(최겸) 입찰 등록, 협력업체 응찰 기능 개발

11 files changed, 1118 insertions, 460 deletions

diff --git a/app/[lng]/partners/(partners)/bid/[id]/page.tsx b/app/[lng]/partners/(partners)/bid/[id]/page.tsx
index 8b1f346d..b8c7ea59 100644
--- a/app/[lng]/partners/(partners)/bid/[id]/page.tsx
+++ b/app/[lng]/partners/(partners)/bid/[id]/page.tsx
@@ -6,13 +6,14 @@ import { getServerSession } from 'next-auth'
 import { authOptions } from "@/app/api/auth/[...nextauth]/route"
 
 interface PartnersBidDetailPageProps {
-  params: {
+  params: Promise<{
     id: string
-  }
+  }>
 }
 
-export default async function PartnersBidDetailPage({ params }: PartnersBidDetailPageProps) {
-  const biddingId = parseInt(params.id)
+export default async function PartnersBidDetailPage(props: PartnersBidDetailPageProps) {
+  const resolvedParams = await props.params
+  const biddingId = parseInt(resolvedParams.id)
 
   if (isNaN(biddingId)) {
     return (
diff --git a/lib/bidding/detail/service.ts b/lib/bidding/detail/service.ts
index d0dc6a08..2ce17713 100644
--- a/lib/bidding/detail/service.ts
+++ b/lib/bidding/detail/service.ts
@@ -62,21 +62,20 @@ export interface QuotationVendor {
   contactPhone: string
   quotationAmount: number // 견적금액
   currency: string
-  paymentTerms: string // 지급조건 (응답)
-  taxConditions: string // 세금조건 (응답)
-  deliveryDate: string // 납품일 (응답)
   submissionDate: string // 제출일
   isWinner: boolean // 낙찰여부
   awardRatio: number // 발주비율
   status: 'pending' | 'submitted' | 'selected' | 'rejected'
-  // bidding_conditions에서 제시된 조건들
-  offeredPaymentTerms?: string // 제시된 지급조건
-  offeredTaxConditions?: string // 제시된 세금조건
-  offeredIncoterms?: string // 제시된 운송조건
-  offeredContractDeliveryDate?: string // 제시된 계약납기일
-  offeredShippingPort?: string // 제시된 선적지
-  offeredDestinationPort?: string // 제시된 도착지
-  isPriceAdjustmentApplicable?: boolean // 연동제 적용 여부
+  // companyConditionResponses에서 가져온 입찰 조건들
+  paymentTermsResponse?: string // 지급조건 응답
+  taxConditionsResponse?: string // 세금조건 응답
+  incotermsResponse?: string // 운송조건 응답
+  proposedContractDeliveryDate?: string // 제안 계약납기일
+  proposedShippingPort?: string // 제안 선적지
+  proposedDestinationPort?: string // 제안 도착지
+  priceAdjustmentResponse?: boolean // 연동제 적용 응답
+  sparePartResponse?: string // 스페어파트 응답
+  additionalProposals?: string // 추가 제안사항
   documents: Array<{
     id: number
     fileName: string
@@ -195,7 +194,7 @@ export async function getPRItemsForBidding(biddingId: number) {
 // 견적 시스템에서 협력업체 정보를 가져오는 함수
 export async function getQuotationVendors(biddingId: number): Promise<QuotationVendor[]> {
   try {
-    // bidding_companies 테이블을 메인으로 vendors, bidding_conditions, company_condition_responses를 조인하여 협력업체 정보 조회
+    // bidding_companies 테이블을 메인으로 vendors, company_condition_responses를 조인하여 협력업체 정보 조회
     const vendorsData = await db
       .select({
         id: biddingCompanies.id,
@@ -208,9 +207,6 @@ export async function getQuotationVendors(biddingId: number): Promise<QuotationV
         contactPhone: biddingCompanies.contactPhone,
         quotationAmount: biddingCompanies.finalQuoteAmount,
         currency: sql<string>`'KRW'` as currency,
-        paymentTerms: sql<string>`COALESCE(${companyConditionResponses.paymentTermsResponse}, '')`,
-        taxConditions: sql<string>`COALESCE(${companyConditionResponses.taxConditionsResponse}, '')`,
-        deliveryDate: companyConditionResponses.proposedContractDeliveryDate,
         submissionDate: biddingCompanies.finalQuoteSubmittedAt,
         isWinner: biddingCompanies.isWinner,
         awardRatio: sql<number>`CASE WHEN ${biddingCompanies.isWinner} THEN 100 ELSE 0 END`,
@@ -220,19 +216,20 @@ export async function getQuotationVendors(biddingId: number): Promise<QuotationV
           WHEN ${biddingCompanies.respondedAt} IS NOT NULL THEN 'submitted'
           ELSE 'pending'
         END`,
-        // bidding_conditions에서 제시된 조건들
-        offeredPaymentTerms: biddingConditions.paymentTerms,
-        offeredTaxConditions: biddingConditions.taxConditions,
-        offeredIncoterms: biddingConditions.incoterms,
-        offeredContractDeliveryDate: biddingConditions.contractDeliveryDate,
-        offeredShippingPort: biddingConditions.shippingPort,
-        offeredDestinationPort: biddingConditions.destinationPort,
-        isPriceAdjustmentApplicable: biddingConditions.isPriceAdjustmentApplicable,
+        // companyConditionResponses에서 입찰 조건들
+        paymentTermsResponse: companyConditionResponses.paymentTermsResponse,
+        taxConditionsResponse: companyConditionResponses.taxConditionsResponse,
+        incotermsResponse: companyConditionResponses.incotermsResponse,
+        proposedContractDeliveryDate: companyConditionResponses.proposedContractDeliveryDate,
+        proposedShippingPort: companyConditionResponses.proposedShippingPort,
+        proposedDestinationPort: companyConditionResponses.proposedDestinationPort,
+        priceAdjustmentResponse: companyConditionResponses.priceAdjustmentResponse,
+        sparePartResponse: companyConditionResponses.sparePartResponse,
+        additionalProposals: companyConditionResponses.additionalProposals,
       })
       .from(biddingCompanies)
       .leftJoin(vendors, eq(biddingCompanies.companyId, vendors.id))
       .leftJoin(companyConditionResponses, eq(biddingCompanies.id, companyConditionResponses.biddingCompanyId))
-      .leftJoin(biddingConditions, eq(biddingCompanies.id, biddingConditions.biddingCompanyId))
       .where(eq(biddingCompanies.biddingId, biddingId))
       .orderBy(desc(biddingCompanies.finalQuoteAmount))
 
@@ -247,21 +244,20 @@ export async function getQuotationVendors(biddingId: number): Promise<QuotationV
       contactPhone: vendor.contactPhone || '',
       quotationAmount: Number(vendor.quotationAmount) || 0,
       currency: vendor.currency,
-      paymentTerms: vendor.paymentTerms,
-      taxConditions: vendor.taxConditions,
-      deliveryDate: vendor.deliveryDate ? vendor.deliveryDate.toISOString().split('T')[0] : '',
       submissionDate: vendor.submissionDate ? vendor.submissionDate.toISOString().split('T')[0] : '',
       isWinner: vendor.isWinner || false,
       awardRatio: vendor.awardRatio || 0,
       status: vendor.status as 'pending' | 'submitted' | 'selected' | 'rejected',
-      // bidding_conditions에서 제시된 조건들
-      offeredPaymentTerms: vendor.offeredPaymentTerms,
-      offeredTaxConditions: vendor.offeredTaxConditions,
-      offeredIncoterms: vendor.offeredIncoterms,
-      offeredContractDeliveryDate: vendor.offeredContractDeliveryDate ? vendor.offeredContractDeliveryDate.toISOString().split('T')[0] : undefined,
-      offeredShippingPort: vendor.offeredShippingPort,
-      offeredDestinationPort: vendor.offeredDestinationPort,
-      isPriceAdjustmentApplicable: vendor.isPriceAdjustmentApplicable,
+      // companyConditionResponses에서 입찰 조건들
+      paymentTermsResponse: vendor.paymentTermsResponse || '',
+      taxConditionsResponse: vendor.taxConditionsResponse || '',
+      incotermsResponse: vendor.incotermsResponse || '',
+      proposedContractDeliveryDate: vendor.proposedContractDeliveryDate ? (typeof vendor.proposedContractDeliveryDate === 'string' ? vendor.proposedContractDeliveryDate : vendor.proposedContractDeliveryDate.toISOString().split('T')[0]) : undefined,
+      proposedShippingPort: vendor.proposedShippingPort || '',
+      proposedDestinationPort: vendor.proposedDestinationPort || '',
+      priceAdjustmentResponse: vendor.priceAdjustmentResponse || false,
+      sparePartResponse: vendor.sparePartResponse || '',
+      additionalProposals: vendor.additionalProposals || '',
       documents: [] // TODO: 문서 정보 조회 로직 추가
     }))
   } catch (error) {
@@ -295,15 +291,14 @@ export async function updateTargetPrice(
   }
 }
 
-// 협력업체 정보 저장 - biddingCompanies와 biddingConditions 테이블에 레코드 생성
-export async function createQuotationVendor(input: Omit<QuotationVendor, 'id'>, userId: string) {
+// 협력업체 정보 저장 - biddingCompanies와 companyConditionResponses 테이블에 레코드 생성
+export async function createQuotationVendor(input: any, userId: string) {
   try {
     const result = await db.transaction(async (tx) => {
       // 1. biddingCompanies에 레코드 생성
       const biddingCompanyResult = await tx.insert(biddingCompanies).values({
         biddingId: input.biddingId,
         companyId: input.vendorId,
-        vendorId: input.vendorId,
         quotationAmount: input.quotationAmount,
         currency: input.currency,
         status: input.status,
@@ -312,9 +307,6 @@ export async function createQuotationVendor(input: Omit<QuotationVendor, 'id'>,
         contactPerson: input.contactPerson,
         contactEmail: input.contactEmail,
         contactPhone: input.contactPhone,
-        paymentTerms: input.paymentTerms,
-        taxConditions: input.taxConditions,
-        deliveryDate: input.deliveryDate ? new Date(input.deliveryDate) : null,
         submissionDate: new Date(),
         createdBy: userId,
         updatedBy: userId,
@@ -326,17 +318,20 @@ export async function createQuotationVendor(input: Omit<QuotationVendor, 'id'>,
 
       const biddingCompanyId = biddingCompanyResult[0].id
 
-      // 2. biddingConditions에 기본 조건 생성
-      await tx.insert(biddingConditions).values({
+      // 2. companyConditionResponses에 입찰 조건 생성
+      await tx.insert(companyConditionResponses).values({
         biddingCompanyId: biddingCompanyId,
-        paymentTerms: '["선금 30%, 잔금 70%"]', // 기본 지급조건
-        taxConditions: '["부가세 별도"]', // 기본 세금조건
-        contractDeliveryDate: null,
-        isPriceAdjustmentApplicable: false,
-        incoterms: '["FOB"]', // 기본 운송조건
-        shippingPort: null,
-        destinationPort: null,
-        sparePartOptions: '[]', // 기본 예비품 옵션
+        paymentTermsResponse: input.paymentTermsResponse || '',
+        taxConditionsResponse: input.taxConditionsResponse || '',
+        proposedContractDeliveryDate: input.proposedContractDeliveryDate ? new Date(input.proposedContractDeliveryDate) : null,
+        priceAdjustmentResponse: input.priceAdjustmentResponse || false,
+        incotermsResponse: input.incotermsResponse || '',
+        proposedShippingPort: input.proposedShippingPort || '',
+        proposedDestinationPort: input.proposedDestinationPort || '',
+        sparePartResponse: input.sparePartResponse || '',
+        additionalProposals: input.additionalProposals || '',
+        isPreQuote: false,
+        submittedAt: new Date(),
         createdAt: new Date(),
         updatedAt: new Date(),
       })
@@ -357,7 +352,7 @@ export async function createQuotationVendor(input: Omit<QuotationVendor, 'id'>,
 }
 
