From 8852207b187ece1eb05afaa21827eb97b2f04bee Mon Sep 17 00:00:00 2001
From: Sergey Matyunin <s.matyunin@justbusiness.site>
Date: Sun, 27 Sep 2026 02:12:56 +0300
Subject: [PATCH] =?UTF-8?q?test:=20=D1=81=D1=82=D0=B0=D0=B1=D0=B8=D0=BB?=
 =?UTF-8?q?=D0=B8=D0=B7=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D1=82=D1=8C=20=D0=BF?=
 =?UTF-8?q?=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BA=D1=83=20=D1=83=D0=B3=D0=BB?=
 =?UTF-8?q?=D0=B0=20magnet=20=D0=BB=D0=B5=D1=81=D1=82=D0=BD=D0=B8=D1=86?=
 =?UTF-8?q?=D1=8B=20(#663)?=
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Issue: #663
User-Visible: no
---
 demo/smoke_stairs.mjs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/demo/smoke_stairs.mjs b/demo/smoke_stairs.mjs
index 519ebeb7..858133ab 100644
--- a/demo/smoke_stairs.mjs
+++ b/demo/smoke_stairs.mjs
@@ -60,6 +60,10 @@ const out = await page.evaluate(async () => {
   const activeSpace = () => root().querySelector('[data-hp="space-tab"][aria-current="page"]')
     ?.getAttribute('data-id');
   const closeTo = (a, b, tolerance = 1e-5) => Math.abs(a - b) <= tolerance;
+  const axisAngleDistance = (angle) => {
+    const normalized = ((angle % 180) + 180) % 180;
+    return Math.min(normalized, 180 - normalized);
+  };
   const result = {};
 
   await hp.setServerConfig((config) => {
@@ -84,7 +88,7 @@ const out = await page.evaluate(async () => {
   result.straightCreatedOnlyOnCurrentFloor = !!straight && stairs('garden').length === 0;
   result.wallMagnetUsesPhysicalFace = !!straight
     && closeTo(Math.abs(straight.y * 1000 - 600), straight.width * 500 + (20 / 5) * (1000 / 240) / 2, 2)
-    && closeTo(((straight.angle % 180) + 180) % 180, 0);
+    && closeTo(axisAngleDistance(straight.angle), 0);
 
   result.spiralToolExists = await chooseStair('spiral');
   await clickPlan([580, 650]);