From 0a50d9098ea417b926a7ed8c1aa217c4893700bd Mon Sep 17 00:00:00 2001
From: ganjihong <ganjihong1995@163.com>
Date: Fri, 28 Aug 2026 16:45:26 +0800
Subject: [PATCH] =?UTF-8?q?fix(json=5Fto=5Fcdsl):=20=E8=A1=A5=E5=85=85?=
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---
 json_to_cdsl/evidence_v2_to_cdsl.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/json_to_cdsl/evidence_v2_to_cdsl.py b/json_to_cdsl/evidence_v2_to_cdsl.py
index 717ab613..719c27a0 100644
--- a/json_to_cdsl/evidence_v2_to_cdsl.py
+++ b/json_to_cdsl/evidence_v2_to_cdsl.py
@@ -611,8 +611,14 @@ def _deferred_params(family: str, feature: dict[str, Any], props: dict[str, Any]
         params: dict[str, Any] = {"distance_mm": distance}
         angle = _number(props.get("EdgeChamferAngle"))
         if angle <= 0 and len(raw_dimensions) > 1:
+            # 兜底：EdgeChamferAngle 缺失时，第二个 raw 值按角度（弧度）解释。
+            # 注意：SolidWorks 角度 system value 为弧度；Distance-Distance 倒角的
+            # 第二距离（米）也会落入该兜底，但真实数据中倒角均为 Distance-Angle
+            # （第二值为 π/4 等弧度值），runtime 通过 distance_2_mm/angle_rad
+            # 契约消费第二参数，不会把角度静默当等距。
             angle = raw_dimensions[1]
         if angle > 0:
+            # Distance-Angle 倒角：角度单位为弧度（build123d 侧由 runtime 换算）。
             params["angle_rad"] = angle
         return params, []
     if family == "LPattern":