[feat] 공급사 포털: 협상완료 부가정보(select·종료 동의폼)·상태 라벨 통일·예아니오 Enter=예·목록 결과열·재협상 요청/철회 API·테스트

backend/common/database/model/models.py

@@ -173,6 +173,7 @@ class quotations(MAIN_BASE):
     preferred_sp_yn = Column(Boolean, nullable=True)                                                                 # 선호 공급사 지정 여부
     preferred_sp_id = Column(UUID(as_uuid=True), nullable=True)                                                      # 선호 공급사(partner.suppliers.supplier_id)
     preferred_sp_name = Column(String(20), nullable=True)                                                            # 선호 공급사명(스냅샷)
+    close_reason = Column(SmallInteger, nullable=True)                                                               # 마감 사유(CloseReason). 재협상 요청 자격 판정에 읽는다
     equal_bid_yn = Column(Boolean, nullable=True)                                                                    # 동일가 입찰 발생 여부
     equal_bid_data = Column(JSONB, nullable=True)                                                                    # 동일가 입찰 상세(JSON)
     created_at = Column(DateTime(timezone=True), nullable=False, server_default=text("(now() AT TIME ZONE 'utc')"))  # 생성 시각(UTC)
@@ -180,6 +181,28 @@ class quotations(MAIN_BASE):
     deleted = Column(Boolean, nullable=False, server_default=text("false"))                                          # 소프트 삭제 여부
 
 
+class notifications(MAIN_BASE):
+    # company.notifications (담당자 인박스). 포털은 재협상 요청 알림을 만들기 위해서만 쓴다(조회는 negodata).
+    # company 스키마 전용 DBType 이 없어 USER 커넥션을 재사용한다(물리 DB 동일).
+    @staticmethod
+    def DBType():
+        return DBType.USER.value
+
+    __tablename__ = "notifications"
+    __table_args__ = {"schema": "company"}
+
+    notification_id = Column(UUID(as_uuid=True), primary_key=True, server_default=text("gen_random_uuid()"))
+    user_id = Column(UUID(as_uuid=True), nullable=False)                                                             # 수신자(company.users.user_id) = 견적 작성자
+    type = Column(SmallInteger, nullable=False)                                                                      # NotificationType
+    ref_qt_id = Column(UUID(as_uuid=True), nullable=True)
+    ref_session_id = Column(UUID(as_uuid=True), nullable=True)
+    data = Column(JSONB, nullable=True)                                                                              # 렌더 스냅샷(공급사명·사유·희망가 등)
+    read_at = Column(DateTime(timezone=True), nullable=True)
+    created_at = Column(DateTime(timezone=True), nullable=False, server_default=text("(now() AT TIME ZONE 'utc')"))
+    updated_at = Column(DateTime(timezone=True), nullable=False, server_default=text("(now() AT TIME ZONE 'utc')"), onupdate=text("(now() AT TIME ZONE 'utc')"))
+    deleted = Column(Boolean, nullable=False, server_default=text("false"))
+
+
 class quotation_settings(MAIN_BASE):
     # quotation.quotation_settings (견적 설정). 견적 설정 스냅샷 — anchoring_value 는 구(舊) 앵커 산출용으로 채팅 경로에서는 더 이상 사용하지 않음(앵커는 sessions.anchoring_price 박제값).
     @staticmethod

backend/common/enums.py

@@ -130,6 +130,41 @@ class QuotationStatus(Enum):
     CLOSED = 3       # 견적마감
 
 
+class CloseReason(Enum):
+    """견적 마감 사유. quotation.quotations.close_reason
+    낙찰(AWARDED) 외 OPEN_* 는 낙찰자 미정으로 마감된 '결렬' 건 — 공급사 재협상 요청 대상."""
+
+    AWARDED = 1      # 낙찰
+    OPEN_PRICE = 5   # 개찰: 낙찰 기준 미달
+    OPEN_EQUAL = 6   # 개찰: 동가
+    OPEN_NOSHOW = 7  # 개찰: 전원 미응찰
+    OPEN_REJECT = 8  # 개찰: 협상거부 존재
+
+
+# 재협상 요청 가능한 마감 사유(낙찰 건은 제외).
+RENEGOTIABLE_CLOSE_REASONS = (
+    CloseReason.OPEN_PRICE.value,
+    CloseReason.OPEN_EQUAL.value,
+    CloseReason.OPEN_NOSHOW.value,
+    CloseReason.OPEN_REJECT.value,
+)
+
+
+class RenegotiationStatus(Enum):
+    """sessions.custom.renegotiation.status — 공급사 재협상 요청 상태(IMK #15)."""
+
+    PENDING = 1    # 접수, 담당자 심사 대기
+    APPROVED = 2   # 승인 — 다음 라운드 생성됨
+    REJECTED = 3   # 반려
+    CANCELED = 4   # 공급사 철회
+
+
+class NotificationType(Enum):
+    """company.notifications.type — negodata 담당자 인박스. 포털에서 만드는 건 재협상 요청뿐."""
+
+    RENEGO_REQUESTED = 5
+
+
 class ChatSender(Enum):
     """채팅 발신자 코드. negotiation.chats.sender """
 

backend/crud/session_crud.py

@@ -1,12 +1,13 @@
 from abc import ABC, abstractmethod
 from typing import Tuple
 
-from sqlalchemy import case, func, nulls_last, select, update
+from sqlalchemy import case, cast, func, nulls_last, or_, select, text, update
+from sqlalchemy.dialects.postgresql import JSONB
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from common.database.db_session_manager import DB_SESSION_MNG
 from common.database.model.models import items, quotations, sessions
-from common.enums import ErrorType, SessionStatus
+from common.enums import CloseReason, ErrorType, QuotationStatus, RENEGOTIABLE_CLOSE_REASONS, SessionStatus
 from common.logger import LOG
 
 
@@ -14,11 +15,11 @@ from common.logger import LOG
 # 마감일(qt_end_time)은 견적(quotation.end_time)이 진실값이다(session.end_time 은 협상 종료 시점 기록용).
 class ISessionCRUD(ABC):
     @abstractmethod
-    async def list_by_supplier(self, cdb: AsyncSession, supplier_id, status, qt_type, order, offset, limit) -> Tuple[ErrorType, list]:
+    async def list_by_supplier(self, cdb: AsyncSession, supplier_id, status, qt_type, order, offset, limit, keyword=None, result=None) -> Tuple[ErrorType, list]:
         pass
 
     @abstractmethod
-    async def count_by_supplier(self, cdb: AsyncSession, supplier_id, status, qt_type) -> Tuple[ErrorType, int]:
+    async def count_by_supplier(self, cdb: AsyncSession, supplier_id, status, qt_type, keyword=None, result=None) -> Tuple[ErrorType, int]:
         pass
 
     @abstractmethod
@@ -45,20 +46,59 @@ class ISessionCRUD(ABC):
     async def update_session_custom(self, cdb: AsyncSession, session_id, supplier_id, custom: dict) -> ErrorType:
         pass
 
+    @abstractmethod
+    async def chain_max_round(self, cdb: AsyncSession, number: str) -> Tuple[ErrorType, int]:
+        # 같은 견적번호(체인)의 최대 차수. 이미 다음 라운드가 있으면 재협상 요청은 의미가 없다.
+        try:
+            query = select(func.max(quotations.round)).where(quotations.number == number, quotations.deleted == False)  # noqa: E712
+            err_type, rows = await DB_SESSION_MNG.execute(cdb, query)
+            if err_type != ErrorType.SUCCESS:
+                return err_type, 0
+            top = rows[0][0] if rows and rows[0] else None
+            return ErrorType.SUCCESS, int(top or 0)
+        except Exception as ex:
+            LOG.e_no_callstack(ex)
+            return ErrorType.DB_RUN_FAILED, 0
+
+    async def merge_session_custom(self, cdb: AsyncSession, session_id, supplier_id, patch: dict) -> ErrorType:
+        pass
+
+    @abstractmethod
+    async def chain_max_round(self, cdb: AsyncSession, number: str) -> Tuple[ErrorType, int]:
+        pass
+
 
 class SessionCRUD(ISessionCRUD):
     @staticmethod
-    def __filters(supplier_id, status, qt_type):
+    def __filters(supplier_id, status, qt_type, keyword=None, result=None):
         conds = [sessions.supplier_id == supplier_id, sessions.deleted == False]  # noqa: E712
         if status is not None:
             conds.append(sessions.status == status)
         if qt_type is not None:
             conds.append(sessions.qt_type == qt_type)
+        # 검색: 견적번호·상품명·상품코드 부분일치(대소문자 무시). items 는 목록/카운트 둘 다 조인돼 있다.
+        # ILIKE 와일드카드(%,_)는 escape 해 사용자 입력이 패턴으로 새지 않게 한다.
+        if keyword and keyword.strip():
+            kw = keyword.strip().replace("\\", "\\\\").replace("%", "\\%").replace("_", "\\_")
+            like = f"%{kw}%"
+            conds.append(or_(sessions.qt_number.ilike(like), items.name.ilike(like), items.code.ilike(like)))
+        # 결과(SessionResult) 필터 — _to_result 파생 규칙을 SQL WHERE 로 그대로 복제(집계·필터 일치용).
+        # 1=낙찰 2=미낙찰 3=결렬(개찰). 전부 견적 마감(CLOSED) 이 전제.
+        if result in (1, 2, 3):
+            conds.append(quotations.status == QuotationStatus.CLOSED.value)
+            if result == 1:
+                conds.append(quotations.close_reason == CloseReason.AWARDED.value)
+                conds.append(quotations.preferred_sp_id == sessions.supplier_id)
+            elif result == 2:
+                conds.append(quotations.close_reason == CloseReason.AWARDED.value)
+                conds.append(or_(quotations.preferred_sp_id.is_(None), quotations.preferred_sp_id != sessions.supplier_id))
+            else:
+                conds.append(quotations.close_reason.in_(RENEGOTIABLE_CLOSE_REASONS))
         return conds
 
-    async def list_by_supplier(self, cdb: AsyncSession, supplier_id, status, qt_type, order, offset, limit) -> Tuple[ErrorType, list]:
+    async def list_by_supplier(self, cdb: AsyncSession, supplier_id, status, qt_type, order, offset, limit, keyword=None, result=None) -> Tuple[ErrorType, list]:
         try:
-            conds = self.__filters(supplier_id, status, qt_type)
+            conds = self.__filters(supplier_id, status, qt_type, keyword, result)
 
             # 정렬 규칙:
             #  - order 를 명시(asc/desc)하면 그룹 구분 없이 전체를 마감 기준 한 줄로 정렬(전체 정렬).
@@ -91,6 +131,11 @@ class SessionCRUD(ISessionCRUD):
                     items.model_name,
                     items.manufacturer,
                     sessions.custom,
+                    quotations.status,        # 재협상 요청 자격 판정용(마감 여부)
+                    quotations.close_reason,  # 개찰(결렬) 사유
+                    quotations.round,
+                    quotations.preferred_sp_id,  # 낙찰자(공급사) — 나와 같으면 낙찰, 다르면 미낙찰
+                    sessions.supplier_id,        # 이 세션 소유 공급사(=조회자). 낙찰자와 대조
                 )
                 .join(items, items.item_id == sessions.item_id)
                 .join(quotations, quotations.qt_id == sessions.quotation_id)
@@ -107,9 +152,9 @@ class SessionCRUD(ISessionCRUD):
             LOG.e_no_callstack(ex)
             return ErrorType.DB_RUN_FAILED, []
 
-    async def count_by_supplier(self, cdb: AsyncSession, supplier_id, status, qt_type) -> Tuple[ErrorType, int]:
+    async def count_by_supplier(self, cdb: AsyncSession, supplier_id, status, qt_type, keyword=None, result=None) -> Tuple[ErrorType, int]:
         try:
-            conds = self.__filters(supplier_id, status, qt_type)
+            conds = self.__filters(supplier_id, status, qt_type, keyword, result)
             query = (
                 select(func.count())
                 .select_from(sessions)
@@ -179,6 +224,32 @@ class SessionCRUD(ISessionCRUD):
             LOG.e_no_callstack(ex)
             return ErrorType.DB_RUN_FAILED
 
+    async def chain_max_round(self, cdb: AsyncSession, number: str) -> Tuple[ErrorType, int]:
+        # 같은 견적번호(체인)의 최대 차수. 이미 다음 라운드가 있으면 재협상 요청은 의미가 없다.
+        try:
+            query = select(func.max(quotations.round)).where(quotations.number == number, quotations.deleted == False)  # noqa: E712
+            err_type, rows = await DB_SESSION_MNG.execute(cdb, query)
+            if err_type != ErrorType.SUCCESS:
+                return err_type, 0
+            top = rows[0][0] if rows and rows[0] else None
+            return ErrorType.SUCCESS, int(top or 0)
+        except Exception as ex:
+            LOG.e_no_callstack(ex)
+            return ErrorType.DB_RUN_FAILED, 0
+
+    async def merge_session_custom(self, cdb: AsyncSession, session_id, supplier_id, patch: dict) -> ErrorType:
+        # sessions.custom 부분 갱신(기존 키 보존). 부가정보와 재협상 요청이 같은 컬럼을 쓰므로 덮어쓰면 안 된다.
+        try:
+            query = (
+                update(sessions)
+                .where(sessions.session_id == session_id, sessions.supplier_id == supplier_id)
+                .values(custom=func.coalesce(sessions.custom, cast(text("'{}'"), JSONB)).op("||")(cast(patch, JSONB)))
+            )
+            return await DB_SESSION_MNG.add(cdb, query)
+        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:

backend/router/v1/negotiation/protocol.py

@@ -1,3 +1,5 @@
+from typing import Optional
+
 from pydantic import Field
 
 from common.models.gmodel import Res_WebPacketProtocol, WebPacketProtocol
@@ -15,6 +17,10 @@ class ListItem(WebPacketProtocol):
     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")
+    renegotiable: bool = Field(False, description="재협상 요청 가능 여부 — 낙찰 없이 마감(개찰)된 마지막 차수이고 대기 중 요청이 없을 때만 True")
+    renegotiation_status: int = Field(0, description="현재 재협상 요청 상태(RenegotiationStatus). 요청 이력이 없으면 0")
+    renegotiation_memo: str = Field("", description="담당자 심사 메모(반려 사유). 없으면 빈 문자열")
+    result: int = Field(0, description="공급사 관점 협상 결과(SessionResult): 0=미정 1=낙찰 2=미낙찰 3=결렬(개찰, 재협상 대상)")
 
 
 class Res_SessionList(Res_WebPacketProtocol):
@@ -42,3 +48,13 @@ class Req_ExtraInfo(WebPacketProtocol):
 
 class Res_ExtraInfo(Res_WebPacketProtocol):
     session_id: str = Field("", description="부가정보 저장된 세션 uuid")
+
+
+class Req_Renegotiation(WebPacketProtocol):
+    reason: str = Field("", max_length=255, description="재협상 요청 사유(프리셋 라벨 또는 직접 입력)")
+    desired_price: Optional[int] = Field(None, description="희망 공급가(원). 담당자 판단 근거로만 쓰인다")
+
+
+class Res_Renegotiation(Res_WebPacketProtocol):
+    session_id: str = Field("", description="요청이 기록된 세션 uuid")
+    status: int = Field(0, description="요청 상태(RenegotiationStatus): 1=심사중 2=승인 3=반려 4=철회")

backend/router/v1/negotiation/session.py

@@ -6,7 +6,16 @@ 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_ExtraInfo, Req_Reject, Res_ExtraInfo, Res_Participate, Res_Reject, Res_SessionList
+from .protocol import (
+    Req_ExtraInfo,
+    Req_Reject,
+    Req_Renegotiation,
+    Res_ExtraInfo,
+    Res_Participate,
+    Res_Reject,
+    Res_Renegotiation,
+    Res_SessionList,
+)
 
 router = APIRouter(prefix="/v1/negotiation", tags=["Negotiation"], responses={404: {"description": "Not found"}})
 
