/entities/elapr/ui/elapr-apln-picker-grid.tsx
@@ -17,7 +17,7 @@ import {
 } from "@common/components";
 
 import { useElaprAplnPage } from "../api/queries";
-import { validateAplnRow } from "../lib/apln-validators";
+import { validateAplnRow, validateUniqueAtrzAprvr } from "../lib/apln-validators";
 import { useAplnRows } from "../lib/use-apln-rows";
 import { useDndSensors } from "../lib/use-dnd-sensors";
 import type { ElaprApln } from "../model/elapr-apln-interface";
@@ -110,6 +110,12 @@ function ElaprAplnPickerGrid({
       return;
     }
 
+    const duplicateError = validateUniqueAtrzAprvr(rows);
+    if (duplicateError) {
+      alert(duplicateError);
+      return;
+    }
+
     commitEdit(row.rowKey);
   }
 
diff --git a/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-picker-dialog.tsx b/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-picker-dialog.tsx
index 0d9b5161e..ec235ec5e 100644
--- a/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-picker-dialog.tsx
+++ b/apps/as/src/entities/elapr/ui/elapr-doc-prgrs-picker-dialog.tsx
@@ -17,6 +17,7 @@ import {
   getVisibleRows,
   validateAllRowsForSave,
   validateAtrzOrder,
+  validateUniqueAtrzAprvr,
   validateUniqueSeqNo,
 } from "../lib/apln-validators";
 import { mapDocPrgrsToAplnRows } from "../lib/doc-prgrs-to-apln-rows";
@@ -90,6 +91,12 @@ function ElaprDocPrgrsPickerDialog({
       return;
     }
 
+    const atrzAprvrError = validateUniqueAtrzAprvr(aplnRows);
+    if (atrzAprvrError) {
+      alert(atrzAprvrError);
+      return;
+    }
+
     const visibleRows = getVisibleRows(aplnRows);
     onConfirm?.({ aplnRows: visibleRows });
 
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 aa70932e9..b61672ef8 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
@@ -17,6 +17,7 @@ import {
   getVisibleRows,
   validateAllRowsForSave,
   validateAtrzOrder,
+  validateUniqueAtrzAprvr,
   validateUniqueSeqNo,
 } from "../lib/apln-validators";
 import type { ElaprAplnRow } from "../model/elapr-apln-row-types";
@@ -106,6 +107,12 @@ function ElaprTmpltPickerDialog({
       return;
     }
 
+    const atrzAprvrError = validateUniqueAtrzAprvr(aplnRows);
+    if (atrzAprvrError) {
+      alert(atrzAprvrError);
+      return;
+    }
+
     const visibleRows = getVisibleRows(aplnRows);
 
     const payload: ElaprTmpltPickerConfirmPayload = {
diff --git a/apps/as/src/entities/fnrs-cnsltn/model/fnrs-cnsltn-apply-payload-schema.ts b/apps/as/src/entities/fnrs-cnsltn/model/fnrs-cnsltn-apply-payload-schema.ts
index 709ae9012..ee1041e17 100644
--- a/apps/as/src/entities/fnrs-cnsltn/model/fnrs-cnsltn-apply-payload-schema.ts
+++ b/apps/as/src/entities/fnrs-cnsltn/model/fnrs-cnsltn-apply-payload-schema.ts
@@ -2,52 +2,52 @@ import { z } from "zod";
 
 /** 백엔드 FnrsCnsltnMngSaveRequestDto */
 export const fnrsCnsltnMngSaveSchema = z.object({
-  fnrsCnsltnDocNo: z.string().optional(),
-  admdstCd: z.string().optional(),
-  envoSeComCd: z.string().optional(),
-  taskSeComCd: z.string().optional(),
-  cfmtnBgtBizNo: z.string().optional(),
-  bgtAplyYr: z.string().optional(),
-  bizNm: z.string().optional(),
-  bizBgngYr: z.string().optional(),
-  bizEndYr: z.string().optional(),
-  bizCn: z.string().optional(),
-  aplcntNm: z.string().optional(),
-  aplcntMblTelno: z.string().optional(),
-  aplcntOgdpNm: z.string().optional(),
-  aplcntEmlAddr: z.string().optional(),
-  dsgnrNm: z.string().optional(),
-  dsgnrTelno: z.string().optional(),
-  dsgnrOgdpNm: z.string().optional(),
-  dsgnrEmlAddr: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
-  sharAtchFileGroupId: z.string().optional(),
-  prgrsSttsComCd: z.string().optional(),
-  rtlztnFcltSeComCd: z.string().optional(),
-  rtlztnUsgSeComCd: z.string().optional(),
+  fnrsCnsltnDocNo: z.string().nullish(),
+  admdstCd: z.string().nullish(),
+  envoSeComCd: z.string().nullish(),
+  taskSeComCd: z.string().nullish(),
+  cfmtnBgtBizNo: z.string().nullish(),
+  bgtAplyYr: z.string().nullish(),
+  bizNm: z.string().nullish(),
+  bizBgngYr: z.string().nullish(),
+  bizEndYr: z.string().nullish(),
+  bizCn: z.string().nullish(),
+  aplcntNm: z.string().nullish(),
+  aplcntMblTelno: z.string().nullish(),
+  aplcntOgdpNm: z.string().nullish(),
+  aplcntEmlAddr: z.string().nullish(),
+  dsgnrNm: z.string().nullish(),
+  dsgnrTelno: z.string().nullish(),
+  dsgnrOgdpNm: z.string().nullish(),
+  dsgnrEmlAddr: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
+  sharAtchFileGroupId: z.string().nullish(),
+  prgrsSttsComCd: z.string().nullish(),
+  rtlztnFcltSeComCd: z.string().nullish(),
+  rtlztnUsgSeComCd: z.string().nullish(),
 });
 
 /** 백엔드 FnrsCnsltnApplySaveRequestDto.BzScaleItem */
 export const fnrsCnsltnBzScaleItemSchema = z.object({
-  cnstpSeCd: z.string().optional(),
-  bscPl: z.number().optional(),
-  budgetReflct: z.number().optional(),
-  thtiDsgn: z.number().optional(),
+  cnstpSeCd: z.string().nullish(),
+  bscPl: z.number().nullish(),
+  budgetReflct: z.number().nullish(),
+  thtiDsgn: z.number().nullish(),
 });
 
 /** 백엔드 FnrsCnsltnApplySaveRequestDto.BizCstItem */
 export const fnrsCnsltnBizCstItemSchema = z.object({
-  acntgSeCd: z.string().optional(),
-  bscPlanAmt: z.number().optional(),
-  bgtRfltAmt: z.number().optional(),
-  tstmDesignAmt: z.number().optional(),
+  acntgSeCd: z.string().nullish(),
+  bscPlanAmt: z.number().nullish(),
+  bgtRfltAmt: z.number().nullish(),
+  tstmDesignAmt: z.number().nullish(),
 });
 
 /** 백엔드 FnrsCnsltnApplySaveRequestDto.CklstResultItem */
 export const fnrsCnsltnCklstResultItemSchema = z.object({
-  cklstRvwSn: z.number().optional(),
-  cklstArtclSn: z.number().optional(),
-  cklstSn: z.number().optional(),
+  cklstRvwSn: z.number().nullish(),
+  cklstArtclSn: z.number().nullish(),
+  cklstSn: z.number().nullish(),
   rvwStpComCd: z.string().nullish(),
   selected: z.enum(["Y", "N"]).nullish(),
   picRvwCn: z.string().nullish(),
@@ -55,58 +55,58 @@ export const fnrsCnsltnCklstResultItemSchema = z.object({
 
 /** 백엔드 FnrsCnsltnApplySaveRequestDto.EsntlAtchFileItem */
 export const fnrsCnsltnEsntlAtchFileItemSchema = z.object({
-  esntlAtchFileId: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
+  esntlAtchFileId: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
 });
 
 /** 백엔드 FnrsCnsltnApplySaveRequestDto.FnrsCnsltnSplmntDmndItem */
 export const fnrsCnsltnSplmntDmndItemSchema = z.object({
   splmntDmndSn: z.number().nullish(),
   splmntArtclComCd: z.string().nullish(),
-  splmntDmndCn: z.string().optional(),
-  splmntDmndDt: z.string().optional(),
-  splmntDmndAtchFileGroupId: z.string().optional(),
-  splmntCn: z.string().optional(),
-  splmntPicNm: z.string().optional(),
-  splmntCmptnDt: z.string().optional(),
-  splmntAtchFileGroupId: z.string().optional(),
-  cmptnYn: z.string().optional(),
+  splmntDmndCn: z.string().nullish(),
+  splmntDmndDt: z.string().nullish(),
+  splmntDmndAtchFileGroupId: z.string().nullish(),
+  splmntCn: z.string().nullish(),
+  splmntPicNm: z.string().nullish(),
+  splmntCmptnDt: z.string().nullish(),
+  splmntAtchFileGroupId: z.string().nullish(),
+  cmptnYn: z.string().nullish(),
 });
 
 /** 백엔드 FnrsCnsltnRvwOpnnSaveRequestDto */
 export const fnrsCnsltnRvwOpnnSaveSchema = z.object({
   fnrsCnsltnDocNo: z.string(),
-  rvwOpnnSn: z.number().optional(),
-  opnrSeComCd: z.string().optional(),
-  opnrNm: z.string().optional(),
-  rvwRsltCn: z.string().optional(),
-  rvwRsltAnmlyYn: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
+  rvwOpnnSn: z.number().nullish(),
+  opnrSeComCd: z.string().nullish(),
+  opnrNm: z.string().nullish(),
+  rvwRsltCn: z.string().nullish(),
+  rvwRsltAnmlyYn: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
 });
 
 /** 백엔드 FnrsCnsltnApplySaveRequestDto.FnrsSharItem */
 export const fnrsSharItemSchema = z.object({
-  fnrsSharSeCd: z.string().optional(),
-  exstnAmt: z.number().optional(),
-  chgRqtAmt: z.number().optional(),
-  ajmtAmt: z.number().optional(),
-  rmrkCn: z.string().optional(),
-  envoRmrkCn: z.string().optional(),
+  fnrsSharSeCd: z.string().nullish(),
+  exstnAmt: z.number().nullish(),
+  chgRqtAmt: z.number().nullish(),
+  ajmtAmt: z.number().nullish(),
+  rmrkCn: z.string().nullish(),
+  envoRmrkCn: z.string().nullish(),
 });
 
 /** 백엔드 FnrsCnsltnApplySaveRequestDto */
 export const fnrsCnsltnApplySaveSchema = z.object({
-  techReViewSaveCd: z.string().optional(),
-  rvwStpCd: z.string().optional(),
+  techReViewSaveCd: z.string().nullish(),
+  rvwStpCd: z.string().nullish(),
   fnrsCnsltnMng: fnrsCnsltnMngSaveSchema,
-  bzScaleList: z.array(fnrsCnsltnBzScaleItemSchema).optional(),
-  bizCstList: z.array(fnrsCnsltnBizCstItemSchema).optional(),
-  cklstResultList: z.array(fnrsCnsltnCklstResultItemSchema).optional(),
-  cklstResultMap: z.record(z.array(fnrsCnsltnCklstResultItemSchema)).optional(),
-  esntlAtchFileList: z.array(fnrsCnsltnEsntlAtchFileItemSchema).optional(),
-  rvwOpnnList: z.array(fnrsCnsltnRvwOpnnSaveSchema).optional(),
-  splmntDmndList: z.array(fnrsCnsltnSplmntDmndItemSchema).optional(),
-  fnrsSharList: z.array(fnrsSharItemSchema).optional(),
+  bzScaleList: z.array(fnrsCnsltnBzScaleItemSchema).nullish(),
+  bizCstList: z.array(fnrsCnsltnBizCstItemSchema).nullish(),
+  cklstResultList: z.array(fnrsCnsltnCklstResultItemSchema).nullish(),
+  cklstResultMap: z.record(z.array(fnrsCnsltnCklstResultItemSchema)).nullish(),
+  esntlAtchFileList: z.array(fnrsCnsltnEsntlAtchFileItemSchema).nullish(),
+  rvwOpnnList: z.array(fnrsCnsltnRvwOpnnSaveSchema).nullish(),
+  splmntDmndList: z.array(fnrsCnsltnSplmntDmndItemSchema).nullish(),
+  fnrsSharList: z.array(fnrsSharItemSchema).nullish(),
 });
 
 export type FnrsCnsltnMngSaveRequestDto = z.infer<typeof fnrsCnsltnMngSaveSchema>;
diff --git a/apps/as/src/entities/fnrs-cnsltn/model/fnrs-cnsltn-payload-schema.ts b/apps/as/src/entities/fnrs-cnsltn/model/fnrs-cnsltn-payload-schema.ts
index 82764bd3b..46d7ef6b8 100644
--- a/apps/as/src/entities/fnrs-cnsltn/model/fnrs-cnsltn-payload-schema.ts
+++ b/apps/as/src/entities/fnrs-cnsltn/model/fnrs-cnsltn-payload-schema.ts
@@ -2,12 +2,12 @@ import { z } from "zod";
 
 /** 백엔드 FnrsExamineRequestDto */
 export const fnrsExamineRequestSchema = z.object({
-  prgrsSttsComCd: z.string().optional(),
+  prgrsSttsComCd: z.string().nullish(),
 });
 
 /** 백엔드 EnvoActnReviewReqDto */
 export const envoActnReviewReqSchema = z.object({
-  specialRqstCn: z.string().optional(),
+  specialRqstCn: z.string().nullish(),
 });
 
 export type FnrsExamineRequestDto = z.infer<typeof fnrsExamineRequestSchema>;
diff --git a/apps/as/src/entities/instl-sncn/model/instl-sncn-apply-payload-schema.ts b/apps/as/src/entities/instl-sncn/model/instl-sncn-apply-payload-schema.ts
index 8e6e17616..26913bffd 100644
--- a/apps/as/src/entities/instl-sncn/model/instl-sncn-apply-payload-schema.ts
+++ b/apps/as/src/entities/instl-sncn/model/instl-sncn-apply-payload-schema.ts
@@ -2,52 +2,52 @@ import { z } from "zod";
 
 /** 백엔드 InstlSncnMngSaveRequestDto */
 export const instlSncnMngSaveSchema = z.object({
-  instlSncnDocNo: z.string().optional(),
-  admdstCd: z.string().optional(),
-  envoSeComCd: z.string().optional(),
-  sncnSeComCd: z.string().optional(),
-  taskSeComCd: z.string().optional(),
-  bgtBizCd: z.string().optional(),
-  bgtAplyYr: z.string().optional(),
-  bizNm: z.string().optional(),
-  bizBgngYr: z.string().optional(),
-  bizEndYr: z.string().optional(),
-  bizCn: z.string().optional(),
-  aplcntNm: z.string().optional(),
-  aplcntMblTelno: z.string().optional(),
-  aplcntOgdpNm: z.string().optional(),
-  aplcntEmlAddr: z.string().optional(),
-  dsgnrNm: z.string().optional(),
-  dsgnrTelno: z.string().optional(),
-  dsgnrOgdpNm: z.string().optional(),
-  dsgnrEmlAddr: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
-  prgrsSttsComCd: z.string().optional(),
-  rtlztnFcltSeComCd: z.string().optional(),
-  rtlztnUsgSeComCd: z.string().optional(),
+  instlSncnDocNo: z.string().nullish(),
+  admdstCd: z.string().nullish(),
+  envoSeComCd: z.string().nullish(),
+  sncnSeComCd: z.string().nullish(),
+  taskSeComCd: z.string().nullish(),
+  bgtBizCd: z.string().nullish(),
+  bgtAplyYr: z.string().nullish(),
+  bizNm: z.string().nullish(),
+  bizBgngYr: z.string().nullish(),
+  bizEndYr: z.string().nullish(),
+  bizCn: z.string().nullish(),
+  aplcntNm: z.string().nullish(),
+  aplcntMblTelno: z.string().nullish(),
+  aplcntOgdpNm: z.string().nullish(),
+  aplcntEmlAddr: z.string().nullish(),
+  dsgnrNm: z.string().nullish(),
+  dsgnrTelno: z.string().nullish(),
+  dsgnrOgdpNm: z.string().nullish(),
+  dsgnrEmlAddr: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
+  prgrsSttsComCd: z.string().nullish(),
+  rtlztnFcltSeComCd: z.string().nullish(),
+  rtlztnUsgSeComCd: z.string().nullish(),
 });
 
