按建议继续完成后续工作

结论：upstream rs274 side-by-side 基线已扩展到可比较的 canonical runtime edge 调用；WAIT 仍保留为 standalone harness 覆盖，完整 native 验证已通过。

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

@@ -507,9 +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, filters native output to the event classes each
-  standalone fixture explicitly expects, and compares the result without
-  introducing a project-authored CNC semantics oracle.
+  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.
 - `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