@@ -26,9 +35,11 @@ async def list_sessions(
     order: Optional[str] = Query(None, description="마감일 전체 정렬: asc(임박순)/desc(여유순). 미지정 시 기본 그룹 정렬('할 일' 우선 → 종료는 하단·최근순). 지정하면 그룹 없이 전체를 마감 기준으로 정렬."),
     page: int = Query(1, ge=1, description="페이지 (1부터)"),
     page_size: int = Query(20, ge=1, le=100, description="페이지당 건수 (1~100)"),
+    keyword: Optional[str] = Query(None, description="검색어 — 견적번호·상품명·상품코드 부분일치(대소문자 무시)"),
+    result: Optional[int] = Query(None, description="결과 필터(SessionResult): 1=낙찰 2=미낙찰 3=결렬(개찰). 미지정 시 전체"),
 ):
     return RemoveNoneResponse(
-        await service.list_sessions(user_info, credentials.credentials, status, qt_type, order, page, page_size)
+        await service.list_sessions(user_info, credentials.credentials, status, qt_type, order, page, page_size, keyword, result)
     )
 
 
@@ -77,3 +88,38 @@ async def save_extra_info(
     service: NegotiationService = Depends(),
 ):
     return RemoveNoneResponse(await service.save_extra_info(user_info, credentials.credentials, session_id, req))
+
+
+@router.post(
+    path="/session/{session_id}/renegotiation",
+    response_model=Res_Renegotiation,
+    summary="재협상 요청",
+    description="낙찰 없이 마감된(개찰) 건에 대해 공급사가 재협상을 요청한다. 담당자 승인 시 다음 라운드가 생성된다. 본인 공급사의 마지막 라운드 세션만 허용.",
+)
+async def request_renegotiation(
+    req: Req_Renegotiation,
+    session_id: str = Path(..., description="협상 세션 uuid"),
+    user_info: UserInfo = Depends(IsValidAccessToken),
+    credentials: HTTPAuthorizationCredentials = Depends(security),
+    service: NegotiationService = Depends(),
+):
+    return RemoveNoneResponse(
+        await service.request_renegotiation(user_info, credentials.credentials, session_id, req)
+    )
+
+
+@router.delete(
+    path="/session/{session_id}/renegotiation",
+    response_model=Res_Renegotiation,
+    summary="재협상 요청 철회",
+    description="심사 대기(PENDING) 중인 본인 요청을 철회한다.",
+)
+async def cancel_renegotiation(
+    session_id: str = Path(..., description="협상 세션 uuid"),
+    user_info: UserInfo = Depends(IsValidAccessToken),
+    credentials: HTTPAuthorizationCredentials = Depends(security),
+    service: NegotiationService = Depends(),
+):
+    return RemoveNoneResponse(
+        await service.cancel_renegotiation(user_info, credentials.credentials, session_id)
+    )

backend/services/negotiation_service.py

@@ -4,12 +4,31 @@ from datetime import datetime, timezone
 from fastapi import Depends
 
 from common.database.db_session_manager import DB_SESSION_MNG
-from common.database.model.models import chats, sessions
+from common.database.model.models import chats, notifications, sessions
-from common.enums import DBWRType, ErrorType, QuotationStatus, SessionStatus
+from common.enums import (
+    CloseReason,
+    DBWRType,
+    ErrorType,
+    NotificationType,
+    QuotationStatus,
+    RENEGOTIABLE_CLOSE_REASONS,
+    RenegotiationStatus,
+    SessionStatus,
+)
+from common.logger import LOG
 from common.models.gmodel import UserInfo
 from crud.chat_crud import ChatCRUD, IChatCRUD
 from crud.session_crud import ISessionCRUD, SessionCRUD
-from router.v1.negotiation.protocol import ListItem, Req_ExtraInfo, Res_ExtraInfo, Res_Participate, Res_Reject, Res_SessionList
+from router.v1.negotiation.protocol import (
+    ListItem,
+    Req_ExtraInfo,
+    Req_Renegotiation,
+    Res_ExtraInfo,
+    Res_Participate,
+    Res_Reject,
+    Res_Renegotiation,
+    Res_SessionList,
+)
 from services.auth_service import AuthService
 
 
@@ -32,7 +51,7 @@ class NegotiationService:
         self.session_crud = session_crud
         self.chat_crud = chat_crud
 
-    async def list_sessions(self, user_info: UserInfo, access_token: str, status, qt_type, order: str, page: int, page_size: int) -> Res_SessionList:
+    async def list_sessions(self, user_info: UserInfo, access_token: str, status, qt_type, order: str, page: int, page_size: int, keyword: str = None, result: int = None) -> Res_SessionList:
         res = Res_SessionList()
 
         # 1) 인증 (활성 + 저장된 access 토큰 대조)
@@ -48,7 +67,7 @@ class NegotiationService:
         err_type, rows = await DB_SESSION_MNG.execute_lambda(
             sessions.DBType(),
             DBWRType.DB_READ.value,
-            lambda s: self.session_crud.list_by_supplier(s, supplier_id, status, qt_type, order, offset, page_size),
+            lambda s: self.session_crud.list_by_supplier(s, supplier_id, status, qt_type, order, offset, page_size, keyword, result),
         )
         if err_type != ErrorType.SUCCESS:
             res.result.SetResult(err_type)
@@ -58,27 +77,22 @@ class NegotiationService:
         err_type, total = await DB_SESSION_MNG.execute_lambda(
             sessions.DBType(),
             DBWRType.DB_READ.value,
-            lambda s: self.session_crud.count_by_supplier(s, supplier_id, status, qt_type),
+            lambda s: self.session_crud.count_by_supplier(s, supplier_id, status, qt_type, keyword, result),
         )
         if err_type != ErrorType.SUCCESS:
             res.result.SetResult(err_type)
             return res
 
-        res.items = [
+        # 같은 견적번호(체인)의 최대 차수 — 이미 다음 라운드가 있으면 재협상 요청 대상이 아니다.
-            ListItem(
+        max_rounds: dict = {}
-                session_id=str(r[0]),
+        for number in {r[3] for r in rows if r[3]}:
-                session_status=r[1],
+            _e, mx = await DB_SESSION_MNG.execute_lambda(
-                qt_type=r[2],
+                sessions.DBType(), DBWRType.DB_READ.value,
-                qt_number=r[3],
+                lambda s, n=number: self.session_crud.chain_max_round(s, n),
-                qt_end_time=r[4].isoformat(timespec="seconds") if r[4] else "",
-                item_code=r[5] or "",
-                item_name=r[6] or "",
-                model_name=r[7] or "",
-                maker_name=r[8] or "",
-                custom=r[9] or {},
             )
-            for r in rows
+            max_rounds[number] = mx or 0
-        ]
+
+        res.items = [self._to_list_item(r, max_rounds) for r in rows]
         res.total = total
         res.page = page
         res.page_size = page_size
@@ -134,6 +148,190 @@ class NegotiationService:
         res.session_id = str(session_id)
         return res
 
+    @staticmethod
+    def _to_list_item(r, max_rounds: dict) -> ListItem:
+        """세션 행 → 목록 아이템. 재협상 요청 가능 여부는 서버가 판정해 내려준다(프론트가 규칙을 몰라도 되게)."""
+        custom = r[9] or {}
+        renego = custom.get("renegotiation") or {}
+        status = renego.get("status") or 0
+
+        is_last_round = (r[12] or 0) >= max_rounds.get(r[3], 0)
+        renegotiable = (
+            r[10] == QuotationStatus.CLOSED.value
+            and r[11] in RENEGOTIABLE_CLOSE_REASONS
+            and is_last_round
+            and status
+            not in (
+                RenegotiationStatus.PENDING.value,
+                RenegotiationStatus.APPROVED.value,
+                RenegotiationStatus.REJECTED.value,
+            )
+        )
+        return ListItem(
+            session_id=str(r[0]),
+            session_status=r[1],
+            qt_type=r[2],
+            qt_number=r[3],
+            qt_end_time=r[4].isoformat(timespec="seconds") if r[4] else "",
+            item_code=r[5] or "",
+            item_name=r[6] or "",
+            model_name=r[7] or "",
+            maker_name=r[8] or "",
+            custom=custom,
+            renegotiable=renegotiable,
+            renegotiation_status=status,
+            renegotiation_memo=renego.get("memo") or "",
+            result=NegotiationService._to_result(r[10], r[11], r[13], r[14]),
+        )
+
+    @staticmethod
+    def _to_result(qt_status, close_reason, winner_id, my_id) -> int:
+        """공급사 관점 협상 결과(SessionResult). 견적 마감 전이면 0(미정).
+        낙찰 건은 낙찰자가 나면 1(낙찰)·아니면 2(미낙찰), 개찰(OPEN_*) 마감은 3(결렬=재협상 대상)."""
+        if qt_status != QuotationStatus.CLOSED.value:
+            return 0
+        if close_reason == CloseReason.AWARDED.value:
+            return 1 if winner_id is not None and str(winner_id) == str(my_id) else 2
+        if close_reason in RENEGOTIABLE_CLOSE_REASONS:
+            return 3
+        return 0
+
+    async def request_renegotiation(
+        self, user_info: UserInfo, access_token: str, session_id_str: str, req: Req_Renegotiation
+    ) -> Res_Renegotiation:
+        """결렬(개찰) 마감 건에 대해 공급사가 재협상을 요청한다(IMK #15).
+        전용 테이블 없이 sessions.custom.renegotiation 에 기록하고, 견적 작성자에게 알림을 남긴다."""
+        res = Res_Renegotiation()
+
+        err_type, info, sess, quote = await self._load_renegotiable(user_info, access_token, session_id_str)
+        if err_type != ErrorType.SUCCESS:
+            res.result.SetResult(err_type)
+            return res
+
+        # 심사 대기·승인·반려 건은 재요청을 막는다(전용 테이블이 없어 유니크 대신 여기서 검증).
+        # 반려는 담당자가 이미 판단한 결과라 같은 건으로 다시 올릴 수 없다. 철회(CANCELED)만 재요청 허용.
+        current = (sess.custom or {}).get("renegotiation") or {}
+        if current.get("status") in (
+            RenegotiationStatus.PENDING.value,
+            RenegotiationStatus.APPROVED.value,
+            RenegotiationStatus.REJECTED.value,
+        ):
+            res.result.SetResult(ErrorType.NEGO_NOT_PARTICIPABLE)
+            return res
+
+        payload = {
+            "status": RenegotiationStatus.PENDING.value,
+            "reason": (req.reason or "").strip(),
+            "desired_price": req.desired_price,
+            "requested_at": datetime.now(timezone.utc).isoformat(),
+        }
+        err_type = await DB_SESSION_MNG.execute_lambda_run(
+            [sessions.DBType()],
+            [lambda s: self.session_crud.merge_session_custom(
+                s, sess.session_id, uuid.UUID(info.supplier_id), {"renegotiation": payload}
+            )],
+        )
+        if err_type != ErrorType.SUCCESS:
+            res.result.SetResult(err_type)
+            return res
+
+        await self._notify_renegotiation(quote, sess, info, payload)
+        res.session_id = str(sess.session_id)
+        res.status = RenegotiationStatus.PENDING.value
+        return res
+
+    async def cancel_renegotiation(self, user_info: UserInfo, access_token: str, session_id_str: str) -> Res_Renegotiation:
+        """공급사가 자기 요청을 철회한다. 심사 대기(PENDING) 중에만 가능."""
+        res = Res_Renegotiation()
+
+        err_type, info, sess, _quote = await self._load_renegotiable(user_info, access_token, session_id_str)
+        if err_type != ErrorType.SUCCESS:
+            res.result.SetResult(err_type)
+            return res
+
+        current = (sess.custom or {}).get("renegotiation") or {}
+        if current.get("status") != RenegotiationStatus.PENDING.value:
+            res.result.SetResult(ErrorType.NEGO_NOT_PARTICIPABLE)
+            return res
+
+        patch = {**current, "status": RenegotiationStatus.CANCELED.value}
+        err_type = await DB_SESSION_MNG.execute_lambda_run(
+            [sessions.DBType()],
+            [lambda s: self.session_crud.merge_session_custom(
+                s, sess.session_id, uuid.UUID(info.supplier_id), {"renegotiation": patch}
+            )],
+        )
+        if err_type != ErrorType.SUCCESS:
+            res.result.SetResult(err_type)
+            return res
+
+        res.session_id = str(sess.session_id)
+        res.status = RenegotiationStatus.CANCELED.value
+        return res
+
+    async def _load_renegotiable(self, user_info: UserInfo, access_token: str, session_id_str: str):
+        """재협상 요청 자격 검증 — 인증 → 본인 세션 → 결렬(개찰) 마감 → 마지막 라운드.
+        성공 시 (SUCCESS, info, sess, quote)."""
+        err_type, info = await self.auth.authenticate(user_info, access_token)
+        if err_type != ErrorType.SUCCESS:
+            return err_type, None, None, None
+        try:
+            session_id = uuid.UUID(session_id_str)
+        except (ValueError, TypeError):
+            return ErrorType.NEGO_NOT_FOUND, None, None, None
+
+        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:
+            return ErrorType.NEGO_NOT_FOUND, None, None, None
+        if str(sess.supplier_id) != info.supplier_id:
+            return ErrorType.NEGO_FORBIDDEN, None, None, None
+
+        err_type, quote = await DB_SESSION_MNG.execute_lambda(
+            sessions.DBType(), DBWRType.DB_READ.value,
+            lambda s: self.session_crud.get_quotation_by_id(s, sess.quotation_id),
+        )
+        if err_type != ErrorType.SUCCESS or quote is None:
+            return ErrorType.NEGO_NOT_FOUND, None, None, None
+
+        # 낙찰됐거나 아직 진행 중인 건은 요청 대상이 아니다.
+        if quote.status != QuotationStatus.CLOSED.value or quote.close_reason not in RENEGOTIABLE_CLOSE_REASONS:
+            return ErrorType.NEGO_NOT_PARTICIPABLE, None, None, None
+
+        # 이미 다음 라운드가 만들어졌으면 요청할 이유가 없다.
+        _e, max_round = await DB_SESSION_MNG.execute_lambda(
+            sessions.DBType(), DBWRType.DB_READ.value,
+            lambda s: self.session_crud.chain_max_round(s, quote.number),
+        )
+        if max_round and quote.round < max_round:
+            return ErrorType.NEGO_NOT_PARTICIPABLE, None, None, None
+
+        return ErrorType.SUCCESS, info, sess, quote
+
+    async def _notify_renegotiation(self, quote, sess, info, payload: dict) -> None:
+        """견적 작성자 인박스에 재협상 요청 알림을 남긴다. 부가 효과라 실패해도 본 흐름을 막지 않는다."""
+        notif = notifications(
+            user_id=quote.user_id,
+            type=NotificationType.RENEGO_REQUESTED.value,
+            ref_qt_id=quote.qt_id,
+            ref_session_id=sess.session_id,
+            data={
+                "supplier_name": info.supplier_name,
+                "qt_number": quote.number,
+                "qt_round": quote.round,
+                "reason": payload.get("reason"),
+                "desired_price": payload.get("desired_price"),
+            },
+        )
+        err = await DB_SESSION_MNG.execute_lambda_run(
+            [notifications.DBType()],
+            [lambda s: DB_SESSION_MNG.insert(s, notif, raise_error=False)],
+        )
+        if err != ErrorType.SUCCESS:
+            LOG.e_no_callstack(f"[renego] 알림 기록 실패 qt={quote.qt_id} session={sess.session_id}")
+
     async def _is_after_summary(self, session_id) -> bool:
         """마지막 말풍선이 타결 요약(summaryRSP/CM)인지 — 즉 협상이 타결된 뒤인지."""
         err_type, (_, _, last_meta) = await DB_SESSION_MNG.execute_lambda(

backend/tests/test_negotiation.py

@@ -177,6 +177,56 @@ async def test_list_requires_auth(client):
     assert (await client.get("/v1/negotiation/sessions")).status_code in (401, 403)
 