 /** 백엔드 InstlSncnApplySaveRequestDto.BzScaleItem (diff는 API 미전송) */
 export const instlSncnBzScaleItemSchema = z.object({
-  cnstpSeCd: z.string().optional(),
-  bscPl: z.number().optional(),
-  budgetReflct: z.number().optional(),
-  thtiDsgn: z.number().optional(),
+  cnstpSeCd: z.string().nullish(),
+  bscPl: z.number().nullish(),
+  budgetReflct: z.number().nullish(),
+  thtiDsgn: z.number().nullish(),
 });
 
 /** 백엔드 InstlSncnApplySaveRequestDto.BizCstItem */
 export const instlSncnBizCstItemSchema = z.object({
-  acntgSeCd: z.string().optional(),
-  bscPlanAmt: z.number().optional(),
-  bgtRfltAmt: z.number().optional(),
-  tstmDesignAmt: z.number().optional(),
+  acntgSeCd: z.string().nullish(),
+  bscPlanAmt: z.number().nullish(),
+  bgtRfltAmt: z.number().nullish(),
+  tstmDesignAmt: z.number().nullish(),
 });
 
 /** 백엔드 InstlSncnApplySaveRequestDto.CklstResultItem */
 export const instlSncnCklstResultItemSchema = z.object({
-  cklstRvwSn: z.number().optional(),
-  cklstArtclSn: z.number().optional(),
-  cklstSn: z.number().optional(),
+  cklstRvwSn: z.number().nullish(),
+  cklstArtclSn: z.number().nullish(),
+  cklstSn: z.number().nullish(),
   rvwStpComCd: z.string().nullish(),
   selected: z.enum(["Y", "N"]).nullish(),
   picRvwCn: z.string().nullish(),
@@ -55,47 +55,47 @@ export const instlSncnCklstResultItemSchema = z.object({
 
 /** 백엔드 InstlSncnApplySaveRequestDto.EsntlAtchFileItem */
 export const instlSncnEsntlAtchFileItemSchema = z.object({
-  esntlAtchFileId: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
+  esntlAtchFileId: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
 });
 
 /** 백엔드 InstlSncnRvwOpnnSaveRequestDto */
 export const instlSncnRvwOpnnSaveSchema = z.object({
   instlSncnDocNo: z.string(),
-  rvwOpnnSn: z.number().optional(),
-  opnrSeComCd: z.string().optional(),
-  opnrNm: z.string().optional(),
-  rvwRsltCn: z.string().optional(),
-  rvwRsltAnmlyYn: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
+  rvwOpnnSn: z.number().nullish(),
+  opnrSeComCd: z.string().nullish(),
+  opnrNm: z.string().nullish(),
+  rvwRsltCn: z.string().nullish(),
+  rvwRsltAnmlyYn: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
 });
 
 /** 백엔드 InstlSncnApplySaveRequestDto.InstlSncnSplmntDmndItem */
 export const instlSncnSplmntDmndItemSchema = z.object({
   splmntDmndSn: z.number().nullish(),
   splmntArtclComCd: z.string().nullish(),
-  splmntDmndCn: z.string().optional(),
-  splmntDmndDt: z.string().optional(),
-  splmntDmndAtchFileGroupId: z.string().optional(),
-  splmntCn: z.string().optional(),
-  splmntPicNm: z.string().optional(),
-  splmntCmptnDt: z.string().optional(),
-  splmntAtchFileGroupId: z.string().optional(),
-  cmptnYn: z.string().optional(),
+  splmntDmndCn: z.string().nullish(),
+  splmntDmndDt: z.string().nullish(),
+  splmntDmndAtchFileGroupId: z.string().nullish(),
+  splmntCn: z.string().nullish(),
+  splmntPicNm: z.string().nullish(),
+  splmntCmptnDt: z.string().nullish(),
+  splmntAtchFileGroupId: z.string().nullish(),
+  cmptnYn: z.string().nullish(),
 });
 
 /** 백엔드 InstlSncnApplySaveRequestDto */
 export const instlSncnApplySaveSchema = z.object({
-  techReViewSaveCd: z.string().optional(),
-  rvwStpCd: z.string().optional(),
+  techReViewSaveCd: z.string().nullish(),
+  rvwStpCd: z.string().nullish(),
   instlSncnMng: instlSncnMngSaveSchema,
-  bzScaleList: z.array(instlSncnBzScaleItemSchema).optional(),
-  bizCstList: z.array(instlSncnBizCstItemSchema).optional(),
-  cklstResultList: z.array(instlSncnCklstResultItemSchema).optional(),
-  cklstResultMap: z.record(z.array(instlSncnCklstResultItemSchema)).optional(),
-  esntlAtchFileList: z.array(instlSncnEsntlAtchFileItemSchema).optional(),
-  rvwOpnnList: z.array(instlSncnRvwOpnnSaveSchema).optional(),
-  splmntDmndList: z.array(instlSncnSplmntDmndItemSchema).optional(),
+  bzScaleList: z.array(instlSncnBzScaleItemSchema).nullish(),
+  bizCstList: z.array(instlSncnBizCstItemSchema).nullish(),
+  cklstResultList: z.array(instlSncnCklstResultItemSchema).nullish(),
+  cklstResultMap: z.record(z.array(instlSncnCklstResultItemSchema)).nullish(),
+  esntlAtchFileList: z.array(instlSncnEsntlAtchFileItemSchema).nullish(),
+  rvwOpnnList: z.array(instlSncnRvwOpnnSaveSchema).nullish(),
+  splmntDmndList: z.array(instlSncnSplmntDmndItemSchema).nullish(),
 });
 
 export type InstlSncnMngSaveRequestDto = z.infer<typeof instlSncnMngSaveSchema>;
diff --git a/apps/as/src/entities/pwrk-cnsltn-doc-crt-rslt/model/pwrk-cnsltn-doc-crt-rslt-payload-schema.ts b/apps/as/src/entities/pwrk-cnsltn-doc-crt-rslt/model/pwrk-cnsltn-doc-crt-rslt-payload-schema.ts
index c9ed3b7e1..f2bf6ac24 100644
--- a/apps/as/src/entities/pwrk-cnsltn-doc-crt-rslt/model/pwrk-cnsltn-doc-crt-rslt-payload-schema.ts
+++ b/apps/as/src/entities/pwrk-cnsltn-doc-crt-rslt/model/pwrk-cnsltn-doc-crt-rslt-payload-schema.ts
@@ -4,7 +4,7 @@ import { z } from "zod";
 export const pwrkCnsltnDocCrtRsltSaveRequestSchema = z.object({
   crtDmndUuid: z.string().uuid(),
   pwrkCnsltnDocNo: z.string().min(1).max(100),
-  atchFileGroupId: z.string().max(30).optional(),
+  atchFileGroupId: z.string().max(30).nullish(),
 });
 
 export type PwrkCnsltnDocCrtRsltSaveRequestDto = z.infer<
diff --git a/apps/as/src/entities/pwrk-cnsltn-doc-evl/model/pwrk-cnsltn-doc-evl-payload-schema.ts b/apps/as/src/entities/pwrk-cnsltn-doc-evl/model/pwrk-cnsltn-doc-evl-payload-schema.ts
index 5418c7c63..828d2ff6b 100644
--- a/apps/as/src/entities/pwrk-cnsltn-doc-evl/model/pwrk-cnsltn-doc-evl-payload-schema.ts
+++ b/apps/as/src/entities/pwrk-cnsltn-doc-evl/model/pwrk-cnsltn-doc-evl-payload-schema.ts
@@ -3,10 +3,10 @@ import { z } from "zod";
 /** 백엔드 PwrkCnsltnDocEvlSaveRequestDto */
 export const pwrkCnsltnDocEvlSaveRequestSchema = z.object({
   pwrkCnsltnDocNo: z.string().min(1),
-  pwrkCnsltnDocEvlUuid: z.string().uuid().optional(),
-  pwrkCnsltnDocEvlCn: z.string().max(2000).optional(),
-  pwrkCnsltnDocEvlScr: z.number().optional(),
-  pwrkCnsltnDocEvlDt: z.string().optional(),
+  pwrkCnsltnDocEvlUuid: z.string().uuid().nullish(),
+  pwrkCnsltnDocEvlCn: z.string().max(2000).nullish(),
+  pwrkCnsltnDocEvlScr: z.number().nullish(),
+  pwrkCnsltnDocEvlDt: z.string().nullish(),
 });
 
 export type PwrkCnsltnDocEvlSaveRequestDto = z.infer<typeof pwrkCnsltnDocEvlSaveRequestSchema>;
diff --git a/apps/as/src/entities/pwrk-cnsltn-mng/model/pwrk-cnsltn-mng-payload-schema.ts b/apps/as/src/entities/pwrk-cnsltn-mng/model/pwrk-cnsltn-mng-payload-schema.ts
index d12926429..228752faa 100644
--- a/apps/as/src/entities/pwrk-cnsltn-mng/model/pwrk-cnsltn-mng-payload-schema.ts
+++ b/apps/as/src/entities/pwrk-cnsltn-mng/model/pwrk-cnsltn-mng-payload-schema.ts
@@ -3,18 +3,18 @@ import { z } from "zod";
 /** 백엔드 PwrkActnResultSubmitDto.ActnItemDto */
 export const pwrkActnResultActnItemSchema = z.object({
   rvwOpnnSn: z.number(),
-  actnRsltCn: z.string().optional(),
-  rfltYn: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
+  actnRsltCn: z.string().nullish(),
+  rfltYn: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
 });
 
 /** 백엔드 PwrkActnResultSubmitDto */
 export const pwrkActnResultSubmitSchema = z.object({
   isSubmit: z.boolean(),
-  actnList: z.array(pwrkActnResultActnItemSchema).optional(),
-  totActnSummary: z.string().optional(),
-  muniDocNo: z.string().optional(),
-  pwrkAtchFileGroupId: z.string().optional(),
+  actnList: z.array(pwrkActnResultActnItemSchema).nullish(),
+  totActnSummary: z.string().nullish(),
+  muniDocNo: z.string().nullish(),
+  pwrkAtchFileGroupId: z.string().nullish(),
 });
 
 export type PwrkActnResultSubmitDto = z.infer<typeof pwrkActnResultSubmitSchema>;
diff --git a/apps/as/src/entities/sewer-bsc-plan/model/sewer-bsc-plan-apply-payload-schema.ts b/apps/as/src/entities/sewer-bsc-plan/model/sewer-bsc-plan-apply-payload-schema.ts
index 6ad7af1ba..b0fafabc9 100644
--- a/apps/as/src/entities/sewer-bsc-plan/model/sewer-bsc-plan-apply-payload-schema.ts
+++ b/apps/as/src/entities/sewer-bsc-plan/model/sewer-bsc-plan-apply-payload-schema.ts
@@ -2,50 +2,50 @@ import { z } from "zod";
 
 /** 백엔드 SewerBscPlanSaveRequestDto */
 export const sewerBscPlanSaveSchema = z.object({
-  sewerBscPlanDocNo: z.string().optional(),
-  admdstCd: z.string().optional(),
-  envoSeComCd: z.string().optional(),
-  sewerBscPlanSeComCd: z.string().optional(),
-  sewerBscPlanNm: z.string().optional(),
-  taskSeComCd: z.string().optional(),
-  prgrsSttsComCd: z.string().optional(),
+  sewerBscPlanDocNo: z.string().nullish(),
+  admdstCd: z.string().nullish(),
+  envoSeComCd: z.string().nullish(),
+  sewerBscPlanSeComCd: z.string().nullish(),
+  sewerBscPlanNm: z.string().nullish(),
+  taskSeComCd: z.string().nullish(),
+  prgrsSttsComCd: z.string().nullish(),
 });
 
