[feat] 공급사 포털·backend: 협상완료 부가정보 입력(#5)·포털 브랜딩/로고·구분삭제(#19)·카드메타 nego 저장

backend/crud/chat_crud.py

@@ -6,7 +6,7 @@ from sqlalchemy import asc, desc, select, update
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from common.database.db_session_manager import DB_SESSION_MNG
-from common.database.model.models import chats, items, sessions
+from common.database.model.models import chats, items, sessions, nego_cards
 from common.enums import ErrorType, SessionStatus
 from common.logger import LOG
 
@@ -47,6 +47,10 @@ class IChatCRUD(ABC):
     async def update_last_offer_price(self, cdb: AsyncSession, session_id, price: int) -> ErrorType:
         pass
 
+    @abstractmethod
+    async def get_nego_card_id_by_number(self, cdb: AsyncSession, number: str):
+        pass
+
 
 class ChatCRUD(IChatCRUD):
     async def list_by_session(self, cdb: AsyncSession, session_id) -> Tuple[ErrorType, list]:
@@ -112,6 +116,18 @@ class ChatCRUD(IChatCRUD):
             LOG.e_no_callstack(ex)
             return ErrorType.DB_RUN_FAILED, None
 
+    async def get_nego_card_id_by_number(self, cdb: AsyncSession, number: str):
+        # 협상카드 번호(agent turn.card_id) → nego_card_id(UUID). 없으면 None. 카드 사용 로그(chats.card_id) 저장용.
+        try:
+            query = select(nego_cards.nego_card_id).where(nego_cards.number == number, nego_cards.deleted == False).limit(1)  # noqa: E712
+            err_type, row_list = await DB_SESSION_MNG.execute(cdb, query, f"get_nego_card_id_by_number({number}) failed.")
+            if err_type != ErrorType.SUCCESS or not row_list:
+                return None
+            return row_list[0]
+        except Exception as ex:
+            LOG.e_no_callstack(ex)
+            return None
+
     async def finalize_session(
         self, cdb: AsyncSession, session_id, status: int,
         bid_price: Optional[int] = None, reject_reason: Optional[str] = None, reject_price: Optional[int] = None,

backend/crud/session_crud.py

@@ -41,6 +41,10 @@ class ISessionCRUD(ABC):
     async def update_session_reject(self, cdb: AsyncSession, session_id, status: int, reject_reason: str) -> ErrorType:
         pass
 
+    @abstractmethod
+    async def update_session_custom(self, cdb: AsyncSession, session_id, supplier_id, custom: dict) -> ErrorType:
+        pass
+
 
 class SessionCRUD(ISessionCRUD):
     @staticmethod
@@ -86,6 +90,7 @@ class SessionCRUD(ISessionCRUD):
                     items.name,
                     items.model_name,
                     items.manufacturer,
+                    sessions.custom,
                 )
                 .join(items, items.item_id == sessions.item_id)
                 .join(quotations, quotations.qt_id == sessions.quotation_id)
@@ -173,3 +178,16 @@ class SessionCRUD(ISessionCRUD):
         except Exception as ex:
             LOG.e_no_callstack(ex)
             return ErrorType.DB_RUN_FAILED
+
+    async def update_session_custom(self, cdb: AsyncSession, session_id, supplier_id, custom: dict) -> ErrorType:
+        # 협상완료 부가정보(sessions.custom) 저장. 본인 공급사 세션만(supplier_id 가드).
+        try:
+            query = (
+                update(sessions)
+                .where(sessions.session_id == session_id, sessions.supplier_id == supplier_id)
+                .values(custom=custom)
+            )
+            return await DB_SESSION_MNG.add(cdb, query)
+        except Exception as ex:
+            LOG.e_no_callstack(ex)
+            return ErrorType.DB_RUN_FAILED

backend/crud/user_crud.py

@@ -5,7 +5,7 @@ from sqlalchemy import delete, select, update
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from common.database.db_session_manager import DB_SESSION_MNG
-from common.database.model.models import supplier_user_tokens, supplier_users, suppliers
+from common.database.model.models import supplier_user_tokens, supplier_users, suppliers, companies
 from common.enums import ErrorType, TokenType
 from common.logger import LOG
 from common.utils.gtime import GTime
@@ -28,6 +28,10 @@ class IUserCRUD(ABC):
     async def get_supplier_name(self, cdb: AsyncSession, supplier_id) -> Tuple[ErrorType, str]:
         pass
 
+    @abstractmethod
+    async def get_company_settings(self, cdb: AsyncSession, supplier_id) -> Tuple[ErrorType, dict]:
+        pass
+
     @abstractmethod
     async def is_account(self, cdb: AsyncSession, login_id: str) -> ErrorType:
         pass
@@ -117,6 +121,25 @@ class UserCRUD(IUserCRUD):
             LOG.e_no_callstack(ex)
             return ErrorType.DB_RUN_FAILED, None
 
+    async def get_company_settings(self, cdb: AsyncSession, supplier_id) -> Tuple[ErrorType, dict]:
+        """공급사 소속 회사 설정(companies.settings) 전체. 브랜딩·협상완료 필드 등이 들어있다. 미설정이면 빈 dict."""
+        try:
+            query = (
+                select(companies.settings)
+                .join(suppliers, suppliers.company_id == companies.company_id)
+                .where(suppliers.supplier_id == supplier_id, suppliers.deleted == False, companies.deleted == False)  # noqa: E712
+                .limit(1)
+            )
+            err_type, row_list = await DB_SESSION_MNG.execute(cdb, query, f"get_company_settings(supplier_id:{supplier_id}) failed.")
+            if err_type != ErrorType.SUCCESS:
+                return err_type, {}
+            settings = row_list[0] if row_list else None
+            return ErrorType.SUCCESS, settings or {}
+        except Exception as ex:
+            LOG.e_no_callstack(ex)
+            return ErrorType.DB_RUN_FAILED, {}
+
+
     async def is_account(self, cdb: AsyncSession, login_id: str) -> ErrorType:
         try:
             query = (

backend/router/v1/auth/protocol.py

@@ -48,6 +48,8 @@ class Res_Me(Res_WebPacketProtocol):
     supplier_id: str = Field("", description="소속 공급사 uuid")
     supplier_name: str = Field("", description="공급사명")
     role: int = Field(0, description="권한 코드 1=user, 2=manager (UserRole)")
+    branding: dict = Field(default_factory=dict, description="소속 회사 브랜딩(companies.settings.branding). 서비스명/로고/색")
+    session_fields: list = Field(default_factory=list, description="협상완료 부가정보 필드 정의(companies.settings.session_fields). 공급사가 타결 후 입력")
 
 
 class Res_Logout(Res_WebPacketProtocol):

backend/router/v1/chat/protocol.py

@@ -77,6 +77,7 @@ class Res_ChatInit(Res_WebPacketProtocol):
     item_min_order_quantity: str = Field("", description="최소 주문 수량")
     item_vat_yn: Optional[bool] = Field(None, description="VAT 포함 여부(미설정 시 null)")
     item_delivery_fee_yn: Optional[bool] = Field(None, description="배송비 포함 여부(미설정 시 null)")
+    custom: dict = Field(default_factory=dict, description="협상완료 부가정보 기존 입력값(sessions.custom). 재진입 시 폼 프리필용")
 
