按推荐建议，继续执行

结论：已将 LinuxCNC 5axiskins 及 switchkins 相关源码纳入 vendored manifest、native probe 和文档验证链，完整 native 验证通过。

wasm-port/docs/scope-and-baseline.md

@@ -60,5 +60,6 @@ Negative fixture coverage includes:
 - missing tool length offset
 
 Machine baseline is still limited to standalone interpreter, trajectory
-planner, and LinuxCNC identity/trivial kinematics probes. Non-trivial
-kinematics and 5-axis machine baselines remain future work.
+planner, LinuxCNC identity/trivial kinematics, and the LinuxCNC `5axiskins`
+XYZBCW bridge-mill probe. Additional non-trivial kinematics and fuller machine
+baselines remain future work.