 /** 백엔드 SewerBscPlanDtlSaveRequestDto */
 export const sewerBscPlanDtlSaveSchema = z.object({
-  sewerBscPlanDocNo: z.string().optional(),
-  chgCycl: z.number().optional(),
-  aplcntNm: z.string().optional(),
-  aplcntMblTelno: z.string().optional(),
-  aplcntOgdpNm: z.string().optional(),
-  aplcntEmlAddr: z.string().optional(),
-  dsgnrNm: z.string().optional(),
-  dsgnrTelno: z.string().optional(),
-  dsgnrOgdpNm: z.string().optional(),
-  dsgnrEmlAddr: z.string().optional(),
-  planYr: z.string().optional(),
-  crtrYr: z.string().optional(),
-  bizOtlnCn: z.string().optional(),
-  frlvlGoalYr: z.string().optional(),
-  sclvlGoalYr: z.string().optional(),
-  thlvlGoalYr: z.string().optional(),
-  folvlGoalYr: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
+  sewerBscPlanDocNo: z.string().nullish(),
+  chgCycl: z.number().nullish(),
+  aplcntNm: z.string().nullish(),
+  aplcntMblTelno: z.string().nullish(),
+  aplcntOgdpNm: z.string().nullish(),
+  aplcntEmlAddr: z.string().nullish(),
+  dsgnrNm: z.string().nullish(),
+  dsgnrTelno: z.string().nullish(),
+  dsgnrOgdpNm: z.string().nullish(),
+  dsgnrEmlAddr: z.string().nullish(),
+  planYr: z.string().nullish(),
+  crtrYr: z.string().nullish(),
+  bizOtlnCn: z.string().nullish(),
+  frlvlGoalYr: z.string().nullish(),
+  sclvlGoalYr: z.string().nullish(),
+  thlvlGoalYr: z.string().nullish(),
+  folvlGoalYr: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
 });
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto.SewerBscPlanOtlnItem */
 export const sewerBscPlanOtlnItemSchema = z.object({
-  planStpNo: z.number().optional(),
-  sewerPlanPpltnCnt: z.number().optional(),
-  sewerPrcsPpltnCnt: z.number().optional(),
-  sewerPsplyRt: z.number().optional(),
+  planStpNo: z.number().nullish(),
+  sewerPlanPpltnCnt: z.number().nullish(),
+  sewerPrcsPpltnCnt: z.number().nullish(),
+  sewerPsplyRt: z.number().nullish(),
 });
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto.CklstResultItem */
 export const sewerBscPlanCklstResultItemSchema = z.object({
-  cklstRvwSn: z.number().optional(),
-  cklstArtclSn: z.number().optional(),
-  cklstSn: z.number().optional(),
+  cklstRvwSn: z.number().nullish(),
+  cklstArtclSn: z.number().nullish(),
+  cklstSn: z.number().nullish(),
   rvwStpComCd: z.string(),
   selected: z.enum(["Y", "N"]).nullish(),
   picRvwCn: z.string().nullish(),
@@ -53,109 +53,109 @@ export const sewerBscPlanCklstResultItemSchema = z.object({
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto.SewerBscPlanFnrsCstItem */
 export const sewerBscPlanFnrsCstItemSchema = z.object({
-  planStpNo: z.number().optional(),
-  gvexpAmt: z.number().optional(),
-  lcexpAmt: z.number().optional(),
-  orgprBdchgAmt: z.number().optional(),
-  etcAmt: z.number().optional(),
-  sumAmt: z.number().optional(),
+  planStpNo: z.number().nullish(),
+  gvexpAmt: z.number().nullish(),
+  lcexpAmt: z.number().nullish(),
+  orgprBdchgAmt: z.number().nullish(),
+  etcAmt: z.number().nullish(),
+  sumAmt: z.number().nullish(),
 });
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto.SewerBscPlanSplmntDmndItem */
 export const sewerBscPlanSplmntDmndItemSchema = z.object({
   splmntDmndSn: z.number().nullish(),
   splmntArtclComCd: z.string().nullish(),
-  splmntDmndCn: z.string().optional(),
-  splmntDmndDt: z.string().optional(),
-  splmntDmndAtchFileGroupId: z.string().optional(),
-  splmntCn: z.string().optional(),
-  splmntPicNm: z.string().optional(),
-  splmntCmptnDt: z.string().optional(),
-  splmntAtchFileGroupId: z.string().optional(),
-  cmptnYn: z.string().optional(),
+  splmntDmndCn: z.string().nullish(),
+  splmntDmndDt: z.string().nullish(),
+  splmntDmndAtchFileGroupId: z.string().nullish(),
+  splmntCn: z.string().nullish(),
+  splmntPicNm: z.string().nullish(),
+  splmntCmptnDt: z.string().nullish(),
+  splmntAtchFileGroupId: z.string().nullish(),
+  cmptnYn: z.string().nullish(),
 });
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto.SewerBscPlanRvwOpnnItem */
 export const sewerBscPlanRvwOpnnItemSchema = z.object({
-  rvwOpnnSn: z.number().optional(),
-  opnrSeComCd: z.string().optional(),
-  opnrNm: z.string().optional(),
-  rvwRsltCn: z.string().optional(),
-  rvwRsltAnmlyYn: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
+  rvwOpnnSn: z.number().nullish(),
+  opnrSeComCd: z.string().nullish(),
+  opnrNm: z.string().nullish(),
+  rvwRsltCn: z.string().nullish(),
+  rvwRsltAnmlyYn: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
 });
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto.EsntlAtchFileItem */
 export const sewerBscPlanEsntlAtchFileItemSchema = z.object({
-  esntlAtchFileId: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
+  esntlAtchFileId: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
 });
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto.SewerBscPlanBizCstItem */
 export const sewerBscPlanBizCstItemSchema = z.object({
-  planStpNo: z.number().optional(),
-  acntgSeCd: z.string().optional(),
-  cstrnAmt: z.number().optional(),
+  planStpNo: z.number().nullish(),
+  acntgSeCd: z.string().nullish(),
+  cstrnAmt: z.number().nullish(),
 });
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto.SewerBscPlanTmplntDtlItem */
 export const sewerBscPlanTmplntDtlItemSchema = z.object({
-  planStpNo: z.number().optional(),
-  swtrmtFcltCd: z.string().optional(),
-  prcsZoneArea: z.number().optional(),
-  swtrmtPpltnCnt: z.number().optional(),
-  planSwqty: z.number().optional(),
-  fcltCpct: z.number().optional(),
-  sprsysDrtwPplLen: z.number().optional(),
-  sprsysExlnPplLen: z.number().optional(),
-  cbsysPplLen: z.number().optional(),
-  icptgPplLen: z.number().optional(),
-  drgCnt: z.number().optional(),
-  drtwRlyPumpCnt: z.number().optional(),
-  drtwPumpCnt: z.number().optional(),
-  exlnPumpCnt: z.number().optional(),
+  planStpNo: z.number().nullish(),
+  swtrmtFcltCd: z.string().nullish(),
+  prcsZoneArea: z.number().nullish(),
+  swtrmtPpltnCnt: z.number().nullish(),
+  planSwqty: z.number().nullish(),
+  fcltCpct: z.number().nullish(),
+  sprsysDrtwPplLen: z.number().nullish(),
+  sprsysExlnPplLen: z.number().nullish(),
+  cbsysPplLen: z.number().nullish(),
+  icptgPplLen: z.number().nullish(),
+  drgCnt: z.number().nullish(),
+  drtwRlyPumpCnt: z.number().nullish(),
+  drtwPumpCnt: z.number().nullish(),
+  exlnPumpCnt: z.number().nullish(),
 });
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto.SewerBscPlanTmplntItem */
 export const sewerBscPlanTmplntItemSchema = z.object({
-  swtrmtFcltCd: z.string().optional(),
-  atchFileGroupId: z.string().optional(),
-  sewerBscPlanTmplntDtlList: z.array(sewerBscPlanTmplntDtlItemSchema).optional(),
+  swtrmtFcltCd: z.string().nullish(),
+  atchFileGroupId: z.string().nullish(),
+  sewerBscPlanTmplntDtlList: z.array(sewerBscPlanTmplntDtlItemSchema).nullish(),
 });
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto.SewerBscPlanTmplntTmprStrgItem */
 export const sewerBscPlanTmplntTmprStrgItemSchema = z.object({
-  dtStrgDt: z.string().optional(),
-  swtrmtFcltCd: z.string().optional(),
-  prcsZoneArea: z.number().optional(),
-  swtrmtPpltnCnt: z.number().optional(),
-  planSwqty: z.number().optional(),
-  fcltCpct: z.number().optional(),
-  sprsysDrtwPplLen: z.number().optional(),
-  sprsysExlnPplLen: z.number().optional(),
-  cbsysPplLen: z.number().optional(),
-  icptgPplLen: z.number().optional(),
-  drgCnt: z.number().optional(),
-  drtwRlyPumpCnt: z.number().optional(),
-  drtwPumpCnt: z.number().optional(),
-  exlnPumpCnt: z.number().optional(),
+  dtStrgDt: z.string().nullish(),
+  swtrmtFcltCd: z.string().nullish(),
+  prcsZoneArea: z.number().nullish(),
+  swtrmtPpltnCnt: z.number().nullish(),
+  planSwqty: z.number().nullish(),
+  fcltCpct: z.number().nullish(),
+  sprsysDrtwPplLen: z.number().nullish(),
+  sprsysExlnPplLen: z.number().nullish(),
+  cbsysPplLen: z.number().nullish(),
+  icptgPplLen: z.number().nullish(),
+  drgCnt: z.number().nullish(),
+  drtwRlyPumpCnt: z.number().nullish(),
+  drtwPumpCnt: z.number().nullish(),
+  exlnPumpCnt: z.number().nullish(),
 });
 
 /** 백엔드 SewerBscPlanApplySaveRequestDto */
 export const sewerBscPlanApplySaveSchema = z.object({
-  techReViewSaveCd: z.string().optional(),
-  rvwStpCd: z.string().optional(),
+  techReViewSaveCd: z.string().nullish(),
+  rvwStpCd: z.string().nullish(),
   sewerBscPlan: sewerBscPlanSaveSchema,
   sewerBscPlanDtl: sewerBscPlanDtlSaveSchema,
-  sewerBscPlanOtlnList: z.array(sewerBscPlanOtlnItemSchema).optional(),
-  cklstResultList: z.array(sewerBscPlanCklstResultItemSchema).optional(),
-  fnrsCstList: z.array(sewerBscPlanFnrsCstItemSchema).optional(),
-  splmntDmndList: z.array(sewerBscPlanSplmntDmndItemSchema).optional(),
-  rvwOpnnList: z.array(sewerBscPlanRvwOpnnItemSchema).optional(),
-  esntlAtchFileList: z.array(sewerBscPlanEsntlAtchFileItemSchema).optional(),
-  bizCstList: z.array(sewerBscPlanBizCstItemSchema).optional(),
-  sewerBscPlanTmplntList: z.array(sewerBscPlanTmplntItemSchema).optional(),
-  tmplntTmprStrgList: z.array(sewerBscPlanTmplntTmprStrgItemSchema).optional(),
+  sewerBscPlanOtlnList: z.array(sewerBscPlanOtlnItemSchema).nullish(),
+  cklstResultList: z.array(sewerBscPlanCklstResultItemSchema).nullish(),
+  fnrsCstList: z.array(sewerBscPlanFnrsCstItemSchema).nullish(),
+  splmntDmndList: z.array(sewerBscPlanSplmntDmndItemSchema).nullish(),
+  rvwOpnnList: z.array(sewerBscPlanRvwOpnnItemSchema).nullish(),
+  esntlAtchFileList: z.array(sewerBscPlanEsntlAtchFileItemSchema).nullish(),
+  bizCstList: z.array(sewerBscPlanBizCstItemSchema).nullish(),
+  sewerBscPlanTmplntList: z.array(sewerBscPlanTmplntItemSchema).nullish(),
+  tmplntTmprStrgList: z.array(sewerBscPlanTmplntTmprStrgItemSchema).nullish(),
 });
 
 export type SewerBscPlanSaveRequestDto = z.infer<typeof sewerBscPlanSaveSchema>;
diff --git a/apps/as/src/pages/design-cnstn/lib/design-cnstn-regist-schema.ts b/apps/as/src/pages/design-cnstn/lib/design-cnstn-regist-schema.ts
index 9cbcdc270..fbb6c9147 100644
--- a/apps/as/src/pages/design-cnstn/lib/design-cnstn-regist-schema.ts
+++ b/apps/as/src/pages/design-cnstn/lib/design-cnstn-regist-schema.ts
@@ -23,8 +23,8 @@ export const designCnstnRegistSchema = z.object({
       .string()
       .min(1, "설계자 이메일은 필수입니다")
       .email("올바른 이메일 형식이 아닙니다"),
-    sido: z.string().optional(),
-    gugun: z.string().optional(),
+    sido: z.string().nullish(),
+    gugun: z.string().nullish(),
   }),
   bzScaleList: z.array(
     designCnstnBzScaleItemSchema.extend({
@@ -32,7 +32,7 @@ export const designCnstnRegistSchema = z.object({
       bscPl: z.number(),
       budgetReflct: z.number(),
       thtiDsgn: z.number(),
-      diff: z.number().optional(),
+      diff: z.number().nullish(),
     }),
   ),
   esntlAtchFileList: z.array(
@@ -52,7 +52,7 @@ export function formatTaskSeComCdForApi(taskSeComCd: string[]): string {
   return taskSeComCd.join(",");
 }
 
-export function parseTaskSeComCdFromApi(taskSeComCd?: string): string[] {
+export function parseTaskSeComCdFromApi(taskSeComCd?: string | null): string[] {
   if (!taskSeComCd) return [];
   return taskSeComCd.split(",").filter(Boolean);
 }
diff --git a/apps/as/src/pages/design-cnstn/model/columns.tsx b/apps/as/src/pages/design-cnstn/model/columns.tsx
index 083bd08fe..429c209aa 100644
--- a/apps/as/src/pages/design-cnstn/model/columns.tsx
+++ b/apps/as/src/pages/design-cnstn/model/columns.tsx
@@ -72,7 +72,7 @@ function getBadgeColor(state: BadgeState) {
   }
 }
 
-function formatOptional(value: string | undefined) {
+function formatOptional(value: string | null | undefined) {
   return value?.trim() ? value : "-";
 }
 
diff --git a/apps/as/src/pages/fnrs-cnsltn/lib/button-config.ts b/apps/as/src/pages/fnrs-cnsltn/lib/button-config.ts
index 3b0aca199..357388417 100644
--- a/apps/as/src/pages/fnrs-cnsltn/lib/button-config.ts
+++ b/apps/as/src/pages/fnrs-cnsltn/lib/button-config.ts
@@ -51,14 +51,19 @@ const ROLE_STATUS_BUTTON_ACTIONS: Record<string, Record<string, FnrsCnsltnViewBu
     LE: [FNRS_CNSLTN_VIEW_BUTTON_ACTION.rvwRply, FNRS_CNSLTN_VIEW_BUTTON_ACTION.rqstTechRvw],
     TP: [
       FNRS_CNSLTN_VIEW_BUTTON_ACTION.pwrkCnsltnDocMng,
-      FNRS_CNSLTN_VIEW_BUTTON_ACTION.rvwRply,
       FNRS_CNSLTN_VIEW_BUTTON_ACTION.rvwOpnnRply,
     ],
+    RB: [FNRS_CNSLTN_VIEW_BUTTON_ACTION.pwrkCnsltnDocMng],
     RA: [
       FNRS_CNSLTN_VIEW_BUTTON_ACTION.pwrkCnsltnDocMng,
       FNRS_CNSLTN_VIEW_BUTTON_ACTION.rqstActnRvw,
     ],
+    AV: [FNRS_CNSLTN_VIEW_BUTTON_ACTION.pwrkCnsltnDocMng],
+    EV: [FNRS_CNSLTN_VIEW_BUTTON_ACTION.pwrkCnsltnDocMng],
+    RK: [FNRS_CNSLTN_VIEW_BUTTON_ACTION.pwrkCnsltnDocMng],
     RR: [FNRS_CNSLTN_VIEW_BUTTON_ACTION.pwrkCnsltnDocMng, FNRS_CNSLTN_VIEW_BUTTON_ACTION.rvwRply],
+    EP: [FNRS_CNSLTN_VIEW_BUTTON_ACTION.pwrkCnsltnDocMng],
+    TA: [FNRS_CNSLTN_VIEW_BUTTON_ACTION.pwrkCnsltnDocMng],
   },
 };
 
diff --git a/apps/as/src/pages/fnrs-cnsltn/lib/checklist-utils.ts b/apps/as/src/pages/fnrs-cnsltn/lib/checklist-utils.ts
index e6f95db5b..4ae0ee1f9 100644
--- a/apps/as/src/pages/fnrs-cnsltn/lib/checklist-utils.ts
+++ b/apps/as/src/pages/fnrs-cnsltn/lib/checklist-utils.ts
@@ -4,7 +4,6 @@ import {
   type ChecklistFormState,
   type ChecklistProgress,
   type ChecklistRowKey,
-  type ChecklistStepMap,
   REVIEW_STEP_CODES,
   type ReviewStepCode,
 } from "../model/view-types";
@@ -17,15 +16,6 @@ export function buildChecklistRowKey(
   return `${row.taskSeComCd}_${row.cklstSn}_${row.cklstArtclSn}_${row.cklstRvwSn}_${step}`;
 }
 
-export function groupByReviewStep(rows: CklstRvwRsltTreeDto[]): ChecklistStepMap {
-  const base: ChecklistStepMap = { LOCAL: [], ENV: [], KECO: [] };
-  rows.forEach((row) => {
-    const step = (row.rvwStpComCd ?? "LOCAL") as ReviewStepCode;
-    if (REVIEW_STEP_CODES.includes(step)) base[step].push(row);
-  });
-  return base;
-}
-
 export function extractTaskCodes(rows: CklstRvwRsltTreeDto[]): string[] {
   return Array.from(new Set(rows.map((row) => row.taskSeComCd).filter(Boolean)));
 }
@@ -70,13 +60,6 @@ export function computeChecklistProgress(
   return { total, completed, percent };
 }
 
-export function filterChecklistRowsByReviewStep(
-  rows: CklstRvwRsltTreeDto[],
-  reviewStep: ReviewStepCode,
-): CklstRvwRsltTreeDto[] {
-  return rows.filter((row) => row.rvwStpComCd === reviewStep);
-}
-
 export function computeReviewStepChecklistProgress(
   rows: CklstRvwRsltTreeDto[],
   results: ChecklistFormState["results"],
@@ -93,23 +76,6 @@ export function computeReviewStepChecklistProgress(
   return { total, completed, percent };
 }
 