 
+# ---- 검색(keyword) ----------------------------------------------------------
+async def test_search_by_qt_number_and_item_code(client, nego_seed):
+    """검증: 견적번호/상품코드가 같은 값(PYTESTNEGO-B)으로 검색.
+    기대결과: B 1건만, total 도 1(카운트도 같은 필터 적용)."""
+    token = await _login_token(client)
+    body = (await _list(client, token, keyword=f"{MARK}B")).json()
+    assert body["total"] == 1
+    assert [i["item_code"] for i in body["items"]] == [f"{MARK}B"]
+
+
+async def test_search_by_item_name(client, nego_seed):
+    """검증: 상품명 일부('상품 A')로 검색.
+    기대결과: A 1건만."""
+    token = await _login_token(client)
+    body = (await _list(client, token, keyword="상품 A")).json()
+    assert {i["item_code"] for i in body["items"]} == {f"{MARK}A"}
+
+
+async def test_search_prefix_matches_all_own(client, nego_seed):
+    """검증: 공통 prefix(PYTESTNEGO)로 검색.
+    기대결과: 본인 공급사 3건 전부(타 공급사 X 는 제외 유지)."""
+    token = await _login_token(client)
+    body = (await _list(client, token, keyword=MARK.rstrip("-"))).json()
+    assert body["total"] == 3
+
+
+async def test_search_case_insensitive(client, nego_seed):
+    """검증: 소문자로 검색(pytestnego-c).
+    기대결과: ILIKE 라 대소문자 무시하고 C 매칭."""
+    token = await _login_token(client)
+    body = (await _list(client, token, keyword=f"{MARK}c".lower())).json()
+    assert {i["item_code"] for i in body["items"]} == {f"{MARK}C"}
+
+
+async def test_search_no_match_returns_empty(client, nego_seed):
+    """검증: 어디에도 없는 검색어.
+    기대결과: 0건, total 0."""
+    token = await _login_token(client)
+    body = (await _list(client, token, keyword="존재하지않는검색어zzz")).json()
+    assert body["total"] == 0 and body["items"] == []
+
+
+async def test_search_wildcard_is_escaped(client, nego_seed):
+    """검증: ILIKE 와일드카드('%')를 그대로 검색 — 패턴으로 새면 전건 매칭될 위험.
+    기대결과: escape 되어 리터럴 '%' 로 취급 → 매칭 0건."""
+    token = await _login_token(client)
+    body = (await _list(client, token, keyword="%")).json()
+    assert body["total"] == 0
+
+
 # ---- 참여 -------------------------------------------------------------------
 async def test_participate_success(client, nego_seed, db_engine):
     token = await _login_token(client)
@@ -294,3 +344,76 @@ async def test_reject_requires_auth(client, nego_seed):
     sid = nego_seed["sids"]["B"]
     r = await client.post(f"/v1/negotiation/sessions/{sid}/reject", json={"reject_reason": "사유"})
     assert r.status_code in (401, 403)
+
+
+# ---- 결과 필터(result) ------------------------------------------------------
+# 마감(CLOSED) + 마감사유/낙찰자로 낙찰(1)·미낙찰(2)·결렬(3)을 만들고 result= 로 거른다.
+# nego_seed 의 공급사/로그인을 재사용하고, MARK prefix 라 픽스처 teardown 이 함께 정리한다.
+async def _seed_result_row(engine, *, supplier_id, code, close_reason, winner_id):
+    import uuid as _uuid
+    item_id, qt_id, session_id = _uuid.uuid4(), _uuid.uuid4(), _uuid.uuid4()
+    async with engine.begin() as conn:
+        await conn.execute(
+            text("INSERT INTO partner.items (item_id, company_id, user_id, name, code, model_name, manufacturer) "
+                 "VALUES (:iid, gen_random_uuid(), gen_random_uuid(), :name, :code, 'M', '제조사')"),
+            {"iid": item_id, "name": f"상품 {code}", "code": f"{MARK}{code}"},
+        )
+        await conn.execute(
+            text("INSERT INTO quotation.quotations "
+                 "(qt_id, user_id, qt_setting_id, version_id, name, number, type, status, close_reason, "
+                 " preferred_sp_id, round, start_time, end_time) VALUES "
+                 "(:qid, gen_random_uuid(), gen_random_uuid(), gen_random_uuid(), :name, :num, 2, 3, :cr, "
+                 " :win, 1, now() - make_interval(hours => 2), now() - make_interval(hours => 1))"),
+            {"qid": qt_id, "name": f"견적 {code}", "num": f"{MARK}{code}", "cr": close_reason, "win": winner_id},
+        )
+        await conn.execute(
+            text("INSERT INTO negotiation.sessions "
+                 "(session_id, quotation_id, item_id, supplier_id, qt_number, qt_round, qt_type, "
+                 " target_price, status, bid_price, end_time) VALUES "
+                 "(:sid, :qid, :iid, :sup, :num, 1, 2, 100000, 3, 95000, now() - make_interval(hours => 1))"),
+            {"sid": session_id, "qid": qt_id, "iid": item_id, "sup": supplier_id, "num": f"{MARK}{code}"},
+        )
+
+
+@pytest_asyncio.fixture
+async def result_rows(nego_seed, db_engine):
+    """nego_seed 공급사에 낙찰/미낙찰/결렬 각 1건을 추가한다(개찰 5=OPEN_PRICE, 1=AWARDED)."""
+    sup = nego_seed["supplier_id"]
+    await _seed_result_row(db_engine, supplier_id=sup, code="RWON", close_reason=1, winner_id=sup)              # 낙찰(나)
+    await _seed_result_row(db_engine, supplier_id=sup, code="RLOST", close_reason=1, winner_id=uuid.uuid4())    # 미낙찰(남)
+    await _seed_result_row(db_engine, supplier_id=sup, code="ROPEN", close_reason=5, winner_id=None)            # 결렬(개찰)
+    return nego_seed
+
+
+async def test_result_filter_won(client, result_rows):
+    """검증: result=1(낙찰)로 필터. 기대결과: 낙찰 건만, total=1."""
+    token = await _login_token(client)
+    body = (await _list(client, token, result=1)).json()
+    assert body["total"] == 1
+    assert body["items"][0]["item_code"] == f"{MARK}RWON"
+    assert body["items"][0]["result"] == 1
+
+
+async def test_result_filter_lost(client, result_rows):
+    """검증: result=2(미낙찰)로 필터. 기대결과: 미낙찰 건만."""
+    token = await _login_token(client)
+    body = (await _list(client, token, result=2)).json()
+    assert {i["item_code"] for i in body["items"]} == {f"{MARK}RLOST"}
+    assert body["items"][0]["result"] == 2
+
+
+async def test_result_filter_open(client, result_rows):
+    """검증: result=3(결렬)로 필터. 기대결과: 개찰 결렬 건만 + 재협상 대상(renegotiable=True)."""
+    token = await _login_token(client)
+    body = (await _list(client, token, result=3)).json()
+    assert {i["item_code"] for i in body["items"]} == {f"{MARK}ROPEN"}
+    assert body["items"][0]["result"] == 3
+    assert body["items"][0]["renegotiable"] is True
+
+
+async def test_result_filter_composes_with_paging(client, result_rows):
+    """검증: 결과 필터가 total(페이징)에 반영. 기대결과: result=1 이면 total=1(전체 목록과 별개)."""
+    token = await _login_token(client)
+    all_total = (await _list(client, token)).json()["total"]
+    won_total = (await _list(client, token, result=1)).json()["total"]
+    assert won_total == 1 and all_total > won_total

backend/tests/test_renegotiation.py

@@ -0,0 +1,215 @@
+"""공급사 재협상 요청/철회(IMK #15) 포털 e2e — 요청 접수 + 철회.
+
+담당자 심사(승인/반려)는 negodata 백엔드 몫이고, 여기(포털)는 공급사가
+sessions.custom.renegotiation 에 요청을 남기고(PENDING) 스스로 철회(CANCELED)하는 절반을 본다:
+  · 개찰(OPEN_*) 마감 + 본인 마지막 라운드 세션 → 요청 기록(PENDING) + 담당자 알림
+  · 낙찰(AWARDED) 건 → 요청 거부
+  · 남의 공급사 세션 → 거부(FORBIDDEN)
+  · 이미 대기 중인데 재요청 → 거부(중복 방지)
+  · 대기 중 철회 → CANCELED, 이후 재요청 허용
+
+dev negosium_db 를 그대로 쓰므로(APP_ENV=local) 전용 테스트 행만 시드하고 끝나면 지운다.
+"""
+import uuid
+
+import bcrypt
+import pytest_asyncio
+from sqlalchemy import text
+
+from common.enums import CloseReason, QuotationStatus, RenegotiationStatus, SessionStatus
+
+TEST_LOGIN_ID = "pytest_renego_user"
+TEST_PW = "pytest1234"
+TEST_SUPPLIER_NAME = "파이테스트재협상공급사"
+MARK = "PYTESTRENEGO-"  # 시드 식별용 prefix (item code / qt number)
+
+
+@pytest_asyncio.fixture
+async def renego_seed(db_engine):
+    """공급사 + 로그인유저 + 재협상 후보 세션들을 시드하고 (supplier_id, sids, uids) 반환.
+
+    (code, quotation.status, close_reason, 소속 공급사) — 요청 자격은 견적 마감사유·소유로 갈린다.
+    """
+    supplier_id = uuid.uuid4()
+    other_supplier_id = uuid.uuid4()
+    pw_hash = bcrypt.hashpw(TEST_PW.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
+
+    specs = [
+        ("OPEN", QuotationStatus.CLOSED.value, CloseReason.OPEN_PRICE.value, supplier_id),      # 개찰 → 요청 가능
+        ("AWARD", QuotationStatus.CLOSED.value, CloseReason.AWARDED.value, supplier_id),        # 낙찰 → 불가
+        ("OTHER", QuotationStatus.CLOSED.value, CloseReason.OPEN_PRICE.value, other_supplier_id),  # 남의 공급사
+    ]
+    sids, uids = {}, {}
+
+    async def _cleanup(conn):
+        await conn.execute(text(f"DELETE FROM negotiation.sessions WHERE qt_number LIKE '{MARK}%'"))
+        await conn.execute(text(f"DELETE FROM company.notifications WHERE ref_qt_id IN "
+                                f"(SELECT qt_id FROM quotation.quotations WHERE number LIKE '{MARK}%')"))
+        await conn.execute(text(f"DELETE FROM quotation.quotations WHERE number LIKE '{MARK}%'"))
+        await conn.execute(text(f"DELETE FROM partner.items WHERE code LIKE '{MARK}%'"))
+        await conn.execute(text("DELETE FROM supplier.supplier_users WHERE id = :id"), {"id": TEST_LOGIN_ID})
+        await conn.execute(text("DELETE FROM partner.suppliers WHERE name = :n"), {"n": TEST_SUPPLIER_NAME})
+
+    async with db_engine.begin() as conn:
+        await _cleanup(conn)
+        await conn.execute(
+            text("INSERT INTO partner.suppliers (supplier_id, company_id, user_id, name) "
+                 "VALUES (:sid, gen_random_uuid(), gen_random_uuid(), :name)"),
+            {"sid": supplier_id, "name": TEST_SUPPLIER_NAME},
+        )
+        await conn.execute(
+            text("INSERT INTO supplier.supplier_users (supplier_id, id, password, name, last_accessed_at, status, role) "
+                 "VALUES (:sid, :id, :pw, '협상담당자', now(), 1, 1)"),
+            {"sid": supplier_id, "id": TEST_LOGIN_ID, "pw": pw_hash},
+        )
+        for code, quote_st, close_reason, sup in specs:
+            item_id, qt_id, session_id, user_id = uuid.uuid4(), uuid.uuid4(), uuid.uuid4(), uuid.uuid4()
+            sids[code], uids[code] = session_id, user_id
+            await conn.execute(
+                text("INSERT INTO partner.items (item_id, company_id, user_id, name, code, model_name, manufacturer) "
+                     "VALUES (:iid, gen_random_uuid(), gen_random_uuid(), :name, :code, :model, '테스트제조사')"),
+                {"iid": item_id, "name": f"상품 {code}", "code": f"{MARK}{code}", "model": f"MODEL-{code}"},
+            )
+            await conn.execute(
+                text("INSERT INTO quotation.quotations "
+                     "(qt_id, user_id, qt_setting_id, version_id, name, number, type, status, close_reason, "
+                     " round, start_time, end_time) VALUES "
+                     "(:qid, :uid, gen_random_uuid(), gen_random_uuid(), :name, :num, 2, :st, :cr, "
+                     " 1, now() - make_interval(hours => 2), now() - make_interval(hours => 1))"),
+                {"qid": qt_id, "uid": user_id, "name": f"견적 {code}", "num": f"{MARK}{code}", "st": quote_st, "cr": close_reason},
+            )
+            await conn.execute(
+                text("INSERT INTO negotiation.sessions "
+                     "(session_id, quotation_id, item_id, supplier_id, qt_number, qt_round, qt_type, "
+                     " target_price, status, bid_price, end_time) VALUES "
+                     "(:sesid, :qid, :iid, :sup, :qtn, 1, 2, 100000, :sst, 95000, now() - make_interval(hours => 1))"),
+                {"sesid": session_id, "qid": qt_id, "iid": item_id, "sup": sup, "qtn": f"{MARK}{code}", "sst": SessionStatus.DONE.value},
+            )
+
+    yield {"supplier_id": supplier_id, "sids": sids, "uids": uids}
+
+    async with db_engine.begin() as conn:
+        await _cleanup(conn)
+
+
+async def _login_token(client):
+    r = await client.post("/v1/auth/login", json={"id": TEST_LOGIN_ID, "pw": TEST_PW})
+    return r.json()["access_token"]
+
+
+async def _request(client, token, session_id, *, reason="가격 재검토", desired_price=90000):
+    return await client.post(
+        f"/v1/negotiation/session/{session_id}/renegotiation",
+        headers={"Authorization": f"Bearer {token}"},
+        json={"reason": reason, "desired_price": desired_price},
+    )
+
+
+async def _cancel(client, token, session_id):
+    return await client.delete(
+        f"/v1/negotiation/session/{session_id}/renegotiation",
+        headers={"Authorization": f"Bearer {token}"},
+    )
+
+
+async def _renego(db_engine, session_id):
+    async with db_engine.begin() as conn:
+        row = (await conn.execute(
+            text("SELECT custom FROM negotiation.sessions WHERE session_id = :sid"),
+            {"sid": session_id},
+        )).scalar()
+    return (row or {}).get("renegotiation") or {}
+
+
+async def _notif_count(db_engine, qt_number):
+    async with db_engine.begin() as conn:
+        return (await conn.execute(
+            text("SELECT count(*) FROM company.notifications WHERE ref_qt_id IN "
+                 "(SELECT qt_id FROM quotation.quotations WHERE number = :num)"),
+            {"num": qt_number},
+        )).scalar()
+
+
+# ---- 요청 -------------------------------------------------------------------
+async def test_request_records_pending(client, renego_seed, db_engine):
+    """검증: 개찰(OPEN_PRICE) 마감 + 본인 마지막 라운드 세션에 재협상 요청.
+    기대결과: success + PENDING 기록(사유·희망가 저장) + 담당자 알림 1건."""
+    token = await _login_token(client)
+    sid = renego_seed["sids"]["OPEN"]
+
+    body = (await _request(client, token, sid, reason="원자재 인상 반영", desired_price=88000)).json()
+
+    assert body["result"]["success"] is True
+    assert body["status"] == RenegotiationStatus.PENDING.value
+    saved = await _renego(db_engine, sid)
+    assert saved["status"] == RenegotiationStatus.PENDING.value
+    assert saved["reason"] == "원자재 인상 반영"
+    assert saved["desired_price"] == 88000
+    assert await _notif_count(db_engine, f"{MARK}OPEN") == 1
+
+
+async def test_request_twice_blocked(client, renego_seed, db_engine):
+    """검증: 이미 대기(PENDING) 요청이 있는 세션에 다시 요청.
+    기대결과: 2번째는 거부(중복 방지) + 상태는 여전히 PENDING 1건."""
+    token = await _login_token(client)
+    sid = renego_seed["sids"]["OPEN"]
+
+    first = (await _request(client, token, sid)).json()
+    second = (await _request(client, token, sid)).json()
+
+    assert first["result"]["success"] is True
+    assert second["result"]["success"] is False
+    assert (await _renego(db_engine, sid))["status"] == RenegotiationStatus.PENDING.value
+
+
+async def test_request_blocked_on_awarded(client, renego_seed, db_engine):
+    """검증: 낙찰(AWARDED)로 마감된 건에 재협상 요청.
+    기대결과: 거부(낙찰 건은 재협상 불가) + custom.renegotiation 미기록."""
+    token = await _login_token(client)
+    sid = renego_seed["sids"]["AWARD"]
+
+    body = (await _request(client, token, sid)).json()
+
+    assert body["result"]["success"] is False
+    assert await _renego(db_engine, sid) == {}
+
+
+async def test_request_forbidden_other_supplier(client, renego_seed, db_engine):
+    """검증: 다른 공급사 소유 세션에 재협상 요청.
+    기대결과: 거부 + custom.renegotiation 미기록(소유 가드)."""
+    token = await _login_token(client)
+    sid = renego_seed["sids"]["OTHER"]
+
+    body = (await _request(client, token, sid)).json()
+
+    assert body["result"]["success"] is False
+    assert await _renego(db_engine, sid) == {}
+
+
+# ---- 철회 -------------------------------------------------------------------
+async def test_cancel_sets_canceled_and_allows_rerequest(client, renego_seed, db_engine):
+    """검증: 대기 중 요청을 철회한 뒤 다시 요청.
+    기대결과: 철회 시 CANCELED → 재요청 시 다시 PENDING(철회 건은 재요청 허용)."""
+    token = await _login_token(client)
+    sid = renego_seed["sids"]["OPEN"]
+
+    await _request(client, token, sid)
+    cancelled = (await _cancel(client, token, sid)).json()
+    assert cancelled["result"]["success"] is True
+    assert cancelled["status"] == RenegotiationStatus.CANCELED.value
+    assert (await _renego(db_engine, sid))["status"] == RenegotiationStatus.CANCELED.value
+
+    again = (await _request(client, token, sid)).json()
+    assert again["result"]["success"] is True
+    assert (await _renego(db_engine, sid))["status"] == RenegotiationStatus.PENDING.value
+
+
+async def test_cancel_requires_pending(client, renego_seed, db_engine):
+    """검증: 대기 요청이 없는 세션에 철회 시도.
+    기대결과: 거부(철회할 대기 요청 없음)."""
+    token = await _login_token(client)
+    sid = renego_seed["sids"]["OPEN"]
+
+    body = (await _cancel(client, token, sid)).json()
+
+    assert body["result"]["success"] is False