 // 협력업체 정보 업데이트
-export async function updateQuotationVendor(id: number, input: Partial<QuotationVendor>, userId: string) {
+export async function updateQuotationVendor(id: number, input: any, userId: string) {
   try {
     const result = await db.transaction(async (tx) => {
       // 1. biddingCompanies 테이블 업데이트
@@ -377,28 +372,32 @@ export async function updateQuotationVendor(id: number, input: Partial<Quotation
           .where(eq(biddingCompanies.id, id))
       }
 
-      // 2. biddingConditions 테이블 업데이트 (제시된 조건들)
-      if (input.offeredPaymentTerms !== undefined ||
-          input.offeredTaxConditions !== undefined ||
-          input.offeredIncoterms !== undefined ||
-          input.offeredContractDeliveryDate !== undefined ||
-          input.offeredShippingPort !== undefined ||
-          input.offeredDestinationPort !== undefined ||
-          input.isPriceAdjustmentApplicable !== undefined) {
+      // 2. companyConditionResponses 테이블 업데이트 (입찰 조건들)
+      if (input.paymentTermsResponse !== undefined ||
+          input.taxConditionsResponse !== undefined ||
+          input.incotermsResponse !== undefined ||
+          input.proposedContractDeliveryDate !== undefined ||
+          input.proposedShippingPort !== undefined ||
+          input.proposedDestinationPort !== undefined ||
+          input.priceAdjustmentResponse !== undefined ||
+          input.sparePartResponse !== undefined ||
+          input.additionalProposals !== undefined) {
 
         const conditionsUpdateData: any = {}
-        if (input.offeredPaymentTerms !== undefined) conditionsUpdateData.paymentTerms = input.offeredPaymentTerms
-        if (input.offeredTaxConditions !== undefined) conditionsUpdateData.taxConditions = input.offeredTaxConditions
-        if (input.offeredIncoterms !== undefined) conditionsUpdateData.incoterms = input.offeredIncoterms
-        if (input.offeredContractDeliveryDate !== undefined) conditionsUpdateData.contractDeliveryDate = input.offeredContractDeliveryDate ? new Date(input.offeredContractDeliveryDate) : null
-        if (input.offeredShippingPort !== undefined) conditionsUpdateData.shippingPort = input.offeredShippingPort
-        if (input.offeredDestinationPort !== undefined) conditionsUpdateData.destinationPort = input.offeredDestinationPort
-        if (input.isPriceAdjustmentApplicable !== undefined) conditionsUpdateData.isPriceAdjustmentApplicable = input.isPriceAdjustmentApplicable
+        if (input.paymentTermsResponse !== undefined) conditionsUpdateData.paymentTermsResponse = input.paymentTermsResponse
+        if (input.taxConditionsResponse !== undefined) conditionsUpdateData.taxConditionsResponse = input.taxConditionsResponse
+        if (input.incotermsResponse !== undefined) conditionsUpdateData.incotermsResponse = input.incotermsResponse
+        if (input.proposedContractDeliveryDate !== undefined) conditionsUpdateData.proposedContractDeliveryDate = input.proposedContractDeliveryDate ? new Date(input.proposedContractDeliveryDate) : null
+        if (input.proposedShippingPort !== undefined) conditionsUpdateData.proposedShippingPort = input.proposedShippingPort
+        if (input.proposedDestinationPort !== undefined) conditionsUpdateData.proposedDestinationPort = input.proposedDestinationPort
+        if (input.priceAdjustmentResponse !== undefined) conditionsUpdateData.priceAdjustmentResponse = input.priceAdjustmentResponse
+        if (input.sparePartResponse !== undefined) conditionsUpdateData.sparePartResponse = input.sparePartResponse
+        if (input.additionalProposals !== undefined) conditionsUpdateData.additionalProposals = input.additionalProposals
         conditionsUpdateData.updatedAt = new Date()
 
-        await tx.update(biddingConditions)
+        await tx.update(companyConditionResponses)
           .set(conditionsUpdateData)
-          .where(eq(biddingConditions.biddingCompanyId, id))
+          .where(eq(companyConditionResponses.biddingCompanyId, id))
       }
 
       return true
@@ -683,7 +682,7 @@ export interface PartnersBiddingListItem {
   notes: string | null
   createdAt: Date
   updatedAt: Date
-  updatedBy: string | null
+  // updatedBy: string | null
 
   // biddings 정보
   biddingId: number
@@ -725,7 +724,7 @@ export async function getBiddingListForPartners(companyId: number): Promise<Part
         notes: biddingCompanies.notes,
         createdAt: biddingCompanies.createdAt,
         updatedAt: biddingCompanies.updatedAt,
-        updatedBy: biddingCompanies.updatedBy,
+        // updatedBy: biddingCompanies.updatedBy, // 이 필드가 존재하지 않음
 
         // biddings 정보
         biddingId: biddings.id,
@@ -754,11 +753,13 @@ export async function getBiddingListForPartners(companyId: number): Promise<Part
       ))
       .orderBy(desc(biddingCompanies.createdAt))
     
-    // console.log(result)
+    console.log(result, "result")
 
     // 계산된 필드 추가
     const resultWithCalculatedFields = result.map(item => ({
       ...item,
+      respondedAt: item.respondedAt ? item.respondedAt.toISOString() : null,
+      finalQuoteAmount: item.finalQuoteAmount ? Number(item.finalQuoteAmount) : null, // string을 number로 변환
       responseDeadline: item.submissionStartDate
         ? new Date(item.submissionStartDate.getTime() - 3 * 24 * 60 * 60 * 1000) // 3일 전
         : null,
@@ -817,30 +818,22 @@ export async function getBiddingDetailsForPartners(biddingId: number, companyId:
         finalQuoteAmount: biddingCompanies.finalQuoteAmount,
         finalQuoteSubmittedAt: biddingCompanies.finalQuoteSubmittedAt,
         isWinner: biddingCompanies.isWinner,
+        isAttendingMeeting: biddingCompanies.isAttendingMeeting,
 
-        // 제시된 조건들 (bidding_conditions)
-        offeredPaymentTerms: biddingConditions.paymentTerms,
-        offeredTaxConditions: biddingConditions.taxConditions,
-        offeredIncoterms: biddingConditions.incoterms,
-        offeredContractDeliveryDate: biddingConditions.contractDeliveryDate,
-        offeredShippingPort: biddingConditions.shippingPort,
-        offeredDestinationPort: biddingConditions.destinationPort,
-        isPriceAdjustmentApplicable: biddingConditions.isPriceAdjustmentApplicable,
-
-        // 응답한 조건들 (company_condition_responses)
-        responsePaymentTerms: companyConditionResponses.paymentTermsResponse,
-        responseTaxConditions: companyConditionResponses.taxConditionsResponse,
-        responseIncoterms: companyConditionResponses.incotermsResponse,
+        // 응답한 조건들 (company_condition_responses) - 제시된 조건과 응답 모두 여기서 관리
+        paymentTermsResponse: companyConditionResponses.paymentTermsResponse,
+        taxConditionsResponse: companyConditionResponses.taxConditionsResponse,
+        incotermsResponse: companyConditionResponses.incotermsResponse,
         proposedContractDeliveryDate: companyConditionResponses.proposedContractDeliveryDate,
         proposedShippingPort: companyConditionResponses.proposedShippingPort,
         proposedDestinationPort: companyConditionResponses.proposedDestinationPort,
         priceAdjustmentResponse: companyConditionResponses.priceAdjustmentResponse,
+        sparePartResponse: companyConditionResponses.sparePartResponse,
         additionalProposals: companyConditionResponses.additionalProposals,
         responseSubmittedAt: companyConditionResponses.submittedAt,
       })
       .from(biddings)
       .innerJoin(biddingCompanies, eq(biddings.id, biddingCompanies.biddingId))
-      .leftJoin(biddingConditions, eq(biddingCompanies.id, biddingConditions.biddingCompanyId))
       .leftJoin(companyConditionResponses, eq(biddingCompanies.id, companyConditionResponses.biddingCompanyId))
       .where(and(
         eq(biddings.id, biddingId),
@@ -866,6 +859,7 @@ export async function submitPartnerResponse(
     proposedShippingPort?: string
     proposedDestinationPort?: string
     priceAdjustmentResponse?: boolean
+    sparePartResponse?: string
     additionalProposals?: string
     finalQuoteAmount?: number
   },
@@ -878,10 +872,11 @@ export async function submitPartnerResponse(
         paymentTermsResponse: response.paymentTermsResponse,
         taxConditionsResponse: response.taxConditionsResponse,
         incotermsResponse: response.incotermsResponse,
-        proposedContractDeliveryDate: response.proposedContractDeliveryDate ? new Date(response.proposedContractDeliveryDate) : null,
+        proposedContractDeliveryDate: response.proposedContractDeliveryDate ? response.proposedContractDeliveryDate : null, // Date 대신 string 사용
         proposedShippingPort: response.proposedShippingPort,
         proposedDestinationPort: response.proposedDestinationPort,
         priceAdjustmentResponse: response.priceAdjustmentResponse,
+        sparePartResponse: response.sparePartResponse,
         additionalProposals: response.additionalProposals,
         submittedAt: new Date(),
         updatedAt: new Date(),
@@ -914,7 +909,7 @@ export async function submitPartnerResponse(
       const companyUpdateData: any = {
         respondedAt: new Date(),
         updatedAt: new Date(),
-        updatedBy: userId,
+        // updatedBy: userId, // 이 필드가 존재하지 않음
       }
 
       if (response.finalQuoteAmount !== undefined) {
@@ -931,7 +926,7 @@ export async function submitPartnerResponse(
       return true
     })
 
-    revalidatePath(`/partners/bid/${biddingId}`)
+    revalidatePath('/partners/bid/[id]')
     return {
       success: true,
       message: '응찰이 성공적으로 제출되었습니다.',
@@ -942,26 +937,157 @@ export async function submitPartnerResponse(
   }
 }
 