 
 # 대화 히스토리(재진입 복원)

backend/router/v1/negotiation/protocol.py

@@ -14,6 +14,7 @@ class ListItem(WebPacketProtocol):
     item_name: str = Field("", description="상품명")
     model_name: str = Field("", description="모델명")
     maker_name: str = Field("", description="제조사")
+    custom: dict = Field(default_factory=dict, description="협상완료 부가정보 값(sessions.custom). 미입력이면 빈 dict")
 
 
 class Res_SessionList(Res_WebPacketProtocol):
@@ -33,3 +34,11 @@ class Req_Reject(WebPacketProtocol):
 
 class Res_Reject(Res_WebPacketProtocol):
     session_id: str = Field("", description="거부 처리된 세션 uuid")
+
+
+class Req_ExtraInfo(WebPacketProtocol):
+    custom: dict = Field(default_factory=dict, description="협상완료 부가정보 값 {key: value} (회사 정의 session_fields 대로)")
+
+
+class Res_ExtraInfo(Res_WebPacketProtocol):
+    session_id: str = Field("", description="부가정보 저장된 세션 uuid")

backend/router/v1/negotiation/session.py

@@ -6,7 +6,7 @@ from fastapi.security import HTTPAuthorizationCredentials
 from common.models.gmodel import UserInfo
 from router.v1.validator.dependencies import IsValidAccessToken, RemoveNoneResponse, security
 from services.negotiation_service import NegotiationService
-from .protocol import Req_Reject, Res_Participate, Res_Reject, Res_SessionList
+from .protocol import Req_ExtraInfo, Req_Reject, Res_ExtraInfo, Res_Participate, Res_Reject, Res_SessionList
 
 router = APIRouter(prefix="/v1/negotiation", tags=["Negotiation"], responses={404: {"description": "Not found"}})
 
@@ -61,3 +61,19 @@ async def reject(
     service: NegotiationService = Depends(),
 ):
     return RemoveNoneResponse(await service.reject(user_info, credentials.credentials, session_id, req.reject_reason))
+
+
+@router.post(
+    path="/sessions/{session_id}/extra-info",
+    response_model=Res_ExtraInfo,
+    summary="협상완료 부가정보 저장",
+    description="협상 타결(완료) 세션에 부가정보(표준납기/MOQ/발주배수/배송유형 등, 회사 정의 session_fields)를 저장한다. 본인 공급사의 완료 세션만 허용.",
+)
+async def save_extra_info(
+    session_id: str = Path(description="대상 협상 세션 uuid"),
+    req: Req_ExtraInfo = ...,
+    user_info: UserInfo = Depends(IsValidAccessToken),
+    credentials: HTTPAuthorizationCredentials = Depends(security),
+    service: NegotiationService = Depends(),
+):
+    return RemoveNoneResponse(await service.save_extra_info(user_info, credentials.credentials, session_id, req))

backend/services/auth_service.py

@@ -250,6 +250,15 @@ class AuthService:
         res.supplier_id = info.supplier_id
         res.supplier_name = info.supplier_name
         res.role = info.role
+        # 소속 회사 설정(companies.settings) — 로고/서비스명(branding) + 협상완료 부가필드(session_fields). 실패해도 기본값.
+        _e, settings = await DB_SESSION_MNG.execute_lambda(
+            suppliers.DBType(),
+            DBWRType.DB_READ.value,
+            lambda s: self.user_crud.get_company_settings(s, uuid.UUID(info.supplier_id)),
+        )
+        settings = settings or {}
+        res.branding = settings.get("branding") or {}
+        res.session_fields = settings.get("session_fields") or []
         return res
 
     async def popup_status(self, user_info: UserInfo, access_token: str) -> Res_PopupStatus:

backend/services/chat_service.py

@@ -103,13 +103,18 @@ class ChatService:
         )
 
     @staticmethod
-    def _build_bot_chat(sess, seq: int, turn, bot_chat_type: Optional[str] = None, summary: Optional[dict] = None) -> chats:
+    def _build_bot_chat(sess, seq: int, turn, bot_chat_type: Optional[str] = None, summary: Optional[dict] = None, nego_card_uuid=None) -> chats:
         # bot_chat_type/summary 도 meta 에 영속화 → 히스토리 복원 시 폼 재현. indicator_value 는 전용 컬럼에도 적재.
+        # nego_card_uuid: turn.card_id(번호)를 UUID 로 변환한 값(nego 카드). 있으면 chats.card_id/card_type/card_used_yn 컬럼에 적재
+        # → negodata 가 이 컬럼으로 카드 사용/효과를 조인한다. (wild 카드는 agent 가 card_id 미제공 — 별도 작업)
         return chats(
             chat_id=uuid.uuid4(), session_id=sess.session_id, seq=seq,
             sender=ChatSender.BOT.value,
             target_price=int(sess.target_price or 0),
             indicator_value=turn.indicator_value,
+            card_id=nego_card_uuid,
+            card_type=1 if nego_card_uuid else None,   # CardType: 1=nego (wild=2 는 별도)
+            card_used_yn=True if nego_card_uuid else None,
             meta={
                 "script": turn.script, "step": turn.step, "client_step": turn.client_step,
                 "input_mode": turn.input_mode, "input_options": turn.input_options,
@@ -221,6 +226,7 @@ class ChatService:
         res.item_min_order_quantity = item.moq or ""
         res.item_vat_yn = item.vat_yn
         res.item_delivery_fee_yn = item.delivery_fee_yn
+        res.custom = sess.custom or {}
         return res
 
     # ---- messages -------------------------------------------------------
@@ -371,8 +377,16 @@ class ChatService:
             # 유저 미입력 가격 타결 케이스 — 마지막 유저 제시가와 다를 수 있다).
             summary = await self._build_summary(sess, quote, item, final_price, turn.settled_price or last_price)
 
