fix(API): 견적 관리 필드 저장/조회 개선

- QuoteStoreRequest/UpdateRequest: manager, contact, remarks 필드 추가
- QuoteController: store에서 validated 데이터 로깅 추가 (디버깅용)
- QuoteService: manager, contact, remarks 필드 저장/조회 로직 추가
- FormulaEvaluatorService: BOM 계산 서비스 개선

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

app/Http/Controllers/Api/V1/QuoteController.php

@@ -17,6 +17,7 @@
 use App\Services\Quote\QuoteDocumentService;
 use App\Services\Quote\QuoteNumberService;
 use App\Services\Quote\QuoteService;
+use Illuminate\Support\Facades\Log;
 
 class QuoteController extends Controller
 {
@@ -52,8 +53,26 @@ public function show(int $id)
      */
     public function store(QuoteStoreRequest $request)
     {
-        return ApiResponse::handle(function () use ($request) {
-            return $this->quoteService->store($request->validated());
+        // DEBUG: 요청 데이터 로깅
+        Log::info('[QuoteController::store] 원본 요청:', [
+            'author' => $request->input('author'),
+            'manager' => $request->input('manager'),
+            'contact' => $request->input('contact'),
+            'remarks' => $request->input('remarks'),
+        ]);
+
+        $validated = $request->validated();
+
+        // DEBUG: validated 데이터 로깅
+        Log::info('[QuoteController::store] validated 데이터:', [
+            'author' => $validated['author'] ?? 'NOT_SET',
+            'manager' => $validated['manager'] ?? 'NOT_SET',
+            'contact' => $validated['contact'] ?? 'NOT_SET',
+            'remarks' => $validated['remarks'] ?? 'NOT_SET',
+        ]);
+
+        return ApiResponse::handle(function () use ($validated) {
+            return $this->quoteService->store($validated);
         }, __('message.quote.created'));
     }