backend/tests/test_session_result.py

@@ -0,0 +1,51 @@
+"""공급사 관점 협상 결과 파생(SessionResult) 단위 테스트.
+
+목록의 result 코드는 견적 마감상태·마감사유·낙찰자로 파생한다(DDL 무변경). 공급사가 이 배지로
+'내가 낙찰인지 / 결렬이라 재협상 요청 대상인지'를 구분한다. 결렬(3)만 renegotiable 과 짝을 이룬다.
+"""
+import uuid
+
+from common.enums import CloseReason, QuotationStatus
+from services.negotiation_service import NegotiationService
+
+_R = NegotiationService._to_result
+ME = uuid.uuid4()
+OTHER = uuid.uuid4()
+CLOSED = QuotationStatus.CLOSED.value
+
+
+def test_result_undecided_before_close():
+    """검증: 견적이 아직 마감 전(진행중)이면 결과 미정.
+    기대결과: 0(미정)."""
+    assert _R(QuotationStatus.IN_PROGRESS.value, None, None, ME) == 0
+
+
+def test_result_won_when_winner_is_me():
+    """검증: 낙찰(AWARDED) 마감 + 낙찰자가 나.
+    기대결과: 1(낙찰)."""
+    assert _R(CLOSED, CloseReason.AWARDED.value, ME, ME) == 1
+
+
+def test_result_lost_when_winner_is_other():
+    """검증: 낙찰 마감이지만 낙찰자가 남.
+    기대결과: 2(미낙찰)."""
+    assert _R(CLOSED, CloseReason.AWARDED.value, OTHER, ME) == 2
+
+
+def test_result_lost_when_awarded_without_winner_id():
+    """검증: 낙찰인데 낙찰자 id 가 비어 나와 대조 불가.
+    기대결과: 2(미낙찰) — 낙찰이라 단정 못 하면 낙찰로 오인시키지 않는다."""
+    assert _R(CLOSED, CloseReason.AWARDED.value, None, ME) == 2
+
+
+def test_result_open_is_renegotiable():
+    """검증: 개찰(OPEN_*) 4종으로 마감(낙찰자 미정=결렬).
+    기대결과: 전부 3(결렬) — 재협상 요청 대상."""
+    for cr in (CloseReason.OPEN_PRICE, CloseReason.OPEN_EQUAL, CloseReason.OPEN_NOSHOW, CloseReason.OPEN_REJECT):
+        assert _R(CLOSED, cr.value, None, ME) == 3, cr
+
+
+def test_result_none_when_closed_without_reason():
+    """검증: 마감됐지만 close_reason 이 아직 없음(경계).
+    기대결과: 0(미정) — 낙찰/결렬 어느 쪽도 아님."""
+    assert _R(CLOSED, None, None, ME) == 0

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

@@ -73,7 +73,8 @@ export interface SessionBrandingResponse {
 export interface SessionField {
   key: string
   label: string
-  type: 'text' | 'number' | 'boolean'
+  type: 'text' | 'number' | 'boolean' | 'select'
+  options?: string[] // type='select' 일 때 고를 보기 목록
 }
 
 export interface MeResponse {

frontend/src/apis/negotiation/index.ts

@@ -2,5 +2,11 @@
 export { negotiationApi } from './negotiation.api'
 export { negotiationKeys } from './negotiation.keys'
 export { useSessionListQuery } from './negotiation.queries'
-export { useParticipateMutation, useRejectMutation, useSaveExtraInfoMutation } from './negotiation.mutations'
+export {
+  useCancelRenegotiationMutation,
+  useParticipateMutation,
+  useRejectMutation,
+  useRequestRenegotiationMutation,
+  useSaveExtraInfoMutation,
+} from './negotiation.mutations'
 export * from './negotiation.type'

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

@@ -6,6 +6,8 @@ import type {
   ParticipateResponse,
   RejectRequest,
   RejectResponse,
+  RenegotiationRequest,
+  RenegotiationResponse,
   SessionListParams,
   SessionListResponse,
 } from './negotiation.type'
@@ -34,6 +36,23 @@ export const negotiationApi = {
     return res.data
   },
 
+  /** POST /v1/negotiation/session/{id}/renegotiation — 결렬 건 재협상 요청 */
+  requestRenegotiation: async (sessionId: string, body: RenegotiationRequest): Promise<RenegotiationResponse> => {
+    const res = await http.post<RenegotiationResponse>(
+      `/v1/negotiation/session/${sessionId}/renegotiation`,
+      body,
+    )
+    return res.data
+  },
+
+  /** DELETE /v1/negotiation/session/{id}/renegotiation — 심사 대기 중인 요청 철회 */
+  cancelRenegotiation: async (sessionId: string): Promise<RenegotiationResponse> => {
+    const res = await http.delete<RenegotiationResponse>(
+      `/v1/negotiation/session/${sessionId}/renegotiation`,
+    )
+    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>(

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 { ExtraInfoRequest, RejectRequest } from './negotiation.type'
+import type { ExtraInfoRequest, RejectRequest, RenegotiationRequest } from './negotiation.type'
 
 /**
  * 협상 세션 참여: 성공 시 세션 목록 캐시를 무효화해 상태를 갱신한다.
@@ -44,3 +44,24 @@ export function useSaveExtraInfoMutation() {
     },
   })
 }
+
+export function useRequestRenegotiationMutation() {
+  const queryClient = useQueryClient()
+  return useMutation({
+    mutationFn: ({ sessionId, request }: { sessionId: string; request: RenegotiationRequest }) =>
+      negotiationApi.requestRenegotiation(sessionId, request),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: negotiationKeys.sessions() })
+    },
+  })
+}
+
+export function useCancelRenegotiationMutation() {
+  const queryClient = useQueryClient()
+  return useMutation({
+    mutationFn: ({ sessionId }: { sessionId: string }) => negotiationApi.cancelRenegotiation(sessionId),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: negotiationKeys.sessions() })
+    },
+  })
+}

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

@@ -43,6 +43,8 @@ export interface SessionListParams {
   order?: 'asc' | 'desc' // 생략 시 기본 그룹 정렬('할 일' 우선+임박순, 종료는 하단). 지정 시 그룹 무시하고 전체 마감순(asc=임박/desc=여유)
   page?: number
   page_size?: number
+  keyword?: string // 검색어 — 견적번호·상품명·상품코드 부분일치
+  result?: number // 결과 필터(SessionResult): 1=낙찰 2=미낙찰 3=결렬
 }
 
 export interface SessionListItem {
@@ -56,6 +58,40 @@ export interface SessionListItem {
   model_name: string
   maker_name: string
   custom: Record<string, unknown> // 협상완료 부가정보(sessions.custom). 미입력이면 {}
+  renegotiable: boolean // 재협상 요청 가능 여부(서버 판정 — 개찰 마감 + 마지막 차수 + 대기 요청 없음)
+  renegotiation_status: number // 1=심사대기 2=승인 3=반려 4=철회, 이력 없으면 0
+  renegotiation_memo: string // 담당자 심사 메모(반려 사유)
+  result: number // 협상 결과(SessionResult): 0=미정 1=낙찰 2=미낙찰 3=결렬(개찰)
+}
+
+/** 공급사 관점 협상 결과 (sessions 파생) */
+export const SessionResult = { NONE: 0, WON: 1, LOST: 2, OPEN: 3 } as const
+
+export const SESSION_RESULT_LABEL: Record<number, string> = {
+  1: '낙찰',
+  2: '미낙찰',
+  3: '결렬',
+}
+
+// 재협상 요청(IMK #15)
+export interface RenegotiationRequest {
+  reason: string
+  desired_price?: number | null
+}
+
+export interface RenegotiationResponse {
+  result: ApiResult
+  session_id: string
+  status: number
+}
+
+export const RenegoStatus = { NONE: 0, PENDING: 1, APPROVED: 2, REJECTED: 3, CANCELED: 4 } as const
+
+export const RENEGO_STATUS_LABEL: Record<number, string> = {
+  1: '재협상 심사 중',
+  2: '재협상 승인됨',
+  3: '재협상 반려됨',
+  4: '요청 철회됨',
 }
 
 export interface SessionListResponse {

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

@@ -6,7 +6,6 @@ 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'
@@ -22,7 +21,7 @@ export function ChatMessage() {
           스크롤 시 여백도 함께 밀려 올라가도록 스크롤 컨테이너 안쪽에 둔다 */}
       <div
         ref={scrollRef}
-        className="chat-scroll h-full overflow-y-auto flex flex-col pt-4 lg:pt-[64px] pb-6 px-4 sm:px-6 min-[1180px]:pl-[80px] min-[1180px]:pr-[72px] min-[1350px]:pl-[140px] min-[1350px]:pr-[126px]"
+        className="chat-scroll h-full overflow-y-auto flex flex-col pt-0 lg:pt-[64px] pb-6 px-4 sm:px-6 min-[1180px]:pl-[80px] min-[1180px]:pr-[72px] min-[1350px]:pl-[140px] min-[1350px]:pr-[126px]"
       >
         <ChatList scrollRef={scrollRef} />
       </div>
@@ -48,7 +47,7 @@ function ChatList({ scrollRef }: { scrollRef: RefObject<HTMLDivElement | null> }
       scroller.scrollTo({ top: scroller.scrollHeight, behavior })
     })
     return () => cancelAnimationFrame(id)
-  }, [chats, isLoading])
+  }, [chats, isLoading, scrollRef])
 
   if (!chats || chats.length === 0) {
     return (
@@ -124,12 +123,7 @@ 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 && (
+        {message.bot_chat_type === 'summaryRSP' && message.summary && <Summary data={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/ExtraInfoBar.tsx

@@ -0,0 +1,114 @@
+import { useState } from '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'
+
+// 타결 요약의 '동의' 단계 하단 액션바 = 부가정보 입력 + 동의를 한 자리에서.
+// 다른 입력(가격·배송)과 같은 자리에서 받는다. proceedText = 동의 문구(누르면 저장 후 그 텍스트로 협상 종료).
+// 필드 정의(session_fields)가 없으면 폼 없이 동의 버튼만 둔다. 저장 후에도 세션 목록에서 수정할 수 있다.
+export function ExtraInfoBar({ proceedText }: { proceedText: string }) {
+  const sessionId = useChatStore((s) => s.sessionId)
+  const sendMessage = useChatStore((s) => s.sendMessage)
+  const { data: user } = useMeQuery()
+  const fields: SessionField[] = user?.sessionFields ?? []
+  const save = useSaveExtraInfoMutation()
+  const existing = useChatInitStore((s) => s.custom) // 기존 입력값(재진입 프리필)
+
+  // 사용자가 건드린 값만 state 로 두고, 나머지는 기존값/기본값에서 렌더마다 파생한다(초기화 effect 불필요).
+  const [overrides, setOverrides] = useState<Record<string, unknown>>({})
+  const values: Record<string, unknown> = {}
+  for (const f of fields) values[f.key] = overrides[f.key] ?? existing?.[f.key] ?? (f.type === 'boolean' ? false : '')
+
+  const proceed = () => sendMessage(proceedText)
+
+  // 필드 미정의 회사 → 부가정보 없이 동의만.
+  if (fields.length === 0) {
+    return (
+      <div className="flex w-full justify-center">
+        <button className={PRIMARY} onClick={proceed}>
+          {proceedText || '확인'}
+        </button>
+      </div>
+    )
+  }
+
+  const set = (key: string, value: unknown) => setOverrides((v) => ({ ...v, [key]: value }))
+
+  // 저장 성공 후에만 동의(협상 종료)로 넘어간다 — 저장 실패 시 화면 유지.
+  const handleSaveAndProceed = () => {
+    if (save.isPending) return
+    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: () => proceed(),
+        onError: (error) => toast.error(getApiErrorMessage(error, '부가정보 저장에 실패했습니다.')),
+      },
+    )
+  }
+
+  return (
+    <div className="w-full">
+      <p className="mb-3 text-sm font-semibold text-neutral-90">아래 정보를 입력하고 협상을 마무리해 주세요.</p>
+      {/* overflow-y-auto 는 overflow-x 도 auto 로 만들어(스펙상) 인풋 focus ring 을 좌우로 잘라낸다.
+          p-1 로 링 여백을 주고 -m-1 로 원래 정렬(버튼과 좌우폭)을 유지한다. */}
+      <div className="max-h-[36vh] space-y-3 overflow-y-auto p-1 -m-1">
+        {fields.map((f) => (
+          <div key={f.key} className="flex items-center gap-3">
+            <label className="w-28 shrink-0 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 shrink-0 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 ${
+                    values[f.key] ? 'translate-x-5' : 'translate-x-0.5'
+                  }`}
+                />
+              </button>
+            ) : f.type === 'select' ? (
+              <select
+                value={String(values[f.key] ?? '')}
+                onChange={(e) => set(f.key, e.target.value)}
+                className="h-10 w-full rounded-xl border border-border bg-white px-3 text-sm outline-none focus:border-brand-600 focus:ring-1 focus:ring-brand-600"
+              >
+                <option value="">선택</option>
+                {(f.options ?? []).map((o) => (
+                  <option key={o} value={o}>{o}</option>
+                ))}
+              </select>
+            ) : (
+              <input
+                type={f.type === 'number' ? 'number' : 'text'}
+                value={String(values[f.key] ?? '')}
+                onChange={(e) => set(f.key, e.target.value)}
+                onKeyDown={(e) => e.key === 'Enter' && !e.nativeEvent.isComposing && handleSaveAndProceed()}
+                className="h-10 w-full rounded-xl border border-border bg-white px-3 text-sm outline-none focus:border-brand-600 focus:ring-1 focus:ring-brand-600"
+                placeholder={f.label}
+              />
+            )}
+          </div>
+        ))}
+      </div>
+      <button type="button" onClick={handleSaveAndProceed} disabled={save.isPending} className={`${PRIMARY} mt-3 w-full`}>
+        {save.isPending ? '저장 중…' : proceedText || '저장하고 마무리'}
+      </button>
+    </div>
+  )
+}
+
+const PRIMARY =
+  'h-[46px] min-w-[120px] rounded-xl bg-brand-600 px-6 text-sm font-bold text-white shadow-sm transition-all hover:bg-brand-700 active:scale-[0.98] disabled:opacity-50'