+        # nego 카드 번호(turn.card_id) → UUID 변환. 카드 사용 로그(chats.card_id/type/used)를 negodata 조인용으로 남긴다.
+        nego_card_uuid = None
+        if turn.card_id:
+            nego_card_uuid = await DB_SESSION_MNG.execute_lambda(
+                chats.DBType(), DBWRType.DB_READ.value,
+                lambda s: self.chat_crud.get_nego_card_id_by_number(s, str(turn.card_id)),
+            )
+
         # 봇 메시지 + 종료 시 확정(성공=DONE+입찰가 / 실패=REJECTED+거부사유·제시가). 한 트랜잭션.
-        bot_msg = self._build_bot_chat(sess, seq=max_seq + 2, turn=turn, bot_chat_type=bot_chat_type, summary=summary)
+        bot_msg = self._build_bot_chat(sess, seq=max_seq + 2, turn=turn, bot_chat_type=bot_chat_type, summary=summary, nego_card_uuid=nego_card_uuid)
         funcs = [lambda s: self.chat_crud.insert_message(s, bot_msg)]
         # 가격 입력 턴 → 마지막 제시가를 봇 메시지 저장과 같은 트랜잭션으로 갱신.
         # 앵커링 표본 판정의 "가격 흔적"(가격을 써낸 협상만 집계 — 중간 이탈해도 실패로 측정 가능).

backend/services/negotiation_service.py

@@ -8,7 +8,7 @@ from common.database.model.models import sessions
 from common.enums import DBWRType, ErrorType, QuotationStatus, SessionStatus
 from common.models.gmodel import UserInfo
 from crud.session_crud import ISessionCRUD, SessionCRUD
-from router.v1.negotiation.protocol import ListItem, Res_Participate, Res_Reject, Res_SessionList
+from router.v1.negotiation.protocol import ListItem, Req_ExtraInfo, Res_ExtraInfo, Res_Participate, Res_Reject, Res_SessionList
 from services.auth_service import AuthService
 
 
@@ -65,6 +65,7 @@ class NegotiationService:
                 item_name=r[6] or "",
                 model_name=r[7] or "",
                 maker_name=r[8] or "",
+                custom=r[9] or {},
             )
             for r in rows
         ]
@@ -73,6 +74,53 @@ class NegotiationService:
         res.page_size = page_size
         return res
 
+    async def save_extra_info(self, user_info: UserInfo, access_token: str, session_id_str: str, req: Req_ExtraInfo) -> Res_ExtraInfo:
+        """협상완료(타결) 부가정보 저장. 견적 마감 여부와 무관하게, 본인 공급사의 '협상완료' 세션에만 허용.
+
+        _load_actionable_session 은 견적마감·마감시간을 막으므로(타결 후엔 마감됐을 수 있음) 쓰지 않고 직접 검증한다.
+        """
+        res = Res_ExtraInfo()
+
+        # 1) 인증
+        err_type, info = await self.auth.authenticate(user_info, access_token)
+        if err_type != ErrorType.SUCCESS:
+            res.result.SetResult(err_type)
+            return res
+        try:
+            session_id = uuid.UUID(session_id_str)
+        except (ValueError, TypeError):
+            res.result.SetResult(ErrorType.NEGO_NOT_FOUND)
+            return res
+
+        # 2) 세션 조회 + 소유 검증
+        err_type, sess = await DB_SESSION_MNG.execute_lambda(
+            sessions.DBType(), DBWRType.DB_READ.value,
+            lambda s: self.session_crud.get_session_by_id(s, session_id),
+        )
+        if err_type != ErrorType.SUCCESS or sess is None:
+            res.result.SetResult(ErrorType.NEGO_NOT_FOUND)
+            return res
+        if str(sess.supplier_id) != info.supplier_id:
+            res.result.SetResult(ErrorType.NEGO_FORBIDDEN)
+            return res
+
+        # 3) 협상완료(타결) 세션만 부가정보 입력 허용
+        if sess.status != SessionStatus.DONE.value:
+            res.result.SetResult(ErrorType.NEGO_NOT_PARTICIPABLE)
+            return res
+
+        # 4) 저장(supplier_id 가드 crud)
+        err_type = await DB_SESSION_MNG.execute_lambda_run(
+            [sessions.DBType()],
+            [lambda s: self.session_crud.update_session_custom(s, session_id, uuid.UUID(info.supplier_id), req.custom or {})],
+        )
+        if err_type != ErrorType.SUCCESS:
+            res.result.SetResult(err_type)
+            return res
+
+        res.session_id = str(session_id)
+        return res
+
     async def _load_actionable_session(self, user_info: UserInfo, access_token: str, session_id_str: str, blocked_statuses: tuple):
         """참여/거부 공통 전처리: 인증 → 세션/견적 로드 → 소유·상태·견적마감·마감시간 검증.
         성공 시 (SUCCESS, sess, quote), 실패 시 (err_type, None, None) 을 반환한다.

frontend/src/apis/auth/auth.type.ts

@@ -54,6 +54,20 @@ export interface RefreshTokenResponse {
 }
 
 // --- 내 정보 (GET /v1/auth/me) -------------------------------------------
+export interface Branding {
+  service_name?: string
+  logo_url?: string
+  primary_color?: string
+  email_header?: string
+}
+
+// 협상완료 부가정보 필드 정의(companies.settings.session_fields)
+export interface SessionField {
+  key: string
+  label: string
+  type: 'text' | 'number' | 'boolean'
+}
+
 export interface MeResponse {
   result: ApiResult
   su_id: string
@@ -62,6 +76,8 @@ export interface MeResponse {
   supplier_id: string
   supplier_name: string
   role: number
+  branding?: Branding
+  session_fields?: SessionField[]
 }
 
