按推荐建议，继续执行

结论：已将 LinuxCNC TRT xyzac/xyzbc 运动学源码纳入 vendored manifest、native probe 和文档验证链，完整 native 验证通过。

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

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