-export function buildChecklistFormState(rows: CklstRvwRsltTreeDto[]): ChecklistFormState {
-  const results: ChecklistFormState["results"] = {};
-  const comments: ChecklistFormState["comments"] = {};
-  rows.forEach((row) => {
-    const key = buildChecklistRowKey(row);
-    if (row.rvwRsltAnmlyYn === "Y" || row.rvwRsltAnmlyYn === "N") {
-      results[key] = row.rvwRsltAnmlyYn;
-    }
-    if (row.picRvwCn) comments[key] = row.picRvwCn;
-  });
-  return {
-    results,
-    comments,
-    progress: computeChecklistProgress(rows, results),
-  };
-}
-
 export function mergeChecklistFormStateFromServer(
   prev: ChecklistFormState,
   allRows: CklstRvwRsltTreeDto[],
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 5739c8e6e..f0dbd8ad2 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
@@ -27,8 +27,8 @@ export const fnrsCnsltnRegistSchema = z.object({
       .string()
       .min(1, "설계자 이메일은 필수입니다")
       .email("올바른 이메일 형식이 아닙니다"),
-    sido: z.string().optional(),
-    gugun: z.string().optional(),
+    sido: z.string().nullish(),
+    gugun: z.string().nullish(),
   }),
   bzScaleList: z.array(
     fnrsCnsltnBzScaleItemSchema.extend({
@@ -36,7 +36,7 @@ export const fnrsCnsltnRegistSchema = z.object({
       bscPl: z.number(),
       budgetReflct: z.number(),
       thtiDsgn: z.number(),
-      diff: z.number().optional(),
+      diff: z.number().nullish(),
     }),
   ),
   bizCstList: z.array(
@@ -52,8 +52,8 @@ export const fnrsCnsltnRegistSchema = z.object({
       fnrsSharSeCd: z.string(),
       exstnAmt: z.number(),
       chgRqtAmt: z.number(),
-      ajmtAmt: z.number().optional(),
-      rmrkCn: z.string().optional(),
+      ajmtAmt: z.number().nullish(),
+      rmrkCn: z.string().nullish(),
     }),
   ),
   cklstResultList: z.array(
@@ -74,7 +74,7 @@ export const fnrsCnsltnRegistSchema = z.object({
   splmntDmndList: z.array(
     fnrsCnsltnSplmntDmndItemSchema.extend({
       splmntArtclCdNm: z.string().nullish(),
-      splmntDmndAtchFileNm: z.string().optional(),
+      splmntDmndAtchFileNm: z.string().nullish(),
     }),
   ),
   privacyConsent: z.enum(["Y", "N"], {
@@ -88,7 +88,7 @@ export function formatTaskSeComCdForApi(taskSeComCd: string[]): string {
   return taskSeComCd.join(",");
 }
 
-export function parseTaskSeComCdFromApi(taskSeComCd?: string): string[] {
+export function parseTaskSeComCdFromApi(taskSeComCd?: string | null): string[] {
   if (!taskSeComCd) return [];
   return taskSeComCd.split(",").filter(Boolean);
 }
diff --git a/apps/as/src/pages/fnrs-cnsltn/lib/pwrk-cnsltn-doc-evl-schema.ts b/apps/as/src/pages/fnrs-cnsltn/lib/pwrk-cnsltn-doc-evl-schema.ts
index 569c4f9c2..10e532a00 100644
--- a/apps/as/src/pages/fnrs-cnsltn/lib/pwrk-cnsltn-doc-evl-schema.ts
+++ b/apps/as/src/pages/fnrs-cnsltn/lib/pwrk-cnsltn-doc-evl-schema.ts
@@ -15,7 +15,7 @@ export const pwrkCnsltnDocEvlFormSchema = z.object({
     required_error: "만족도를 선택해 주세요.",
     invalid_type_error: "만족도를 선택해 주세요.",
   }),
-  pwrkCnsltnDocEvlCn: z.string().max(2000).optional(),
+  pwrkCnsltnDocEvlCn: z.string().max(2000).nullish(),
 });
 
 export type PwrkCnsltnDocEvlFormValues = z.infer<typeof pwrkCnsltnDocEvlFormSchema>;
diff --git a/apps/as/src/pages/fnrs-cnsltn/lib/review-step-utils.ts b/apps/as/src/pages/fnrs-cnsltn/lib/review-step-utils.ts
index 0ba84b926..f1d93361a 100644
--- a/apps/as/src/pages/fnrs-cnsltn/lib/review-step-utils.ts
+++ b/apps/as/src/pages/fnrs-cnsltn/lib/review-step-utils.ts
@@ -1,3 +1,5 @@
+import type { CklstRvwRsltTreeDto } from "@/entities/fnrs-cnsltn";
+
 import {
   PBADMS_PROGRESS_ORDER,
   REVIEW_STEP_CODES,
@@ -28,6 +30,25 @@ export function getVisibleReviewSteps(
   return REVIEW_STEP_CODES.slice(0, count);
 }
 
+export function resolveVisibleReviewSteps(
+  prgrsSttsComCd: string,
+  userRoleCode: string | undefined,
+  cklstResultList: CklstRvwRsltTreeDto[],
+): ReviewStepCode[] {
+  const byProgressAndRole = getVisibleReviewSteps(prgrsSttsComCd, userRoleCode);
+  const currentStep = byProgressAndRole.at(-1);
+  const stepsWithData = new Set<ReviewStepCode>();
+
+  for (const row of cklstResultList) {
+    const step = row.rvwStpComCd as ReviewStepCode | undefined;
+    if (step && REVIEW_STEP_CODES.includes(step)) stepsWithData.add(step);
+  }
+
+  return REVIEW_STEP_CODES.filter(
+    (step) => stepsWithData.has(step) || step === currentStep,
+  );
+}
+
 export function getEditableReviewStep(
   dtlInstCd?: string,
   prgrsSttsComCd?: string,
diff --git a/apps/as/src/pages/fnrs-cnsltn/model/columns.tsx b/apps/as/src/pages/fnrs-cnsltn/model/columns.tsx
index 2374b0c40..d033b290e 100644
--- a/apps/as/src/pages/fnrs-cnsltn/model/columns.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/model/columns.tsx
@@ -113,7 +113,7 @@ function getBadgeColor(state: BadgeState) {
   }
 }
 
-function formatOptional(value: string | undefined) {
+function formatOptional(value: string | null | undefined) {
   return value?.trim() ? value : "-";
 }
 
diff --git a/apps/as/src/pages/fnrs-cnsltn/model/view-types.ts b/apps/as/src/pages/fnrs-cnsltn/model/view-types.ts
index c3a21fb94..4b71756cb 100644
--- a/apps/as/src/pages/fnrs-cnsltn/model/view-types.ts
+++ b/apps/as/src/pages/fnrs-cnsltn/model/view-types.ts
@@ -44,10 +44,14 @@ export interface ChecklistFormState {
   progress: ChecklistProgress;
 }
 
-export type ChecklistStepMap = Record<ReviewStepCode, CklstRvwRsltTreeDto[]>;
-
 export const REVIEW_STEP_CODES: ReviewStepCode[] = ["LOCAL", "ENV", "KECO"];
 
+export const CHECKLIST_TAB_LABELS: Record<ReviewStepCode, string> = {
+  LOCAL: "자가체크",
+  ENV: "기술검토",
+  KECO: "환경청검토",
+};
+
 export const REVIEW_STEP_LABELS: Record<ReviewStepCode, string> = {
   LOCAL: "지자체",
   ENV: "환경청",
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 b06bf2334..67c4aa9dc 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
@@ -180,7 +180,9 @@ function FloatingActionButtons({
     userInfo?.userUnqId,
   );
   const viewOnlyPwrkCnsltnDoc =
-    prgrsSttsComCd === "SL" || (prgrsSttsComCd === "RB" && dtlInstCd !== "ROLE_USER05");
+    prgrsSttsComCd === "SL" ||
+    (prgrsSttsComCd === "RB" && dtlInstCd !== "ROLE_USER05") ||
+    (prgrsSttsComCd === "RK" && dtlInstCd === "ROLE_USER03");
 
   const actionButtons = useMemo(() => {
     if (needsAtrzResolve && isRvwLoginUserLoading) return [];
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/components/pwrk-cnsltn-doc-evl-dialog.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/components/pwrk-cnsltn-doc-evl-dialog.tsx
index 3696faf7c..eac7aa947 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/components/pwrk-cnsltn-doc-evl-dialog.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/components/pwrk-cnsltn-doc-evl-dialog.tsx
@@ -113,7 +113,8 @@ function PwrkCnsltnDocEvlDialog({ open, pwrkCnsltnDocNo, onClose }: PwrkCnsltnDo
             <Textarea
               id="pwrkCnsltnDocEvlCn"
               rows={4}
-              placeholder="의견을 입력해 주세요 (선택)"
+              placeholder="의견을 입력해 주세요"
+              className="!text-xl"
               {...register("pwrkCnsltnDocEvlCn")}
             />
           </div>
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-form-page.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-form-page.tsx
index d7af093a1..2910606cd 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-form-page.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-form-page.tsx
@@ -18,6 +18,7 @@ import {
   fnrsCnsltnMngService,
 } from "@/entities/fnrs-cnsltn";
 import { useFnrsSharSeMngTree } from "@/entities/fnrs-shar-se";
+import { findCompletedPwrkDraft, usePwrkCnsltnMngByUpDocNo } from "@/entities/pwrk-cnsltn-mng";
 import {
   AttachmentsFormSection,
   buildAcntgCostItems,
@@ -35,7 +36,10 @@ import {
 } from "@/widgets/pbadms-sprt";
 import { Button } from "@common/components";
 
-import { type FnrsCnsltnRegistFormData, fnrsCnsltnRegistSchema } from "../lib/fnrs-cnsltn-regist-schema";
+import {
+  type FnrsCnsltnRegistFormData,
+  fnrsCnsltnRegistSchema,
+} from "../lib/fnrs-cnsltn-regist-schema";
 import {
   buildFormPayload,
   getCreateDefaultValues,
@@ -68,6 +72,12 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
   const isSplmntPrgrsStts = initialData?.detDto?.prgrsSttsComCd === "SL";
   const fnrsCnsltnDocNo = initialData?.detDto?.fnrsCnsltnDocNo;
 
+  const { data: pwrkCnsltnData } = usePwrkCnsltnMngByUpDocNo(
+    fnrsCnsltnDocNo,
+    isSplmntPrgrsStts && Boolean(fnrsCnsltnDocNo),
+  );
+  const hasCompletedDraft = Boolean(findCompletedPwrkDraft(pwrkCnsltnData));
+
   const { data: masterSharTree = [] } = useFnrsSharSeMngTree();
   const { data: acntgTree = [] } = useAcntgSeMngTree();
   const { data: essentialFiles = [] } = useEsntlAtchFileMngTree({ docSeComCd: "FNRS" });
@@ -126,7 +136,7 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
       (item) => !item.splmntCn || !item.splmntCn.trim(),
     );
     if (hasEmptySplmntCn) {
-      alert("보완요청내용이 있습니다. 보완 완료내용을 입력해 주세요.");
+      alert("보완 요청 내용이 있습니다.\n보완 완료 내용을 입력해 주세요.");
       return;
     }
 
@@ -174,6 +184,11 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
   async function onApply(data: FnrsCnsltnRegistFormData) {
     if (isSubmitting) return;
 
+    if (data.privacyConsent !== "Y") {
+      alert("개인정보 수집/이용에 동의해야 신청이 가능합니다.");
+      return;
+    }
+
     if (!isFormChecklistComplete(data.cklstResultList)) {
       alert("모든 체크리스트 항목을 체크해야 신청이 가능합니다.");
       return;
@@ -260,7 +275,10 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
               initialEsntlFiles={isEditMode ? initialData?.esntlFileList : undefined}
               initialEtcFiles={isEditMode ? initialData?.etcFileList : undefined}
             />
-            <SplmntDmndFormSection readOnly={!isSplmntPrgrsStts} />
+            <SplmntDmndFormSection
+              initialData={initialData?.splmntDmndList}
+              readOnly={!isSplmntPrgrsStts}
+            />
 
             <div className="sticky bottom-0 z-40 !-mb-2 border-t bg-white pb-8 pt-6 shadow-[0_-4px_12px_rgba(0,0,0,0.06)]">
               <div className="mx-4 flex flex-wrap justify-center gap-3 sm:gap-4">
@@ -300,7 +318,7 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
                   </>
                 ) : (
                   <>
-                    {fnrsCnsltnDocNo ? (
+                    {hasCompletedDraft ? (
                       <Button
                         color="orange"
                         type="button"
@@ -324,7 +342,7 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
           </div>
         </SectionCollapsibleGroup>
       </form>
-      {fnrsCnsltnDocNo ? (
+      {hasCompletedDraft && fnrsCnsltnDocNo ? (
         <PwrkCnsltnDocMngDialog
           open={isPwrkCnsltnDocMngOpen}
           fnrsCnsltnDocNo={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 e0b0bb323..b87ead75a 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
@@ -14,7 +14,11 @@ import {
 } from "@/widgets/pbadms-sprt";
 import { Skeleton } from "@common/components";
 
-import { getAiPendingMessage, isAiPendingStatus, isRagIndexingInProgress } from "../lib/ai-pending-utils";
+import {
+  getAiPendingMessage,
+  isAiPendingStatus,
+  isRagIndexingInProgress,
+} from "../lib/ai-pending-utils";
 import { needsRoleUser01AtrzResolve } from "../lib/button-config";
 import { getEditableReviewStep } from "../lib/review-step-utils";
 import { EMPTY_CKLST_RESULT_LIST, useChecklistFormState } from "../lib/use-checklist-form-state";
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/sections/checklist-section.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/sections/checklist-section.tsx
index e50f5a6b8..0fafdebc4 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/sections/checklist-section.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/sections/checklist-section.tsx
@@ -11,11 +11,11 @@ import {
   extractTaskCodes,
   getChecklistDisplayRows,
 } from "../../lib/checklist-utils";
-import { getVisibleReviewSteps } from "../../lib/review-step-utils";
+import { resolveVisibleReviewSteps } from "../../lib/review-step-utils";
 import type { ReviewStepCode } from "../../model/view-types";
 import {
+  CHECKLIST_TAB_LABELS,
   type ChecklistFormState,
-  REVIEW_STEP_LABELS,
   ROLE_TO_REVIEW_STEP,
   TASK_CODE_LABELS,
 } from "../../model/view-types";
@@ -37,8 +37,8 @@ function ChecklistSection({
   setFormState,
 }: ChecklistSectionProps) {
   const visibleReviewSteps = useMemo(
-    () => getVisibleReviewSteps(prgrsSttsComCd, userRoleCode),
-    [prgrsSttsComCd, userRoleCode],
+    () => resolveVisibleReviewSteps(prgrsSttsComCd, userRoleCode, cklstResultList),
+    [prgrsSttsComCd, userRoleCode, cklstResultList],
   );
   const taskCodes = useMemo(() => extractTaskCodes(cklstResultList), [cklstResultList]);
 