 // --- 로그아웃 -------------------------------------------------------------
@@ -94,6 +110,8 @@ export interface AuthUser {
   supplierId: string
   supplierName: string
   role: number
+  branding: Branding
+  sessionFields: SessionField[]
 }
 
 export function toAuthUser(res: MeResponse): AuthUser {
@@ -104,5 +122,7 @@ export function toAuthUser(res: MeResponse): AuthUser {
     supplierId: res.supplier_id,
     supplierName: res.supplier_name,
     role: res.role,
+    branding: res.branding ?? {},
+    sessionFields: res.session_fields ?? [],
   }
 }

frontend/src/apis/chat/chat.type.ts

@@ -46,6 +46,7 @@ export interface ChatInitResponse {
   item_min_order_quantity?: string
   item_vat_yn?: boolean
   item_delivery_fee_yn?: boolean
+  custom?: Record<string, unknown>
 }
 
 export interface ChatMessagesResponse {
@@ -98,6 +99,7 @@ export function mapInit(r: ChatInitResponse): ChatInitData {
     item_delivery_fee_yn:
       r.item_delivery_fee_yn == null ? '' : r.item_delivery_fee_yn ? '배송비포함' : '배송비별도',
     item_min_order_quantity: r.item_min_order_quantity ?? '',
+    custom: r.custom ?? {},
     item_lead_time: r.item_lead_time ?? '',
     item_spec: r.item_spec ?? '',
     quotation_memo: r.quotation_memo ?? '',

frontend/src/apis/negotiation/index.ts

@@ -2,5 +2,5 @@
 export { negotiationApi } from './negotiation.api'
 export { negotiationKeys } from './negotiation.keys'
 export { useSessionListQuery } from './negotiation.queries'
-export { useParticipateMutation, useRejectMutation } from './negotiation.mutations'
+export { useParticipateMutation, useRejectMutation, useSaveExtraInfoMutation } from './negotiation.mutations'
 export * from './negotiation.type'

frontend/src/apis/negotiation/negotiation.api.ts

@@ -1,6 +1,8 @@
 // 협상 엔드포인트 호출 함수 (순수 HTTP 레이어, React 의존 없음).
 import { http } from '@/apis/http'
 import type {
+  ExtraInfoRequest,
+  ExtraInfoResponse,
   ParticipateResponse,
   RejectRequest,
   RejectResponse,
@@ -31,4 +33,13 @@ export const negotiationApi = {
     )
     return res.data
   },
+
+  /** POST /v1/negotiation/sessions/{id}/extra-info — 협상완료 부가정보 저장 */
+  saveExtraInfo: async (sessionId: string, body: ExtraInfoRequest): Promise<ExtraInfoResponse> => {
+    const res = await http.post<ExtraInfoResponse>(
+      `/v1/negotiation/sessions/${sessionId}/extra-info`,
+      body,
+    )
+    return res.data
+  },
 }

frontend/src/apis/negotiation/negotiation.mutations.ts

@@ -2,7 +2,7 @@
 import { useMutation, useQueryClient } from '@tanstack/react-query'
 import { negotiationApi } from './negotiation.api'
 import { negotiationKeys } from './negotiation.keys'
-import type { RejectRequest } from './negotiation.type'
+import type { ExtraInfoRequest, RejectRequest } from './negotiation.type'
 
 /**
  * 협상 세션 참여: 성공 시 세션 목록 캐시를 무효화해 상태를 갱신한다.
@@ -30,3 +30,17 @@ export function useRejectMutation() {
     },
   })
 }
+
+/**
+ * 협상완료 부가정보 저장: 성공 시 세션 목록 캐시를 무효화한다.
+ */
+export function useSaveExtraInfoMutation() {
+  const queryClient = useQueryClient()
+  return useMutation({
+    mutationFn: ({ sessionId, request }: { sessionId: string; request: ExtraInfoRequest }) =>
+      negotiationApi.saveExtraInfo(sessionId, request),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: negotiationKeys.sessions() })
+    },
+  })
+}

frontend/src/apis/negotiation/negotiation.type.ts

@@ -55,6 +55,7 @@ export interface SessionListItem {
   item_name: string
   model_name: string
   maker_name: string
+  custom: Record<string, unknown> // 협상완료 부가정보(sessions.custom). 미입력이면 {}
 }
 
 export interface SessionListResponse {
@@ -65,6 +66,15 @@ export interface SessionListResponse {
   page_size: number
 }
 
+// --- 협상완료 부가정보 (POST /v1/negotiation/sessions/{id}/extra-info) -----
+export interface ExtraInfoRequest {
+  custom: Record<string, unknown>
+}
+export interface ExtraInfoResponse {
+  result: ApiResult
+  session_id: string
+}
+
 // --- 참여 (POST /v1/negotiation/sessions/{id}/participate) ----------------
 export interface ParticipateResponse {
   result: ApiResult

frontend/src/components/Logo.tsx

@@ -22,6 +22,9 @@ export interface LogoProps extends Omit<ComponentProps<'div'>, 'children'> {
   size?: LogoSize
   withText?: boolean
   alt?: string
+  /** 회사 브랜딩 오버라이드(companies.settings.branding). 없으면 기본 iMarket Korea. */
+  serviceName?: string
+  logoUrl?: string
 }
 
 export function Logo({
@@ -29,21 +32,24 @@ export function Logo({
   size = 'md',
   withText = true,
   alt = 'iMarket Korea',
+  serviceName,
+  logoUrl,
   className,
   ...props
 }: LogoProps) {
   const s = sizes[size]
+  const name = serviceName || 'iMarket Korea'
 
   return (
     <div className={cn('flex items-center', s.gap, className)} {...props}>
       <img
-        src={sources[variant]}
-        alt={withText ? '' : alt}
+        src={logoUrl || sources[variant]}
+        alt={withText ? '' : (serviceName || alt)}
         className={cn('w-auto select-none', s.img)}
       />
       {withText && (
         <span className={cn('font-bold tracking-[-0.4px] text-foreground', s.text)}>
-          iMarket Korea
+          {name}
         </span>
       )}
     </div>

frontend/src/features/chat/components/ChatMessage.tsx

@@ -6,6 +6,7 @@ import type { ChatMessage as ChatMessageType } from '@/features/chat/types'
 import { renderEmphasis } from '@/features/chat/lib/emphasis'
 import { Indicator } from '@/features/chat/components/templates/Indicator'
 import { Summary } from '@/features/chat/components/templates/Summary'
+import { ExtraInfoForm } from '@/features/chat/components/templates/ExtraInfoForm'
 import { BidSummary } from '@/features/chat/components/templates/BidSummary'
 import { RejectRSP } from '@/features/chat/components/templates/RejectRSP'
 import { RejectCM } from '@/features/chat/components/templates/RejectCM'
@@ -108,7 +109,12 @@ const BotMessage = memo(function BotMessage({ message }: { message: ChatMessageT
         {showIndicator && message.bot_chat_type === 'indicator' && message.indicator_value != null && (
           <Indicator number={message.indicator_value} />
         )}
-        {message.bot_chat_type === 'summaryRSP' && message.summary && <Summary data={message.summary} />}
+        {message.bot_chat_type === 'summaryRSP' && message.summary && (
+          <>
+            <Summary data={message.summary} />
+            <ExtraInfoForm />
+          </>
+        )}
         {message.bot_chat_type === 'summaryCM' && message.summary && (
           <BidSummary
             itemName={message.summary.item_name}

