按建议继续完成后续工作

结论：upstream rs274 side-by-side 基线已继续扩展到 file-open reset 和 O-word subroutine fixture；完整 native 验证已通过。

wasm-port/tools/verify_native_linuxcnc_fixture_baseline.sh

@@ -12,11 +12,13 @@ FIXTURES=(
   coordinate_offsets
   cutter_comp_motion
   feed_control_modes
+  file_open_reset
   g53_machine_coordinates
   length_units
   plane_selection
   modal_incremental
   numbered_params
+  oword_subroutine
   percent_file_finish
   position_params
   spindle_orient
@@ -37,10 +39,15 @@ normalize_standalone_events() {
       return sprintf("%.12g", value + 0)
     }
 
-    /^canon_event=/ {
+    /^canon_event=/ || /^(STRAIGHT_(TRAVERSE|FEED)|SET_FEED_RATE) / {
       line = $0
       sub(/^canon_event=/, "", line)
 
+      if (line == "ON_RESET") {
+        print line
+        next
+      }
+
       if (line ~ /^COMMENT: /) {
         sub(/^COMMENT: /, "", line)
         print "COMMENT|" line
@@ -228,6 +235,9 @@ normalize_upstream_rs274_output() {
       sub(/^[[:space:]]*[0-9]+[[:space:]]+N\.\.\.\.\.[[:space:]]+/, "", line)
 
       if (line == "ON_RESET()") {
+        if (!seen_reset) {
+          print "ON_RESET"
+        }
         seen_reset = 1
         next
       }