-// 사양설명회 참석 여부 업데이트
+// 사양설명회 정보 조회 (협력업체용)
+export async function getSpecificationMeetingForPartners(biddingId: number) {
+  try {
+    // bidding_documents에서 사양설명회 관련 문서 조회
+    const documents = await db
+      .select({
+        id: biddingDocuments.id,
+        fileName: biddingDocuments.fileName,
+        originalFileName: biddingDocuments.originalFileName,
+        filePath: biddingDocuments.filePath,
+        fileSize: biddingDocuments.fileSize,
+        title: biddingDocuments.title,
+      })
+      .from(biddingDocuments)
+      .where(and(
+        eq(biddingDocuments.biddingId, biddingId),
+        eq(biddingDocuments.documentType, 'specification_meeting')
+      ))
+
+    // biddings 테이블에서 사양설명회 기본 정보 조회
+    const bidding = await db
+      .select({
+        id: biddings.id,
+        title: biddings.title,
+        biddingNumber: biddings.biddingNumber,
+        preQuoteDate: biddings.preQuoteDate,
+        biddingRegistrationDate: biddings.biddingRegistrationDate,
+        managerName: biddings.managerName,
+        managerEmail: biddings.managerEmail,
+        managerPhone: biddings.managerPhone,
+      })
+      .from(biddings)
+      .where(eq(biddings.id, biddingId))
+      .limit(1)
+
+    if (bidding.length === 0) {
+      return { success: false, error: '입찰 정보를 찾을 수 없습니다.' }
+    }
+
+    return {
+      success: true,
+      data: {
+        ...bidding[0],
+        documents,
+        meetingDate: bidding[0].preQuoteDate ? bidding[0].preQuoteDate.toISOString().split('T')[0] : null,
+        contactPerson: bidding[0].managerName,
+        contactEmail: bidding[0].managerEmail,
+        contactPhone: bidding[0].managerPhone,
+      }
+    }
+  } catch (error) {
+    console.error('Failed to get specification meeting info:', error)
+    return { success: false, error: '사양설명회 정보 조회에 실패했습니다.' }
+  }
+}
+
+// 사양설명회 참석 여부 업데이트 (상세 정보 포함)
 export async function updatePartnerAttendance(
   biddingCompanyId: number,
-  isAttending: boolean,
+  attendanceData: {
+    isAttending: boolean
+    attendeeCount?: number
+    representativeName?: string
+    representativePhone?: string
+  },
   userId: string
 ) {
   try {
-    await db
-      .update(biddingCompanies)
-      .set({
-        isAttendingMeeting: isAttending,
-        updatedAt: new Date(),
-        updatedBy: userId,
-      })
-      .where(eq(biddingCompanies.id, biddingCompanyId))
+    const result = await db.transaction(async (tx) => {
+      // biddingCompanies 테이블 업데이트 (참석여부만 저장)
+      await tx
+        .update(biddingCompanies)
+        .set({
+          isAttendingMeeting: attendanceData.isAttending,
+          updatedAt: new Date(),
+        })
+        .where(eq(biddingCompanies.id, biddingCompanyId))
+
+      // 참석하는 경우, 사양설명회 담당자에게 이메일 발송을 위한 정보 반환
+      if (attendanceData.isAttending) {
+        const biddingInfo = await tx
+          .select({
+            biddingId: biddingCompanies.biddingId,
+            companyId: biddingCompanies.companyId,
+            managerEmail: biddings.managerEmail,
+            managerName: biddings.managerName,
+            title: biddings.title,
+            biddingNumber: biddings.biddingNumber,
+          })
+          .from(biddingCompanies)
+          .innerJoin(biddings, eq(biddingCompanies.biddingId, biddings.id))
+          .where(eq(biddingCompanies.id, biddingCompanyId))
+          .limit(1)
+
+        if (biddingInfo.length > 0) {
+          // 협력업체 정보 조회
+          const companyInfo = await tx
+            .select({
+              vendorName: vendors.vendorName,
+            })
+            .from(vendors)
+            .where(eq(vendors.id, biddingInfo[0].companyId))
+            .limit(1)
+
+          const companyName = companyInfo.length > 0 ? companyInfo[0].vendorName : '알 수 없음'
+
+          // 메일 발송 (템플릿 사용)
+          try {
+            const { sendEmail } = await import('@/lib/mail/sendEmail')
+            
+            await sendEmail({
+              to: biddingInfo[0].managerEmail,
+              template: 'specification-meeting-attendance',
+              context: {
+                biddingNumber: biddingInfo[0].biddingNumber,
+                title: biddingInfo[0].title,
+                companyName: companyName,
+                attendeeCount: attendanceData.attendeeCount,
+                representativeName: attendanceData.representativeName,
+                representativePhone: attendanceData.representativePhone,
+                managerName: biddingInfo[0].managerName,
+                managerEmail: biddingInfo[0].managerEmail,
+                currentYear: new Date().getFullYear(),
+                language: 'ko'
+              }
+            })
+            
+            console.log(`사양설명회 참석 알림 메일 발송 완료: ${biddingInfo[0].managerEmail}`)
+          } catch (emailError) {
+            console.error('메일 발송 실패:', emailError)
+            // 메일 발송 실패해도 참석 여부 업데이트는 성공으로 처리
+          }
+          
+          return {
+            ...biddingInfo[0],
+            companyName,
+            attendeeCount: attendanceData.attendeeCount,
+            representativeName: attendanceData.representativeName,
+            representativePhone: attendanceData.representativePhone
+          }
+        }
+      }
+
+      return null
+    })
 
     revalidatePath('/partners/bid/[id]')
     return {
       success: true,
-      message: `사양설명회 ${isAttending ? '참석' : '불참'}으로 설정되었습니다.`,
+      message: `사양설명회 ${attendanceData.isAttending ? '참석' : '불참'}으로 설정되었습니다.`,
+      data: result
     }
   } catch (error) {
     console.error('Failed to update partner attendance:', error)
diff --git a/lib/bidding/detail/table/bidding-detail-vendor-columns.tsx b/lib/bidding/detail/table/bidding-detail-vendor-columns.tsx
index ef075459..9e06d5d1 100644
--- a/lib/bidding/detail/table/bidding-detail-vendor-columns.tsx
+++ b/lib/bidding/detail/table/bidding-detail-vendor-columns.tsx
@@ -114,69 +114,66 @@ export function getBiddingDetailVendorColumns({
       ),
     },
     {
-      accessorKey: 'offeredPaymentTerms',
+      accessorKey: 'paymentTermsResponse',
       header: '지급조건',
-      cell: ({ row }) => {
-        const terms = row.original.offeredPaymentTerms
-        if (!terms) return <div className="text-muted-foreground">-</div>
-
-        try {
-          const parsed = JSON.parse(terms)
-          return (
-            <div className="text-sm max-w-32 truncate" title={parsed.join(', ')}>
-              {parsed.join(', ')}
-            </div>
-          )
-        } catch {
-          return <div className="text-sm max-w-32 truncate">{terms}</div>
-        }
-      },
+      cell: ({ row }) => (
+        <div className="text-sm max-w-32 truncate" title={row.original.paymentTermsResponse || ''}>
+          {row.original.paymentTermsResponse || '-'}
+        </div>
+      ),
     },
     {
-      accessorKey: 'offeredTaxConditions',
+      accessorKey: 'taxConditionsResponse',
       header: '세금조건',
-      cell: ({ row }) => {
-        const conditions = row.original.offeredTaxConditions
-        if (!conditions) return <div className="text-muted-foreground">-</div>
-
-        try {
-          const parsed = JSON.parse(conditions)
-          return (
-            <div className="text-sm max-w-32 truncate" title={parsed.join(', ')}>
-              {parsed.join(', ')}
-            </div>
-          )
-        } catch {
-          return <div className="text-sm max-w-32 truncate">{conditions}</div>
-        }
-      },
+      cell: ({ row }) => (
+        <div className="text-sm max-w-32 truncate" title={row.original.taxConditionsResponse || ''}>
+          {row.original.taxConditionsResponse || '-'}
+        </div>
+      ),
     },
     {
-      accessorKey: 'offeredIncoterms',
+      accessorKey: 'incotermsResponse',
       header: '운송조건',
-      cell: ({ row }) => {
-        const terms = row.original.offeredIncoterms
-        if (!terms) return <div className="text-muted-foreground">-</div>
-
-        try {
-          const parsed = JSON.parse(terms)
-          return (
-            <div className="text-sm max-w-24 truncate" title={parsed.join(', ')}>
-              {parsed.join(', ')}
-            </div>
-          )
-        } catch {
-          return <div className="text-sm max-w-24 truncate">{terms}</div>
-        }
-      },
+      cell: ({ row }) => (
+        <div className="text-sm max-w-24 truncate" title={row.original.incotermsResponse || ''}>
+          {row.original.incotermsResponse || '-'}
+        </div>
+      ),
     },
     {
-      accessorKey: 'offeredContractDeliveryDate',
-      header: '납품요청일',
+      accessorKey: 'proposedContractDeliveryDate',
+      header: '제안납기일',
       cell: ({ row }) => (
         <div className="text-sm">
-          {row.original.offeredContractDeliveryDate ?
-            new Date(row.original.offeredContractDeliveryDate).toLocaleDateString('ko-KR') : '-'}
+          {row.original.proposedContractDeliveryDate ?
+            new Date(row.original.proposedContractDeliveryDate).toLocaleDateString('ko-KR') : '-'}
+        </div>
+      ),
+    },
+    {
+      accessorKey: 'proposedShippingPort',
+      header: '제안선적지',
+      cell: ({ row }) => (
+        <div className="text-sm max-w-24 truncate" title={row.original.proposedShippingPort || ''}>
+          {row.original.proposedShippingPort || '-'}
+        </div>
+      ),
+    },
+    {
+      accessorKey: 'proposedDestinationPort',
+      header: '제안도착지',
+      cell: ({ row }) => (
+        <div className="text-sm max-w-24 truncate" title={row.original.proposedDestinationPort || ''}>
+          {row.original.proposedDestinationPort || '-'}
+        </div>
+      ),
+    },
+    {
+      accessorKey: 'sparePartResponse',
+      header: '스페어파트',
+      cell: ({ row }) => (
+        <div className="text-sm max-w-24 truncate" title={row.original.sparePartResponse || ''}>
+          {row.original.sparePartResponse || '-'}
         </div>
       ),
     },
diff --git a/lib/bidding/detail/table/bidding-detail-vendor-create-dialog.tsx b/lib/bidding/detail/table/bidding-detail-vendor-create-dialog.tsx
index 9229b09c..bd0f3684 100644
--- a/lib/bidding/detail/table/bidding-detail-vendor-create-dialog.tsx
+++ b/lib/bidding/detail/table/bidding-detail-vendor-create-dialog.tsx
@@ -4,6 +4,8 @@ import * as React from 'react'
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { Label } from '@/components/ui/label'
+import { Textarea } from '@/components/ui/textarea'
+import { Checkbox } from '@/components/ui/checkbox'
 import {
   Dialog,
   DialogContent,
@@ -72,11 +74,18 @@ export function BiddingDetailVendorCreateDialog({
   const [formData, setFormData] = React.useState({
     quotationAmount: 0,
     currency: 'KRW',
-    paymentTerms: '',
-    taxConditions: '',
-    deliveryDate: '',
     awardRatio: 0,
     status: 'pending' as const,
+    // 입찰 조건 (companyConditionResponses 기반)
+    paymentTermsResponse: '',
+    taxConditionsResponse: '',
+    proposedContractDeliveryDate: '',
+    priceAdjustmentResponse: false,
+    incotermsResponse: '',
+    proposedShippingPort: '',
+    proposedDestinationPort: '',
+    sparePartResponse: '',
+    additionalProposals: '',
   })
 