frontend/src/features/chat/components/templates/ExtraInfoForm.tsx

@@ -0,0 +1,109 @@
+import { useEffect, useState } from 'react'
+import { CheckCircle2 } from 'lucide-react'
+import { toast } from 'sonner'
+import { useMeQuery, useSaveExtraInfoMutation, getApiErrorMessage } from '@/apis'
+import type { SessionField } from '@/apis/auth/auth.type'
+import { useChatStore } from '@/features/chat/stores/useChatStore'
+import { useChatInitStore } from '@/features/chat/stores/useChatInitStore'
+
+// 협상 타결(Summary) 직후 부가정보 입력 폼. 필드 정의(session_fields)는 회사 설정(/me)에서 온다.
+// 저장하면 sessions.custom 에 기록되고 negodata 견적상세에 표시된다. 정의가 없으면 렌더하지 않는다.
+export function ExtraInfoForm() {
+  const sessionId = useChatStore((s) => s.sessionId)
+  const { data: user } = useMeQuery()
+  const fields: SessionField[] = user?.sessionFields ?? []
+  const save = useSaveExtraInfoMutation()
+  const existing = useChatInitStore((s) => s.custom) // 기존 입력값(재진입 프리필)
+
+  const [values, setValues] = useState<Record<string, unknown>>({})
+  const [inited, setInited] = useState(false)
+  const [saved, setSaved] = useState(false)
+
+  // fields(회사 설정)와 기존값(sessions.custom)이 준비된 첫 시점에 프리필 — 이후 사용자 편집은 보존.
+  useEffect(() => {
+    if (inited || fields.length === 0) return
+    const init: Record<string, unknown> = {}
+    for (const f of fields) init[f.key] = existing?.[f.key] ?? (f.type === 'boolean' ? false : '')
+    setValues(init)
+    setInited(true)
+  }, [inited, fields, existing])
+
+  if (fields.length === 0) return null
+
+  const set = (key: string, value: unknown) => setValues((v) => ({ ...v, [key]: value }))
+
+  const handleSave = () => {
+    const custom: Record<string, unknown> = {}
+    for (const f of fields) {
+      const v = values[f.key]
+      if (f.type === 'boolean') custom[f.key] = !!v
+      else if (v !== '' && v != null) custom[f.key] = f.type === 'number' ? Number(v) : v
+    }
+    save.mutate(
+      { sessionId, request: { custom } },
+      {
+        onSuccess: () => {
+          setSaved(true)
+          toast.success('부가정보가 저장되었습니다.')
+        },
+        onError: (error) => toast.error(getApiErrorMessage(error, '부가정보 저장에 실패했습니다.')),
+      },
+    )
+  }
+
+  return (
+    <div className="w-full rounded-2xl border border-border bg-white p-5 shadow-sm">
+      <div className="mb-3 flex items-center gap-2">
+        <CheckCircle2 className="size-5 text-brand-600" />
+        <h3 className="text-sm font-bold text-neutral-90">부가정보 입력</h3>
+      </div>
+      <p className="text-sm leading-relaxed text-neutral-70 break-keep">
+        협상이 완료되었습니다. 아래 정보를 입력해 주세요. (저장 후에도 세션 목록에서 수정할 수 있습니다.)
+      </p>
+
+      <div className="mt-4 space-y-4">
+        {fields.map((f) => (
+          <div key={f.key} className="space-y-1.5">
+            <label className="block text-sm font-semibold text-neutral-80">{f.label}</label>
+            {f.type === 'boolean' ? (
+              <button
+                type="button"
+                role="switch"
+                aria-checked={!!values[f.key]}
+                onClick={() => set(f.key, !values[f.key])}
+                disabled={saved}
+                className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors disabled:opacity-50 ${
+                  values[f.key] ? 'bg-brand-600' : 'bg-neutral-30'
+                }`}
+              >
+                <span
+                  className={`inline-block size-5 transform rounded-full bg-white shadow transition-transform ${
+                    values[f.key] ? 'translate-x-5' : 'translate-x-0.5'
+                  }`}
+                />
+              </button>
+            ) : (
+              <input
+                type={f.type === 'number' ? 'number' : 'text'}
+                value={String(values[f.key] ?? '')}
+                onChange={(e) => set(f.key, e.target.value)}
+                disabled={saved}
+                className="h-11 w-full rounded-xl border border-border bg-white px-3 text-sm outline-none focus:border-brand-600 focus:ring-1 focus:ring-brand-600 disabled:bg-neutral-10"
+                placeholder={f.label}
+              />
+            )}
+          </div>
+        ))}
+      </div>
+
+      <button
+        type="button"
+        onClick={handleSave}
+        disabled={save.isPending || saved}
+        className="mt-4 h-11 w-full rounded-xl bg-brand-600 text-sm font-bold text-white transition-colors hover:bg-brand-700 disabled:opacity-50"
+      >
+        {saved ? '저장 완료' : save.isPending ? '저장 중…' : '부가정보 저장'}
+      </button>
+    </div>
+  )
+}

frontend/src/features/chat/stores/useChatInitStore.ts

@@ -29,6 +29,7 @@ const initialState: ChatInitData = {
   item_spec: '',
   quotation_memo: '',
   quotation_end_time: '',
+  custom: {},
 }
 
 export const useChatInitStore = create<ChatInitStore>((set) => ({

frontend/src/features/chat/types.ts

@@ -81,4 +81,5 @@ export type ChatInitData = {
   item_spec: string
   quotation_memo: string
   quotation_end_time: string
+  custom: Record<string, unknown> // 협상완료 부가정보 기존 입력값(프리필용)
 }