@@ -87,7 +87,7 @@ function ChecklistSection({
             <TabsList>
               {visibleReviewSteps.map((stepCode) => (
                 <TabsTrigger key={stepCode} value={stepCode} className="!px-6 !py-3 text-xl">
-                  {REVIEW_STEP_LABELS[stepCode]}
+                  {CHECKLIST_TAB_LABELS[stepCode]}
                 </TabsTrigger>
               ))}
             </TabsList>
diff --git a/apps/as/src/pages/instl-sncn/lib/instl-sncn-regist-schema.ts b/apps/as/src/pages/instl-sncn/lib/instl-sncn-regist-schema.ts
index befd61c4e..c7bd4d77c 100644
--- a/apps/as/src/pages/instl-sncn/lib/instl-sncn-regist-schema.ts
+++ b/apps/as/src/pages/instl-sncn/lib/instl-sncn-regist-schema.ts
@@ -68,7 +68,7 @@ export const instlSncnRegistSchema = z.object({
   splmntDmndList: z.array(
     instlSncnSplmntDmndItemSchema.extend({
       splmntArtclCdNm: z.string().nullish(),
-      splmntDmndAtchFileNm: z.string().optional(),
+      splmntDmndAtchFileNm: z.string().nullish(),
     }),
   ),
   privacyConsent: z.enum(["Y", "N"], {
@@ -82,7 +82,7 @@ export function formatTaskSeComCdForApi(taskSeComCd: string[]): string {
   return taskSeComCd.join(",");
 }
 
-export function parseTaskSeComCdFromApi(taskSeComCd?: string): string[] {
+export function parseTaskSeComCdFromApi(taskSeComCd?: string | null): string[] {
   if (!taskSeComCd) return [];
   return taskSeComCd.split(",").filter(Boolean);
 }
diff --git a/apps/as/src/pages/instl-sncn/lib/review-step-utils.ts b/apps/as/src/pages/instl-sncn/lib/review-step-utils.ts
index 68f60f4c9..aae86858b 100644
--- a/apps/as/src/pages/instl-sncn/lib/review-step-utils.ts
+++ b/apps/as/src/pages/instl-sncn/lib/review-step-utils.ts
@@ -1,4 +1,4 @@
-import type { ReviewStepCode } from "@/entities/instl-sncn";
+import type { CklstRvwRsltTreeDto, ReviewStepCode } from "@/entities/instl-sncn";
 
 import {
   INSTL_PROGRESS_ORDER,
@@ -27,6 +27,25 @@ export function getVisibleReviewSteps(
   return REVIEW_STEP_CODES.slice(0, count);
 }
 
+export function resolveVisibleReviewSteps(
+  prgrsSttsComCd: string,
+  userRoleCode: string | undefined,
+  cklstResultList: CklstRvwRsltTreeDto[],
+): ReviewStepCode[] {
+  const byProgressAndRole = getVisibleReviewSteps(prgrsSttsComCd, userRoleCode);
+  const currentStep = byProgressAndRole.at(-1);
+  const stepsWithData = new Set<ReviewStepCode>();
+
+  for (const row of cklstResultList) {
+    const step = row.rvwStpComCd as ReviewStepCode | undefined;
+    if (step && REVIEW_STEP_CODES.includes(step)) stepsWithData.add(step);
+  }
+
+  return REVIEW_STEP_CODES.filter(
+    (step) => stepsWithData.has(step) || step === currentStep,
+  );
+}
+
 export function getEditableReviewStep(
   dtlInstCd?: string,
   prgrsSttsComCd?: string,
diff --git a/apps/as/src/pages/instl-sncn/lib/save-payload-utils.ts b/apps/as/src/pages/instl-sncn/lib/save-payload-utils.ts
index cd810c44b..93627f453 100644
--- a/apps/as/src/pages/instl-sncn/lib/save-payload-utils.ts
+++ b/apps/as/src/pages/instl-sncn/lib/save-payload-utils.ts
@@ -9,7 +9,10 @@ import type {
   ReviewStepCode,
 } from "@/entities/instl-sncn";
 import { instlSncnApplySaveSchema } from "@/entities/instl-sncn";
-import { type SplmntDmndDialogConfirmPayload, toEsntlAtchFileSaveList } from "@/widgets/pbadms-sprt";
+import {
+  type SplmntDmndDialogConfirmPayload,
+  toEsntlAtchFileSaveList,
+} from "@/widgets/pbadms-sprt";
 
 import type { ChecklistFormState } from "../model/view-types";
 
diff --git a/apps/as/src/pages/instl-sncn/model/columns.tsx b/apps/as/src/pages/instl-sncn/model/columns.tsx
index 11d51de65..f00d05720 100644
--- a/apps/as/src/pages/instl-sncn/model/columns.tsx
+++ b/apps/as/src/pages/instl-sncn/model/columns.tsx
@@ -114,7 +114,7 @@ function getBadgeColor(state: BadgeState) {
   }
 }
 
-function formatOptional(value: string | undefined) {
+function formatOptional(value: string | null | undefined) {
   return value?.trim() ? value : "-";
 }
 
diff --git a/apps/as/src/pages/instl-sncn/model/view-types.ts b/apps/as/src/pages/instl-sncn/model/view-types.ts
index a6fc0b08c..c5aaaf116 100644
--- a/apps/as/src/pages/instl-sncn/model/view-types.ts
+++ b/apps/as/src/pages/instl-sncn/model/view-types.ts
@@ -48,6 +48,12 @@ export type ChecklistStepMap = Record<ReviewStepCode, CklstRvwRsltTreeDto[]>;
 
 export const REVIEW_STEP_CODES: ReviewStepCode[] = ["LOCAL", "ENV", "KECO"];
 
+export const CHECKLIST_TAB_LABELS: Record<ReviewStepCode, string> = {
+  LOCAL: "자가체크",
+  ENV: "기술검토",
+  KECO: "환경청검토",
+};
+
 export const REVIEW_STEP_LABELS: Record<ReviewStepCode, string> = {
   LOCAL: "지자체",
   ENV: "환경청",
diff --git a/apps/as/src/pages/instl-sncn/ui/sections/checklist-section.tsx b/apps/as/src/pages/instl-sncn/ui/sections/checklist-section.tsx
index a24c7dd9b..8ee037631 100644
--- a/apps/as/src/pages/instl-sncn/ui/sections/checklist-section.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/sections/checklist-section.tsx
@@ -11,10 +11,10 @@ import {
   extractTaskCodes,
   getChecklistDisplayRows,
 } from "../../lib/checklist-utils";
-import { getVisibleReviewSteps } from "../../lib/review-step-utils";
+import { resolveVisibleReviewSteps } from "../../lib/review-step-utils";
 import {
+  CHECKLIST_TAB_LABELS,
   type ChecklistFormState,
-  REVIEW_STEP_LABELS,
   ROLE_TO_REVIEW_STEP,
   TASK_CODE_LABELS,
 } from "../../model/view-types";
@@ -36,8 +36,8 @@ function ChecklistSection({
   setFormState,
 }: ChecklistSectionProps) {
   const visibleReviewSteps = useMemo(
-    () => getVisibleReviewSteps(prgrsSttsComCd, userRoleCode),
-    [prgrsSttsComCd, userRoleCode],
+    () => resolveVisibleReviewSteps(prgrsSttsComCd, userRoleCode, cklstResultList),
+    [prgrsSttsComCd, userRoleCode, cklstResultList],
   );
   const taskCodes = useMemo(() => extractTaskCodes(cklstResultList), [cklstResultList]);
 
@@ -86,7 +86,7 @@ function ChecklistSection({
             <TabsList>
               {visibleReviewSteps.map((stepCode) => (
                 <TabsTrigger key={stepCode} value={stepCode} className="!px-6 !py-3 text-xl">
-                  {REVIEW_STEP_LABELS[stepCode]}
+                  {CHECKLIST_TAB_LABELS[stepCode]}
                 </TabsTrigger>
               ))}
             </TabsList>
diff --git a/apps/as/src/pages/sewer-bsc-plan/lib/fnrs-cst-form-utils.ts b/apps/as/src/pages/sewer-bsc-plan/lib/fnrs-cst-form-utils.ts
index 57de61985..fde0f5ea4 100644
--- a/apps/as/src/pages/sewer-bsc-plan/lib/fnrs-cst-form-utils.ts
+++ b/apps/as/src/pages/sewer-bsc-plan/lib/fnrs-cst-form-utils.ts
@@ -1,14 +1,14 @@
 import { type CostItemDef, roundAmount } from "@/widgets/pbadms-sprt";
 
-import { type BizCstMatrixItem,getAmt, PLAN_STEPS } from "./biz-cst-matrix-utils";
+import { type BizCstMatrixItem, getAmt, PLAN_STEPS } from "./biz-cst-matrix-utils";
 
 export interface FnrsCstItem {
   planStpNo: number;
-  gvexpAmt?: number;
-  lcexpAmt?: number;
-  orgprBdchgAmt?: number;
-  etcAmt?: number;
-  sumAmt?: number;
+  gvexpAmt?: number | null;
+  lcexpAmt?: number | null;
+  orgprBdchgAmt?: number | null;
+  etcAmt?: number | null;
+  sumAmt?: number | null;
 }
 
 export interface FnrsCstStepRemaining {
@@ -32,10 +32,7 @@ function getBizCstStepTotal(
 
 function sumFnrsCstLeaf(item: FnrsCstItem): number {
   return roundAmount(
-    (item.gvexpAmt ?? 0) +
-      (item.lcexpAmt ?? 0) +
-      (item.orgprBdchgAmt ?? 0) +
-      (item.etcAmt ?? 0),
+    (item.gvexpAmt ?? 0) + (item.lcexpAmt ?? 0) + (item.orgprBdchgAmt ?? 0) + (item.etcAmt ?? 0),
   );
 }
 
diff --git a/apps/as/src/pages/sewer-bsc-plan/lib/review-step-utils.ts b/apps/as/src/pages/sewer-bsc-plan/lib/review-step-utils.ts
index bce365857..5fab31348 100644
--- a/apps/as/src/pages/sewer-bsc-plan/lib/review-step-utils.ts
+++ b/apps/as/src/pages/sewer-bsc-plan/lib/review-step-utils.ts
@@ -1,3 +1,5 @@
+import type { CklstRvwRsltTreeDto } from "@/entities/sewer-bsc-plan";
+
 import {
   PBADMS_PROGRESS_ORDER,
   REVIEW_STEP_CODES,
@@ -28,6 +30,25 @@ export function getVisibleReviewSteps(
   return REVIEW_STEP_CODES.slice(0, count);
 }
 
+export function resolveVisibleReviewSteps(
+  prgrsSttsComCd: string,
+  userRoleCode: string | undefined,
+  cklstResultList: CklstRvwRsltTreeDto[],
+): ReviewStepCode[] {
+  const byProgressAndRole = getVisibleReviewSteps(prgrsSttsComCd, userRoleCode);
+  const currentStep = byProgressAndRole.at(-1);
+  const stepsWithData = new Set<ReviewStepCode>();
+
+  for (const row of cklstResultList) {
+    const step = row.rvwStpComCd as ReviewStepCode | undefined;
+    if (step && REVIEW_STEP_CODES.includes(step)) stepsWithData.add(step);
+  }
+
+  return REVIEW_STEP_CODES.filter(
+    (step) => stepsWithData.has(step) || step === currentStep,
+  );
+}
+
 export function getEditableReviewStep(
   dtlInstCd?: string,
   prgrsSttsComCd?: string,
diff --git a/apps/as/src/pages/sewer-bsc-plan/lib/sewer-bsc-plan-regist-schema.ts b/apps/as/src/pages/sewer-bsc-plan/lib/sewer-bsc-plan-regist-schema.ts
index d130d0673..9d2dfc30a 100644
--- a/apps/as/src/pages/sewer-bsc-plan/lib/sewer-bsc-plan-regist-schema.ts
+++ b/apps/as/src/pages/sewer-bsc-plan/lib/sewer-bsc-plan-regist-schema.ts
@@ -16,9 +16,9 @@ import {
 export const sewerBscPlanRegistSchema = z.object({
   sewerBscPlan: sewerBscPlanSaveSchema.extend({
     sewerBscPlanNm: z.string().min(1, "기본계획명은 필수입니다"),
-    sewerBscPlanSeCdNm: z.string().optional(),
-    taskSeCdNm: z.string().optional(),
-    sido: z.string().optional(),
+    sewerBscPlanSeCdNm: z.string().nullish(),
+    taskSeCdNm: z.string().nullish(),
+    sido: z.string().nullish(),
     gugun: z.string().nullish(),
   }),
   sewerBscPlanDtl: sewerBscPlanDtlSaveSchema.extend({
@@ -61,7 +61,7 @@ export const sewerBscPlanRegistSchema = z.object({
     sewerBscPlanTmplntItemSchema.extend({
       swtrmtFcltCd: z.string(),
       swtrmtFcltNm: z.string().nullish(),
-      atchFileNm: z.string().optional(),
+      atchFileNm: z.string().nullish(),
       sewerBscPlanTmplntDtlList: z
         .array(
           sewerBscPlanTmplntDtlItemSchema.extend({
@@ -69,7 +69,7 @@ export const sewerBscPlanRegistSchema = z.object({
             swtrmtFcltCd: z.string(),
           }),
         )
-        .optional(),
+        .nullish(),
     }),
   ),
   cklstResultList: z.array(
@@ -78,7 +78,7 @@ export const sewerBscPlanRegistSchema = z.object({
       cklstArtclSn: z.number(),
       cklstRvwSn: z.number(),
       selected: z.enum(["Y", "N"]).nullish(),
-      picRvwCn: z.string().nullable().optional(),
+      picRvwCn: z.string().nullish(),
     }),
   ),
   esntlAtchFileList: z.array(
@@ -90,9 +90,9 @@ export const sewerBscPlanRegistSchema = z.object({
   splmntDmndList: z.array(
     sewerBscPlanSplmntDmndItemSchema.extend({
       splmntArtclCdNm: z.string().nullish(),
-      splmntDmndAtchFileNm: z.string().optional(),
-      splmntAtchFileNm: z.string().optional(),
-      splmntAtchFileAtflId: z.string().optional(),
+      splmntDmndAtchFileNm: z.string().nullish(),
+      splmntAtchFileNm: z.string().nullish(),
+      splmntAtchFileAtflId: z.string().nullish(),
     }),
   ),
   privacyConsent: z.enum(["Y", "N"], {
diff --git a/apps/as/src/pages/sewer-bsc-plan/model/view-types.ts b/apps/as/src/pages/sewer-bsc-plan/model/view-types.ts
index 48e5b61f7..2bada0ee1 100644
--- a/apps/as/src/pages/sewer-bsc-plan/model/view-types.ts
+++ b/apps/as/src/pages/sewer-bsc-plan/model/view-types.ts
@@ -42,6 +42,12 @@ export type ChecklistStepMap = Record<ReviewStepCode, CklstRvwRsltTreeDto[]>;
 
 export const REVIEW_STEP_CODES: ReviewStepCode[] = ["LOCAL", "ENV", "KECO"];
 