   // Vendor 검색
@@ -163,11 +172,18 @@ export function BiddingDetailVendorCreateDialog({
     setFormData({
       quotationAmount: 0,
       currency: 'KRW',
-      paymentTerms: '',
-      taxConditions: '',
-      deliveryDate: '',
       awardRatio: 0,
       status: 'pending',
+      // 입찰 조건 초기화
+      paymentTermsResponse: '',
+      taxConditionsResponse: '',
+      proposedContractDeliveryDate: '',
+      priceAdjustmentResponse: false,
+      incotermsResponse: '',
+      proposedShippingPort: '',
+      proposedDestinationPort: '',
+      sparePartResponse: '',
+      additionalProposals: '',
     })
   }
 
@@ -291,34 +307,109 @@ export function BiddingDetailVendorCreateDialog({
             </div>
           </div>
 
-          <div className="space-y-2">
-            <Label htmlFor="paymentTerms">지급조건</Label>
-            <Input
-              id="paymentTerms"
-              value={formData.paymentTerms}
-              onChange={(e) => setFormData({ ...formData, paymentTerms: e.target.value })}
-              placeholder="지급조건을 입력하세요"
-            />
-          </div>
 
-          <div className="space-y-2">
-            <Label htmlFor="taxConditions">세금조건</Label>
-            <Input
-              id="taxConditions"
-              value={formData.taxConditions}
-              onChange={(e) => setFormData({ ...formData, taxConditions: e.target.value })}
-              placeholder="세금조건을 입력하세요"
-            />
-          </div>
 
-          <div className="space-y-2">
-            <Label htmlFor="deliveryDate">납품일</Label>
-            <Input
-              id="deliveryDate"
-              type="date"
-              value={formData.deliveryDate}
-              onChange={(e) => setFormData({ ...formData, deliveryDate: e.target.value })}
-            />
+          {/* 입찰 조건 섹션 */}
+          <div className="col-span-2 pt-4 border-t">
+            <h3 className="text-lg font-medium mb-4">입찰 조건 설정</h3>
+            
+            <div className="grid grid-cols-2 gap-4">
+              <div className="space-y-2">
+                <Label htmlFor="paymentTermsResponse">지급조건</Label>
+                <Input
+                  id="paymentTermsResponse"
+                  value={formData.paymentTermsResponse}
+                  onChange={(e) => setFormData({ ...formData, paymentTermsResponse: e.target.value })}
+                  placeholder="지급조건을 입력하세요"
+                />
+              </div>
+              
+              <div className="space-y-2">
+                <Label htmlFor="taxConditionsResponse">세금조건</Label>
+                <Input
+                  id="taxConditionsResponse"
+                  value={formData.taxConditionsResponse}
+                  onChange={(e) => setFormData({ ...formData, taxConditionsResponse: e.target.value })}
+                  placeholder="세금조건을 입력하세요"
+                />
+              </div>
+            </div>
+
+            <div className="grid grid-cols-2 gap-4 mt-4">
+              <div className="space-y-2">
+                <Label htmlFor="incotermsResponse">운송조건 (Incoterms)</Label>
+                <Input
+                  id="incotermsResponse"
+                  value={formData.incotermsResponse}
+                  onChange={(e) => setFormData({ ...formData, incotermsResponse: e.target.value })}
+                  placeholder="운송조건을 입력하세요"
+                />
+              </div>
+              
+              <div className="space-y-2">
+                <Label htmlFor="proposedContractDeliveryDate">제안 계약납기일</Label>
+                <Input
+                  id="proposedContractDeliveryDate"
+                  type="date"
+                  value={formData.proposedContractDeliveryDate}
+                  onChange={(e) => setFormData({ ...formData, proposedContractDeliveryDate: e.target.value })}
+                />
+              </div>
+            </div>
+
+            <div className="grid grid-cols-2 gap-4 mt-4">
+              <div className="space-y-2">
+                <Label htmlFor="proposedShippingPort">제안 선적지</Label>
+                <Input
+                  id="proposedShippingPort"
+                  value={formData.proposedShippingPort}
+                  onChange={(e) => setFormData({ ...formData, proposedShippingPort: e.target.value })}
+                  placeholder="선적지를 입력하세요"
+                />
+              </div>
+              
+              <div className="space-y-2">
+                <Label htmlFor="proposedDestinationPort">제안 도착지</Label>
+                <Input
+                  id="proposedDestinationPort"
+                  value={formData.proposedDestinationPort}
+                  onChange={(e) => setFormData({ ...formData, proposedDestinationPort: e.target.value })}
+                  placeholder="도착지를 입력하세요"
+                />
+              </div>
+            </div>
+
+            <div className="space-y-2 mt-4">
+              <Label htmlFor="sparePartResponse">스페어파트 응답</Label>
+              <Input
+                id="sparePartResponse"
+                value={formData.sparePartResponse}
+                onChange={(e) => setFormData({ ...formData, sparePartResponse: e.target.value })}
+                placeholder="스페어파트 관련 응답을 입력하세요"
+              />
+            </div>
+
+            <div className="space-y-2 mt-4">
+              <Label htmlFor="additionalProposals">추가 제안사항</Label>
+              <Textarea
+                id="additionalProposals"
+                value={formData.additionalProposals}
+                onChange={(e) => setFormData({ ...formData, additionalProposals: e.target.value })}
+                placeholder="추가 제안사항을 입력하세요"
+                rows={3}
+              />
+            </div>
+
+            <div className="flex items-center space-x-2 mt-4">
+              <Checkbox
+                id="priceAdjustmentResponse"
+                checked={formData.priceAdjustmentResponse}
+                onCheckedChange={(checked) =>
+                  setFormData({ ...formData, priceAdjustmentResponse: !!checked })
+                }
+              />
+              <Label htmlFor="priceAdjustmentResponse">연동제 적용</Label>
+            </div>
           </div>
         </div>
         <DialogFooter>
diff --git a/lib/bidding/detail/table/bidding-detail-vendor-edit-dialog.tsx b/lib/bidding/detail/table/bidding-detail-vendor-edit-dialog.tsx
index a48aadd2..75f53503 100644
--- a/lib/bidding/detail/table/bidding-detail-vendor-edit-dialog.tsx
+++ b/lib/bidding/detail/table/bidding-detail-vendor-edit-dialog.tsx
@@ -4,6 +4,8 @@ import * as React from 'react'
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { Label } from '@/components/ui/label'
+import { Textarea } from '@/components/ui/textarea'
+import { Checkbox } from '@/components/ui/checkbox'
 import {
   Dialog,
   DialogContent,
@@ -50,11 +52,18 @@ export function BiddingDetailVendorEditDialog({
     contactPhone: '',
     quotationAmount: 0,
     currency: 'KRW',
-    paymentTerms: '',
-    taxConditions: '',
-    deliveryDate: '',
     awardRatio: 0,
     status: 'pending' as const,
+    // 입찰 조건 (companyConditionResponses 기반)
+    paymentTermsResponse: '',
+    taxConditionsResponse: '',
+    proposedContractDeliveryDate: '',
+    priceAdjustmentResponse: false,
+    incotermsResponse: '',
+    proposedShippingPort: '',
+    proposedDestinationPort: '',
+    sparePartResponse: '',
+    additionalProposals: '',
   })
 
   // vendor가 변경되면 폼 데이터 업데이트
@@ -68,11 +77,18 @@ export function BiddingDetailVendorEditDialog({
         contactPhone: vendor.contactPhone || '',
         quotationAmount: vendor.quotationAmount,
         currency: vendor.currency,
-        paymentTerms: vendor.paymentTerms || '',
-        taxConditions: vendor.taxConditions || '',
-        deliveryDate: vendor.deliveryDate || '',
         awardRatio: vendor.awardRatio || 0,
         status: vendor.status,
+        // 입찰 조건 데이터 (vendor에서 가져오거나 기본값)
+        paymentTermsResponse: '',
+        taxConditionsResponse: '',
+        proposedContractDeliveryDate: '',
+        priceAdjustmentResponse: false,
+        incotermsResponse: '',
+        proposedShippingPort: '',
+        proposedDestinationPort: '',
+        sparePartResponse: '',
+        additionalProposals: '',
       })
     }
   }, [vendor])
@@ -220,30 +236,107 @@ export function BiddingDetailVendorEditDialog({
               </Select>
             </div>
           </div>
-          <div className="space-y-2">
-            <Label htmlFor="edit-paymentTerms">지급조건</Label>
-            <Input
-              id="edit-paymentTerms"
-              value={formData.paymentTerms}
-              onChange={(e) => setFormData({ ...formData, paymentTerms: e.target.value })}
-            />
-          </div>
-          <div className="space-y-2">
-            <Label htmlFor="edit-taxConditions">세금조건</Label>
-            <Input
-              id="edit-taxConditions"
-              value={formData.taxConditions}
-              onChange={(e) => setFormData({ ...formData, taxConditions: e.target.value })}
-            />
-          </div>
-          <div className="space-y-2">
-            <Label htmlFor="edit-deliveryDate">납품일</Label>
-            <Input
-              id="edit-deliveryDate"
-              type="date"
-              value={formData.deliveryDate}
-              onChange={(e) => setFormData({ ...formData, deliveryDate: e.target.value })}
-            />
+          {/* 입찰 조건 섹션 */}
+          <div className="col-span-2 pt-4 border-t">
+            <h3 className="text-lg font-medium mb-4">입찰 조건 설정</h3>
+            
+            <div className="grid grid-cols-2 gap-4">
+              <div className="space-y-2">
+                <Label htmlFor="edit-paymentTermsResponse">지급조건</Label>
+                <Input
+                  id="edit-paymentTermsResponse"
+                  value={formData.paymentTermsResponse}
+                  onChange={(e) => setFormData({ ...formData, paymentTermsResponse: e.target.value })}
+                  placeholder="지급조건을 입력하세요"
+                />
+              </div>
+              
+              <div className="space-y-2">
+                <Label htmlFor="edit-taxConditionsResponse">세금조건</Label>
+                <Input
+                  id="edit-taxConditionsResponse"
+                  value={formData.taxConditionsResponse}
+                  onChange={(e) => setFormData({ ...formData, taxConditionsResponse: e.target.value })}
+                  placeholder="세금조건을 입력하세요"
+                />
+              </div>
+            </div>
+
+            <div className="grid grid-cols-2 gap-4 mt-4">
+              <div className="space-y-2">
+                <Label htmlFor="edit-incotermsResponse">운송조건 (Incoterms)</Label>
+                <Input
+                  id="edit-incotermsResponse"
+                  value={formData.incotermsResponse}
+                  onChange={(e) => setFormData({ ...formData, incotermsResponse: e.target.value })}
+                  placeholder="운송조건을 입력하세요"
+                />
+              </div>
+              
+              <div className="space-y-2">
+                <Label htmlFor="edit-proposedContractDeliveryDate">제안 계약납기일</Label>
+                <Input
+                  id="edit-proposedContractDeliveryDate"
+                  type="date"
+                  value={formData.proposedContractDeliveryDate}
+                  onChange={(e) => setFormData({ ...formData, proposedContractDeliveryDate: e.target.value })}
+                />
+              </div>
+            </div>
+
+            <div className="grid grid-cols-2 gap-4 mt-4">
+              <div className="space-y-2">
+                <Label htmlFor="edit-proposedShippingPort">제안 선적지</Label>
+                <Input
+                  id="edit-proposedShippingPort"
+                  value={formData.proposedShippingPort}
+                  onChange={(e) => setFormData({ ...formData, proposedShippingPort: e.target.value })}
+                  placeholder="선적지를 입력하세요"
+                />
+              </div>
+              
+              <div className="space-y-2">
+                <Label htmlFor="edit-proposedDestinationPort">제안 도착지</Label>
+                <Input
+                  id="edit-proposedDestinationPort"
+                  value={formData.proposedDestinationPort}
+                  onChange={(e) => setFormData({ ...formData, proposedDestinationPort: e.target.value })}
+                  placeholder="도착지를 입력하세요"
+                />
+              </div>
+            </div>
+
+            <div className="space-y-2 mt-4">
+              <Label htmlFor="edit-sparePartResponse">스페어파트 응답</Label>
+              <Input
+                id="edit-sparePartResponse"
+                value={formData.sparePartResponse}
+                onChange={(e) => setFormData({ ...formData, sparePartResponse: e.target.value })}
+                placeholder="스페어파트 관련 응답을 입력하세요"
+              />
+            </div>
+
+            <div className="space-y-2 mt-4">
+              <Label htmlFor="edit-additionalProposals">추가 제안사항</Label>
+              <Textarea
+                id="edit-additionalProposals"
+                value={formData.additionalProposals}
+                onChange={(e) => setFormData({ ...formData, additionalProposals: e.target.value })}
+                placeholder="추가 제안사항을 입력하세요"
+                rows={3}
+              />
+            </div>
+
+            <div className="flex items-center space-x-2 mt-4">
+              <Checkbox
+                id="edit-priceAdjustmentResponse"
+                checked={formData.priceAdjustmentResponse}
+                onCheckedChange={(checked) =>
+                  setFormData({ ...formData, priceAdjustmentResponse: !!checked })
+                }
+              />
+              <Label htmlFor="edit-priceAdjustmentResponse">연동제 적용</Label>
+            </div>
           </div>
         </div>
         <DialogFooter>
diff --git a/lib/bidding/vendor/partners-bidding-attendance-dialog.tsx b/lib/bidding/vendor/partners-bidding-attendance-dialog.tsx
index 270d9ccd..9205c46a 100644
--- a/lib/bidding/vendor/partners-bidding-attendance-dialog.tsx
+++ b/lib/bidding/vendor/partners-bidding-attendance-dialog.tsx
@@ -12,8 +12,10 @@ import {
 } from '@/components/ui/dialog'
 import { Label } from '@/components/ui/label'
 import { RadioGroup, RadioGroupItem } from '@/components/ui/radio-group'
-import { Textarea } from '@/components/ui/textarea'
+import { Input } from '@/components/ui/input'
 import { Badge } from '@/components/ui/badge'
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
+import { ScrollArea } from '@/components/ui/scroll-area'
 import {
   Calendar,
   Users,
@@ -21,11 +23,14 @@ import {
   Clock,
   FileText,
   CheckCircle,
-  XCircle
+  XCircle,
+  Download,
+  User,
+  Phone
 } from 'lucide-react'
 