frontend/src/features/list/components/ExtraInfoPopup.tsx

@@ -0,0 +1,115 @@
+import { useState } from 'react'
+import { X } from 'lucide-react'
+import { Modal } from '@/components'
+import { useMeQuery } from '@/apis'
+import type { SessionField } from '@/apis/auth/auth.type'
+import type { ListItem } from '../types'
+
+export interface ExtraInfoPopupProps {
+  target: ListItem
+  onClose: () => void
+  /** 부가정보 저장 (custom = {key: value}) */
+  onSubmit: (custom: Record<string, unknown>) => void
+}
+
+// 협상완료 부가정보 입력 팝업. 필드 정의(session_fields)는 회사 설정(/me)에서 오고, 기존 입력값(target.custom)으로 프리필.
+export function ExtraInfoPopup({ target, onClose, onSubmit }: ExtraInfoPopupProps) {
+  const { data: user } = useMeQuery()
+  const fields: SessionField[] = user?.sessionFields ?? []
+
+  const [values, setValues] = useState<Record<string, unknown>>(() => {
+    const init: Record<string, unknown> = {}
+    for (const f of fields) init[f.key] = target.custom?.[f.key] ?? (f.type === 'boolean' ? false : '')
+    return init
+  })
+
+  const set = (key: string, value: unknown) => setValues((v) => ({ ...v, [key]: value }))
+
+  const handleSubmit = () => {
+    // 빈 값은 제외하고 저장(부분 입력 허용)
+    const out: Record<string, unknown> = {}
+    for (const f of fields) {
+      const v = values[f.key]
+      if (f.type === 'boolean') out[f.key] = !!v
+      else if (v !== '' && v != null) out[f.key] = f.type === 'number' ? Number(v) : v
+    }
+    onSubmit(out)
+    onClose()
+  }
+
+  return (
+    <Modal onClose={onClose}>
+      <div className="w-full max-w-md overflow-hidden rounded-2xl border border-border bg-white shadow-xl animate-scale-in">
+        <div className="flex items-center justify-between border-b border-border p-5">
+          <div>
+            <h3 className="text-base font-bold text-neutral-90">협상완료 부가정보</h3>
+            <p className="mt-0.5 text-xs text-neutral-60">{target.qt_number} · {target.item_name}</p>
+          </div>
+          <button
+            type="button"
+            onClick={onClose}
+            aria-label="닫기"
+            className="flex size-8 items-center justify-center rounded-full text-neutral-60 hover:bg-neutral-10"
+          >
+            <X className="size-4" />
+          </button>
+        </div>
+
+        <div className="space-y-4 p-5">
+          {fields.length === 0 ? (
+            <p className="py-6 text-center text-sm text-neutral-60">입력할 부가정보 항목이 없습니다.</p>
+          ) : (
+            fields.map((f) => (
+              <div key={f.key} className="space-y-1.5">
+                <label className="block text-sm font-semibold text-neutral-80">{f.label}</label>
+                {f.type === 'boolean' ? (
+                  <button
+                    type="button"
+                    role="switch"
+                    aria-checked={!!values[f.key]}
+                    onClick={() => set(f.key, !values[f.key])}
+                    className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors ${
+                      values[f.key] ? 'bg-brand-600' : 'bg-neutral-30'
+                    }`}
+                  >
+                    <span
+                      className={`inline-block size-5 transform rounded-full bg-white shadow transition-transform ${
+                        values[f.key] ? 'translate-x-5' : 'translate-x-0.5'
+                      }`}
+                    />
+                  </button>
+                ) : (
+                  <input
+                    type={f.type === 'number' ? 'number' : 'text'}
+                    value={String(values[f.key] ?? '')}
+                    onChange={(e) => set(f.key, e.target.value)}
+                    className="h-11 w-full rounded-xl border border-border bg-white px-3 text-sm outline-none focus:border-brand-600 focus:ring-1 focus:ring-brand-600"
+                    placeholder={f.label}
+                  />
+                )}
+              </div>
+            ))
+          )}
+        </div>
+
+        <div className="flex gap-2 border-t border-border p-5">
+          <button
+            type="button"
+            onClick={onClose}
+            className="h-11 flex-1 rounded-xl border border-border text-sm font-bold text-neutral-70 hover:bg-neutral-10"
+          >
+            취소
+          </button>
+          <button
+            type="button"
+            onClick={handleSubmit}
+            disabled={fields.length === 0}
+            className="h-11 flex-1 rounded-xl bg-brand-600 text-sm font-bold text-white hover:bg-brand-700 disabled:opacity-40"
+          >
+            저장
+          </button>
+        </div>
+      </div>
+    </Modal>
+  )
+}

frontend/src/features/list/components/WorkspaceCards.tsx

@@ -9,10 +9,11 @@ interface WorkspaceCardsProps {
   busyId?: string | null
   onEnter: (item: ListItem) => void
   onReject: (item: ListItem) => void
+  onExtraInfo: (item: ListItem) => void
 }
 
 // 모바일(lg 미만) 협상 목록: 테이블 대신 카드 스택.
-export function WorkspaceCards({ items, isLoading, busyId, onEnter, onReject }: WorkspaceCardsProps) {
+export function WorkspaceCards({ items, isLoading, busyId, onEnter, onReject, onExtraInfo }: WorkspaceCardsProps) {
   if (isLoading) {
     return (
       <div className="flex items-center justify-center py-16">
@@ -27,7 +28,7 @@ export function WorkspaceCards({ items, isLoading, busyId, onEnter, onReject }:
   return (
     <div className="divide-y divide-border">
       {items.map((item) => (
-        <Card key={item.session_id} item={item} busy={busyId === item.session_id} onEnter={onEnter} onReject={onReject} />
+        <Card key={item.session_id} item={item} busy={busyId === item.session_id} onEnter={onEnter} onReject={onReject} onExtraInfo={onExtraInfo} />
       ))}
     </div>
   )
@@ -38,25 +39,26 @@ function Card({
   busy,
   onEnter,
   onReject,
+  onExtraInfo,
 }: {
   item: ListItem
   busy: boolean
   onEnter: (item: ListItem) => void
   onReject: (item: ListItem) => void
+  onExtraInfo: (item: ListItem) => void
 }) {
   const meta = statusMeta(item.session_status)
   const canEnter = !['미참여', '협상거부'].includes(item.session_status)
   const canReject = ['협상생성', '협상중'].includes(item.session_status)
-  const enterLabel = item.session_status === '협상완료' ? '결과 보기' : '협상 입장'
+  const isDone = item.session_status === '협상완료'
+  const enterLabel = isDone ? '결과 보기' : '협상 입장'
+  const hasExtra = item.custom && Object.keys(item.custom).length > 0
 
   return (
     <div className="p-4">
       <div className="flex items-start justify-between gap-3">
         <div className="min-w-0">
           <div className="flex items-center gap-1.5">
-            <span className="rounded-md bg-neutral-20 px-1.5 py-0.5 text-[11px] font-semibold text-neutral-70">
-              {item.qt_type || '-'}
-            </span>
             <span className="truncate font-mono text-[12px] font-semibold text-neutral-70">{item.qt_number || '-'}</span>
           </div>
           <p className="mt-1.5 truncate text-sm font-bold text-neutral-90">{item.item_name || '-'}</p>
@@ -76,8 +78,17 @@ function Card({
         <span>마감 {formatKstDateTime(item.qt_end_time)}</span>
       </div>
 