+export const CHECKLIST_TAB_LABELS: Record<ReviewStepCode, string> = {
+  LOCAL: "자가체크",
+  ENV: "기술검토",
+  KECO: "환경청검토",
+};
+
 export const REVIEW_STEP_LABELS: Record<ReviewStepCode, string> = {
   LOCAL: "지자체",
   ENV: "환경청",
diff --git a/apps/as/src/pages/sewer-bsc-plan/ui/previous-plan-lookup-dialog.tsx b/apps/as/src/pages/sewer-bsc-plan/ui/previous-plan-lookup-dialog.tsx
index 0d0d6f4a8..b2c854487 100644
--- a/apps/as/src/pages/sewer-bsc-plan/ui/previous-plan-lookup-dialog.tsx
+++ b/apps/as/src/pages/sewer-bsc-plan/ui/previous-plan-lookup-dialog.tsx
@@ -31,7 +31,7 @@ interface PreviousPlanLookupDialogProps {
   open: boolean;
   onOpenChange: (open: boolean) => void;
   /** 부모 폼 `sewerBscPlan.sido` 표시명 */
-  initialSidoNm?: string;
+  initialSidoNm?: string | null;
   /** 부모 폼 `sewerBscPlan.gugun` 표시명 */
   initialGugunNm?: string | null;
 }
diff --git a/apps/as/src/pages/sewer-bsc-plan/ui/sections/checklist-section.tsx b/apps/as/src/pages/sewer-bsc-plan/ui/sections/checklist-section.tsx
index 14123d871..8434b173c 100644
--- a/apps/as/src/pages/sewer-bsc-plan/ui/sections/checklist-section.tsx
+++ b/apps/as/src/pages/sewer-bsc-plan/ui/sections/checklist-section.tsx
@@ -11,11 +11,11 @@ import {
   extractTaskCodes,
   getChecklistDisplayRows,
 } from "../../lib/checklist-utils";
-import { getVisibleReviewSteps } from "../../lib/review-step-utils";
+import { resolveVisibleReviewSteps } from "../../lib/review-step-utils";
 import type { ReviewStepCode } from "../../model/view-types";
 import {
+  CHECKLIST_TAB_LABELS,
   type ChecklistFormState,
-  REVIEW_STEP_LABELS,
   ROLE_TO_REVIEW_STEP,
   TASK_CODE_LABELS,
 } from "../../model/view-types";
@@ -37,8 +37,8 @@ function ChecklistSection({
   setFormState,
 }: ChecklistSectionProps) {
   const visibleReviewSteps = useMemo(
-    () => getVisibleReviewSteps(prgrsSttsComCd, userRoleCode),
-    [prgrsSttsComCd, userRoleCode],
+    () => resolveVisibleReviewSteps(prgrsSttsComCd, userRoleCode, cklstResultList),
+    [prgrsSttsComCd, userRoleCode, cklstResultList],
   );
   const taskCodes = useMemo(() => extractTaskCodes(cklstResultList), [cklstResultList]);
 
@@ -87,7 +87,7 @@ function ChecklistSection({
             <TabsList>
               {visibleReviewSteps.map((stepCode) => (
                 <TabsTrigger key={stepCode} value={stepCode} className="!px-6 !py-3 text-xl">
-                  {REVIEW_STEP_LABELS[stepCode]}
+                  {CHECKLIST_TAB_LABELS[stepCode]}
                 </TabsTrigger>
               ))}
             </TabsList>
diff --git a/apps/as/src/pages/sewer-bsc-plan/ui/sections/tmplnt-form-section.tsx b/apps/as/src/pages/sewer-bsc-plan/ui/sections/tmplnt-form-section.tsx
index 89b25aee9..51f59d559 100644
--- a/apps/as/src/pages/sewer-bsc-plan/ui/sections/tmplnt-form-section.tsx
+++ b/apps/as/src/pages/sewer-bsc-plan/ui/sections/tmplnt-form-section.tsx
@@ -214,8 +214,8 @@ function TmplntFacilityMatrix({
 interface TmplntFacilityAttachmentsProps {
   facilityIndex: number;
   facilityName?: string;
-  atchFileGroupId?: string;
-  atchFileNm?: string;
+  atchFileGroupId?: string | null;
+  atchFileNm?: string | null;
 }
 
 function TmplntFacilityAttachments({
diff --git a/apps/as/src/shared/model/pbadms-sprt.ts b/apps/as/src/shared/model/pbadms-sprt.ts
index 959c8133d..0d08874d5 100644
--- a/apps/as/src/shared/model/pbadms-sprt.ts
+++ b/apps/as/src/shared/model/pbadms-sprt.ts
@@ -205,14 +205,14 @@ export interface EsntlAtchFileSaveBase {
 export interface SplmntDmndSaveBase {
   splmntDmndSn?: number | null;
   splmntArtclComCd?: string | null;
-  splmntDmndCn?: string;
-  splmntDmndDt?: string;
-  splmntDmndAtchFileGroupId?: string;
-  splmntCn?: string;
-  splmntPicNm?: string;
-  splmntCmptnDt?: string;
-  splmntAtchFileGroupId?: string;
-  cmptnYn?: string;
+  splmntDmndCn?: string | null;
+  splmntDmndDt?: string | null;
+  splmntDmndAtchFileGroupId?: string | null;
+  splmntCn?: string | null;
+  splmntPicNm?: string | null;
+  splmntCmptnDt?: string | null;
+  splmntAtchFileGroupId?: string | null;
+  cmptnYn?: string | null;
 }
 
 /** 검토의견 저장 공통 필드 (문서번호 제외) */
diff --git a/apps/as/src/widgets/pbadms-sprt/lib/can-edit-pbadms-doc.ts b/apps/as/src/widgets/pbadms-sprt/lib/can-edit-pbadms-doc.ts
index ba626a08c..18efd5c67 100644
--- a/apps/as/src/widgets/pbadms-sprt/lib/can-edit-pbadms-doc.ts
+++ b/apps/as/src/widgets/pbadms-sprt/lib/can-edit-pbadms-doc.ts
@@ -1,8 +1,8 @@
 interface CanEditPbadmsDocParams {
   docSeComCd: string;
-  prgrsSttsComCd: string | undefined;
-  rgtr: string | undefined;
-  loggedInUserUnqId: string | undefined;
+  prgrsSttsComCd?: string | null;
+  rgtr?: string | null;
+  loggedInUserUnqId?: string | null;
 }
 
 function canEditPbadmsDoc({
diff --git a/apps/as/src/widgets/pbadms-sprt/lib/fnrs-shar-form-utils.ts b/apps/as/src/widgets/pbadms-sprt/lib/fnrs-shar-form-utils.ts
index d593d4aee..9f6959bbf 100644
--- a/apps/as/src/widgets/pbadms-sprt/lib/fnrs-shar-form-utils.ts
+++ b/apps/as/src/widgets/pbadms-sprt/lib/fnrs-shar-form-utils.ts
@@ -17,8 +17,8 @@ export interface FnrsSharListItem {
   fnrsSharSeCd: string;
   exstnAmt: number;
   chgRqtAmt: number;
-  ajmtAmt?: number;
-  rmrkCn?: string;
+  ajmtAmt?: number | null;
+  rmrkCn?: string | null;
 }
 
 export type FnrsSharTreeNode = FnrsSharSeMngTreeDto | FnrsSharBizCstTreeDto;
diff --git a/apps/as/src/widgets/pbadms-sprt/ui/attachments-form-section.tsx b/apps/as/src/widgets/pbadms-sprt/ui/attachments-form-section.tsx
index 987c1d6ab..064691f14 100644
--- a/apps/as/src/widgets/pbadms-sprt/ui/attachments-form-section.tsx
+++ b/apps/as/src/widgets/pbadms-sprt/ui/attachments-form-section.tsx
@@ -1,7 +1,7 @@
 "use client";
 
 import { useEffect, useRef, useState } from "react";
-import { Controller, useFormContext } from "react-hook-form";
+import { useFormContext } from "react-hook-form";
 
 import { useQueryClient } from "@tanstack/react-query";
 import { Download } from "lucide-react";
@@ -78,7 +78,7 @@ function AttachmentsFormSection({
   initialEsntlFiles,
   initialEtcFiles,
 }: AttachmentsFormSectionProps) {
-  const { control, getValues, setValue } = useFormContext<AttachmentsFormData>();
+  const { getValues, setValue } = useFormContext<AttachmentsFormData>();
   const queryClient = useQueryClient();
   const [uploadedFiles, setUploadedFiles] = useState<Record<string, UploadedFileItem[]>>({});
   const [etcFiles, setEtcFiles] = useState<EtcFileItem[]>([]);
@@ -373,89 +373,83 @@ function AttachmentsFormSection({
   return (
     <SectionCollapsible title="첨부파일">
       <div className="space-y-6">
-        <Controller
-          name="esntlAtchFileList"
-          control={control}
-          render={() => (
-            <div className="px-2">
-              <h3 className="mb-4 text-xl font-semibold">필수 첨부파일</h3>
-              <Table variant="secondary" className="table-fixed">
-                <colgroup>
-                  <col width="44%" />
-                  <col width="12%" />
-                  <col width="44%" />
-                </colgroup>
-                <TableHeader>
-                  <TableRow>
-                    <TableHead className="w-[30rem]" align="left">
-                      파일명
-                    </TableHead>
-                    <TableHead>파일 확장자</TableHead>
-                    <TableHead>파일첨부</TableHead>
-                  </TableRow>
-                </TableHeader>
-                <TableBody>
-                  {essentialFiles.length === 0 ? (
-                    <TableRow>
-                      <TableCell colSpan={4} className="py-12 text-center text-muted-foreground">
-                        조회된 필수 첨부파일 항목이 없습니다.
+        <div className="px-2">
+          <h3 className="mb-4 text-xl font-semibold">필수 첨부파일</h3>
+          <Table variant="secondary" className="table-fixed">
+            <colgroup>
+              <col width="44%" />
+              <col width="12%" />
+              <col width="44%" />
+            </colgroup>
+            <TableHeader>
+              <TableRow>
+                <TableHead className="w-[30rem]" align="left">
+                  파일명
+                </TableHead>
+                <TableHead>파일 확장자</TableHead>
+                <TableHead>파일첨부</TableHead>
+              </TableRow>
+            </TableHeader>
+            <TableBody>
+              {essentialFiles.length === 0 ? (
+                <TableRow>
+                  <TableCell colSpan={4} className="py-12 text-center text-muted-foreground">
+                    조회된 필수 첨부파일 항목이 없습니다.
+                  </TableCell>
+                </TableRow>
+              ) : (
+                essentialFiles.map((file) => {
+                  const atflCd = file.atchFileGroupId ?? "";
+
+                  return (
+                    <TableRow key={file.esntlAtchFileId}>
+                      <TableHead
+                        className="group break-keep font-medium"
+                        data-required={file.esntlAtchYn === "Y"}
+                        align="left"
+                      >
+                        <div className="inline-flex w-[calc(100%-1rem)] items-center justify-between gap-10">
+                          {file.esntlAtchFileNm}
+                          {atflCd ? (
+                            <Button
+                              size="sm"
+                              color="white"
+                              onClick={() => downloadTemplate(atflCd)}
+                            >
+                              <Download className="!size-5 shrink-0" />
+                              양식내려받기
+                            </Button>
+                          ) : null}
+                        </div>
+                      </TableHead>
+                      <TableCell align="center">{file.esntlAtchFileRmrk}</TableCell>
+                      <TableCell className="space-y-2">
+                        <AttachmentFileField
+                          files={(uploadedFiles[file.esntlAtchFileId] ?? []).map((item) => ({
+                            fileKey: item.fileKey,
+                            fileName: item.file?.name ?? item.fileName,
+                            onDownload: item.atflId
+                              ? () => downloadByAtflId(item.atflId!)
+                              : undefined,
+                          }))}
+                          inputId={`${file.esntlAtchFileId}-file-input`}
+                          isUploadingByKey={isUploading}
+                          accept={toFileAccept(file.esntlAtchFileRmrk) || undefined}
+                          onAdd={(fileList) =>
+                            void handleEssentialFileUpload(file.esntlAtchFileId, fileList)
+                          }
+                          onRemove={(index) =>
+                            void removeEssentialFile(file.esntlAtchFileId, index)
+                          }
+                        />
                       </TableCell>
                     </TableRow>
-                  ) : (
-                    essentialFiles.map((file) => {
-                      const atflCd = file.atchFileGroupId ?? "";
-
-                      return (
-                        <TableRow key={file.esntlAtchFileId}>
-                          <TableHead
-                            className="group break-keep font-medium"
-                            data-required={file.esntlAtchYn === "Y"}
-                            align="left"
-                          >
-                            <div className="inline-flex w-[calc(100%-1rem)] items-center justify-between gap-10">
-                              {file.esntlAtchFileNm}
-                              {atflCd ? (
-                                <Button
-                                  size="sm"
-                                  color="white"
-                                  onClick={() => downloadTemplate(atflCd)}
-                                >
-                                  <Download className="!size-5 shrink-0" />
-                                  양식내려받기
-                                </Button>
-                              ) : null}
-                            </div>
-                          </TableHead>
-                          <TableCell align="center">{file.esntlAtchFileRmrk}</TableCell>
-                          <TableCell className="space-y-2">
-                            <AttachmentFileField
-                              files={(uploadedFiles[file.esntlAtchFileId] ?? []).map((item) => ({
-                                fileKey: item.fileKey,
-                                fileName: item.file?.name ?? item.fileName,
-                                onDownload: item.atflId
-                                  ? () => downloadByAtflId(item.atflId!)
-                                  : undefined,
-                              }))}
-                              inputId={`${file.esntlAtchFileId}-file-input`}
-                              isUploadingByKey={isUploading}
-                              accept={toFileAccept(file.esntlAtchFileRmrk) || undefined}
-                              onAdd={(fileList) =>
-                                void handleEssentialFileUpload(file.esntlAtchFileId, fileList)
-                              }
-                              onRemove={(index) =>
-                                void removeEssentialFile(file.esntlAtchFileId, index)
-                              }
-                            />
-                          </TableCell>
-                        </TableRow>
-                      );
-                    })
-                  )}
-                </TableBody>
-              </Table>
-            </div>
-          )}
-        />
+                  );
+                })
+              )}
+            </TableBody>
+          </Table>
+        </div>
 
         <div className="px-2">
           <div className="mb-4 flex items-center justify-between">
diff --git a/apps/as/src/widgets/pbadms-sprt/ui/attachments-view-section.tsx b/apps/as/src/widgets/pbadms-sprt/ui/attachments-view-section.tsx
index 2a492fd56..75ceffa3e 100644
--- a/apps/as/src/widgets/pbadms-sprt/ui/attachments-view-section.tsx
+++ b/apps/as/src/widgets/pbadms-sprt/ui/attachments-view-section.tsx
@@ -43,12 +43,13 @@ function AttachmentsViewSection({ esntlFileList, etcFileList }: AttachmentsViewS
                         ) : (
                           <div className="space-y-2">
                             {files.map((file) => (
-                              <AttachmentDownloadLink
-                                key={file.atflId}
-                                atflId={file.atflId}
-                                fileName={file.orgnlFileNm || "다운로드"}
-                                className="items-center"
-                              />
+                              <div key={file.atflId}>
+                                <AttachmentDownloadLink
+                                  atflId={file.atflId}
+                                  fileName={file.orgnlFileNm || "다운로드"}
+                                  className="items-center"
+                                />
+                              </div>
                             ))}
                           </div>
                         )}
diff --git a/apps/as/src/widgets/pbadms-sprt/ui/business-cost-form-section.tsx b/apps/as/src/widgets/pbadms-sprt/ui/business-cost-form-section.tsx
index dc50504a5..9bc5ce92d 100644
--- a/apps/as/src/widgets/pbadms-sprt/ui/business-cost-form-section.tsx
+++ b/apps/as/src/widgets/pbadms-sprt/ui/business-cost-form-section.tsx
@@ -1,7 +1,7 @@
 "use client";
 
 import { useEffect, useMemo } from "react";
-import { Controller, useFormContext, useWatch } from "react-hook-form";
+import { useFormContext, useWatch } from "react-hook-form";
 
 import { SectionCollapsible } from "@/shared/ui";
 import { Field } from "@/shared/ui/field";
@@ -31,6 +31,16 @@ interface BusinessCostFormData {
 
 type CostFieldKey = "bscPlanAmt" | "bgtRfltAmt" | "tstmDesignAmt";
 
+function isSameBizCstCodes(
+  current: BusinessCostFormData["bizCstList"],
+  next: BusinessCostFormData["bizCstList"],
+) {
+  return (
+    current.length === next.length &&
+    current.every((item, index) => item.acntgSeCd === next[index]?.acntgSeCd)
+  );
+}
+
 function BusinessCostFormSection() {
   const { control, setValue, getValues } = useFormContext<BusinessCostFormData>();
   const bizCstList = useWatch({ control, name: "bizCstList" }) ?? [];
@@ -42,22 +52,22 @@ function BusinessCostFormSection() {
   useEffect(() => {
     if (costItems.length === 0) return;
 