 import { formatDate } from '@/lib/utils'
-import { updatePartnerAttendance } from '../detail/service'
+import { updatePartnerAttendance, getSpecificationMeetingForPartners } from '../detail/service'
 import { useToast } from '@/hooks/use-toast'
 import { useTransition } from 'react'
 
@@ -55,8 +60,47 @@ export function PartnersBiddingAttendanceDialog({
 }: PartnersBiddingAttendanceDialogProps) {
   const { toast } = useToast()
   const [isPending, startTransition] = useTransition()
+  const [isLoading, setIsLoading] = React.useState(false)
+  const [meetingData, setMeetingData] = React.useState<any>(null)
+  
+  // 폼 상태
   const [attendance, setAttendance] = React.useState<string>('')
-  const [comments, setComments] = React.useState<string>('')
+  const [attendeeCount, setAttendeeCount] = React.useState<string>('')
+  const [representativeName, setRepresentativeName] = React.useState<string>('')
+  const [representativePhone, setRepresentativePhone] = React.useState<string>('')
+
+  // 사양설명회 정보 가져오기
+  React.useEffect(() => {
+    if (open && biddingDetail) {
+      fetchMeetingData()
+    }
+  }, [open, biddingDetail])
+
+  const fetchMeetingData = async () => {
+    if (!biddingDetail) return
+    
+    setIsLoading(true)
+    try {
+      const result = await getSpecificationMeetingForPartners(biddingDetail.id)
+      if (result.success) {
+        setMeetingData(result.data)
+      } else {
+        toast({
+          title: '오류',
+          description: result.error,
+          variant: 'destructive',
+        })
+      }
+    } catch (error) {
+      toast({
+        title: '오류',
+        description: '사양설명회 정보를 불러오는데 실패했습니다.',
+        variant: 'destructive',
+      })
+    } finally {
+      setIsLoading(false)
+    }
+  }
 
   // 다이얼로그 열릴 때 기존 값으로 초기화
   React.useEffect(() => {
@@ -68,7 +112,9 @@ export function PartnersBiddingAttendanceDialog({
       } else {
         setAttendance('')
       }
-      setComments('')
+      setAttendeeCount('')
+      setRepresentativeName('')
+      setRepresentativePhone('')
     }
   }, [open, isAttending])
 
@@ -82,10 +128,39 @@ export function PartnersBiddingAttendanceDialog({
       return
     }
 
+    // 참석하는 경우 필수 정보 체크
+    if (attendance === 'attending') {
+      if (!attendeeCount || !representativeName || !representativePhone) {
+        toast({
+          title: '필수 정보 누락',
+          description: '참석인원수, 참석자 대표 이름, 연락처를 모두 입력해주세요.',
+          variant: 'destructive',
+        })
+        return
+      }
+
+      const countNum = parseInt(attendeeCount)
+      if (isNaN(countNum) || countNum < 1) {
+        toast({
+          title: '잘못된 입력',
+          description: '참석인원수는 1 이상의 숫자를 입력해주세요.',
+          variant: 'destructive',
+        })
+        return
+      }
+    }
+
     startTransition(async () => {
+      const attendanceData = {
+        isAttending: attendance === 'attending',
+        attendeeCount: attendance === 'attending' ? parseInt(attendeeCount) : undefined,
+        representativeName: attendance === 'attending' ? representativeName : undefined,
+        representativePhone: attendance === 'attending' ? representativePhone : undefined,
+      }
+
       const result = await updatePartnerAttendance(
         biddingCompanyId,
-        attendance === 'attending',
+        attendanceData,
         'current-user' // TODO: 실제 사용자 ID
       )
 
@@ -94,6 +169,15 @@ export function PartnersBiddingAttendanceDialog({
           title: '성공',
           description: result.message,
         })
+        
+        // 참석하는 경우 이메일 발송 알림
+        if (attendance === 'attending' && result.data) {
+          toast({
+            title: '참석 알림 발송',
+            description: '사양설명회 담당자에게 참석 알림이 발송되었습니다.',
+          })
+        }
+        
         onSuccess()
         onOpenChange(false)
       } else {
@@ -106,129 +190,200 @@ export function PartnersBiddingAttendanceDialog({
     })
   }
 
+  const handleFileDownload = async (filePath: string, fileName: string) => {
+    try {
+      const { downloadFile } = await import('@/lib/file-download')
+      await downloadFile(filePath, fileName)
+    } catch (error) {
+      console.error('파일 다운로드 실패:', error)
+      toast({
+        title: '다운로드 실패',
+        description: '파일 다운로드 중 오류가 발생했습니다.',
+        variant: 'destructive',
+      })
+    }
+  }
+
   if (!biddingDetail) return null
 
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent className="sm:max-w-[500px]">
+      <DialogContent className="max-w-4xl max-h-[90vh]">
         <DialogHeader>
           <DialogTitle className="flex items-center gap-2">
             <Users className="w-5 h-5" />
-            사양설명회 참석 여부
+            사양설명회
           </DialogTitle>
           <DialogDescription>
-            입찰에 대한 사양설명회 참석 여부를 선택해주세요.
+            {biddingDetail.title}의 사양설명회 정보 및 참석 여부를 확인해주세요.
           </DialogDescription>
         </DialogHeader>
 
-        <div className="space-y-6">
-          {/* 입찰 정보 요약 */}
-          <div className="bg-muted p-4 rounded-lg space-y-3">
-            <div className="flex items-center gap-2">
-              <FileText className="w-4 h-4 text-muted-foreground" />
-              <span className="font-medium">{biddingDetail.title}</span>
-            </div>
-            <div className="flex items-center gap-2">
-              <Badge variant="outline" className="font-mono">
-                {biddingDetail.biddingNumber}
-              </Badge>
-            </div>
-
-            {/* 주요 일정 */}
-            <div className="grid grid-cols-1 gap-2 text-sm">
-              {biddingDetail.preQuoteDate && (
-                <div className="flex items-center gap-2">
-                  <Calendar className="w-4 h-4 text-muted-foreground" />
-                  <span>사전견적 마감: {formatDate(biddingDetail.preQuoteDate, 'KR')}</span>
-                </div>
-              )}
-              {biddingDetail.biddingRegistrationDate && (
-                <div className="flex items-center gap-2">
-                  <Calendar className="w-4 h-4 text-muted-foreground" />
-                  <span>입찰등록 마감: {formatDate(biddingDetail.biddingRegistrationDate, 'KR')}</span>
-                </div>
-              )}
-              {biddingDetail.evaluationDate && (
-                <div className="flex items-center gap-2">
-                  <Calendar className="w-4 h-4 text-muted-foreground" />
-                  <span>평가일: {formatDate(biddingDetail.evaluationDate, 'KR')}</span>
-                </div>
-              )}
-            </div>
-          </div>
-
-          {/* 참석 여부 선택 */}
-          <div className="space-y-3">
-            <Label className="text-base font-medium">참석 여부를 선택해주세요</Label>
-            <RadioGroup
-              value={attendance}
-              onValueChange={setAttendance}
-              className="space-y-3"
-            >
-              <div className="flex items-center space-x-3 p-3 border rounded-lg hover:bg-muted/50 transition-colors">
-                <RadioGroupItem value="attending" id="attending" />
-                <div className="flex items-center gap-2 flex-1">
-                  <CheckCircle className="w-5 h-5 text-green-600" />
-                  <Label htmlFor="attending" className="font-medium cursor-pointer">
-                    참석합니다
-                  </Label>
-                </div>
-              </div>
-              <div className="flex items-center space-x-3 p-3 border rounded-lg hover:bg-muted/50 transition-colors">
-                <RadioGroupItem value="not_attending" id="not_attending" />
-                <div className="flex items-center gap-2 flex-1">
-                  <XCircle className="w-5 h-5 text-red-600" />
-                  <Label htmlFor="not_attending" className="font-medium cursor-pointer">
-                    참석하지 않습니다
-                  </Label>
-                </div>
+        <ScrollArea className="max-h-[75vh]">
+          {isLoading ? (
+            <div className="flex items-center justify-center py-6">
+              <div className="text-center">
+                <div className="animate-spin rounded-full h-6 w-6 border-b-2 border-primary mx-auto mb-2"></div>
+                <p className="text-sm text-muted-foreground">로딩 중...</p>
               </div>
-            </RadioGroup>
-          </div>
-
-          {/* 참석하지 않는 경우 의견 */}
-          {attendance === 'not_attending' && (
-            <div className="space-y-2">
-              <Label htmlFor="comments">불참 사유 (선택사항)</Label>
-              <Textarea
-                id="comments"
-                value={comments}
-                onChange={(e) => setComments(e.target.value)}
-                placeholder="참석하지 않는 이유를 간단히 설명해주세요."
-                rows={3}
-                className="resize-none"
-              />
             </div>
-          )}
+          ) : (
+            <div className="space-y-6">
+              {/* 사양설명회 기본 정보 */}
+              {meetingData && (
+                <Card>
+                  <CardHeader className="pb-3">
+                    <CardTitle className="text-base flex items-center gap-2">
+                      <Calendar className="w-4 h-4" />
+                      설명회 정보
+                    </CardTitle>
+                  </CardHeader>
+                  <CardContent className="pt-0">
+                    <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+                      <div>
+                        <div className="text-sm space-y-2">
+                          <div>
+                            <span className="font-medium">설명회 일정:</span> 
+                            <span className="ml-2">
+                              {meetingData.meetingDate ? formatDate(meetingData.meetingDate, 'KR') : '미정'}
+                            </span>
+                          </div>
+                          <div>
+                            <span className="font-medium">설명회 담당자:</span>
+                            <div className="ml-2 text-muted-foreground">
+                              {meetingData.contactPerson && (
+                                <div>{meetingData.contactPerson}</div>
+                              )}
+                              {meetingData.contactEmail && (
+                                <div>{meetingData.contactEmail}</div>
+                              )}
+                              {meetingData.contactPhone && (
+                                <div>{meetingData.contactPhone}</div>
+                              )}
+                            </div>
+                          </div>
+                        </div>
+                      </div>
+                      
+                      <div>
+                        <div className="text-sm">
+                          <span className="font-medium">설명회 자료:</span>
+                          <div className="mt-2 space-y-1">
+                            {meetingData.documents && meetingData.documents.length > 0 ? (
+                              meetingData.documents.map((doc: any) => (
+                                <Button
+                                  key={doc.id}
+                                  variant="outline"
+                                  size="sm"
+                                  onClick={() => handleFileDownload(doc.filePath, doc.originalFileName)}
+                                  className="flex items-center gap-2 h-8 text-xs"
+                                >
+                                  <Download className="w-3 h-3" />
+                                  {doc.originalFileName}
+                                </Button>
+                              ))
+                            ) : (
+                              <span className="text-muted-foreground">첨부파일 없음</span>
+                            )}
+                          </div>
+                        </div>
+                      </div>
+                    </div>
+                  </CardContent>
+                </Card>
+              )}
 
