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/tools/source-manifest.txt

@@ -11,6 +11,7 @@ src/rtapi/rtapi_gfp.h
 src/rtapi/rtapi_math.h
 src/rtapi/rtapi_byteorder.h
 src/rtapi/rtapi_app.h
+src/rtapi/rtapi_ctype.h
 src/emc/nml_intf/emcpos.h
 src/emc/nml_intf/emcpose.h
 src/emc/nml_intf/emcpose.c
@@ -32,6 +33,10 @@ src/emc/kinematics/kinematics.h
 src/emc/kinematics/cubic.h
 src/emc/kinematics/kins_util.c
 src/emc/kinematics/trivkins.c
+src/emc/kinematics/switchkins.h
+src/emc/kinematics/switchkins.c
+src/emc/kinematics/userkfuncs.c
+src/emc/kinematics/5axiskins.c
 src/emc/tp/tp.h
 src/emc/tp/tp_types.h
 src/emc/tp/tc.h