-    const existingMap = new Map(getValues("bizCstList").map((item) => [item.acntgSeCd, item]));
+    const current = getValues("bizCstList") ?? [];
+    const existingMap = new Map(current.map((item) => [item.acntgSeCd, item]));
+    const next = costItems.map((item) => {
+      const existing = existingMap.get(item.code);
+      if (existing) return existing;
 
-    setValue(
-      "bizCstList",
-      costItems.map((item) => {
-        const existing = existingMap.get(item.code);
-        if (existing) return existing;
+      return {
+        acntgSeCd: item.code,
+        bscPlanAmt: 0,
+        bgtRfltAmt: 0,
+        tstmDesignAmt: 0,
+      };
+    });
 
-        return {
-          acntgSeCd: item.code,
-          bscPlanAmt: 0,
-          bgtRfltAmt: 0,
-          tstmDesignAmt: 0,
-        };
-      }),
-    );
+    if (isSameBizCstCodes(current, next)) return;
+    setValue("bizCstList", next);
   }, [costItems, getValues, setValue]);
 
   function handleCostChange(index: number, fieldKey: CostFieldKey, value: string) {
@@ -119,58 +129,37 @@ function BusinessCostFormSection() {
                     </div>
                   </TableHead>
                   <TableCell>
-                    <Controller
-                      name={`bizCstList.${idx}.bgtRfltAmt`}
-                      control={control}
-                      render={({ field, fieldState }) => (
-                        <Field data-invalid={fieldState.invalid}>
-                          <Input
-                            type="number"
-                            value={field.value || ""}
-                            onChange={(e) => handleCostChange(idx, "bgtRfltAmt", e.target.value)}
-                            readOnly={item.readonly}
-                            aria-invalid={fieldState.invalid}
-                            className={`text-right ${item.readonly ? "bg-muted" : ""}`}
-                          />
-                        </Field>
-                      )}
-                    />
+                    <Field>
+                      <Input
+                        type="number"
+                        value={data.bgtRfltAmt ?? ""}
+                        onChange={(e) => handleCostChange(idx, "bgtRfltAmt", e.target.value)}
+                        readOnly={item.readonly}
+                        className={`text-right ${item.readonly ? "bg-muted" : ""}`}
+                      />
+                    </Field>
                   </TableCell>
                   <TableCell>
-                    <Controller
-                      name={`bizCstList.${idx}.bscPlanAmt`}
-                      control={control}
-                      render={({ field, fieldState }) => (
-                        <Field data-invalid={fieldState.invalid}>
-                          <Input
-                            type="number"
-                            value={field.value || ""}
-                            onChange={(e) => handleCostChange(idx, "bscPlanAmt", e.target.value)}
-                            readOnly={item.readonly}
-                            aria-invalid={fieldState.invalid}
-                            className={`text-right ${item.readonly ? "bg-muted" : ""}`}
-                          />
-                        </Field>
-                      )}
-                    />
+                    <Field>
+                      <Input
+                        type="number"
+                        value={data.bscPlanAmt ?? ""}
+                        onChange={(e) => handleCostChange(idx, "bscPlanAmt", e.target.value)}
+                        readOnly={item.readonly}
+                        className={`text-right ${item.readonly ? "bg-muted" : ""}`}
+                      />
+                    </Field>
                   </TableCell>
                   <TableCell>
-                    <Controller
-                      name={`bizCstList.${idx}.tstmDesignAmt`}
-                      control={control}
-                      render={({ field, fieldState }) => (
-                        <Field data-invalid={fieldState.invalid}>
-                          <Input
-                            type="number"
-                            value={field.value || ""}
-                            onChange={(e) => handleCostChange(idx, "tstmDesignAmt", e.target.value)}
-                            readOnly={item.readonly}
-                            aria-invalid={fieldState.invalid}
-                            className={`text-right ${item.readonly ? "bg-muted" : ""}`}
-                          />
-                        </Field>
-                      )}
-                    />
+                    <Field>
+                      <Input
+                        type="number"
+                        value={data.tstmDesignAmt ?? ""}
+                        onChange={(e) => handleCostChange(idx, "tstmDesignAmt", e.target.value)}
+                        readOnly={item.readonly}
+                        className={`text-right ${item.readonly ? "bg-muted" : ""}`}
+                      />
+                    </Field>
                   </TableCell>
                   <TableCell>
                     <div className="text-right">
diff --git a/apps/as/src/widgets/pbadms-sprt/ui/business-scale-form-section.tsx b/apps/as/src/widgets/pbadms-sprt/ui/business-scale-form-section.tsx
index 2bee5e104..de479a0cf 100644
--- a/apps/as/src/widgets/pbadms-sprt/ui/business-scale-form-section.tsx
+++ b/apps/as/src/widgets/pbadms-sprt/ui/business-scale-form-section.tsx
@@ -1,7 +1,7 @@
 "use client";
 
 import { useEffect, useMemo } from "react";
-import { Controller, useFormContext, useWatch } from "react-hook-form";
+import { useFormContext, useWatch } from "react-hook-form";
 
 import { SectionCollapsible } from "@/shared/ui";
 import { Field } from "@/shared/ui/field";
@@ -17,7 +17,7 @@ import {
   TableRow,
 } from "@common/components";
 
-import { buildCnstpScaleItems, recalculateBzScaleTotals } from "../lib/business-scale-form-utils";
+import { buildCnstpScaleItems, recalculateBzScaleTotals } from "../lib/business-scale-form-utils";
 
 interface BusinessScaleFormData {
   bzScaleList: Array<{
@@ -31,6 +31,16 @@ interface BusinessScaleFormData {
 
 type ScaleFieldKey = "bscPl" | "budgetReflct" | "thtiDsgn";
 
+function isSameBzScaleCodes(
+  current: BusinessScaleFormData["bzScaleList"],
+  next: BusinessScaleFormData["bzScaleList"],
+) {
+  return (
+    current.length === next.length &&
+    current.every((item, index) => item.cnstpSeCd === next[index]?.cnstpSeCd)
+  );
+}
+
 function BusinessScaleFormSection() {
   const { control, setValue, getValues } = useFormContext<BusinessScaleFormData>();
   const bzScaleList = useWatch({ control, name: "bzScaleList" }) ?? [];
@@ -42,7 +52,8 @@ function BusinessScaleFormSection() {
   useEffect(() => {
     if (scaleItems.length === 0) return;
 
-    const existingMap = new Map(getValues("bzScaleList").map((item) => [item.cnstpSeCd, item]));
+    const current = getValues("bzScaleList") ?? [];
+    const existingMap = new Map(current.map((item) => [item.cnstpSeCd, item]));
 
     const next = scaleItems.map((item) => {
       const existing = existingMap.get(item.code);
@@ -57,6 +68,7 @@ function BusinessScaleFormSection() {
       };
     });
 
+    if (isSameBzScaleCodes(current, next)) return;
     setValue("bzScaleList", recalculateBzScaleTotals(next, scaleItems));
   }, [scaleItems, getValues, setValue]);
 
@@ -112,58 +124,37 @@ function BusinessScaleFormSection() {
                     </div>
                   </TableHead>
                   <TableCell>
-                    <Controller
-                      name={`bzScaleList.${idx}.bscPl`}
-                      control={control}
-                      render={({ field, fieldState }) => (
-                        <Field data-invalid={fieldState.invalid}>
-                          <Input
-                            type="number"
-                            value={field.value || ""}
-                            onChange={(e) => handleScaleChange(idx, "bscPl", e.target.value)}
-                            readOnly={item.readonly}
-                            aria-invalid={fieldState.invalid}
-                            className={`text-right ${item.readonly ? "bg-muted" : ""}`}
-                          />
-                        </Field>
-                      )}
-                    />
+                    <Field>
+                      <Input
+                        type="number"
+                        value={data.bscPl ?? ""}
+                        onChange={(e) => handleScaleChange(idx, "bscPl", e.target.value)}
+                        readOnly={item.readonly}
+                        className={`text-right ${item.readonly ? "bg-muted" : ""}`}
+                      />
+                    </Field>
                   </TableCell>
                   <TableCell>
-                    <Controller
-                      name={`bzScaleList.${idx}.budgetReflct`}
-                      control={control}
-                      render={({ field, fieldState }) => (
-                        <Field data-invalid={fieldState.invalid}>
-                          <Input
-                            type="number"
-                            value={field.value || ""}
-                            onChange={(e) => handleScaleChange(idx, "budgetReflct", e.target.value)}
-                            readOnly={item.readonly}
-                            aria-invalid={fieldState.invalid}
-                            className={`text-right ${item.readonly ? "bg-muted" : ""}`}
-                          />
-                        </Field>
-                      )}
-                    />
+                    <Field>
+                      <Input
+                        type="number"
+                        value={data.budgetReflct ?? ""}
+                        onChange={(e) => handleScaleChange(idx, "budgetReflct", e.target.value)}
+                        readOnly={item.readonly}
+                        className={`text-right ${item.readonly ? "bg-muted" : ""}`}
+                      />
+                    </Field>
                   </TableCell>
                   <TableCell>
-                    <Controller
-                      name={`bzScaleList.${idx}.thtiDsgn`}
-                      control={control}
-                      render={({ field, fieldState }) => (
-                        <Field data-invalid={fieldState.invalid}>
-                          <Input
-                            type="number"
-                            value={field.value || ""}
-                            onChange={(e) => handleScaleChange(idx, "thtiDsgn", e.target.value)}
-                            readOnly={item.readonly}
-                            aria-invalid={fieldState.invalid}
-                            className={`text-right ${item.readonly ? "bg-muted" : ""}`}
-                          />
-                        </Field>
-                      )}
-                    />
+                    <Field>
+                      <Input
+                        type="number"
+                        value={data.thtiDsgn ?? ""}
+                        onChange={(e) => handleScaleChange(idx, "thtiDsgn", e.target.value)}
+                        readOnly={item.readonly}
+                        className={`text-right ${item.readonly ? "bg-muted" : ""}`}
+                      />
+                    </Field>
                   </TableCell>
                   <TableCell>
                     <div className="text-right">
diff --git a/apps/as/src/widgets/pbadms-sprt/ui/checklist-form-section.tsx b/apps/as/src/widgets/pbadms-sprt/ui/checklist-form-section.tsx
index 1e4c324bb..0fb9e136a 100644
--- a/apps/as/src/widgets/pbadms-sprt/ui/checklist-form-section.tsx
+++ b/apps/as/src/widgets/pbadms-sprt/ui/checklist-form-section.tsx
@@ -1,18 +1,15 @@
 "use client";
 
 import { useEffect, useMemo, useState } from "react";
-import { Controller, useFormContext, useWatch } from "react-hook-form";
+import { useFormContext, useWatch } from "react-hook-form";
 
 import { useQuery } from "@tanstack/react-query";
 
 import { SectionCollapsible } from "@/shared/ui";
-import { Field, FieldLabel } from "@/shared/ui/field";
 import { cklstMngService, type CklstTreeNode } from "@/entities/cklst";
 import { useCodeList } from "@/entities/code";
 import {
   Button,
-  RadioGroup,
-  RadioGroupItem,
   Skeleton,
   Table,
   TableBody,
@@ -125,11 +122,21 @@ function ChecklistFormSection({ docSeComCd, fieldPrefix }: ChecklistFormSectionP
     }
   }, [checklistTabs, activeTab]);
 
+  function handleSelectChange(resultIdx: number, value: "Y" | "N") {
+    const currentList = getValues("cklstResultList") as CklstResultListItem[];
+    const row = currentList[resultIdx];
+    if (!row) return;
+
+    const newList = [...currentList];
+    newList[resultIdx] = { ...row, selected: value };
+    setValue("cklstResultList", newList, { shouldDirty: true });
+  }
+
   function handleSelectAll(tabCode: string, value: "Y" | "N") {
     const tab = checklistTabs.find((t) => t.code === tabCode);
     if (!tab) return;
 
-    const currentList = getValues("cklstResultList");
+    const currentList = getValues("cklstResultList") as CklstResultListItem[];
     const newList = [...currentList];
 
     tab.items
@@ -141,7 +148,7 @@ function ChecklistFormSection({ docSeComCd, fieldPrefix }: ChecklistFormSectionP
         }
       });
 
-    setValue("cklstResultList", newList);
+    setValue("cklstResultList", newList, { shouldDirty: true });
   }
 
   const hasSelectedTaskCodes = Boolean(taskSeComCdArray?.length);
@@ -234,6 +241,8 @@ function ChecklistFormSection({ docSeComCd, fieldPrefix }: ChecklistFormSectionP
                   {tab.items.map((item) => {
                     const resultIdx = cklstRvwSnIndexMap.get(item.cklstRvwSn) ?? -1;
                     const showRadios = item.bchckUseYn === "Y";
+                    const selected = cklstResultList[resultIdx]?.selected;
+                    const radioName = `check-${item.cklstRvwSn}`;
 
                     return (
                       <TableRow key={item.cklstRvwSn}>
@@ -248,66 +257,30 @@ function ChecklistFormSection({ docSeComCd, fieldPrefix }: ChecklistFormSectionP
                           {item.content}
                         </TableCell>
                         {showRadios && resultIdx >= 0 ? (
-                          <Controller
-                            name={`cklstResultList.${resultIdx}.selected`}
-                            control={control}
-                            render={({ field, fieldState }) => (
-                              <>
-                                <TableCell className="text-center">
-                                  <RadioGroup
-                                    name={field.name}
-                                    value={field.value === "Y" ? "Y" : undefined}
-                                    onValueChange={field.onChange}
-                                    className="flex justify-center"
-                                  >
-                                    <FieldLabel
-                                      htmlFor={`check-${item.cklstRvwSn}-Y`}
-                                      className="!w-auto justify-center border-none"
-                                    >
-                                      <Field
-                                        orientation="horizontal"
-                                        data-invalid={fieldState.invalid}
-                                        className="w-auto"
-                                      >
-                                        <RadioGroupItem
-                                          value="Y"
-                                          id={`check-${item.cklstRvwSn}-Y`}
-                                          aria-invalid={fieldState.invalid}
-                                          aria-label="예"
-                                        />
-                                      </Field>
-                                    </FieldLabel>
-                                  </RadioGroup>
-                                </TableCell>
-                                <TableCell className="text-center">
-                                  <RadioGroup
-                                    name={field.name}
-                                    value={field.value === "N" ? "N" : undefined}
-                                    onValueChange={field.onChange}
-                                    className="flex justify-center"
-                                  >
-                                    <FieldLabel
-                                      htmlFor={`check-${item.cklstRvwSn}-N`}
-                                      className="!w-auto justify-center border-none"
-                                    >
-                                      <Field
-                                        orientation="horizontal"
-                                        data-invalid={fieldState.invalid}
-                                        className="w-auto"
-                                      >
-                                        <RadioGroupItem
-                                          value="N"
-                                          id={`check-${item.cklstRvwSn}-N`}
-                                          aria-invalid={fieldState.invalid}
-                                          aria-label="아니오"
-                                        />
-                                      </Field>
-                                    </FieldLabel>
-                                  </RadioGroup>
-                                </TableCell>
-                              </>
-                            )}
-                          />
+                          <>
+                            <TableCell className="text-center">
+                              <input
+                                type="radio"
+                                name={radioName}
+                                value="Y"
+                                checked={selected === "Y"}
+                                onChange={() => handleSelectChange(resultIdx, "Y")}
+                                aria-label="예"
+                                className="cursor-pointer"
+                              />
+                            </TableCell>
+                            <TableCell className="text-center">
+                              <input
+                                type="radio"
+                                name={radioName}
+                                value="N"
+                                checked={selected === "N"}
+                                onChange={() => handleSelectChange(resultIdx, "N")}
+                                aria-label="아니오"
+                                className="cursor-pointer"
+                              />
+                            </TableCell>
+                          </>
                         ) : null}
                       </TableRow>
                     );
diff --git a/apps/as/src/widgets/pbadms-sprt/ui/fnrs-shar-form-section.tsx b/apps/as/src/widgets/pbadms-sprt/ui/fnrs-shar-form-section.tsx
index 0ab921ef9..570c5ab7b 100644
--- a/apps/as/src/widgets/pbadms-sprt/ui/fnrs-shar-form-section.tsx
+++ b/apps/as/src/widgets/pbadms-sprt/ui/fnrs-shar-form-section.tsx
@@ -1,18 +1,17 @@
 "use client";
 