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

@@ -1,7 +1,7 @@
 import { Check } from 'lucide-react'
 import { cn } from '@/lib'
 import { useChatStore } from '@/features/chat/stores/useChatStore'
-import { STEPS } from '@/features/chat/components/menu/NegoStep'
+import { STEPS } from '@/features/chat/lib/negoSteps'
 
 // 모바일 전용: 협상절차를 채팅 상단에 가로 스텝바로 항상 표시한다. (데스크톱은 우측 패널 사용)
 export function MobileStepBar() {

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

@@ -20,12 +20,23 @@ export function RemainingTime() {
   return (
     <span
       className={cn(
-        'inline-flex items-center gap-1.5 rounded-full px-3 py-1 text-xs font-bold whitespace-nowrap tabular-nums',
+        // min-w-0 + truncate: 헤더가 좁아도 잘려나가지 않고 말줄임으로 접힌다.
+        'inline-flex min-w-0 shrink items-center gap-1.5 rounded-full px-3 py-1 text-xs font-bold tabular-nums',
         ended ? 'bg-neutral-20 text-neutral-60' : 'bg-brand-light text-brand-600',
       )}
     >
-      <Clock className="size-3.5" />
+      <Clock className="size-3.5 shrink-0" />
-      협상 마감 {remaining}
+      <span className="truncate">
+        {ended ? (
+          // 종료 시엔 어느 폭에서도 긴 문장('종료되었습니다.')을 쓰지 않는다 — 헤더에서 잘리던 원인.
+          '마감 종료'
+        ) : (
+          <>
+            <span className="hidden sm:inline">협상 마감 </span>
+            {remaining}
+          </>
+        )}
+      </span>
     </span>
   )
 }

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

@@ -1,7 +1,9 @@
+import { useEffect } from 'react'
 import { useNavigate } from 'react-router'
 import { cn } from '@/lib'
 import { useChatStore } from '@/features/chat/stores/useChatStore'
 import { Percent, Price } from '@/features/chat/components/userInputs'
+import { ExtraInfoBar } from '@/features/chat/components/ExtraInfoBar'
 import { GO_TO_LIST_TEXT } from '@/features/chat/lib/userButtonConfig'
 import type { UserButtonConfig } from '@/features/chat/types'
 
@@ -17,6 +19,15 @@ const style = {
 export function UserButton({ type, text, textList, priceErrorMessage }: UserButtonConfig) {
   if (type === '') return null
 
+  // 부가정보 입력은 폼이라 가운데정렬 덱이 아니라 전체폭으로 편다. text = 저장 후 보낼 동의 문구.
+  if (type === 'extra-info') {
+    return (
+      <div className="w-full px-6 py-4 max-[1180px]:px-4">
+        <ExtraInfoBar proceedText={text || ''} />
+      </div>
+    )
+  }
+
   return (
     <div className="flex w-full justify-center overflow-x-auto px-6 py-4 max-[1180px]:px-4">
       <div className="flex justify-center">
@@ -82,6 +93,18 @@ function ThreeBlack({ textList }: { textList: [string, string, string] }) {
 
 function BlackWhite({ textList }: { textList: [string, string] }) {
   const sendMessage = useChatStore((s) => s.sendMessage)
+  // Enter = 첫 버튼(예). 입력창이 없는 선택 단계라 전역 Enter 를 잡아도 안전하다.
+  useEffect(() => {
+    const onKey = (e: KeyboardEvent) => {
+      if (e.key === 'Enter' && !e.isComposing) {
+        e.preventDefault()
+        sendMessage(textList[0])
+      }
+    }
+    window.addEventListener('keydown', onKey)
+    return () => window.removeEventListener('keydown', onKey)
+  }, [sendMessage, textList])
+
   return (
     <div className="flex gap-3">
       <button className={style.black} onClick={() => sendMessage(textList[0])}>

frontend/src/features/chat/components/menu/NegoStep.tsx

@@ -1,20 +1,13 @@
 import { Check, ChevronDown } from 'lucide-react'
 import { cn } from '@/lib'
 import { useChatStore } from '@/features/chat/stores/useChatStore'
+import { STEPS } from '@/features/chat/lib/negoSteps'
 
 interface Props {
   isOpen: boolean
   setIsOpen: (isOpen: boolean) => void
 }
 
-export const STEPS = [
-  { name: '서비스안내', desc: '협상 방식과 유의사항을 확인합니다.' },
-  { name: '담당자확인', desc: '협상 담당자 본인 여부를 확인합니다.' },
-  { name: '협상품목안내', desc: '대상 품목과 기준 단가를 확인합니다.' },
-  { name: '가격협상', desc: '공급 단가를 제안하고 조율합니다.' },
-  { name: '협상종료', desc: '최종 합의 후 결과를 확인합니다.' },
-]
-
 export function NegoStep({ isOpen, setIsOpen }: Props) {
   const chats = useChatStore((s) => s.messages)
   const currentStep = chats[chats.length - 1]?.display_step || '서비스안내'

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

@@ -1,109 +0,0 @@
-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/components/templates/OtherReason.tsx

@@ -10,6 +10,7 @@ export function OtherReason({
   onChange,
   isError,
   disabled,
+  onSubmit,
 }: {
   inputValue: string
   setInputValue: (value: string) => void
@@ -18,6 +19,7 @@ export function OtherReason({
   onChange: (value: string) => void
   isError: boolean
   disabled?: boolean
+  onSubmit?: () => void
 }) {
   const isChecked = selectedValue === '기타'
   const ref = useRef<HTMLTextAreaElement>(null)
@@ -73,6 +75,13 @@ export function OtherReason({
           )}
           value={inputValue}
           onChange={(e) => setInputValue(e.target.value)}
+          onKeyDown={(e) => {
+            // Enter=제출, Shift+Enter=줄바꿈. 한글 조합 중 Enter 는 무시.
+            if (e.key === 'Enter' && !e.shiftKey && !e.nativeEvent.isComposing && onSubmit) {
+              e.preventDefault()
+              onSubmit()
+            }
+          }}
           placeholder="제시한 가격을 수용할 수 없는 이유를 작성해주세요."
           disabled={isTextareaDisabled}
           rows={1}

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

@@ -79,6 +79,7 @@ export function RejectCM() {
                 )}
                 value={price ? parseInt(price).toLocaleString() : ''}
                 onChange={(e) => handlePriceChange(e.target.value)}
+                onKeyDown={(e) => e.key === 'Enter' && !e.nativeEvent.isComposing && handleSubmit()}
                 placeholder="0"
                 disabled={isDisabled}
               />

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

@@ -109,6 +109,7 @@ export function RejectRSP() {
                 )}
                 value={price ? parseInt(price).toLocaleString() : ''}
                 onChange={(e) => handlePriceChange(e.target.value)}
+                onKeyDown={(e) => e.key === 'Enter' && !e.nativeEvent.isComposing && handleSubmit()}
                 placeholder="0"
                 disabled={isDisabled}
               />
@@ -147,6 +148,7 @@ export function RejectRSP() {
             onChange={handleRadioChange}
             isError={!!radioErrorMessage}
             disabled={isDisabled}
+            onSubmit={handleSubmit}
           />
         </div>
       </div>

frontend/src/features/chat/lib/negoSteps.ts

@@ -0,0 +1,8 @@
+// 협상 절차 5단계 — NegoStep(사이드) · MobileStepBar(모바일 상단)가 공유.
+export const STEPS = [
+  { name: '서비스안내', desc: '협상 방식과 유의사항을 확인합니다.' },
+  { name: '담당자확인', desc: '협상 담당자 본인 여부를 확인합니다.' },
+  { name: '협상품목안내', desc: '대상 품목과 기준 단가를 확인합니다.' },
+  { name: '가격협상', desc: '공급 단가를 제안하고 조율합니다.' },
+  { name: '협상종료', desc: '최종 합의 후 결과를 확인합니다.' },
+]

frontend/src/features/chat/lib/userButtonConfig.ts

@@ -16,7 +16,12 @@ export function deriveUserButtonConfig(
   const options = last.next_input_type
 
   if (last.chat_end) return { type: 'one-black', text: GO_TO_LIST_TEXT }
-  if (mode === 'confirm') return { type: 'one-black', text: options?.[0] || '' }
+  // 타결 요약이 뜬 뒤의 '동의' 단계 = 부가정보 입력 + 동의를 한 자리(액션바)에서 받는다.
+  // (요약 이후 confirm 단계에만 적용 — 재견적의 투찰확정/정보수정 같은 선택 단계는 그대로 둔다.)
+  const dealt = messages.some((m) => m.bot_chat_type === 'summaryRSP' || m.bot_chat_type === 'summaryCM')
+  if (mode === 'confirm') {
+    return dealt ? { type: 'extra-info', text: options?.[0] || '' } : { type: 'one-black', text: options?.[0] || '' }
+  }
   if (mode === 'yes_no') return { type: 'black-white', textList: options || [] }
   if (mode === 'percent') return { type: 'percent' }
   if (mode === 'price') return { type: 'price', priceErrorMessage: priceErrorMessage || undefined }

frontend/src/features/chat/types.ts

@@ -53,6 +53,7 @@ export type UserButtonType =
   | 'percent'
   | 'three-black'
   | 'price'
+  | 'extra-info'
   | 'loading'
   | ''
 

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

@@ -78,6 +78,17 @@ export function ExtraInfoPopup({ target, onClose, onSubmit }: ExtraInfoPopupProp
                       }`}
                     />
                   </button>
+                ) : f.type === 'select' ? (
+                  <select
+                    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"
+                  >
+                    <option value="">선택</option>
+                    {(f.options ?? []).map((o) => (
+                      <option key={o} value={o}>{o}</option>
+                    ))}
+                  </select>
                 ) : (
                   <input
                     type={f.type === 'number' ? 'number' : 'text'}

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

@@ -0,0 +1,92 @@
+import { X } from 'lucide-react'
+import { Modal } from '@/components'
+import { cn, interactive } from '@/lib'
+
+// 공급사 포털 목록 화면 이용안내. 상태(진행)·결과(마감)·재협상 3파트로 최근 추가된 용어를 설명한다.
+// 헤더의 '이용안내' 버튼으로 여는 수동형 팝업. X·배경 클릭·ESC 로 닫는다.
+export function GuidePopup({ onClose }: { onClose: () => void }) {
+  return (
+    <Modal onClose={onClose}>
+      <div className="m-4 flex max-h-[90vh] w-full max-w-[560px] flex-col overflow-y-auto rounded-2xl border border-border bg-white p-6 shadow-xl animate-scale-in sm:p-8">
+        <div className="mb-5 flex items-start justify-between gap-4">
+          <div>
+            <h2 className="text-lg font-extrabold text-neutral-90">이용안내</h2>
+            <p className="mt-1 text-[13px] text-neutral-60">협상 목록의 상태·결과·재협상을 안내합니다.</p>
+          </div>
+          <button
+            type="button"
+            aria-label="닫기"
+            onClick={onClose}
+            className={cn('flex size-9 shrink-0 items-center justify-center rounded-full bg-neutral-10 text-neutral-70 hover:bg-neutral-20', interactive)}
+          >
+            <X size={18} />
+          </button>
+        </div>
+
+        <div className="flex flex-col gap-6">
+          <Section title="진행 상태" desc="협상 세션이 지금 어느 단계인지 — 내가 무엇을 할지 알려줍니다.">
+            <Row badge="협상 대기" tone="wait" text="초청받은 협상. 입장해서 가격 협상을 시작하세요." />
+            <Row badge="협상 중" tone="prog" text="가격을 조율하는 중입니다. 이어서 진행하세요." />
+            <Row badge="협상 완료" tone="done" text="가격 제출을 마쳤습니다. 최종 결과는 견적 마감 후 아래 '결과'로 표시됩니다." />
+            <Row badge="협상 미참여" tone="none" text="기한 내 참여하지 않아 종료된 건입니다." />
+            <Row badge="협상 거절" tone="reject" text="내가 참여를 거절한 건입니다." />
+          </Section>
+
+          <Section title="협상 결과" desc="견적이 마감된 뒤 정해지는 낙찰 결과입니다. 마감 전에는 표시되지 않습니다.">
+            <Row badge="낙찰" tone="win" text="내가 낙찰되어 계약 대상이 된 건입니다." />
+            <Row badge="미낙찰" tone="lost" text="다른 공급사가 낙찰되어 이번 계약에서는 제외된 건입니다." />
+            <Row badge="결렬" tone="open" text="낙찰자 없이 마감된 건입니다. 조건이 바뀌었다면 재협상을 요청할 수 있습니다." />
+          </Section>
+
+          <Section title="재협상 요청" desc="결렬(낙찰자 미정 마감) 건에 한해 가능합니다.">
+            <p className="text-[13px] leading-relaxed text-neutral-70">
+              결렬 건의 <b className="font-bold text-neutral-90">재협상 요청</b> 버튼으로 사유·희망가를 담아 요청하면,
+              구매 담당자 검토 후 <b className="font-bold text-neutral-90">승인 시 다음 차수 협상</b>이 새로 열립니다.
+              요청 상태(심사 중·승인·반려)는 목록에서 확인할 수 있습니다.
+            </p>
+          </Section>
+        </div>
+
+        <button
+          type="button"
+          onClick={onClose}
+          className="mt-7 h-11 w-full rounded-xl bg-brand-600 text-sm font-bold text-white transition-colors hover:bg-brand-700"
+        >
+          확인했어요
+        </button>
+      </div>
+    </Modal>
+  )
+}
+
+function Section({ title, desc, children }: { title: string; desc: string; children: React.ReactNode }) {
+  return (
+    <section>
+      <h3 className="text-sm font-extrabold text-neutral-90">{title}</h3>
+      <p className="mb-3 mt-0.5 text-xs text-neutral-60">{desc}</p>
+      <div className="flex flex-col gap-2.5">{children}</div>
+    </section>
+  )
+}
+
+const TONE: Record<string, string> = {
+  wait: 'bg-brand-light text-brand-700',
+  prog: 'bg-[#FFF3E5] text-[#F5A623]',
+  done: 'bg-[#EAFDF3] text-success',
+  none: 'bg-neutral-20 text-neutral-60',
+  reject: 'bg-[#FFEBEB] text-[#FF4D4F]',
+  win: 'bg-[#EAFDF3] text-success',
+  lost: 'bg-neutral-20 text-neutral-60',
+  open: 'bg-[#FFF3E5] text-[#F5A623]',
+}
+
+function Row({ badge, tone, text }: { badge: string; tone: string; text: string }) {
+  return (
+    <div className="flex items-start gap-2.5">
+      <span className={cn('mt-0.5 inline-flex shrink-0 items-center rounded-full px-2.5 py-1 text-xs font-bold', TONE[tone])}>
+        {badge}
+      </span>
+      <p className="text-[13px] leading-relaxed text-neutral-70">{text}</p>
+    </div>
+  )
+}

