按建议，继续下一步工作

结论：已将 LinuxCNC TP 源码纳入 wasm-port 的可复现 vendor 清单和 native probe 构建，新增真实 tpCreate/tpAddLine/tpRunCycle 线性运动验证，并通过 native probes 全量验证。

wasm-port/vendor/linuxcnc/src/libnml/posemath/sincos.c

@@ -0,0 +1,27 @@
+/********************************************************************
+* Description: sincos.c
+*
+*   Derived from a work by Fred Proctor & Will Shackleford
+*
+* Author:
+* License: LGPL Version 2
+* System: Linux
+*    
+* Copyright (c) 2004 All rights reserved.
+********************************************************************/
+/*
+   sincos.c
+
+   Modification history:
+
+  21-Jan-2004  P.C. Moved across from the original EMC source tree.
+*/
+
+#include <rtapi_math.h>
+#include "sincos.h"
+
+void pm_sincos(double x, double *sx, double *cx)
+{
+    *sx = sin(x);
+    *cx = cos(x);
+}