 import { useEffect, useMemo, useState } from "react";
-import { Controller, useFormContext, useWatch } from "react-hook-form";
+import { useFormContext, useWatch } from "react-hook-form";
 
 import { getDefaultFileKey, useTus } from "@/shared/lib";
-import { TextShimmer } from "@/shared/ui";
-import { SectionCollapsible } from "@/shared/ui";
+import { AttachmentFileField, SectionCollapsible } from "@/shared/ui";
 import { Field } from "@/shared/ui/field";
 import { useAcntgSeMngTree } from "@/entities/acntg";
+import { useDownloadAttachmentByAtflId } from "@/entities/attach";
 import type { AtflMngClientResponseDto } from "@/entities/fnrs-cnsltn";
 import type { FnrsSharBizCstTreeDto } from "@/entities/fnrs-shar-se";
 import { useFnrsSharSeMngTree } from "@/entities/fnrs-shar-se";
 import {
-  Button,
   cn,
   Input,
   Skeleton,
@@ -37,6 +36,7 @@ import { calcDiffPercent } from "../lib/format-utils";
 import { BizCstTotalDisplayTable } from "./biz-cst-total-display-table";
 
 const SHAR_FILE_KEY_PREFIX = "fnrs-shar::";
+const SHAR_FILE_ACCEPT = ".hwp,.hwpx";
 
 interface FnrsSharFormData {
   fnrsSharList: FnrsSharListItem[];
@@ -53,6 +53,12 @@ interface FnrsSharFormData {
 
 type SharFieldKey = "exstnAmt" | "chgRqtAmt" | "rmrkCn";
 
+interface SharUploadedFile {
+  fileKey: string;
+  fileName: string;
+  atflId?: string;
+}
+
 interface FnrsSharFormSectionProps {
   initialSharTree?: FnrsSharBizCstTreeDto[];
   initialSharAtchFiles?: AtflMngClientResponseDto[];
@@ -62,12 +68,30 @@ function createSharUploadKey(file: File) {
   return `${SHAR_FILE_KEY_PREFIX}${getDefaultFileKey(file)}`;
 }
 
+function toInitialSharFile(file?: AtflMngClientResponseDto): SharUploadedFile | null {
+  if (!file?.orgnlFileNm) return null;
+
+  return {
+    fileKey: file.atflId ? `server::${file.atflId}` : `${SHAR_FILE_KEY_PREFIX}${file.atflCd}`,
+    fileName: file.orgnlFileNm,
+    atflId: file.atflId,
+  };
+}
+
+function isSameFnrsSharCodes(current: FnrsSharListItem[], next: FnrsSharListItem[]) {
+  return (
+    current.length === next.length &&
+    current.every((item, index) => item.fnrsSharSeCd === next[index]?.fnrsSharSeCd)
+  );
+}
+
 function FnrsSharFormSection({ initialSharTree, initialSharAtchFiles }: FnrsSharFormSectionProps) {
   const { control, setValue, getValues } = useFormContext<FnrsSharFormData>();
   const fnrsSharList = useWatch({ control, name: "fnrsSharList" }) ?? [];
-  const [uploadedFileName, setUploadedFileName] = useState(
-    () => initialSharAtchFiles?.[0]?.orgnlFileNm ?? "",
+  const [uploadedFile, setUploadedFile] = useState<SharUploadedFile | null>(() =>
+    toInitialSharFile(initialSharAtchFiles?.[0]),
   );
+  const { mutate: downloadByAtflId } = useDownloadAttachmentByAtflId();
 
   const { data: masterTree = [], isLoading: isMasterLoading } = useFnrsSharSeMngTree();
   const { data: acntgTree = [] } = useAcntgSeMngTree();
@@ -78,9 +102,13 @@ function FnrsSharFormSection({ initialSharTree, initialSharAtchFiles }: FnrsShar
   const isLoading = initialSharTree?.length ? false : isMasterLoading;
 
   const { uploadFileAsync, isUploading } = useTus({
-    onSuccess: (atflCd) => {
+    onSuccess: (atflCd, atflId, _file, fileKey) => {
       if (!atflCd) return;
       setValue("fnrsCnsltnMng.sharAtchFileGroupId", atflCd, { shouldDirty: true });
+      setUploadedFile((prev) => (prev?.fileKey === fileKey ? { ...prev, atflId } : prev));
+    },
+    onError: (_error, _file, fileKey) => {
+      setUploadedFile((prev) => (prev?.fileKey === fileKey ? null : prev));
     },
   });
   const isSharUploading = Object.values(isUploading).some(Boolean);
@@ -96,6 +124,7 @@ function FnrsSharFormSection({ initialSharTree, initialSharAtchFiles }: FnrsShar
         : mergeFnrsSharTreeWithForm(sharTree, []);
 
     const withTotals = recalculateFnrsSharTotals(merged, sharItems);
+    if (isSameFnrsSharCodes(existing, withTotals)) return;
     setValue("fnrsSharList", withTotals);
   }, [sharItems, sharTree, initialSharTree, getValues, setValue]);
 
@@ -120,16 +149,32 @@ function FnrsSharFormSection({ initialSharTree, initialSharAtchFiles }: FnrsShar
     applySharList(draft);
   }
 
-  async function handleSharFileChange(event: React.ChangeEvent<HTMLInputElement>) {
-    const file = event.target.files?.[0];
+  async function handleSharFileAdd(files: FileList | null) {
+    const file = files?.[0];
     if (!file) return;
 
     const fileKey = createSharUploadKey(file);
-    setUploadedFileName(file.name);
-    await uploadFileAsync(file, { fileKey });
-    event.target.value = "";
+    setUploadedFile({ fileName: file.name, fileKey });
+
+    try {
+      await uploadFileAsync(file, { fileKey });
+    } catch {
+      // onError callback handles cleanup
+    }
   }
 
+  const sharAtchFiles = uploadedFile
+    ? [
+        {
+          fileKey: uploadedFile.fileKey,
+          fileName: uploadedFile.fileName,
+          onDownload: uploadedFile.atflId
+            ? () => downloadByAtflId(uploadedFile.atflId!)
+            : undefined,
+        },
+      ]
+    : [];
+
   if (isLoading) {
     return (
       <SectionCollapsible title="재원분담">
@@ -189,40 +234,26 @@ function FnrsSharFormSection({ initialSharTree, initialSharAtchFiles }: FnrsShar
                       {item.label}
                     </TableHead>
                     <TableCell>
-                      <Controller
-                        name={`fnrsSharList.${idx}.exstnAmt`}
-                        control={control}
-                        render={({ field, fieldState }) => (
-                          <Field data-invalid={fieldState.invalid}>
-                            <Input
-                              type="number"
-                              value={field.value ?? ""}
-                              onChange={(e) => handleSharChange(idx, "exstnAmt", e.target.value)}
-                              readOnly={item.readonly}
-                              aria-invalid={fieldState.invalid}
-                              className={cn("text-right", item.readonly && "bg-muted")}
-                            />
-                          </Field>
-                        )}
-                      />
+                      <Field>
+                        <Input
+                          type="number"
+                          value={data.exstnAmt ?? ""}
+                          onChange={(e) => handleSharChange(idx, "exstnAmt", e.target.value)}
+                          readOnly={item.readonly}
+                          className={cn("text-right", item.readonly && "bg-muted")}
+                        />
+                      </Field>
                     </TableCell>
                     <TableCell>
-                      <Controller
-                        name={`fnrsSharList.${idx}.chgRqtAmt`}
-                        control={control}
-                        render={({ field, fieldState }) => (
-                          <Field data-invalid={fieldState.invalid}>
-                            <Input
-                              type="number"
-                              value={field.value ?? ""}
-                              onChange={(e) => handleSharChange(idx, "chgRqtAmt", e.target.value)}
-                              readOnly={item.readonly}
-                              aria-invalid={fieldState.invalid}
-                              className={cn("text-right", item.readonly && "bg-muted")}
-                            />
-                          </Field>
-                        )}
-                      />
+                      <Field>
+                        <Input
+                          type="number"
+                          value={data.chgRqtAmt ?? ""}
+                          onChange={(e) => handleSharChange(idx, "chgRqtAmt", e.target.value)}
+                          readOnly={item.readonly}
+                          className={cn("text-right", item.readonly && "bg-muted")}
+                        />
+                      </Field>
                     </TableCell>
                     <TableCell>
                       <div className="text-right">
@@ -233,19 +264,12 @@ function FnrsSharFormSection({ initialSharTree, initialSharAtchFiles }: FnrsShar
                       <div className="text-right">{calcDiffPercent(diff, data.exstnAmt || 0)}</div>
                     </TableCell>
                     <TableCell>
-                      <Controller
-                        name={`fnrsSharList.${idx}.rmrkCn`}
-                        control={control}
-                        render={({ field, fieldState }) => (
-                          <Field data-invalid={fieldState.invalid}>
-                            <Input
-                              value={field.value ?? ""}
-                              onChange={(e) => handleSharChange(idx, "rmrkCn", e.target.value)}
-                              aria-invalid={fieldState.invalid}
-                            />
-                          </Field>
-                        )}
-                      />
+                      <Field>
+                        <Input
+                          value={data.rmrkCn ?? ""}
+                          onChange={(e) => handleSharChange(idx, "rmrkCn", e.target.value)}
+                        />
+                      </Field>
                     </TableCell>
                   </TableRow>
                 );
@@ -257,31 +281,20 @@ function FnrsSharFormSection({ initialSharTree, initialSharAtchFiles }: FnrsShar
 
       <div className="mt-6 px-2 pb-2">
         <h3 className="mb-2 text-xl font-semibold">첨부파일</h3>
-        <div className="flex flex-wrap items-center gap-2">
-          {isSharUploading && uploadedFileName ? (
-            <TextShimmer className="max-w-lg text-xl" active>
-              {uploadedFileName}
-            </TextShimmer>
-          ) : (
-            <Input
-              value={uploadedFileName}
-              readOnly
-              placeholder="총사업비 신청서(.hwp) 파일을 등록해주세요."
-              className="max-w-lg rounded-sm"
-            />
-          )}
-          <Button type="button" color="white" disabled={isSharUploading} asChild>
-            <label className="cursor-pointer">
-              첨부파일
-              <input
-                type="file"
-                accept=".hwp,.hwpx"
-                className="hidden"
-                onChange={handleSharFileChange}
-              />
-            </label>
-          </Button>
-        </div>
+        {!uploadedFile ? (
+          <p className="mb-2 px-1 text-xl text-muted-foreground">
+            총사업비 신청서(.hwp) 파일을 등록해주세요.
+          </p>
+        ) : null}
+        <AttachmentFileField
+          files={sharAtchFiles}
+          inputId="fnrs-shar-atch-file-input"
+          isUploadingByKey={isUploading}
+          accept={SHAR_FILE_ACCEPT}
+          multiple={false}
+          addDisabled={isSharUploading}
+          onAdd={(fileList) => void handleSharFileAdd(fileList)}
+        />
       </div>
     </SectionCollapsible>
   );
diff --git a/apps/as/src/widgets/pbadms-sprt/ui/splmnt-dmnd-form-section.tsx b/apps/as/src/widgets/pbadms-sprt/ui/splmnt-dmnd-form-section.tsx
index 8fdbec031..d144982bc 100644
--- a/apps/as/src/widgets/pbadms-sprt/ui/splmnt-dmnd-form-section.tsx
+++ b/apps/as/src/widgets/pbadms-sprt/ui/splmnt-dmnd-form-section.tsx
@@ -5,7 +5,12 @@ import { Controller, useFormContext, useWatch } from "react-hook-form";
 
 import { dayjs, getDefaultFileKey, useTus } from "@/shared/lib";
 import { AttachmentFileField, SectionCollapsible } from "@/shared/ui";
-import { AttachmentDownloadLink, attachService, useDownloadAttachmentByAtflId } from "@/entities/attach";
+import {
+  AttachmentDownloadLink,
+  attachService,
+  useDownloadAttachmentByAtflId,
+} from "@/entities/attach";
+import { FnrsCnsltnSplmntDmndResponseDto } from "@/entities/fnrs-cnsltn";
 import {
   Badge,
   Table,
@@ -46,6 +51,7 @@ interface SplmntDmndFormData {
 }
 
 interface SplmntDmndFormSectionProps {
+  initialData?: FnrsCnsltnSplmntDmndResponseDto[];
   readOnly?: boolean;
 }
 
@@ -65,7 +71,7 @@ function getRowKey(item: SplmntDmndFormItem, index: number) {
   return item.splmntDmndSn != null ? String(item.splmntDmndSn) : `idx-${index}`;
 }
 
-function SplmntDmndFormSection({ readOnly = false }: SplmntDmndFormSectionProps) {
+function SplmntDmndFormSection({ initialData, readOnly = false }: SplmntDmndFormSectionProps) {
   const formId = useId();
   const { control, setValue, getValues } = useFormContext<SplmntDmndFormData>();
   const splmntDmndList = useWatch({ control, name: "splmntDmndList" }) ?? [];
@@ -260,6 +266,7 @@ function SplmntDmndFormSection({ readOnly = false }: SplmntDmndFormSectionProps)
               const isRowUploading = rowFiles.some((file) => isUploading[file.fileKey] ?? false);
               const fileInputId = `${formId}-${rowKey}-file`;
               const isRowReadOnly = readOnly || item.cmptnYn === "Y";
+              const splmntAtchFileInfo = initialData?.[index]?.splmntAtchFileInfo;
 
               return (
                 <TableRow key={rowKey}>
@@ -282,7 +289,15 @@ function SplmntDmndFormSection({ readOnly = false }: SplmntDmndFormSectionProps)
                   </TableCell>
                   <TableCell className="align-top">
                     {isRowReadOnly ? (
-                      <span className="whitespace-pre-wrap">{item.splmntCn || "-"}</span>
+                      <div className="space-y-2">
+                        <div className="whitespace-pre-wrap">{item.splmntCn || "-"}</div>
+                        {splmntAtchFileInfo?.atflCd ? (
+                          <AttachmentDownloadLink
+                            atflCd={splmntAtchFileInfo?.atflCd}
+                            fileName={splmntAtchFileInfo?.orgnlFileNm}
+                          />
+                        ) : null}
+                      </div>
                     ) : (
                       <Controller
                         control={control}
@@ -292,7 +307,7 @@ function SplmntDmndFormSection({ readOnly = false }: SplmntDmndFormSectionProps)
                             value={field.value ?? ""}
                             onChange={field.onChange}
                             onBlur={field.onBlur}
-                            placeholder="보완완료 내용을 입력하세요."
+                            placeholder="보완 완료 내용을 입력하세요."
                             className="min-h-[6rem] !text-xl"
                           />
                         )}