按建议继续完成后续工作

结论：upstream rs274 side-by-side 基线已扩展到 threading/rigid tap canonical 调用；完整 native 验证已通过。

wasm-port/docs/porting-steps-standalone.md

@@ -507,12 +507,12 @@ Current verified progress:
   native LinuxCNC canonical output for simple motion, offsets, feed-control,
   comment/logging, numbered-parameter, spindle-orient, file-finish, and
   tool-reload fixtures. It now also includes file-open reset and O-word
-  subroutine fixture coverage, plus comparable canonical runtime edge calls.
-  Native output is filtered to the event classes each standalone fixture
-  explicitly expects, while upstream `rs274` output gaps such as `WAIT` remain
-  covered by the standalone harness rather than being treated as side-by-side
-  evidence. The comparison does not introduce a project-authored CNC semantics
-  oracle.
+  subroutine fixture coverage, threading/rigid tap coverage, plus comparable
+  canonical runtime edge calls. Native output is filtered to the event classes
+  each standalone fixture explicitly expects, while upstream `rs274` output
+  gaps such as `WAIT` remain covered by the standalone harness rather than
+  being treated as side-by-side evidence. The comparison does not introduce a
+  project-authored CNC semantics oracle.
 - `tests/fixtures/gcode_errors/g1_zero_feed.ngc` and
   `tests/fixtures/canon_errors/g1_zero_feed.expected` pin the negative
   `G1` zero-feed case. The source basis is LinuxCNC