From 3753a5cdb40d4a0aa8888a00de15fef2bb8def79 Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Sun, 1 Nov 2026 11:36:03 +0900
Subject: [PATCH] =?UTF-8?q?feat(638-2):=20=EC=98=88=EC=A0=95=EB=85=B8?=
 =?UTF-8?q?=EC=84=A0=20Api=20=EA=BC=B4=20=E2=80=94=20derived.pieces[].set?=
 =?UTF-8?q?=5Fkey(638-1=20=EC=84=9C=EB=B2=84=20=EA=BC=B4=200b738b20e)?=
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 D03_PlanAnalysis/D03_PlanAnalysis_Api.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/D03_PlanAnalysis/D03_PlanAnalysis_Api.ts b/D03_PlanAnalysis/D03_PlanAnalysis_Api.ts
index d0219ef8a..d655ce616 100644
--- a/D03_PlanAnalysis/D03_PlanAnalysis_Api.ts
+++ b/D03_PlanAnalysis/D03_PlanAnalysis_Api.ts
@@ -98,7 +98,7 @@ export interface PlanNetworkView {
   network: ServerNetwork | null;
   derived: {
     lines: Array<{ id: string; length_m: number; stations: number[] }>;
-    pieces: Array<PlanPiece & { length_m: number; planned: Vertex[] }>;
+    pieces: Array<PlanPiece & { set_key: string; length_m: number; planned: Vertex[] }>;
     /** 세트(638) — 열쇠 「연도-번호」 · 덩이 수(`parts` > 1 = 끊김) · 세트 안 갈래 · 조각 id. */
     sets: PlanSetView[];
   } | null;