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

@@ -1,54 +1,85 @@
-import { AlertTriangle, CheckCircle2, FileText, RefreshCw } from 'lucide-react'
+import type { ReactNode } from 'react'
 import { cn } from '@/lib'
 import { useSessionCounts, type KpiCount } from '@/features/list/hooks/useSessionCounts'
 
-// key → 아이콘/색 스타일 (콕핏 카드)
+// 목업(claude artifact) 그대로: 진행(내가 할 일=상태축) / 결과(마감 후=결과축) 두 묶음.
-const STYLE: Record<string, { icon: typeof FileText; tile: string; iconColor: string; spin?: boolean }> = {
+// 모든 카드 동일 크기·높이 — 강조는 색·CTA 로만. 낙찰=초록, 결렬=amber(재협상 가능), 미낙찰=회색.
-  created: { icon: FileText, tile: 'bg-brand-light', iconColor: 'text-brand-600' },
-  progress: { icon: RefreshCw, tile: 'bg-sky-50', iconColor: 'text-sky-500', spin: true },
-  done: { icon: CheckCircle2, tile: 'bg-emerald-50', iconColor: 'text-success' },
-  rejected: { icon: AlertTriangle, tile: 'bg-red-50', iconColor: 'text-[#FF4D4F]' },
-}
-
 interface KpiCardsProps {
   selectedStatus: string | null
-  onSelect: (status: string) => void
+  selectedResult: number | null
+  onSelectStatus: (status: string) => void
+  onSelectResult: (code: number) => void
 }
 
-export function KpiCards({ selectedStatus, onSelect }: KpiCardsProps) {
+// key → 배지 점 색 / 숫자 색 / 카드 배경·테두리 / CTA.
-  const counts = useSessionCounts()
+const STYLE: Record<string, { dot?: string; num: string; card?: string; cta?: string; ctaText?: string }> = {
+  created: { num: 'text-brand-600' },
+  progress: { num: 'text-neutral-90' },
+  won: { dot: 'bg-success', num: 'text-success', card: 'border-success/40 bg-gradient-to-b from-emerald-50 to-white', cta: 'text-success', ctaText: '★ 계약 대상' },
+  open: { dot: 'bg-warning', num: 'text-warning', card: 'border-warning/40', cta: 'text-warning', ctaText: '▲ 재협상 요청 가능' },
+  lost: { dot: 'bg-neutral-50', num: 'text-neutral-70' },
+}
+
+export function KpiCards({ selectedStatus, selectedResult, onSelectStatus, onSelectResult }: KpiCardsProps) {
+  const { progress, result } = useSessionCounts()
+
+  const isActive = (c: KpiCount) =>
+    c.kind === 'status' ? selectedStatus === c.statusLabel : selectedResult === c.resultCode
+  const onClick = (c: KpiCount) =>
+    c.kind === 'status' ? onSelectStatus(c.statusLabel!) : onSelectResult(c.resultCode!)
+
   return (
-    <div className="grid grid-cols-2 gap-3 sm:gap-4 lg:grid-cols-4">
+    <div className="grid gap-4 lg:grid-cols-[2fr_3fr]">
-      {counts.map((c) => (
+      <Cluster label="진행 · 내가 할 일" dot="bg-brand-600" cols="grid-cols-2">
-        <Card key={c.key} data={c} active={selectedStatus === c.status} onClick={() => onSelect(c.status)} />
+        {progress.map((c) => (
-      ))}
+          <Card key={c.key} data={c} active={isActive(c)} onClick={() => onClick(c)} />
+        ))}
+      </Cluster>
+      <Cluster label="결과 · 마감 후" dot="bg-success" cols="grid-cols-3">
+        {result.map((c) => (
+          <Card key={c.key} data={c} active={isActive(c)} onClick={() => onClick(c)} />
+        ))}
+      </Cluster>
+    </div>
+  )
+}
+
+function Cluster({ label, dot, cols, children }: { label: string; dot: string; cols: string; children: ReactNode }) {
+  return (
+    <div>
+      <div className="mb-2 flex items-center gap-1.5 px-0.5 text-[11px] font-extrabold uppercase tracking-wider text-neutral-60">
+        <span className={cn('size-1.5 rounded-full', dot)} />
+        {label}
+      </div>
+      <div className={cn('grid gap-2.5', cols)}>{children}</div>
     </div>
   )
 }
 
 function Card({ data, active, onClick }: { data: KpiCount; active: boolean; onClick: () => void }) {
-  const s = STYLE[data.key]
+  const s = STYLE[data.key] ?? STYLE.created
-  const Icon = s.icon
+  const ctaText = s.ctaText ?? ' ' // 빈 카드도 CTA 줄 높이를 확보(nbsp) → 5개 카드 높이 완전 동일
   return (
     <button
       type="button"
       onClick={onClick}
       className={cn(
-        'flex items-center gap-3.5 rounded-2xl border bg-white p-4 text-left transition-all sm:p-5',
+        'flex h-full flex-col rounded-2xl border bg-white p-4 text-left shadow-sm transition-all hover:-translate-y-0.5 hover:shadow-md active:scale-[0.99]',
-        'hover:shadow-md active:scale-[0.99]',
+        s.card ?? 'border-border',
-        active ? 'border-brand-600 ring-2 ring-brand-600/10 shadow-sm' : 'border-border shadow-sm',
+        // 오프셋 링이라 카드 배경색(낙찰 초록·결렬 amber)과 무관하게 선택이 또렷하게 보인다.
+        active && 'ring-2 ring-brand-600 ring-offset-2 ring-offset-surface',
       )}
     >
-      <div className={cn('flex size-10 shrink-0 items-center justify-center rounded-xl', s.tile)}>
+      <p className="mb-2 flex items-center gap-1.5 whitespace-nowrap text-xs font-bold text-neutral-70">
-        <Icon className={cn('size-5', s.iconColor, s.spin && 'animate-spin-slow')} />
+        {s.dot && <span className={cn('size-1.5 rounded-full', s.dot)} />}
-      </div>
+        {data.label}
-      <div className="min-w-0">
+      </p>
-        <p className="truncate text-[11px] font-bold text-neutral-60">{data.label}</p>
+      <p className={cn('text-2xl font-extrabold tabular-nums', s.num)}>
-        <p className="text-lg font-extrabold tabular-nums text-neutral-90">
+        {data.isLoading ? '–' : data.count.toLocaleString()}
-          {data.isLoading ? '–' : data.count.toLocaleString()}
+        <span className="ml-0.5 text-xs font-bold text-neutral-60">건</span>
-          <span className="ml-0.5 text-xs font-bold text-neutral-60">건</span>
+      </p>
-        </p>
+      {/* CTA 는 좁은 카드(모바일 3열)에서 nowrap 이면 넘치므로 단어 단위로만 줄바꿈 */}
-      </div>
+      <p className={cn('mt-1.5 break-keep text-[11px] font-extrabold', s.cta)}>{ctaText}</p>
     </button>
   )
 }

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

@@ -0,0 +1,54 @@
+import { X } from 'lucide-react'
+import { Modal } from '@/components'
+import { RENEGO_STATUS_LABEL } from '@/apis/negotiation/negotiation.type'
+import type { ListItem } from '../types'
+
+export interface RenegotiationMemoPopupProps {
+  target: ListItem
+  onClose: () => void
+}
+
+// 재협상 심사 결과의 담당자 메모 열람 팝업. 목록에는 상태 배지만 두고 메모 전문은 여기서 보여준다.
+export function RenegotiationMemoPopup({ target, onClose }: RenegotiationMemoPopupProps) {
+  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">
+              {RENEGO_STATUS_LABEL[target.renegotiationStatus] ?? '재협상 심사 결과'}
+            </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="p-5">
+          <p className="text-sm font-semibold text-neutral-80">담당자 메모</p>
+          <p className="mt-1.5 max-h-64 overflow-y-auto whitespace-pre-wrap break-keep rounded-xl bg-neutral-10 p-3 text-sm leading-relaxed text-neutral-80">
+            {target.renegotiationMemo}
+          </p>
+        </div>
+
+        <div className="border-t border-border p-5">
+          <button
+            type="button"
+            onClick={onClose}
+            className="w-full rounded-xl bg-brand-600 py-3 text-sm font-bold text-white shadow-sm transition-all hover:bg-brand-700 active:scale-[0.98]"
+          >
+            확인
+          </button>
+        </div>
+      </div>
+    </Modal>
+  )
+}

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

@@ -0,0 +1,122 @@
+import { useState } from 'react'
+import { X } from 'lucide-react'
+import { Modal } from '@/components'
+import type { ListItem } from '../types'
+
+export interface RenegotiationPopupProps {
+  target: ListItem
+  onClose: () => void
+  onSubmit: (reason: string, desiredPrice: number | null) => void
+}
+
+// 재협상 요청 팝업. 결렬(낙찰자 미정) 건에만 열리며, 담당자 승인 시 다음 차수가 생성된다.
+// 사유는 자주 쓰는 것을 프리셋으로 두고, 직접 입력도 허용한다.
+const PRESETS = ['가격 조건 재검토', '재고·납기 확보', '단가 정정', '수량 조건 변경'] as const
+
+export function RenegotiationPopup({ target, onClose, onSubmit }: RenegotiationPopupProps) {
+  const [preset, setPreset] = useState<string>(PRESETS[0])
+  const [custom, setCustom] = useState('')
+  const [price, setPrice] = useState('')
+
+  const isDirect = preset === '직접 입력'
+  const reason = isDirect ? custom.trim() : preset
+  const canSubmit = reason.length > 0
+
+  const handleSubmit = () => {
+    if (!canSubmit) return
+    const parsed = Number(price.replace(/[^0-9]/g, ''))
+    onSubmit(reason, parsed > 0 ? parsed : null)
+    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">재협상 요청</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">
+          <p className="rounded-xl bg-neutral-10 p-3 text-xs leading-relaxed text-neutral-70">
+            이 건은 낙찰자 없이 마감되었습니다. 요청하면 구매 담당자가 검토 후 승인 시
+            <b> 다시 협상할 기회</b>가 열립니다. 승인·반려 결과는 목록에서 확인할 수 있습니다.
+          </p>
+
+          <div className="space-y-1.5">
+            <label className="block text-sm font-semibold text-neutral-80">요청 사유</label>
+            <div className="flex flex-wrap gap-1.5">
+              {[...PRESETS, '직접 입력'].map((p) => (
+                <button
+                  key={p}
+                  type="button"
+                  onClick={() => setPreset(p)}
+                  className={`rounded-lg border px-3 py-1.5 text-xs font-bold transition-all active:scale-[0.98] ${
+                    preset === p
+                      ? 'border-brand-600 bg-brand-50 text-brand-700'
+                      : 'border-border text-neutral-70 hover:bg-neutral-10'
+                  }`}
+                >
+                  {p}
+                </button>
+              ))}
+            </div>
+            {isDirect && (
+              <input
+                value={custom}
+                onChange={(e) => setCustom(e.target.value)}
+                maxLength={255}
+                placeholder="요청 사유를 입력해 주세요"
+                className="mt-1.5 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"
+              />
+            )}
+          </div>
+
+          <div className="space-y-1.5">
+            <label className="block text-sm font-semibold text-neutral-80">
+              희망 공급가 <span className="font-medium text-neutral-60">(선택)</span>
+            </label>
+            <input
+              inputMode="numeric"
+              value={price}
+              onChange={(e) => setPrice(e.target.value)}
+              placeholder="예: 14,500,000"
+              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"
+            />
+            <p className="text-xs text-neutral-60">담당자 검토 참고용입니다. 실제 가격은 재협상에서 다시 조율합니다.</p>
+          </div>
+        </div>
+
+        <div className="flex gap-2 border-t border-border p-5">
+          <button
+            type="button"
+            onClick={onClose}
+            className="flex-1 rounded-xl border border-border py-3 text-sm font-bold text-neutral-70 transition-all hover:bg-neutral-10 active:scale-[0.98]"
+          >
+            취소
+          </button>
+          <button
+            type="button"
+            onClick={handleSubmit}
+            disabled={!canSubmit}
+            className="flex-[2] rounded-xl bg-brand-600 py-3 text-sm font-bold text-white shadow-sm transition-all hover:bg-brand-700 active:scale-[0.98] disabled:opacity-50"
+          >
+            요청 보내기
+          </button>
+        </div>
+      </div>
+    </Modal>
+  )
+}

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

@@ -18,7 +18,7 @@ interface StatusTabsProps {
 
 export function StatusTabs({ selected, onSelect }: StatusTabsProps) {
   return (
-    <div className="flex flex-wrap items-center gap-1 rounded-xl bg-neutral-20 p-1">
+    <div className="flex flex-wrap items-center gap-1">
       {TABS.map((t) => {
         const active = selected === t.value
         return (
@@ -27,8 +27,8 @@ export function StatusTabs({ selected, onSelect }: StatusTabsProps) {
             type="button"
             onClick={() => onSelect(t.value)}
             className={cn(
-              'rounded-lg px-3.5 py-1.5 text-[13px] font-bold transition-all active:scale-[0.98]',
+              'whitespace-nowrap rounded-[10px] px-3 py-[7px] text-[13px] font-bold transition-all active:scale-[0.98]',
-              active ? 'bg-white text-neutral-90 shadow-sm' : 'text-neutral-60 hover:text-neutral-80',
+              active ? 'bg-brand-light text-brand-700' : 'text-neutral-60 hover:text-neutral-80',
             )}
           >
             {t.label}

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

@@ -1,7 +1,8 @@
-import { Loader2 } from 'lucide-react'
+import { Loader2, MessageSquareText } from 'lucide-react'
 import { cn, formatKstDateTime } from '@/lib'
+import { RENEGO_STATUS_LABEL } from '@/apis/negotiation/negotiation.type'
 import type { ListItem } from '@/features/list/types'
-import { statusMeta } from '@/features/list/lib/status'
+import { statusMeta, RESULT_META } from '@/features/list/lib/status'
 
 interface WorkspaceCardsProps {
   items: ListItem[]
@@ -10,10 +11,12 @@ interface WorkspaceCardsProps {
   onEnter: (item: ListItem) => void
   onReject: (item: ListItem) => void
   onExtraInfo: (item: ListItem) => void
+  onRenegotiate: (item: ListItem) => void
+  onMemo: (item: ListItem) => void
 }
 