-      {(canEnter || canReject) && (
+      {(canEnter || canReject || isDone) && (
         <div className="mt-3 flex gap-2">
+          {isDone && (
+            <button
+              type="button"
+              onClick={() => onExtraInfo(item)}
+              className="flex-1 rounded-lg border border-brand-600/40 py-2 text-xs font-bold text-brand-700 transition-all hover:bg-brand-50 active:scale-[0.98]"
+            >
+              {hasExtra ? '부가정보 수정' : '부가정보 입력'}
+            </button>
+          )}
           {canReject && (
             <button
               type="button"

frontend/src/features/list/components/WorkspaceTable.tsx

@@ -10,19 +10,19 @@ interface WorkspaceTableProps {
   busyId?: string | null
   onEnter: (item: ListItem) => void
   onReject: (item: ListItem) => void
+  onExtraInfo: (item: ListItem) => void
 }
 
 const HEAD = 'px-5 py-3.5 text-left text-[11px] font-bold uppercase tracking-wider text-neutral-60 whitespace-nowrap'
 const CELL = 'px-5 py-4 align-middle text-sm text-neutral-80'
 
-export function WorkspaceTable({ items, isLoading, busyId, onEnter, onReject }: WorkspaceTableProps) {
+export function WorkspaceTable({ items, isLoading, busyId, onEnter, onReject, onExtraInfo }: WorkspaceTableProps) {
   return (
     <div className="w-full overflow-x-auto">
       <table className="w-full min-w-[900px] border-collapse">
         <thead>
           <tr className="border-b border-border bg-table-header">
             <th className={HEAD}>견적번호</th>
-            <th className={HEAD}>구분</th>
             <th className={HEAD}>상품</th>
             <th className={HEAD}>제조사</th>
             <th className={cn(HEAD, 'text-center')}>상태</th>
@@ -41,7 +41,7 @@ export function WorkspaceTable({ items, isLoading, busyId, onEnter, onReject }:
             </StateRow>
           ) : (
             items.map((item) => (
-              <Row key={item.session_id} item={item} busy={busyId === item.session_id} onEnter={onEnter} onReject={onReject} />
+              <Row key={item.session_id} item={item} busy={busyId === item.session_id} onEnter={onEnter} onReject={onReject} onExtraInfo={onExtraInfo} />
             ))
           )}
         </tbody>
@@ -55,27 +55,26 @@ function Row({
   busy,
   onEnter,
   onReject,
+  onExtraInfo,
 }: {
   item: ListItem
   busy: boolean
   onEnter: (item: ListItem) => void
   onReject: (item: ListItem) => void
+  onExtraInfo: (item: ListItem) => void
 }) {
   const meta = statusMeta(item.session_status)
   const canEnter = !['미참여', '협상거부'].includes(item.session_status)
   const canReject = ['협상생성', '협상중'].includes(item.session_status)
-  const enterLabel = item.session_status === '협상완료' ? '결과 보기' : '협상 입장'
+  const isDone = item.session_status === '협상완료'
+  const enterLabel = isDone ? '결과 보기' : '협상 입장'
+  const hasExtra = item.custom && Object.keys(item.custom).length > 0
 
   return (
     <tr className="border-b border-border/60 transition-colors last:border-0 hover:bg-table-hover/70">
       <td className={cn(CELL, 'font-mono text-[13px] font-semibold text-neutral-90 whitespace-nowrap')}>
         {item.qt_number || '-'}
       </td>
-      <td className={cn(CELL, 'whitespace-nowrap')}>
-        <span className="rounded-md bg-neutral-20 px-2 py-0.5 text-xs font-semibold text-neutral-70">
-          {item.qt_type || '-'}
-        </span>
-      </td>
       <td className={CELL}>
         <p className="font-semibold text-neutral-90">{item.item_name || '-'}</p>
         <p className="mt-0.5 text-xs text-neutral-60">
@@ -93,6 +92,15 @@ function Row({
       <td className={cn(CELL, 'whitespace-nowrap text-neutral-70')}>{formatKstDateTime(item.qt_end_time)}</td>
       <td className={CELL}>
         <div className="flex items-center justify-end gap-2">
+          {isDone && (
+            <button
+              type="button"
+              onClick={() => onExtraInfo(item)}
+              className="rounded-lg border border-brand-600/40 px-3 py-1.5 text-xs font-bold text-brand-700 transition-all hover:bg-brand-50 active:scale-[0.98]"
+            >
+              {hasExtra ? '부가정보 수정' : '부가정보 입력'}
+            </button>
+          )}
           {canReject && (
             <button
               type="button"
@@ -124,7 +132,7 @@ function Row({
 function StateRow({ children }: { children: ReactNode }) {
   return (
     <tr>
-      <td colSpan={7} className="py-20">
+      <td colSpan={6} className="py-20">
         <div className="flex items-center justify-center">{children}</div>
       </td>
     </tr>

frontend/src/features/list/containers/ListWorkspace.tsx

@@ -2,7 +2,7 @@ import { useState } from 'react'
 import { useNavigate } from 'react-router'
 import { useShallow } from 'zustand/react/shallow'
 import { Search } from 'lucide-react'
-import { getApiErrorMessage, useMeQuery, useParticipateMutation, useRejectMutation } from '@/apis'
+import { getApiErrorMessage, useMeQuery, useParticipateMutation, useRejectMutation, useSaveExtraInfoMutation } from '@/apis'
 import { cn, toast } from '@/lib'
 import { useList } from '@/features/list/hooks/useList'
 import { useListStore } from '@/features/list/stores/useListStore'
@@ -12,6 +12,7 @@ import { WorkspaceTable } from '@/features/list/components/WorkspaceTable'
 import { WorkspaceCards } from '@/features/list/components/WorkspaceCards'
 import { Pagination } from '@/features/list/components/Pagination'
 import { RejectPopup } from '@/features/list/components/RejectPopup'
+import { ExtraInfoPopup } from '@/features/list/components/ExtraInfoPopup'
 import type { ListItem } from '@/features/list/types'
 
 // 상태별 거부 불가 안내
@@ -21,8 +22,6 @@ const REJECT_BLOCKED: Record<string, string> = {
   협상완료: '협상완료 상태인 협상은 거부할 수 없습니다.',
 }
 
-const TYPE_OPTIONS = ['재견적', '재협상', '신규견적', '신규협상']
-
 export function ListWorkspace() {
   const navigate = useNavigate()
   const { data: user } = useMeQuery()
@@ -30,19 +29,19 @@ export function ListWorkspace() {
   const { items, isLoading, totalPages, currentPage, setCurrentPage } = useList()
   const participate = useParticipateMutation()
   const reject = useRejectMutation()
+  const saveExtra = useSaveExtraInfoMutation()
 