-          {/* 참석하는 경우 추가 정보 */}
-          {attendance === 'attending' && (
-            <div className="bg-green-50 border border-green-200 rounded-lg p-4">
-              <div className="flex items-start gap-2">
-                <CheckCircle className="w-5 h-5 text-green-600 mt-0.5" />
-                <div className="space-y-1">
-                  <p className="font-medium text-green-800">참석 확인</p>
-                  <p className="text-sm text-green-700">
-                    사양설명회에 참석하겠다고 응답하셨습니다.
-                    회의 일정 및 장소는 추후 별도 안내드리겠습니다.
-                  </p>
-                </div>
-              </div>
-            </div>
-          )}
+              {/* 참석 여부 입력 폼 */}
+              <Card>
+                <CardHeader className="pb-3">
+                  <CardTitle className="text-base">참석 여부</CardTitle>
+                </CardHeader>
+                <CardContent className="pt-0 space-y-4">
+                  <RadioGroup
+                    value={attendance}
+                    onValueChange={setAttendance}
+                    className="space-y-3"
+                  >
+                    <div className="flex items-start space-x-3 p-3 border rounded-lg hover:bg-muted/50 transition-colors">
+                      <RadioGroupItem value="attending" id="attending" className="mt-1" />
+                      <div className="flex-1">
+                        <div className="flex items-center gap-2 mb-3">
+                          <CheckCircle className="w-5 h-5 text-green-600" />
+                          <Label htmlFor="attending" className="font-medium cursor-pointer">
+                            Y (참석)
+                          </Label>
+                        </div>
+                        
+                        {attendance === 'attending' && (
+                          <div className="space-y-3 mt-3 pl-2">
+                            <div className="grid grid-cols-1 md:grid-cols-3 gap-3">
+                              <div>
+                                <Label htmlFor="attendeeCount" className="text-xs">참석인원수</Label>
+                                <Input
+                                  id="attendeeCount"
+                                  type="number"
+                                  min="1"
+                                  value={attendeeCount}
+                                  onChange={(e) => setAttendeeCount(e.target.value)}
+                                  placeholder="명"
+                                  className="h-8 text-sm"
+                                />
+                              </div>
+                              <div>
+                                <Label htmlFor="representativeName" className="text-xs">참석자 대표(이름)</Label>
+                                <Input
+                                  id="representativeName"
+                                  value={representativeName}
+                                  onChange={(e) => setRepresentativeName(e.target.value)}
+                                  placeholder="홍길동 과장"
+                                  className="h-8 text-sm"
+                                />
+                              </div>
+                              <div>
+                                <Label htmlFor="representativePhone" className="text-xs">참석자 대표(연락처)</Label>
+                                <Input
+                                  id="representativePhone"
+                                  value={representativePhone}
+                                  onChange={(e) => setRepresentativePhone(e.target.value)}
+                                  placeholder="010-0000-0000"
+                                  className="h-8 text-sm"
+                                />
+                              </div>
+                            </div>
+                          </div>
+                        )}
+                      </div>
+                    </div>
+                    
+                    <div className="flex items-center space-x-3 p-3 border rounded-lg hover:bg-muted/50 transition-colors">
+                      <RadioGroupItem value="not_attending" id="not_attending" />
+                      <div className="flex items-center gap-2 flex-1">
+                        <XCircle className="w-5 h-5 text-red-600" />
+                        <Label htmlFor="not_attending" className="font-medium cursor-pointer">
+                          N (불참)
+                        </Label>
+                      </div>
+                    </div>
+                  </RadioGroup>
+                </CardContent>
+              </Card>
 
-          {/* 현재 상태 표시 */}
-          {isAttending !== null && (
-            <div className="bg-blue-50 border border-blue-200 rounded-lg p-3">
-              <div className="flex items-center gap-2 text-blue-800">
-                <Clock className="w-4 h-4" />
-                <span className="text-sm">
-                  현재 상태: {isAttending ? '참석' : '불참'} ({formatDate(new Date().toISOString(), 'KR')} 기준)
-                </span>
-              </div>
+              {/* 현재 상태 표시 */}
+              {isAttending !== null && (
+                <Card>
+                  <CardContent className="pt-6">
+                    <div className="flex items-center gap-2 text-blue-800">
+                      <Clock className="w-4 h-4" />
+                      <span className="text-sm">
+                        현재 상태: {isAttending ? '참석' : '불참'} ({formatDate(new Date().toISOString(), 'KR')} 기준)
+                      </span>
+                    </div>
+                  </CardContent>
+                </Card>
+              )}
             </div>
           )}
-        </div>
+        </ScrollArea>
 
         <DialogFooter className="flex gap-2">
           <Button
@@ -240,10 +395,10 @@ export function PartnersBiddingAttendanceDialog({
           </Button>
           <Button
             onClick={handleSubmit}
-            disabled={isPending || !attendance}
+            disabled={isPending || !attendance || isLoading}
             className="min-w-[100px]"
           >
-            {isPending ? '저장 중...' : '저장'}
+            {isPending ? '저장 중...' : '확인'}
           </Button>
         </DialogFooter>
       </DialogContent>
diff --git a/lib/bidding/vendor/partners-bidding-detail.tsx b/lib/bidding/vendor/partners-bidding-detail.tsx
index 4c4db37f..c6ba4926 100644
--- a/lib/bidding/vendor/partners-bidding-detail.tsx
+++ b/lib/bidding/vendor/partners-bidding-detail.tsx
@@ -29,7 +29,6 @@ import {
   submitPartnerResponse,
   updatePartnerAttendance
 } from '../detail/service'
-import { PartnersBiddingAttendanceDialog } from './partners-bidding-attendance-dialog'
 import {
   biddingStatusLabels,
   contractTypeLabels,
@@ -75,20 +74,15 @@ interface BiddingDetail {
   finalQuoteSubmittedAt: string
   isWinner: boolean
   isAttendingMeeting: boolean | null
-  offeredPaymentTerms: string
-  offeredTaxConditions: string
-  offeredIncoterms: string
-  offeredContractDeliveryDate: string
-  offeredShippingPort: string
-  offeredDestinationPort: string
-  isPriceAdjustmentApplicable: boolean
-  responsePaymentTerms: string
-  responseTaxConditions: string
-  responseIncoterms: string
+  // companyConditionResponses에서 가져온 조건들 (제시된 조건과 응답 모두)
+  paymentTermsResponse: string
+  taxConditionsResponse: string
+  incotermsResponse: string
   proposedContractDeliveryDate: string
   proposedShippingPort: string
   proposedDestinationPort: string
   priceAdjustmentResponse: boolean
+  sparePartResponse: string
   additionalProposals: string
   responseSubmittedAt: string
 }
@@ -110,13 +104,11 @@ export function PartnersBiddingDetail({ biddingId, companyId }: PartnersBiddingD
     proposedShippingPort: '',
     proposedDestinationPort: '',
     priceAdjustmentResponse: false,
+    sparePartResponse: '',
     additionalProposals: '',
     isAttendingMeeting: false,
   })
 
-  // 사양설명회 참석 여부 다이얼로그 상태
-  const [isAttendanceDialogOpen, setIsAttendanceDialogOpen] = React.useState(false)
-
   // 데이터 로드
   React.useEffect(() => {
     const loadData = async () => {
@@ -129,15 +121,16 @@ export function PartnersBiddingDetail({ biddingId, companyId }: PartnersBiddingD
           // 기존 응답 데이터로 폼 초기화
           setResponseData({
             finalQuoteAmount: result.finalQuoteAmount?.toString() || '',
-            paymentTermsResponse: result.responsePaymentTerms || '',
-            taxConditionsResponse: result.responseTaxConditions || '',
-            incotermsResponse: result.responseIncoterms || '',
+            paymentTermsResponse: result.paymentTermsResponse || '',
+            taxConditionsResponse: result.taxConditionsResponse || '',
+            incotermsResponse: result.incotermsResponse || '',
             proposedContractDeliveryDate: result.proposedContractDeliveryDate || '',
             proposedShippingPort: result.proposedShippingPort || '',
             proposedDestinationPort: result.proposedDestinationPort || '',
             priceAdjustmentResponse: result.priceAdjustmentResponse || false,
+            sparePartResponse: result.sparePartResponse || '',
             additionalProposals: result.additionalProposals || '',
-            isAttendingMeeting: false, // TODO: biddingCompanies에서 가져와야 함
+            isAttendingMeeting: result.isAttendingMeeting || false,
           })
         }
       } catch (error) {
@@ -180,6 +173,7 @@ export function PartnersBiddingDetail({ biddingId, companyId }: PartnersBiddingD
           proposedShippingPort: responseData.proposedShippingPort,
           proposedDestinationPort: responseData.proposedDestinationPort,
           priceAdjustmentResponse: responseData.priceAdjustmentResponse,
+          sparePartResponse: responseData.sparePartResponse,
           additionalProposals: responseData.additionalProposals,
         },
         'current-user' // TODO: 실제 사용자 ID
@@ -191,15 +185,6 @@ export function PartnersBiddingDetail({ biddingId, companyId }: PartnersBiddingD
           description: result.message,
         })
 
