From afea225ae587202bc3c4045dfaf0473b230c79e3 Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Mon, 14 Sep 2026 10:54:37 +0900
Subject: [PATCH] =?UTF-8?q?feat(b08):=20=EC=9E=90=EC=9E=AC=EC=B4=9D?=
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Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016VBGFXB9AbJBwXP19z75Qq
---
 B08_Quantity/B08_Quantity_UI_Page.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/B08_Quantity/B08_Quantity_UI_Page.ts b/B08_Quantity/B08_Quantity_UI_Page.ts
index abc717ee..64fabd9d 100644
--- a/B08_Quantity/B08_Quantity_UI_Page.ts
+++ b/B08_Quantity/B08_Quantity_UI_Page.ts
@@ -95,6 +95,7 @@ async function saveQuantitySettings(projectId: string, draft: DraftSettings): Pr
         //   병합해 옛 값이 남아 되돌릴 길이 없다(화면에서 걸린 자리). 빈 값은 서버가 버린다.
         rock_methods: draft.rock_methods,
         material_supply: draft.material_supply,
+        material_surcharge: draft.material_surcharge,
         concrete_placing_method: draft.concrete_placing_method,
         // ⚠ `null` 도 그대로 보낸다 — 「안 정함」으로 되돌릴 길이 있어야 한다(시공법과 같은 규칙).
         topsoil_thickness_m: draft.topsoil_thickness_m,
@@ -314,6 +315,8 @@ interface DraftSettings {
   tree_waste_root_method: string;
   // 자재별 관급/사급 — 표 안에서 줄마다 고른 값.
   material_supply: Record<string, SupplyChoice>;
+  // 자재별 할증률(%) — 표값 이내에서 고른 값만 · `null` 은 표값.
+  material_surcharge: Record<string, number | null>;
   // 갈래별 토량환산계수(다짐) — `compacted` 가 `null` 이면 「안 고름」이라 기본값이 선다.
   conversion_factors: Record<string, FactorDraft>;
   // 도쟈 한계거리(m) — `null` 은 기본값(서버 정본 60 m)이 선다.
@@ -925,6 +928,7 @@ function buildQuantityBody(
               material.material,
               {
                 choices: draft.material_supply,
+                surcharge: draft.material_surcharge,
                 onChange: () => {
                   draft.dirty = true;
                 },
@@ -1011,6 +1015,9 @@ export async function renderB08Quantity(root: HTMLElement): Promise<void> {
       ...((stored.ancillary_counts ?? {}) as Record<string, number | null>),
     },
     material_supply: { ...((stored.material_supply ?? {}) as Record<string, SupplyChoice>) },
+    material_surcharge: {
+      ...((stored.material_surcharge ?? {}) as Record<string, number | null>),
+    },
     // ⚠ 저장분에 있는 갈래만 담는다 — 기본값을 복사해 넣으면 「안 고름」이 사라진다.
     conversion_factors: Object.fromEntries(
       Object.entries(stored.conversion_factors_override ?? {}).map(([kind, entry]) => [