 // 모바일(lg 미만) 협상 목록: 테이블 대신 카드 스택.
-export function WorkspaceCards({ items, isLoading, busyId, onEnter, onReject, onExtraInfo }: WorkspaceCardsProps) {
+export function WorkspaceCards({ items, isLoading, busyId, onEnter, onReject, onExtraInfo, onRenegotiate, onMemo }: WorkspaceCardsProps) {
   if (isLoading) {
     return (
       <div className="flex items-center justify-center py-16">
@@ -28,7 +31,7 @@ export function WorkspaceCards({ items, isLoading, busyId, onEnter, onReject, on
   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} onExtraInfo={onExtraInfo} />
+        <Card key={item.session_id} item={item} busy={busyId === item.session_id} onEnter={onEnter} onReject={onReject} onExtraInfo={onExtraInfo} onRenegotiate={onRenegotiate} onMemo={onMemo} />
       ))}
     </div>
   )
@@ -40,12 +43,16 @@ function Card({
   onEnter,
   onReject,
   onExtraInfo,
+  onRenegotiate,
+  onMemo,
 }: {
   item: ListItem
   busy: boolean
   onEnter: (item: ListItem) => void
   onReject: (item: ListItem) => void
   onExtraInfo: (item: ListItem) => void
+  onRenegotiate: (item: ListItem) => void
+  onMemo: (item: ListItem) => void
 }) {
   const meta = statusMeta(item.session_status)
   const canEnter = !['미참여', '협상거부'].includes(item.session_status)
@@ -53,6 +60,8 @@ function Card({
   const isDone = item.session_status === '협상완료'
   const enterLabel = isDone ? '결과 보기' : '협상 입장'
   const hasExtra = item.custom && Object.keys(item.custom).length > 0
+  // 재협상: 요청 가능하면 버튼, 이미 요청했으면 진행 상태를 보여준다.
+  const renegoLabel = RENEGO_STATUS_LABEL[item.renegotiationStatus] ?? ''
 
   return (
     <div className="p-4">
@@ -67,10 +76,17 @@ function Card({
             {item.model_name && <span> · {item.model_name}</span>}
           </p>
         </div>
-        <span className={cn('inline-flex shrink-0 items-center gap-1 rounded-full px-2.5 py-1 text-xs font-bold', meta.badge)}>
+        <div className="flex shrink-0 items-center gap-1.5">
-          <span className={cn('size-1.5 rounded-full', meta.dot)} />
+          {RESULT_META[item.result] && (
-          {meta.display}
+            <span className={cn('inline-flex items-center whitespace-nowrap rounded-full px-2 py-1 text-xs font-bold', RESULT_META[item.result].badge)}>
-        </span>
+              {RESULT_META[item.result].label}
+            </span>
+          )}
+          <span className={cn('inline-flex items-center gap-1 whitespace-nowrap rounded-full px-2.5 py-1 text-xs font-bold', meta.badge)}>
+            <span className={cn('size-1.5 rounded-full', meta.dot)} />
+            {meta.display}
+          </span>
+        </div>
       </div>
 
       <div className="mt-2.5 flex flex-wrap items-center gap-x-3 gap-y-1 text-xs text-neutral-60">
@@ -78,8 +94,36 @@ function Card({
         <span>마감 {formatKstDateTime(item.qt_end_time)}</span>
       </div>
 
-      {(canEnter || canReject || isDone) && (
+      {renegoLabel &&
+        (item.renegotiationMemo ? (
+          <button
+            type="button"
+            onClick={() => onMemo(item)}
+            className="mt-2.5 flex w-full items-center justify-between rounded-xl bg-neutral-10 px-3 py-2 transition-all hover:bg-neutral-20 active:scale-[0.99]"
+          >
+            <span className="whitespace-nowrap text-xs font-bold text-neutral-80">{renegoLabel}</span>
+            <span className="flex items-center gap-1 whitespace-nowrap text-[11px] text-neutral-60">
+              담당자 메모
+              <MessageSquareText className="size-3.5 text-neutral-50" />
+            </span>
+          </button>
+        ) : (
+          <div className="mt-2.5 rounded-xl bg-neutral-10 px-3 py-2">
+            <p className="text-xs font-bold text-neutral-80">{renegoLabel}</p>
+          </div>
+        ))}
+
+      {(canEnter || canReject || isDone || item.renegotiable) && (
         <div className="mt-3 flex gap-2">
+          {item.renegotiable && (
+            <button
+              type="button"
+              onClick={() => onRenegotiate(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]"
+            >
+              재협상 요청
+            </button>
+          )}
           {isDone && (
             <button
               type="button"

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

@@ -1,8 +1,9 @@
 import { type ReactNode } from 'react'
-import { Loader2 } from 'lucide-react'
+import { Loader2, MessageSquareText } from 'lucide-react'
 import { cn, formatKstDateTime } from '@/lib'
+import { RENEGO_STATUS_LABEL } from '@/apis/negotiation/negotiation.type'
 import type { ListItem } from '@/features/list/types'
-import { statusMeta } from '@/features/list/lib/status'
+import { statusMeta, RESULT_META } from '@/features/list/lib/status'
 
 interface WorkspaceTableProps {
   items: ListItem[]
@@ -11,22 +12,26 @@ interface WorkspaceTableProps {
   onEnter: (item: ListItem) => void
   onReject: (item: ListItem) => void
   onExtraInfo: (item: ListItem) => void
+  onRenegotiate: (item: ListItem) => void
+  onMemo: (item: ListItem) => void
 }
 
-const HEAD = 'px-5 py-3.5 text-left text-[11px] font-bold uppercase tracking-wider text-neutral-60 whitespace-nowrap'
+// th 기본 정렬은 center — 정렬은 베이스에 넣지 않고 컬럼마다 명시한다(cn 이 tailwind-merge 가 아니라 충돌 시 승자가 불명확).
+const HEAD = 'px-5 py-3.5 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, onExtraInfo }: WorkspaceTableProps) {
+export function WorkspaceTable({ items, isLoading, busyId, onEnter, onReject, onExtraInfo, onRenegotiate, onMemo }: 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={cn(HEAD, 'text-left')}>견적번호</th>
-            <th className={HEAD}>상품</th>
+            <th className={cn(HEAD, 'text-left')}>상품</th>
-            <th className={HEAD}>제조사</th>
+            <th className={cn(HEAD, 'text-left')}>제조사</th>
-            <th className={cn(HEAD, 'text-center')}>상태</th>
+            <th className={cn(HEAD, 'text-right')}>상태</th>
-            <th className={HEAD}>마감일</th>
+            <th className={cn(HEAD, 'text-center')}>결과</th>
+            <th className={cn(HEAD, 'text-left')}>마감일</th>
             <th className={cn(HEAD, 'text-right')}>액션</th>
           </tr>
         </thead>
@@ -41,7 +46,7 @@ export function WorkspaceTable({ items, isLoading, busyId, onEnter, onReject, on
             </StateRow>
           ) : (
             items.map((item) => (
-              <Row key={item.session_id} item={item} busy={busyId === item.session_id} onEnter={onEnter} onReject={onReject} onExtraInfo={onExtraInfo} />
+              <Row key={item.session_id} item={item} busy={busyId === item.session_id} onEnter={onEnter} onReject={onReject} onExtraInfo={onExtraInfo} onRenegotiate={onRenegotiate} onMemo={onMemo} />
             ))
           )}
         </tbody>
@@ -56,12 +61,16 @@ function Row({
   onEnter,
   onReject,
   onExtraInfo,
+  onRenegotiate,
+  onMemo,
 }: {
   item: ListItem
   busy: boolean
   onEnter: (item: ListItem) => void
   onReject: (item: ListItem) => void
   onExtraInfo: (item: ListItem) => void
+  onRenegotiate: (item: ListItem) => void
+  onMemo: (item: ListItem) => void
 }) {
   const meta = statusMeta(item.session_status)
   const canEnter = !['미참여', '협상거부'].includes(item.session_status)
@@ -83,15 +92,50 @@ function Row({
         </p>
       </td>
       <td className={cn(CELL, 'whitespace-nowrap text-neutral-70')}>{item.maker_name || '-'}</td>
-      <td className={cn(CELL, 'text-center')}>
+      <td className={cn(CELL, 'text-right')}>
-        <span className={cn('inline-flex items-center gap-1 rounded-full px-2.5 py-1 text-xs font-bold', meta.badge)}>
+        <span className={cn('inline-flex items-center gap-1 whitespace-nowrap rounded-full px-2.5 py-1 text-xs font-bold', meta.badge)}>
           <span className={cn('size-1.5 rounded-full', meta.dot)} />
           {meta.display}
         </span>
       </td>
+      <td className={cn(CELL, 'text-center')}>
+        {RESULT_META[item.result] ? (
+          <span className={cn('inline-flex items-center whitespace-nowrap rounded-full px-2 py-1 text-xs font-bold', RESULT_META[item.result].badge)}>
+            {RESULT_META[item.result].label}
+          </span>
+        ) : (
+          <span className="text-xs text-neutral-40">–</span>
+        )}
+      </td>
       <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">
+          {/* 재협상: 요청 가능하면 버튼, 요청 이력이 있으면 상태 텍스트(담당자 메모 있으면 클릭 시 팝업) */}
+          {item.renegotiable ? (
+            <button
+              type="button"
+              onClick={() => onRenegotiate(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]"
+            >
+              재협상 요청
+            </button>
+          ) : (
+            RENEGO_STATUS_LABEL[item.renegotiationStatus] &&
+            (item.renegotiationMemo ? (
+              <button
+                type="button"
+                onClick={() => onMemo(item)}
+                className="inline-flex items-center gap-1.5 whitespace-nowrap rounded-lg bg-neutral-10 px-2.5 py-1.5 text-xs font-bold text-neutral-70 transition-all hover:bg-neutral-20 active:scale-[0.98]"
+              >
+                {RENEGO_STATUS_LABEL[item.renegotiationStatus]}
+                <MessageSquareText className="size-3.5 text-neutral-50" />
+              </button>
+            ) : (
+              <span className="whitespace-nowrap rounded-lg bg-neutral-10 px-2.5 py-1.5 text-xs font-bold text-neutral-70">
+                {RENEGO_STATUS_LABEL[item.renegotiationStatus]}
+              </span>
+            ))
+          )}
           {isDone && (
             <button
               type="button"
@@ -120,9 +164,7 @@ function Row({
               {busy && <Loader2 className="size-3 animate-spin" />}
               {enterLabel}
             </button>
-          ) : (
+          ) : null}
-            !canReject && <span className="text-xs text-neutral-50">–</span>
-          )}
         </div>
       </td>
     </tr>
@@ -132,7 +174,7 @@ function Row({
 function StateRow({ children }: { children: ReactNode }) {
   return (
     <tr>
-      <td colSpan={6} className="py-20">
+      <td colSpan={7} className="py-20">
         <div className="flex items-center justify-center">{children}</div>
       </td>
     </tr>

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

@@ -1,8 +1,15 @@
-import { useState } from 'react'
+import { useEffect, useState } from 'react'
 import { useNavigate } from 'react-router'
 import { useShallow } from 'zustand/react/shallow'
-import { Search } from 'lucide-react'
+import { HelpCircle, Search } from 'lucide-react'
-import { getApiErrorMessage, useMeQuery, useParticipateMutation, useRejectMutation, useSaveExtraInfoMutation } from '@/apis'
+import {
+  getApiErrorMessage,
+  useMeQuery,
+  useParticipateMutation,
+  useRejectMutation,
+  useRequestRenegotiationMutation,
+  useSaveExtraInfoMutation,
+} from '@/apis'
 import { cn, toast } from '@/lib'
 import { useList } from '@/features/list/hooks/useList'
 import { useListStore } from '@/features/list/stores/useListStore'
@@ -13,6 +20,9 @@ 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 { RenegotiationPopup } from '@/features/list/components/RenegotiationPopup'
+import { RenegotiationMemoPopup } from '@/features/list/components/RenegotiationMemoPopup'
+import { GuidePopup } from '@/features/list/components/GuidePopup'
 import type { ListItem } from '@/features/list/types'
 
 // 상태별 거부 불가 안내
@@ -30,18 +40,30 @@ export function ListWorkspace() {
   const participate = useParticipateMutation()
   const reject = useRejectMutation()
   const saveExtra = useSaveExtraInfoMutation()
+  const requestRenego = useRequestRenegotiationMutation()
 
-  const { selectedStatus, setStatus } = useListStore(
+  const { selectedStatus, selectedResult, setStatus, toggleResult, setKeyword } = useListStore(
     useShallow((s) => ({
       selectedStatus: s.selectedStatus,
+      selectedResult: s.selectedResult,
       setStatus: s.setStatus,
+      toggleResult: s.toggleResult,
+      setKeyword: s.setKeyword,
     })),
   )
 
+  // 입력은 즉시 반영하되, 서버 요청은 300ms 디바운스(타이핑마다 호출 방지). 변경 시 store 가 페이지를 1로 되돌린다.
   const [search, setSearch] = useState('')
+  useEffect(() => {
+    const id = setTimeout(() => setKeyword(search), 300)
+    return () => clearTimeout(id)
+  }, [search, setKeyword])
   const [enteringId, setEnteringId] = useState<string | null>(null)
   const [rejectTarget, setRejectTarget] = useState<ListItem | null>(null)
   const [extraTarget, setExtraTarget] = useState<ListItem | null>(null)
+  const [renegoTarget, setRenegoTarget] = useState<ListItem | null>(null)
+  const [memoTarget, setMemoTarget] = useState<ListItem | null>(null)
+  const [guideOpen, setGuideOpen] = useState(false)
 
   const handleEnter = (item: ListItem) => {
     setEnteringId(item.session_id)
@@ -85,22 +107,46 @@ export function ListWorkspace() {
     )
   }
 
+  const handleRenegoSubmit = (reason: string, desiredPrice: number | null) => {
+    if (!renegoTarget) return
+    requestRenego.mutate(
+      { sessionId: renegoTarget.session_id, request: { reason, desired_price: desiredPrice } },
+      {
+        onSuccess: () => toast.success('재협상을 요청했습니다. 담당자 검토 후 결과가 목록에 표시됩니다.'),
+        onError: (error) => toast.error(getApiErrorMessage(error, '재협상 요청에 실패했습니다.')),
+      },
+    )
+  }
+
   return (
     <div className="space-y-5">
-      {/* 환영 배너 */}
+      {/* 헤더 */}
-      <div className="flex flex-wrap items-center justify-between gap-2 rounded-2xl border border-border bg-white px-5 py-4 shadow-[0_2px_12px_rgba(0,0,0,0.02)]">
+      <div className="flex flex-wrap items-baseline justify-between gap-2">
         <div>
-          <p className="text-[15px] font-bold text-neutral-90">
+          <h1 className="text-xl font-extrabold tracking-tight text-neutral-90">협상 워크스페이스</h1>
-            {user?.supplierName ? `${user.supplierName} 담당자님, 환영합니다.` : '공급 파트너님, 환영합니다.'}
+          <p className="mt-0.5 text-[13px] text-neutral-60">
-          </p>
+            {user?.supplierName ? `${user.supplierName} (공급 파트너)` : '공급 파트너'} · 진행/결과를 한눈에
-          <p className="mt-0.5 text-xs text-neutral-60">
-            진행 중인 협상 건을 확인하고 가격 협상에 참여해 주세요.
           </p>
         </div>
+        <div className="flex items-center gap-2.5">
+          <button
+            type="button"
+            onClick={() => setGuideOpen(true)}
+            className="inline-flex items-center gap-1.5 rounded-lg border border-border bg-white px-3 py-1.5 text-[13px] font-bold text-neutral-70 transition-colors hover:bg-neutral-10"
+          >
+            <HelpCircle className="size-4 text-neutral-50" />
+            이용안내
+          </button>
+        </div>
       </div>
 
-      {/* KPI 콕핏 */}
+      {/* KPI 콕핏 — 진행/결과 두 묶음 */}
-      <KpiCards selectedStatus={selectedStatus} onSelect={(s) => setStatus(selectedStatus === s ? null : s)} />
+      <KpiCards
+        selectedStatus={selectedStatus}
+        selectedResult={selectedResult}
+        onSelectStatus={(s) => setStatus(selectedStatus === s ? null : s)}
+        onSelectResult={toggleResult}
+      />
 
       {/* 워크스페이스 카드 */}
       <div className="overflow-hidden rounded-2xl border border-border bg-white shadow-sm">
@@ -131,6 +177,8 @@ export function ListWorkspace() {
             onEnter={handleEnter}
             onReject={handleReject}
             onExtraInfo={setExtraTarget}
+            onRenegotiate={setRenegoTarget}
+            onMemo={setMemoTarget}
           />
         </div>
         <div className="lg:hidden">
@@ -141,6 +189,8 @@ export function ListWorkspace() {
             onEnter={handleEnter}
             onReject={handleReject}
             onExtraInfo={setExtraTarget}
+            onRenegotiate={setRenegoTarget}
+            onMemo={setMemoTarget}
           />
         </div>
 
@@ -149,6 +199,8 @@ export function ListWorkspace() {
         </div>
       </div>
 