-        // 사양설명회 참석 여부도 업데이트
-        if (responseData.isAttendingMeeting !== undefined) {
-          await updatePartnerAttendance(
-            biddingDetail.biddingCompanyId,
-            responseData.isAttendingMeeting,
-            'current-user'
-          )
-        }
-
         // 데이터 새로고침
         const updatedDetail = await getBiddingDetailsForPartners(biddingId, companyId)
         if (updatedDetail) {
@@ -272,26 +257,6 @@ export function PartnersBiddingDetail({ biddingId, companyId }: PartnersBiddingD
           </div>
         </div>
 
-        {/* 사양설명회 참석 여부 버튼 */}
-        <div className="flex items-center gap-2">
-          <Button
-            variant="outline"
-            onClick={() => setIsAttendanceDialogOpen(true)}
-            className="flex items-center gap-2"
-          >
-            <Users className="w-4 h-4" />
-            사양설명회 참석
-            {biddingDetail.isAttendingMeeting !== null && (
-              <div className="ml-1">
-                {biddingDetail.isAttendingMeeting ? (
-                  <CheckCircle className="w-4 h-4 text-green-600" />
-                ) : (
-                  <XCircle className="w-4 h-4 text-red-600" />
-                )}
-              </div>
-            )}
-          </Button>
-        </div>
       </div>
 
       {/* 입찰 공고 섹션 */}
@@ -368,48 +333,68 @@ export function PartnersBiddingDetail({ biddingId, companyId }: PartnersBiddingD
         </CardContent>
       </Card>
 
-      {/* 제시된 조건 섹션 */}
+      {/* 현재 설정된 조건 섹션 */}
       <Card>
         <CardHeader>
-          <CardTitle>제시된 입찰 조건</CardTitle>
+          <CardTitle>현재 설정된 입찰 조건</CardTitle>
         </CardHeader>
         <CardContent>
-          <div className="space-y-4">
+          <div className="grid grid-cols-2 gap-4">
             <div>
               <Label className="text-sm font-medium">지급조건</Label>
               <div className="mt-1 p-3 bg-muted rounded-md">
-                {biddingDetail.offeredPaymentTerms ?
-                  JSON.parse(biddingDetail.offeredPaymentTerms).join(', ') :
-                  '정보 없음'}
+                {biddingDetail.paymentTermsResponse}
               </div>
             </div>
 
             <div>
               <Label className="text-sm font-medium">세금조건</Label>
               <div className="mt-1 p-3 bg-muted rounded-md">
-                {biddingDetail.offeredTaxConditions ?
-                  JSON.parse(biddingDetail.offeredTaxConditions).join(', ') :
-                  '정보 없음'}
+                {biddingDetail.taxConditionsResponse}
               </div>
             </div>
 
             <div>
               <Label className="text-sm font-medium">운송조건</Label>
               <div className="mt-1 p-3 bg-muted rounded-md">
-                {biddingDetail.offeredIncoterms ?
-                  JSON.parse(biddingDetail.offeredIncoterms).join(', ') :
-                  '정보 없음'}
+                {biddingDetail.incotermsResponse}
               </div>
             </div>
 
-            {biddingDetail.offeredContractDeliveryDate && (
-              <div>
-                <Label className="text-sm font-medium">계약납기일</Label>
-                <div className="mt-1 p-3 bg-muted rounded-md">
-                  {formatDate(biddingDetail.offeredContractDeliveryDate, 'KR')}
-                </div>
+            <div>
+              <Label className="text-sm font-medium">제안 계약납기일</Label>
+              <div className="mt-1 p-3 bg-muted rounded-md">
+                {biddingDetail.proposedContractDeliveryDate ? formatDate(biddingDetail.proposedContractDeliveryDate, 'KR') : '미설정'}
+              </div>
+            </div>
+
+            <div>
+              <Label className="text-sm font-medium">제안 선적지</Label>
+              <div className="mt-1 p-3 bg-muted rounded-md">
+                {biddingDetail.proposedShippingPort}
+              </div>
+            </div>
+
+            <div>
+              <Label className="text-sm font-medium">제안 도착지</Label>
+              <div className="mt-1 p-3 bg-muted rounded-md">
+                {biddingDetail.proposedDestinationPort}
+              </div>
+            </div>
+
+            <div>
+              <Label className="text-sm font-medium">스페어파트 응답</Label>
+              <div className="mt-1 p-3 bg-muted rounded-md">
+                {biddingDetail.sparePartResponse}
+              </div>
+            </div>
+
+            <div>
+              <Label className="text-sm font-medium">연동제 적용</Label>
+              <div className="mt-1 p-3 bg-muted rounded-md">
+                {biddingDetail.priceAdjustmentResponse ? '적용' : '미적용'}
               </div>
-            )}
+            </div>
           </div>
         </CardContent>
       </Card>
@@ -490,6 +475,28 @@ export function PartnersBiddingDetail({ biddingId, companyId }: PartnersBiddingD
             </div>
           </div>
 
+          <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
+            <div className="space-y-2">
+              <Label htmlFor="proposedDestinationPort">제안 도착지</Label>
+              <Input
+                id="proposedDestinationPort"
+                value={responseData.proposedDestinationPort}
+                onChange={(e) => setResponseData({...responseData, proposedDestinationPort: e.target.value})}
+                placeholder="도착지를 입력하세요"
+              />
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="sparePartResponse">스페어파트 응답</Label>
+              <Input
+                id="sparePartResponse"
+                value={responseData.sparePartResponse}
+                onChange={(e) => setResponseData({...responseData, sparePartResponse: e.target.value})}
+                placeholder="스페어파트 관련 응답을 입력하세요"
+              />
+            </div>
+          </div>
+
           <div className="space-y-2">
             <Label htmlFor="additionalProposals">추가 제안사항</Label>
             <Textarea
@@ -512,17 +519,6 @@ export function PartnersBiddingDetail({ biddingId, companyId }: PartnersBiddingD
             <Label htmlFor="priceAdjustmentResponse">연동제 적용에 동의합니다</Label>
           </div>
 
-          <div className="flex items-center space-x-2">
-            <Checkbox
-              id="isAttendingMeeting"
-              checked={responseData.isAttendingMeeting}
-              onCheckedChange={(checked) =>
-                setResponseData({...responseData, isAttendingMeeting: !!checked})
-              }
-            />
-            <Label htmlFor="isAttendingMeeting">사양설명회에 참석합니다</Label>
-          </div>
-
           <div className="flex justify-end pt-4">
             <Button onClick={handleSubmitResponse} disabled={isPending}>
               <Send className="w-4 h-4 mr-2" />
@@ -531,32 +527,6 @@ export function PartnersBiddingDetail({ biddingId, companyId }: PartnersBiddingD
           </div>
         </CardContent>
       </Card>
-
-      {/* 사양설명회 참석 여부 다이얼로그 */}
-      <PartnersBiddingAttendanceDialog
-        biddingDetail={{
-          id: biddingDetail.id,
-          biddingNumber: biddingDetail.biddingNumber,
-          title: biddingDetail.title,
-          preQuoteDate: biddingDetail.preQuoteDate,
-          biddingRegistrationDate: biddingDetail.biddingRegistrationDate,
-          evaluationDate: biddingDetail.evaluationDate,
-        }}
-        biddingCompanyId={biddingDetail.biddingCompanyId}
-        isAttending={biddingDetail.isAttendingMeeting}
-        open={isAttendanceDialogOpen}
-        onOpenChange={setIsAttendanceDialogOpen}
-        onSuccess={() => {
-          // 데이터 새로고침
-          const refreshData = async () => {
-            const updatedDetail = await getBiddingDetailsForPartners(biddingId, companyId)
-            if (updatedDetail) {
-              setBiddingDetail(updatedDetail)
-            }
-          }
-          refreshData()
-        }}
-      />
     </div>
   )
 }
diff --git a/lib/bidding/vendor/partners-bidding-list-columns.tsx b/lib/bidding/vendor/partners-bidding-list-columns.tsx
index b54ca967..41cc329f 100644
--- a/lib/bidding/vendor/partners-bidding-list-columns.tsx
+++ b/lib/bidding/vendor/partners-bidding-list-columns.tsx
@@ -14,7 +14,7 @@ import {
   CheckCircle,
   XCircle,
   Users,
-  Eye,
+  FileText,
   MoreHorizontal,
   Calendar,
   User
@@ -22,6 +22,7 @@ import {
 import { formatDate } from '@/lib/utils'
 import { biddingStatusLabels, contractTypeLabels } from '@/db/schema'
 import { PartnersBiddingListItem } from '../detail/service'
+import { Checkbox } from '@/components/ui/checkbox'
 
 const columnHelper = createColumnHelper<PartnersBiddingListItem>()
 
@@ -31,6 +32,29 @@ interface PartnersBiddingListColumnsProps {
 
 export function getPartnersBiddingListColumns({ setRowAction }: PartnersBiddingListColumnsProps = {}) {
   return [
+    // select 버튼
+    {
+      id: "select",
+      header: ({ table }) => (
+        <Checkbox
+          checked={table.getIsAllPageRowsSelected() || (table.getIsSomePageRowsSelected() && "indeterminate")}
+          onCheckedChange={(v) => table.toggleAllPageRowsSelected(!!v)}
+          aria-label="select all"
+          className="translate-y-0.5"
+        />
+      ),
+      cell: ({ row }) => (
+        <Checkbox
+          checked={row.getIsSelected()}
+          onCheckedChange={(v) => row.toggleSelected(!!v)}
+          aria-label="select row"
+          className="translate-y-0.5"
+        />
+      ),
+      size: 40,
+      enableSorting: false,
+      enableHiding: false,
+    },
     // 입찰 No.
     columnHelper.accessor('biddingNumber', {
       header: '입찰 No.',
@@ -66,10 +90,10 @@ export function getPartnersBiddingListColumns({ setRowAction }: PartnersBiddingL
       },
     }),
 
-    // 상세 (액션 버튼)
+    // 액션 (드롭다운 메뉴)
     columnHelper.display({
       id: 'actions',
-      header: '상세',
+      header: 'Actions',
       cell: ({ row }) => {
         const handleView = () => {
           if (setRowAction) {
@@ -80,15 +104,42 @@ export function getPartnersBiddingListColumns({ setRowAction }: PartnersBiddingL
           }
         }
 
+        const handleAttendance = () => {
+          if (setRowAction) {
+            setRowAction({
+              type: 'attendance',
+              row: { original: row.original }
+            })
+          }
+        }
+
+        const canManageAttendance = row.original.invitationStatus === 'sent' || 
+                                   row.original.invitationStatus === 'accepted'
+
         return (
-          <Button
-            variant="outline"
-            size="sm"
-            onClick={handleView}
-            className="h-8 w-8 p-0"
-          >
-            <Eye className="h-4 w-4" />
-          </Button>
+          <DropdownMenu>
+            <DropdownMenuTrigger asChild>
+              <Button
+                variant="ghost"
+                className="flex h-8 w-8 p-0 data-[state=open]:bg-muted"
+              >
+                <MoreHorizontal className="h-4 w-4" />
+                <span className="sr-only">메뉴 열기</span>
+              </Button>
+            </DropdownMenuTrigger>
+            <DropdownMenuContent align="end" className="w-[160px]">
+              <DropdownMenuItem onClick={handleView}>
+                <FileText className="mr-2 h-4 w-4" />
+                상세보기
+              </DropdownMenuItem>
+              {canManageAttendance && (
+                <DropdownMenuItem onClick={handleAttendance}>
+                  <Users className="mr-2 h-4 w-4" />
+                  참석여부
+                </DropdownMenuItem>
+              )}
+            </DropdownMenuContent>
+          </DropdownMenu>
         )
       },
     }),
@@ -247,14 +298,6 @@ export function getPartnersBiddingListColumns({ setRowAction }: PartnersBiddingL
       ),
     }),
 
