From 06552ad64eb83e75e22ffe91ea3c7ce90041ca4a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B6=8C=ED=98=81=EC=84=B1?= <shine1324@gmail.com>
Date: Fri, 30 Jan 2026 21:06:55 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20=EC=8A=A4=ED=81=AC=EB=A6=B0=20=EB=A9=B4?=
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- 기존: (W0+160) × (H0+350+550) / 1,000,000 (W1×H1 기반)
- 수정: W0 × (H0+550) / 1,000,000 (5130 공식과 동일)
- 전 모델 10개 조합 검증 완료 (SAM = 5130 정확 일치)
  KSS01/02, KSE01, KTE01, KWE01, KQTS01, KDSS01
  SUS마감/EGI마감 모두 확인

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 .../Quote/Handlers/KyungdongFormulaHandler.php         | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/app/Services/Quote/Handlers/KyungdongFormulaHandler.php b/app/Services/Quote/Handlers/KyungdongFormulaHandler.php
index 151daa9..430d57d 100644
--- a/app/Services/Quote/Handlers/KyungdongFormulaHandler.php
+++ b/app/Services/Quote/Handlers/KyungdongFormulaHandler.php
@@ -229,12 +229,10 @@ private function getMotorCapacityByWeight(float $weight, ?string $bracketInch =
      */
     public function calculateScreenPrice(float $width, float $height): array
     {
-        // 면적 계산: W1 × (H1 + 550) / 1,000,000
-        // W1 = W0 + 160, H1 = H0 + 350 (레거시 5130 공식)
-        $W1 = $width + 160;
-        $H1 = $height + 350;
-        $calculateHeight = $H1 + 550;
-        $area = ($W1 * $calculateHeight) / 1000000;
+        // 면적 계산: W0 × (H0 + 550) / 1,000,000
+        // 5130 공식: col10 × (col11 + 550) / 1,000,000
+        $calculateHeight = $height + 550;
+        $area = ($width * $calculateHeight) / 1000000;
 
         // 원자재 단가 조회 (실리카/스크린)
         $unitPrice = $this->getRawMaterialPrice('실리카');