+      {guideOpen && <GuidePopup onClose={() => setGuideOpen(false)} />}
+
       {rejectTarget && (
         <RejectPopup onClose={() => setRejectTarget(null)} onSubmit={handleRejectSubmit} />
       )}
@@ -156,6 +208,18 @@ export function ListWorkspace() {
       {extraTarget && (
         <ExtraInfoPopup target={extraTarget} onClose={() => setExtraTarget(null)} onSubmit={handleExtraSubmit} />
       )}
+
+      {renegoTarget && (
+        <RenegotiationPopup
+          target={renegoTarget}
+          onClose={() => setRenegoTarget(null)}
+          onSubmit={handleRenegoSubmit}
+        />
+      )}
+
+      {memoTarget && (
+        <RenegotiationMemoPopup target={memoTarget} onClose={() => setMemoTarget(null)} />
+      )}
     </div>
   )
 }

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

@@ -7,11 +7,13 @@ const PAGE_SIZE = 20
 
 // 필터/정렬/페이지는 서버에 위임하고, 응답(정수 코드)을 화면용 라벨로 변환한다.
 export function useList() {
-  const { selectedStatus, selectedDeadline, currentPage, setCurrentPage } = useListStore()
+  const { selectedStatus, selectedDeadline, selectedResult, keyword, currentPage, setCurrentPage } = useListStore()
 
   const query = useSessionListQuery({
     status: selectedStatus ? statusLabelToCode(selectedStatus) : undefined,
     order: selectedDeadline ? deadlineToOrder(selectedDeadline) : undefined,
+    result: selectedResult ?? undefined,
+    keyword: keyword.trim() || undefined,
     page: currentPage,
     page_size: PAGE_SIZE,
   })

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

@@ -1,35 +1,63 @@
 import { useQueries } from '@tanstack/react-query'
-import { negotiationApi, negotiationKeys, SessionStatus } from '@/apis'
+import { negotiationApi, negotiationKeys, SessionStatus, SessionResult } from '@/apis'
 
-// KPI 콕핏에 노출할 상태별 집계. 각 상태를 page_size=1 로 조회해 total 만 읽는다(목록과 캐시 공유).
+// KPI 콕핏 집계. 진행(상태축)·결과(결과축) 두 묶음. 각 항목을 page_size=1 로 조회해 total 만 읽는다(목록과 캐시 공유).
+// 클릭 시 걸 필터가 상태냐 결과냐가 다르므로 kind 로 구분해 컨테이너가 올바른 setter 로 보낸다.
 export interface KpiCount {
   key: string
   label: string
-  status: string // 클릭 시 필터에 넣을 원본 상태 라벨
+  kind: 'status' | 'result'
-  code: number
+  statusLabel?: string // kind=status: 필터에 넣을 원본 상태 라벨
+  resultCode?: number // kind=result: 필터에 넣을 SessionResult 코드
   count: number
   isLoading: boolean
 }
 
-const KPI = [
+// 진행 묶음(내가 할 일) — 세션 상태축.
-  { key: 'created', label: '협상 대기', status: '협상생성', code: SessionStatus.CREATED },
+const PROGRESS = [
-  { key: 'progress', label: '조율 진행중', status: '협상중', code: SessionStatus.IN_PROGRESS },
+  { key: 'created', label: '협상 대기', statusLabel: '협상생성', code: SessionStatus.CREATED },
-  { key: 'done', label: '타결 완료', status: '협상완료', code: SessionStatus.DONE },
+  { key: 'progress', label: '협상 중', statusLabel: '협상중', code: SessionStatus.IN_PROGRESS },
-  { key: 'rejected', label: '거부/반려', status: '협상거부', code: SessionStatus.REJECTED },
 ] as const
 
-export function useSessionCounts(): KpiCount[] {
+// 결과 묶음(마감 후) — 결과축. 낙찰=주강조, 결렬=재협상 가능(액션).
-  const results = useQueries({
+const RESULT = [
-    queries: KPI.map((k) => ({
+  { key: 'won', label: '낙찰', code: SessionResult.WON },
+  { key: 'open', label: '결렬', code: SessionResult.OPEN },
+  { key: 'lost', label: '미낙찰', code: SessionResult.LOST },
+] as const
+
+export function useSessionCounts(): { progress: KpiCount[]; result: KpiCount[] } {
+  const statusQ = useQueries({
+    queries: PROGRESS.map((k) => ({
       queryKey: negotiationKeys.sessionList({ status: k.code, page: 1, page_size: 1 }),
       queryFn: () => negotiationApi.getSessions({ status: k.code, page: 1, page_size: 1 }),
       staleTime: 60 * 1000,
     })),
   })
+  const resultQ = useQueries({
+    queries: RESULT.map((k) => ({
+      queryKey: negotiationKeys.sessionList({ result: k.code, page: 1, page_size: 1 }),
+      queryFn: () => negotiationApi.getSessions({ result: k.code, page: 1, page_size: 1 }),
+      staleTime: 60 * 1000,
+    })),
+  })
 
-  return KPI.map((k, i) => ({
+  return {
-    ...k,
+    progress: PROGRESS.map((k, i) => ({
-    count: results[i].data?.total ?? 0,
+      key: k.key,
-    isLoading: results[i].isLoading,
+      label: k.label,
-  }))
+      kind: 'status',
+      statusLabel: k.statusLabel,
+      count: statusQ[i].data?.total ?? 0,
+      isLoading: statusQ[i].isLoading,
+    })),
+    result: RESULT.map((k, i) => ({
+      key: k.key,
+      label: k.label,
+      kind: 'result',
+      resultCode: k.code,
+      count: resultQ[i].data?.total ?? 0,
+      isLoading: resultQ[i].isLoading,
+    })),
+  }
 }

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

@@ -38,5 +38,9 @@ export function toListItem(api: SessionListItem): ListItem {
     model_name: api.model_name,
     maker_name: api.maker_name,
     custom: api.custom ?? {},
+    renegotiable: api.renegotiable ?? false,
+    renegotiationStatus: api.renegotiation_status ?? 0,
+    renegotiationMemo: api.renegotiation_memo ?? '',
+    result: api.result ?? 0,
   }
 }

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

@@ -7,13 +7,21 @@ export interface StatusMeta {
 }
 
 export const STATUS_META: Record<string, StatusMeta> = {
-  협상생성: { display: '대기', badge: 'bg-brand-light text-brand-600', dot: 'bg-brand-600' },
+  협상생성: { display: '협상 대기', badge: 'bg-brand-light text-brand-600', dot: 'bg-brand-600' },
-  협상중: { display: '조율중', badge: 'bg-[#FFF3E5] text-[#F5A623]', dot: 'bg-[#F5A623]' },
+  협상중: { display: '협상 중', badge: 'bg-[#FFF3E5] text-[#F5A623]', dot: 'bg-[#F5A623]' },
-  협상완료: { display: '타결', badge: 'bg-[#EAFDF3] text-success', dot: 'bg-success' },
+  협상완료: { display: '협상 완료', badge: 'bg-[#EAFDF3] text-success', dot: 'bg-success' },
-  미참여: { display: '미참여', badge: 'bg-neutral-20 text-neutral-60', dot: 'bg-neutral-60' },
+  미참여: { display: '협상 미참여', badge: 'bg-neutral-20 text-neutral-60', dot: 'bg-neutral-60' },
-  협상거부: { display: '거부', badge: 'bg-[#FFEBEB] text-[#FF4D4F]', dot: 'bg-[#FF4D4F]' },
+  협상거부: { display: '협상 거절', badge: 'bg-[#FFEBEB] text-[#FF4D4F]', dot: 'bg-[#FF4D4F]' },
 }
 
 export function statusMeta(label: string): StatusMeta {
   return STATUS_META[label] ?? { display: label || '-', badge: 'bg-neutral-20 text-neutral-60', dot: 'bg-neutral-60' }
 }
+
+// 협상 결과(SessionResult 코드) → 완료 건에 붙는 결과 배지. 0(미정)은 표시하지 않는다.
+// 결렬(3)은 재협상 요청 대상이라 눈에 띄게 노랑으로 둔다.
+export const RESULT_META: Record<number, { label: string; badge: string }> = {
+  1: { label: '낙찰', badge: 'bg-[#EAFDF3] text-success' },
+  2: { label: '미낙찰', badge: 'bg-neutral-20 text-neutral-60' },
+  3: { label: '결렬', badge: 'bg-[#FFF3E5] text-[#F5A623]' },
+}

frontend/src/features/list/stores/useListStore.ts

@@ -4,6 +4,8 @@ interface ListState {
   selectedType: string | null
   selectedStatus: string | null
   selectedDeadline: string | null
+  selectedResult: number | null // 결과 필터(SessionResult 코드). 상태와 별개 축이라 함께 걸린다
+  keyword: string
   currentPage: number
 
   toggleType: (item: string) => void
@@ -11,6 +13,8 @@ interface ListState {
   toggleStatus: (item: string) => void
   setStatus: (item: string | null) => void
   toggleDeadline: (item: string) => void
+  toggleResult: (code: number) => void
+  setKeyword: (keyword: string) => void
   setCurrentPage: (page: number) => void
   resetFilters: () => void
 }
@@ -21,17 +25,23 @@ export const useListStore = create<ListState>((set) => ({
   selectedType: null,
   selectedStatus: null,
   selectedDeadline: null,
+  selectedResult: null,
+  keyword: '',
   currentPage: 1,
 
   toggleType: (item) =>
     set((s) => ({ selectedType: toggle(s.selectedType, item), currentPage: 1 })),
   setType: (item) => set({ selectedType: item, currentPage: 1 }),
+  // 상태(진행)와 결과는 마감 전/후라 서로 배타적 — 한 축을 고르면 다른 축은 해제한다(동시 선택=거의 0건).
   toggleStatus: (item) =>
-    set((s) => ({ selectedStatus: toggle(s.selectedStatus, item), currentPage: 1 })),
+    set((s) => ({ selectedStatus: toggle(s.selectedStatus, item), selectedResult: null, currentPage: 1 })),
-  setStatus: (item) => set({ selectedStatus: item, currentPage: 1 }),
+  setStatus: (item) => set({ selectedStatus: item, selectedResult: null, currentPage: 1 }),
   toggleDeadline: (item) =>
     set((s) => ({ selectedDeadline: toggle(s.selectedDeadline, item), currentPage: 1 })),
+  toggleResult: (code) =>
+    set((s) => ({ selectedResult: s.selectedResult === code ? null : code, selectedStatus: null, currentPage: 1 })),
+  setKeyword: (keyword) => set({ keyword, currentPage: 1 }),
   setCurrentPage: (page) => set({ currentPage: page }),
   resetFilters: () =>
-    set({ selectedType: null, selectedStatus: null, selectedDeadline: null, currentPage: 1 }),
+    set({ selectedType: null, selectedStatus: null, selectedDeadline: null, selectedResult: null, keyword: '', currentPage: 1 }),
 }))

frontend/src/features/list/types.ts

@@ -9,4 +9,8 @@ export type ListItem = {
   model_name: string
   maker_name: string
   custom: Record<string, unknown> // 협상완료 부가정보(입력값). 미입력이면 {}
+  renegotiable: boolean // 재협상 요청 가능(서버 판정)
+  renegotiationStatus: number // 0=없음 1=심사중 2=승인 3=반려 4=철회
+  renegotiationMemo: string // 담당자 심사 메모(반려 사유)
+  result: number // 협상 결과: 0=미정 1=낙찰 2=미낙찰 3=결렬(개찰)
 }

frontend/src/index.css

@@ -160,6 +160,17 @@
     text-rendering: optimizeLegibility;
     font-synthesis: none;
   }
+
+  /* Tailwind v4 는 버튼 기본 커서가 default — 클릭/선택 가능한 요소는 포인터로 통일 */
+  button:not(:disabled),
+  [role='button']:not([aria-disabled='true']),
+  input[type='checkbox']:not(:disabled),
+  input[type='radio']:not(:disabled),
+  select:not(:disabled),
+  label[for],
+  summary {
+    cursor: pointer;
+  }
 }
 
 /* 노치/홈 인디케이터 회피 (viewport-fit=cover 와 짝). 안전영역이 0 인 기기에선 아무 영향 없다.

frontend/src/layouts/MainHeaderBar.tsx

@@ -1,9 +1,11 @@
 import { type ReactNode } from 'react'
 import { cn } from '@/lib'
 
-// safe-t: 노치 기기에서 헤더가 상태바 밑으로 파고들지 않도록 안전영역만큼 키운다(h-[56px] 은 콘텐츠 높이).
+// safe-t: 노치 기기에서 헤더가 상태바 밑으로 파고들지 않도록 안전영역만큼 키운다.
+// box-content 금지 — w-full + px-* 와 겹치면 폭이 "부모100% + 좌우패딩"이 되어 오른쪽이 잘린다.
+// 대신 border-box(기본) 유지하고 min-h 로 56px + 안전영역을 확보한다.
 const HEADER_BASE =
-  'flex w-full h-[56px] box-content safe-t items-center bg-white text-foreground border-b border-border'
+  'flex w-full min-h-[calc(56px+env(safe-area-inset-top))] safe-t items-center bg-white text-foreground border-b border-border'
 
 const HEADER_ALIGN = {
   left: 'justify-start',

frontend/src/layouts/PortalHeader.tsx

@@ -1,5 +1,5 @@
 import { useNavigate } from 'react-router'
-import { Bell, LogOut } from 'lucide-react'
+import { LogOut } from 'lucide-react'
 import { useLogoutMutation, useMeQuery } from '@/apis'
 import { Logo } from '@/components'
 import { cn, interactive } from '@/lib'
@@ -18,6 +18,7 @@ export function PortalHeader() {
       <Logo size="md" serviceName={user?.branding?.service_name} logoUrl={user?.branding?.logo_url} />
 
       <div className="flex items-center gap-2 sm:gap-3">
+        {/* 알림함(notifications 테이블) 구현 전까지 비활성.
         <button
           type="button"
           aria-label="알림"
@@ -29,6 +30,7 @@ export function PortalHeader() {
           <Bell className="size-5" />
           <span className="absolute right-2 top-2 size-1.5 rounded-full bg-brand-600" />
         </button>
+        */}
 
         <div className="hidden min-w-0 flex-col items-end sm:flex">
           <span className="max-w-[180px] truncate text-[13px] font-bold text-neutral-90">

frontend/src/pages/ChatPage.tsx

@@ -25,8 +25,9 @@ export function ChatPage() {
         sidebar={<Sidebar />}
         header={
           <MainHeaderBar className="px-4 sm:px-6 min-[1180px]:px-8">
-            <div className="flex w-full items-center justify-between gap-2">
+            {/* min-w-0: flex 기본 min-width:auto 라 자식이 안 줄어들어 헤더 밖으로 넘치던 것 방지 */}
-              <div className="flex min-w-0 items-center gap-2">
+            <div className="flex w-full min-w-0 items-center justify-between gap-2">
+              <div className="flex min-w-0 shrink items-center gap-2">
                 <BackToListButton />
                 <span className="hidden h-4 w-px bg-border lg:inline-block" />
                 <span className="hidden size-2 shrink-0 rounded-full bg-brand-600 animate-pulse lg:inline-block" />
@@ -34,7 +35,7 @@ export function ChatPage() {
                   실시간 구매 협상 채널
                 </span>
               </div>
-              <div className="flex items-center gap-1.5">
+              <div className="flex min-w-0 shrink items-center gap-1.5">
                 <PanelToggle icon={<Package className="size-4" />} label="상품" panel="product" />
                 <PanelToggle icon={<ClipboardList className="size-4" />} label="현황" panel="status" />
                 <RemainingTime />
@@ -92,7 +93,7 @@ function PanelToggle({
       type="button"
       onClick={() => open(panel)}
       className={cn(
-        'flex items-center gap-1 rounded-lg border border-border px-2 py-1.5 text-xs font-bold text-neutral-70 hover:bg-neutral-10 lg:hidden',
+        'flex shrink-0 items-center gap-1 rounded-lg border border-border px-2 py-1.5 text-xs font-bold text-neutral-70 hover:bg-neutral-10 lg:hidden',
         interactive,
       )}
     >