-  const { selectedStatus, setStatus, selectedType, setType } = useListStore(
+  const { selectedStatus, setStatus } = useListStore(
     useShallow((s) => ({
       selectedStatus: s.selectedStatus,
       setStatus: s.setStatus,
-      selectedType: s.selectedType,
-      setType: s.setType,
     })),
   )
 
   const [search, setSearch] = useState('')
   const [enteringId, setEnteringId] = useState<string | null>(null)
   const [rejectTarget, setRejectTarget] = useState<ListItem | null>(null)
+  const [extraTarget, setExtraTarget] = useState<ListItem | null>(null)
 
   const handleEnter = (item: ListItem) => {
     setEnteringId(item.session_id)
@@ -75,6 +74,17 @@ export function ListWorkspace() {
     )
   }
 
+  const handleExtraSubmit = (custom: Record<string, unknown>) => {
+    if (!extraTarget) return
+    saveExtra.mutate(
+      { sessionId: extraTarget.session_id, request: { custom } },
+      {
+        onSuccess: () => toast.success('부가정보가 저장되었습니다.'),
+        onError: (error) => toast.error(getApiErrorMessage(error, '부가정보 저장에 실패했습니다.')),
+      },
+    )
+  }
+
   return (
     <div className="space-y-5">
       {/* 환영 배너 */}
@@ -97,18 +107,6 @@ export function ListWorkspace() {
         <div className="flex flex-col gap-3 border-b border-border p-4 lg:flex-row lg:items-center lg:justify-between">
           <StatusTabs selected={selectedStatus} onSelect={setStatus} />
           <div className="flex w-full items-center gap-2 lg:w-auto">
-            <select
-              value={selectedType ?? ''}
-              onChange={(e) => setType(e.target.value || null)}
-              className="h-9 shrink-0 rounded-xl border border-border bg-white px-3 text-xs font-semibold text-neutral-80 outline-none transition-all focus:border-brand-600 focus:ring-1 focus:ring-brand-600"
-            >
-              <option value="">구분 전체</option>
-              {TYPE_OPTIONS.map((t) => (
-                <option key={t} value={t}>
-                  {t}
-                </option>
-              ))}
-            </select>
             <div className="relative flex-1 lg:flex-none">
               <Search className="pointer-events-none absolute left-2.5 top-1/2 size-3.5 -translate-y-1/2 text-neutral-50" />
               <input
@@ -132,6 +130,7 @@ export function ListWorkspace() {
             busyId={participate.isPending ? enteringId : null}
             onEnter={handleEnter}
             onReject={handleReject}
+            onExtraInfo={setExtraTarget}
           />
         </div>
         <div className="lg:hidden">
@@ -141,6 +140,7 @@ export function ListWorkspace() {
             busyId={participate.isPending ? enteringId : null}
             onEnter={handleEnter}
             onReject={handleReject}
+            onExtraInfo={setExtraTarget}
           />
         </div>
 
@@ -152,6 +152,10 @@ export function ListWorkspace() {
       {rejectTarget && (
         <RejectPopup onClose={() => setRejectTarget(null)} onSubmit={handleRejectSubmit} />
       )}
+
+      {extraTarget && (
+        <ExtraInfoPopup target={extraTarget} onClose={() => setExtraTarget(null)} onSubmit={handleExtraSubmit} />
+      )}
     </div>
   )
 }

frontend/src/features/list/hooks/useList.ts

@@ -1,17 +1,16 @@
 import { useMemo } from 'react'
 import { useSessionListQuery } from '@/apis'
 import { useListStore } from '@/features/list/stores/useListStore'
-import { deadlineToOrder, statusLabelToCode, toListItem, typeLabelToCode } from '@/features/list/lib/adapter'
+import { deadlineToOrder, statusLabelToCode, toListItem } from '@/features/list/lib/adapter'
 
 const PAGE_SIZE = 20
 
 // 필터/정렬/페이지는 서버에 위임하고, 응답(정수 코드)을 화면용 라벨로 변환한다.
 export function useList() {
-  const { selectedType, selectedStatus, selectedDeadline, currentPage, setCurrentPage } = useListStore()
+  const { selectedStatus, selectedDeadline, currentPage, setCurrentPage } = useListStore()
 
   const query = useSessionListQuery({
     status: selectedStatus ? statusLabelToCode(selectedStatus) : undefined,
-    qt_type: selectedType ? typeLabelToCode(selectedType) : undefined,
     order: selectedDeadline ? deadlineToOrder(selectedDeadline) : undefined,
     page: currentPage,
     page_size: PAGE_SIZE,

frontend/src/features/list/lib/adapter.ts

@@ -37,5 +37,6 @@ export function toListItem(api: SessionListItem): ListItem {
     item_name: api.item_name,
     model_name: api.model_name,
     maker_name: api.maker_name,
+    custom: api.custom ?? {},
   }
 }

frontend/src/features/list/types.ts

@@ -8,4 +8,5 @@ export type ListItem = {
   item_name: string
   model_name: string
   maker_name: string
+  custom: Record<string, unknown> // 협상완료 부가정보(입력값). 미입력이면 {}
 }

frontend/src/layouts/MainLayout.tsx

@@ -1,5 +1,6 @@
 import { type ReactNode } from 'react'
 import { Logo } from '@/components'
+import { useMeQuery } from '@/apis'
 import { cn } from '@/lib'
 
 // 좌측 폭: list=반응형 비율 / chat=고정폭 단계 축소
@@ -43,11 +44,12 @@ export function MainLayout({
   header,
   children,
 }: MainLayoutProps) {
+  const { data: user } = useMeQuery() // 회사 브랜딩(서비스명/로고) 주입
   const panes = (
     <>
       <aside className={cn(styles.sidebar, SIDEBAR_WIDTH[sidebarWidth])}>
         <div className={styles.logoHeader}>
-          <Logo size="sm" />
+          <Logo size="sm" serviceName={user?.branding?.service_name} logoUrl={user?.branding?.logo_url} />
           {logoAction}
         </div>
         {sidebar}

frontend/src/layouts/PortalHeader.tsx

@@ -15,7 +15,7 @@ export function PortalHeader() {
 
   return (
     <header className="sticky top-0 z-40 flex h-16 items-center justify-between border-b border-border bg-white/90 px-4 shadow-sm backdrop-blur sm:px-6">
-      <Logo size="md" />
+      <Logo size="md" serviceName={user?.branding?.service_name} logoUrl={user?.branding?.logo_url} />
 
       <div className="flex items-center gap-2 sm:gap-3">
         <button