-    // 최종수정자
-    columnHelper.accessor('updatedBy', {
-      header: '최종수정자',
-      cell: ({ row }) => (
-        <div className="max-w-20 truncate" title={row.original.updatedBy || ''}>
-          {row.original.updatedBy || '-'}
-        </div>
-      ),
-    }),
+
   ]
 }
diff --git a/lib/bidding/vendor/partners-bidding-list.tsx b/lib/bidding/vendor/partners-bidding-list.tsx
index c0356e22..aa185c3a 100644
--- a/lib/bidding/vendor/partners-bidding-list.tsx
+++ b/lib/bidding/vendor/partners-bidding-list.tsx
@@ -13,6 +13,8 @@ import { DataTable } from '@/components/data-table/data-table'
 import { DataTableAdvancedToolbar } from '@/components/data-table/data-table-advanced-toolbar'
 import { getPartnersBiddingListColumns } from './partners-bidding-list-columns'
 import { getBiddingListForPartners, PartnersBiddingListItem } from '../detail/service'
+import { PartnersBiddingToolbarActions } from './partners-bidding-toolbar-actions'
+import { PartnersBiddingAttendanceDialog } from './partners-bidding-attendance-dialog'
 
 interface PartnersBiddingListProps {
   companyId: number
@@ -133,6 +135,19 @@ export function PartnersBiddingList({ companyId }: PartnersBiddingListProps) {
     clearOnDefault: true,
   })
 
+  // 데이터 새로고침 함수
+  const refreshData = React.useCallback(async () => {
+    try {
+      setIsLoading(true)
+      const result = await getBiddingListForPartners(companyId)
+      setData(result)
+    } catch (error) {
+      console.error('Failed to refresh bidding list:', error)
+    } finally {
+      setIsLoading(false)
+    }
+  }, [companyId])
+
   if (isLoading) {
     return (
       <div className="flex items-center justify-center py-12">
@@ -145,12 +160,32 @@ export function PartnersBiddingList({ companyId }: PartnersBiddingListProps) {
   }
   
   return (
-    <DataTable table={table}>
-      <DataTableAdvancedToolbar
-        table={table}
-        filterFields={advancedFilterFields}
-        shallow={false}
+    <>
+      <DataTable table={table}>
+        <DataTableAdvancedToolbar
+          table={table}
+          filterFields={advancedFilterFields}
+          shallow={false}
+        >
+          <PartnersBiddingToolbarActions table={table} onRefresh={refreshData} setRowAction={setRowAction} />
+        </DataTableAdvancedToolbar>
+      </DataTable>
+
+      <PartnersBiddingAttendanceDialog
+        open={rowAction?.type === "attendance"}
+        onOpenChange={() => setRowAction(null)}
+        biddingDetail={rowAction?.row.original ? {
+          id: rowAction.row.original.biddingId,
+          biddingNumber: rowAction.row.original.biddingNumber,
+          title: rowAction.row.original.title,
+          preQuoteDate: null,
+          biddingRegistrationDate: rowAction.row.original.submissionStartDate?.toISOString() || null,
+          evaluationDate: null,
+        } : null}
+        biddingCompanyId={rowAction?.row.original?.biddingCompanyId || 0}
+        isAttending={rowAction?.row.original?.isAttendingMeeting || null}
+        onSuccess={refreshData}
       />
-    </DataTable>
+    </>
   )
 }
diff --git a/lib/bidding/vendor/partners-bidding-toolbar-actions.tsx b/lib/bidding/vendor/partners-bidding-toolbar-actions.tsx
new file mode 100644
index 00000000..c45568bd
--- /dev/null
+++ b/lib/bidding/vendor/partners-bidding-toolbar-actions.tsx
@@ -0,0 +1,55 @@
+"use client"
+
+import * as React from "react"
+import { type Table } from "@tanstack/react-table"
+import { Users } from "lucide-react"
+
+import { Button } from "@/components/ui/button"
+import { PartnersBiddingListItem } from '../detail/service'
+
+interface PartnersBiddingToolbarActionsProps {
+  table: Table<PartnersBiddingListItem>
+  onRefresh: () => void
+  setRowAction?: (action: { type: string; row: { original: PartnersBiddingListItem } }) => void
+}
+
+export function PartnersBiddingToolbarActions({ 
+  table, 
+  onRefresh,
+  setRowAction 
+}: PartnersBiddingToolbarActionsProps) {
+  // 선택된 행 가져오기 (단일 선택)
+  const selectedRows = table.getFilteredSelectedRowModel().rows
+  const selectedBidding = selectedRows.length === 1 ? selectedRows[0].original : null
+
+  // 사양설명회 참석 여부 버튼 활성화 조건
+  const canManageAttendance = selectedBidding && (
+    selectedBidding.invitationStatus === 'sent' || 
+    selectedBidding.invitationStatus === 'accepted' ||
+    selectedBidding.invitationStatus === 'submitted'
+  )
+
+  const handleAttendanceClick = () => {
+    if (selectedBidding && setRowAction) {
+      setRowAction({ 
+        type: 'attendance', 
+        row: { original: selectedBidding } 
+      })
+    }
+  }
+
+  return (
+    <div className="flex items-center gap-2">
+      <Button
+        variant="outline"
+        size="sm"
+        onClick={handleAttendanceClick}
+        disabled={!canManageAttendance}
+        className="flex items-center gap-2"
+      >
+        <Users className="w-4 h-4" />
+        사양설명회 참석여부
+      </Button>
+    </div>
+  )
+}
\ No newline at end of file
diff --git a/lib/mail/templates/specification-meeting-attendance.hbs b/lib/mail/templates/specification-meeting-attendance.hbs
new file mode 100644
index 00000000..951bf72b
--- /dev/null
+++ b/lib/mail/templates/specification-meeting-attendance.hbs
@@ -0,0 +1,92 @@
+<!DOCTYPE html>
+<html lang="ko">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>사양설명회 참석 알림</title>
+</head>
+<body style="margin: 0; padding: 0; font-family: 'Malgun Gothic', Arial, sans-serif; background-color: #f5f5f5;">
+    <div style="max-width: 600px; margin: 20px auto; background-color: #ffffff; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1);">
+        <!-- Header -->
+        <div style="background-color: #1e40af; color: white; padding: 20px; border-radius: 8px 8px 0 0;">
+            <h1 style="margin: 0; font-size: 24px; font-weight: bold;">사양설명회 참석 알림</h1>
+            <p style="margin: 8px 0 0 0; opacity: 0.9; font-size: 14px;">Specification Meeting Attendance Notification</p>
+        </div>
+
+        <!-- Content -->
+        <div style="padding: 30px;">
+            <!-- 기본 정보 -->
+            <div style="margin-bottom: 25px;">
+                <h2 style="color: #1e40af; font-size: 18px; margin-bottom: 15px; border-bottom: 2px solid #e5e7eb; padding-bottom: 8px;">입찰 정보</h2>
+                <table style="width: 100%; border-collapse: collapse;">
+                    <tr>
+                        <td style="padding: 8px 0; font-weight: bold; color: #374151; width: 120px;">입찰번호:</td>
+                        <td style="padding: 8px 0; color: #6b7280;">{{biddingNumber}}</td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 8px 0; font-weight: bold; color: #374151;">입찰명:</td>
+                        <td style="padding: 8px 0; color: #6b7280;">{{title}}</td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 8px 0; font-weight: bold; color: #374151;">업체명:</td>
+                        <td style="padding: 8px 0; color: #6b7280;">{{companyName}}</td>
+                    </tr>
+                </table>
+            </div>
+
+            <!-- 참석 정보 -->
+            <div style="background-color: #ecfdf5; border: 1px solid #a7f3d0; border-radius: 6px; padding: 20px; margin-bottom: 25px;">
+                <h3 style="color: #065f46; margin: 0 0 15px 0; font-size: 16px; display: flex; align-items: center;">
+                    <span style="background-color: #10b981; color: white; border-radius: 50%; width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center; margin-right: 8px; font-size: 12px;">✓</span>
+                    참석 확정
+                </h3>
+                <table style="width: 100%; border-collapse: collapse;">
+                    <tr>
+                        <td style="padding: 5px 0; font-weight: bold; color: #065f46; width: 120px;">참석인원:</td>
+                        <td style="padding: 5px 0; color: #047857;">{{attendeeCount}}명</td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 5px 0; font-weight: bold; color: #065f46;">참석자 대표:</td>
+                        <td style="padding: 5px 0; color: #047857;">{{representativeName}}</td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 5px 0; font-weight: bold; color: #065f46;">연락처:</td>
+                        <td style="padding: 5px 0; color: #047857;">{{representativePhone}}</td>
+                    </tr>
+                </table>
+            </div>
+
+            <!-- 안내 사항 -->
+            <div style="background-color: #fef3c7; border: 1px solid #fbbf24; border-radius: 6px; padding: 15px; margin-bottom: 25px;">
+                <h3 style="color: #92400e; margin: 0 0 10px 0; font-size: 14px; font-weight: bold;">📋 안내사항</h3>
+                <ul style="margin: 0; padding-left: 20px; color: #92400e; font-size: 14px; line-height: 1.5;">
+                    <li>사양설명회 일정 및 장소는 별도로 안내드릴 예정입니다.</li>
+                    <li>참석인원 변경이 필요한 경우 사전에 연락바랍니다.</li>
+                    <li>문의사항이 있으시면 아래 연락처로 연락해주세요.</li>
+                </ul>
+            </div>
+
+            <!-- 연락처 정보 -->
+            <div style="border-top: 1px solid #e5e7eb; padding-top: 20px;">
+                <h3 style="color: #374151; font-size: 16px; margin-bottom: 10px;">담당자 연락처</h3>
+                <p style="margin: 5px 0; color: #6b7280; font-size: 14px;">
+                    📧 이메일: {{managerEmail}}<br>
+                    {{#if managerPhone}}📞 전화: {{managerPhone}}<br>{{/if}}
+                    👤 담당자: {{managerName}}
+                </p>
+            </div>
+        </div>
+
+        <!-- Footer -->
+        <div style="background-color: #f9fafb; padding: 20px; border-radius: 0 0 8px 8px; border-top: 1px solid #e5e7eb; text-align: center;">
+            <p style="margin: 0; color: #6b7280; font-size: 12px;">
+                본 메일은 자동으로 발송되었습니다. 회신하지 마세요.<br>
+                This email was sent automatically. Please do not reply.
+            </p>
+            <p style="margin: 10px 0 0 0; color: #9ca3af; font-size: 11px;">
+                © {{currentYear}} Samsung Heavy Industries. All rights reserved.
+            </p>
+        </div>
+    </div>
+</body>
+</html>