feat: 견적서 모달 회사정보 API 연동

- getCompanyInfo() API 함수 추가 (GET /api/v1/tenants)
- EstimateDocumentModal에 회사정보 API 연동
- 하드코딩된 회사명/주소/연락처 제거
- 결재란 견적자명 동적 표시
- constants.ts 모듈 유효성 수정

src/components/business/construction/estimates/actions.ts

@@ -1138,4 +1138,78 @@ export async function getEstimateOptions(): Promise<{
     console.error('견적서 옵션 일괄 조회 오류:', error);
     return { success: false, error: '견적서 옵션을 불러오는데 실패했습니다.' };
   }
+}
+
+// ========================================
+// 회사 정보 조회 (Tenant API)
+// ========================================
+
+/**
+ * 회사 정보 타입 (견적서용)
+ */
+export interface CompanyInfo {
+  companyName: string;
+  representativeName: string;
+  address: string;
+  phone: string;
+  fax: string;
+  email: string;
+  managerName: string;
+  managerPhone: string;
+}
+
+/**
+ * 회사 정보 조회 (견적서 모달용)
+ * GET /api/v1/tenants
+ */
+export async function getCompanyInfo(): Promise<{
+  success: boolean;
+  data?: CompanyInfo;
+  error?: string;
+}> {
+  try {
+    const response = await apiClient.get<{
+      success: boolean;
+      message: string;
+      data: {
+        id: number;
+        company_name: string;
+        ceo_name?: string;
+        email?: string;
+        phone?: string;
+        fax?: string;
+        address?: string;
+        options?: {
+          manager_name?: string;
+          address_detail?: string;
+          zip_code?: string;
+        };
+      };
+    }>('/tenants');
+
+    const tenant = response.data;
+    const opts = tenant.options || {};
+
+    // 주소 조합: 우편번호 + 주소 + 상세주소
+    const fullAddress = [opts.zip_code, tenant.address, opts.address_detail]
+      .filter(Boolean)
+      .join(' ');
+
+    return {
+      success: true,
+      data: {
+        companyName: tenant.company_name || '',
+        representativeName: tenant.ceo_name || '',
+        address: fullAddress || tenant.address || '',
+        phone: tenant.phone || '',
+        fax: tenant.fax || '',
+        email: tenant.email || '',
+        managerName: opts.manager_name || '',
+        managerPhone: tenant.phone || '',
+      },
+    };
+  } catch (error) {
+    console.error('회사 정보 조회 오류:', error);
+    return { success: false, error: '회사 정보를 불러오는데 실패했습니다.' };
+  }
 }

src/components/business/construction/estimates/modals/EstimateDocumentModal.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useCallback } from 'react';
+import { useCallback, useEffect, useState } from 'react';
 import { useRouter } from 'next/navigation';
 import { Printer, Pencil, Send, X as XIcon } from 'lucide-react';
 import { Button } from '@/components/ui/button';
@@ -12,6 +12,7 @@ import {
 } from '@/components/ui/dialog';
 import { printArea } from '@/lib/print-utils';
 import type { EstimateDetailFormData } from '../types';
+import { getCompanyInfo, type CompanyInfo } from '../actions';
 
 // 금액 포맷팅
 function formatAmount(amount: number): string {
@@ -65,6 +66,20 @@ export function EstimateDocumentModal({
 }: EstimateDocumentModalProps) {
   const router = useRouter();
 
+  // 회사 정보 상태
+  const [companyInfo, setCompanyInfo] = useState<CompanyInfo | null>(null);
+
+  // 회사 정보 로드
+  useEffect(() => {
+    if (isOpen) {
+      getCompanyInfo().then((result) => {
+        if (result.success && result.data) {
+          setCompanyInfo(result.data);
+        }
+      });
+    }
+  }, [isOpen]);
+
   // 인쇄
   const handlePrint = useCallback(() => {
     printArea({ title: '견적서 인쇄' });
@@ -78,22 +93,22 @@ export function EstimateDocumentModal({
     }
   }, [estimateId, onClose, router]);
 
