From 65c85358250cd889e8bda485d4d8875a8d71465e Mon Sep 17 00:00:00 2001
From: ysCha <yscha@interplug.co.kr>
Date: Fri, 3 Jul 2026 16:19:41 +0900
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Co-Authored-By: Claude Opus 4 <noreply@anthropic.com>
---
 src/hooks/usePolygon.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hooks/usePolygon.js b/src/hooks/usePolygon.js
index 98596529..73999863 100644
--- a/src/hooks/usePolygon.js
+++ b/src/hooks/usePolygon.js
@@ -416,6 +416,9 @@ export const usePolygon = () => {
         while (a > 180) a -= 360
         while (a < -180) a += 360
         const i = Math.round(a / 22.5) // -8 ~ 8
+        // [方位 追加要請 2026-07-03] 124~134°는 西北西/東北東 표시(北西/北東 시작을 135°로) — 북면 판정 ±135°와 표시 경계 일치
+        if (i === 6 && a <= 134) return positive[5] // 北西 → 西北西
+        if (i === -6 && a >= -134) return negative[5] // 北東 → 東北東
         return i >= 0 ? positive[i] : negative[-i]
       }