feat: Add Complex (단지선택) filter to Carmodoo search

- Added complex_code parameter to search_cars method
- Added /api/carmodoo/complexes endpoint with list of Korean auto complexes
- Added Complex dropdown as first filter in admin Cars search
- Passes complex_code to Carmodoo API as c_danji parameter

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/app/api/carmodoo.py

@@ -170,6 +170,7 @@ class CarmodooClient:
         price_max: Optional[int] = None,
         fuel: Optional[str] = None,
         transmission: Optional[str] = None,
+        complex_code: Optional[str] = None,  # 단지 코드
         page: int = 1,
         page_size: int = 50
     ) -> List[dict]:
@@ -234,6 +235,8 @@ class CarmodooClient:
                     }
                     if transmission in trans_map:
                         form_data['dGA'] = trans_map[transmission]
+                if complex_code:
+                    form_data['c_danji'] = complex_code  # 단지 코드
 
                 ajax_headers = {
                     **self.headers,
@@ -1009,6 +1012,36 @@ async def get_grades(maker_code: str, model_code: str):
     return grades
 
 
+# 카모두 단지 목록 (자동차 매매단지)
+CARMODOO_COMPLEXES = [
+    {"code": "", "name": "전체"},
+    {"code": "1", "name": "수원매매단지"},
+    {"code": "2", "name": "판교매매단지"},
+    {"code": "3", "name": "김포매매단지"},
+    {"code": "4", "name": "부산매매단지"},
+    {"code": "5", "name": "대구매매단지"},
+    {"code": "6", "name": "광주매매단지"},
+    {"code": "7", "name": "인천매매단지"},
+    {"code": "8", "name": "대전매매단지"},
+    {"code": "9", "name": "울산매매단지"},
+    {"code": "10", "name": "창원매매단지"},
+    {"code": "11", "name": "천안매매단지"},
+    {"code": "12", "name": "청주매매단지"},
+    {"code": "13", "name": "전주매매단지"},
+]
+
+
+class CarmodooComplex(BaseModel):
+    code: str
+    name: str
+
+
+@router.get("/complexes")
+def get_complexes():
+    """단지 목록 (자동차 매매단지)"""
+    return [CarmodooComplex(**c) for c in CARMODOO_COMPLEXES]
+
+
 class AdminSearchResultItem(BaseModel):
     id: str
     car_name: str
@@ -1048,6 +1081,7 @@ class AdminSearchResponse(BaseModel):
 
 @router.get("/search", response_model=AdminSearchResponse)
 async def admin_carmodoo_search(
+    complex_code: Optional[str] = None,  # 단지 코드
     maker_code: Optional[str] = None,
     model_code: Optional[str] = None,
     car_type: Optional[str] = None,
@@ -1084,6 +1118,7 @@ async def admin_carmodoo_search(
         price_min=price_min,
         price_max=price_max,
         fuel=fuel,
+        complex_code=complex_code,
         page=page,
         page_size=page_size
     )

frontend/src/app/admin/cars/page.tsx

@@ -86,6 +86,7 @@ interface LocalCar {
 }
 
 interface SearchFilters {
+  complex_code: string;  // 단지 코드
   maker_code: string;
   model_code: string;
   grade: string;
@@ -99,6 +100,11 @@ interface SearchFilters {
   displacement_max: string;
 }
 
+interface CarmodooComplex {
+  code: string;
+  name: string;
+}
+
 const FUEL_TYPES = [
   { value: '', label: 'All' },
   { value: '가솔린', label: 'Gasoline' },
@@ -166,6 +172,7 @@ export default function CarsAdminPage() {
   const [totalCount, setTotalCount] = useState(0);
   const [currentPage, setCurrentPage] = useState(1);
   const [filters, setFilters] = useState<SearchFilters>({
+    complex_code: '',
     maker_code: '',
     model_code: '',
     grade: '',
@@ -178,6 +185,7 @@ export default function CarsAdminPage() {
     displacement_min: '',
     displacement_max: '',
   });
+  const [complexes, setComplexes] = useState<CarmodooComplex[]>([]);
   const [importResult, setImportResult] = useState<{
     imported: number;
     skipped: number;
@@ -585,8 +593,12 @@ export default function CarsAdminPage() {
 
   const loadInitialData = async () => {
     try {
-      const makersRes = await api.get('/carmodoo/makers');
+      const [makersRes, complexesRes] = await Promise.all([
+        api.get('/carmodoo/makers'),
+        api.get('/carmodoo/complexes'),
+      ]);
       setMakers(makersRes.data);
+      setComplexes(complexesRes.data);
     } catch (err) {
       console.error('Failed to load initial data:', err);
     }
@@ -623,6 +635,7 @@ export default function CarsAdminPage() {
     try {
       const params: Record<string, any> = { page, page_size: 20 };
 
+      if (filters.complex_code) params.complex_code = filters.complex_code;
       if (filters.maker_code) params.maker_code = filters.maker_code;
       if (filters.model_code) params.model_code = filters.model_code;
       if (filters.grade) params.grade = filters.grade;
@@ -1953,8 +1966,26 @@ export default function CarsAdminPage() {
           <div className="bg-white rounded-xl shadow-sm p-6 mb-6">
             <h2 className="text-lg font-semibold text-gray-800 mb-4">Search from Carmodoo</h2>
 
-            {/* First Row: Maker, Model, Car Type, Grade */}
+            {/* First Row: Complex, Maker, Model, Grade */}
             <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4 mb-4">
+              {/* Complex (단지선택) */}
+              <div>
+                <label className="block text-sm font-medium text-gray-700 mb-1">
+                  Complex (단지선택)
+                </label>
+                <select
+                  value={filters.complex_code}
+                  onChange={(e) => handleFilterChange('complex_code', e.target.value)}
+                  className="w-full border border-gray-300 rounded-lg px-3 py-2 focus:ring-2 focus:ring-primary-500 focus:border-primary-500"
+                >
+                  {complexes.map((complex) => (
+                    <option key={complex.code} value={complex.code}>
+                      {complex.name}
+                    </option>
+                  ))}
+                </select>
+              </div>
+
               {/* Maker (제조사) */}
               <div>
                 <label className="block text-sm font-medium text-gray-700 mb-1">