-  // 견적서 문서 데이터
+  // 견적서 문서 데이터 (회사 정보는 API에서 로드)
   const documentData = {
-    documentNo: formData.estimateCode || 'ABC123',
-    createdDate: formData.siteBriefing.briefingDate || '2025년 11월 11일',
+    documentNo: formData.estimateCode || '',
+    createdDate: formData.siteBriefing.briefingDate || '',
     recipient: formData.siteBriefing.partnerName || '',
-    companyName: formData.siteBriefing.companyName || '(주) 주일기업',
+    companyName: companyInfo?.companyName || formData.siteBriefing.companyName || '',
     projectName: formData.bidInfo.projectName || '',
-    address: '주소',
+    address: companyInfo?.address || '',
     amount: formData.summaryItems.reduce((sum, item) => sum + item.totalCost, 0),
-    date: formData.bidInfo.bidDate || '2025년 12월 12일',
-    manager: formData.estimateCompanyManager || '',
-    managerContact: formData.estimateCompanyManagerContact || '',
+    date: formData.bidInfo.bidDate || '',
+    manager: companyInfo?.managerName || formData.estimateCompanyManager || '',
+    managerContact: companyInfo?.managerPhone || formData.estimateCompanyManagerContact || '',
     contact: {
-      hp: '010-3679-2188',
-      tel: '(02) 849-5130',
-      fax: '(02) 6911-6315',
+      hp: companyInfo?.managerPhone || '',
+      tel: companyInfo?.phone || '',
+      fax: companyInfo?.fax || '',
     },
     note: '하기와 같이 보내합니다.',
   };
@@ -160,13 +175,13 @@ export function EstimateDocumentModal({
                     </tr>
                     <tr>
                       <td className="border border-gray-400 px-2 py-3 text-center whitespace-nowrap">결재</td>
-                      <td className="border border-gray-400 px-4 py-3 text-center whitespace-nowrap">홍길동</td>
-                      <td className="border border-gray-400 px-4 py-3 text-center whitespace-nowrap">이름</td>
+                      <td className="border border-gray-400 px-4 py-3 text-center whitespace-nowrap">{formData.estimatorName || ''}</td>
+                      <td className="border border-gray-400 px-4 py-3 text-center whitespace-nowrap"></td>
                     </tr>
                     <tr>
                       <td className="border border-gray-400"></td>
-                      <td className="border border-gray-400 px-4 py-1 text-center whitespace-nowrap">부서명</td>
-                      <td className="border border-gray-400 px-4 py-1 text-center whitespace-nowrap">부서명</td>
+                      <td className="border border-gray-400 px-4 py-1 text-center whitespace-nowrap"></td>
+                      <td className="border border-gray-400 px-4 py-1 text-center whitespace-nowrap"></td>
                     </tr>
                   </tbody>
                 </table>

src/components/business/construction/estimates/utils/constants.ts

@@ -1,6 +1,13 @@
-// 견적서 상수 정의
-// 모든 MOCK 데이터는 API로 대체됨:
-// - 재료(material_type): getCommonCodeOptions('material_type')
-// - 공과 품목: getExpenseItemOptions()
-// - 도장/모터/제어기/시공비: getCommonCodeOptions('{group}')
-// - 거래처/견적자: getClientOptions(), getUserOptions()
+/**
+ * 견적서 상수 정의
+ *
+ * 모든 MOCK 데이터는 API로 대체됨:
+ * - 재료(material_type): getCommonCodeOptions('material_type')
+ * - 공과 품목: getExpenseItemOptions()
+ * - 도장/모터/제어기/시공비: getCommonCodeOptions('{group}')
+ * - 거래처/견적자: getClientOptions(), getUserOptions()
+ * - 회사 정보: getCompanyInfo()
+ */
+
+// 빈 export로 모듈 유효성 유지
+export {};