按建议持续推进

结论：已接入 LinuxCNC speed/feed synchronization 与 rigid tap canonical 边界事件记录，并新增 G33、G33.1 回归 fixture；原生 probe 验证通过。

wasm-port/runtime/core/linuxcnc_wrap/linuxcnc_interp_minimal_runtime.cpp

@@ -154,9 +154,25 @@ void SET_NAIVECAM_TOLERANCE(double tolerance)
 void SET_CUTTER_RADIUS_COMPENSATION(double) {}
 void START_CUTTER_RADIUS_COMPENSATION(int) {}
 void STOP_CUTTER_RADIUS_COMPENSATION() {}
-void START_SPEED_FEED_SYNCH(int, double, bool) {}
-void STOP_SPEED_FEED_SYNCH() {}
-void RIGID_TAP(int, double, double, double, double) {}
+void START_SPEED_FEED_SYNCH(int spindle, double feed_per_revolution, bool velocity_mode)
+{
+    std::ostringstream oss;
+    oss << "START_SPEED_FEED_SYNCH spindle=" << spindle
+        << " feed_per_revolution=" << feed_per_revolution
+        << " velocity_mode=" << velocity_mode;
+    standalone::push_canon_event(oss.str());
+}
+void STOP_SPEED_FEED_SYNCH() { standalone::push_canon_event("STOP_SPEED_FEED_SYNCH"); }
+void RIGID_TAP(int lineno, double x, double y, double z, double scale)
+{
+    std::ostringstream oss;
+    oss << "RIGID_TAP line=" << lineno
+        << " x=" << x
+        << " y=" << y
+        << " z=" << z
+        << " scale=" << scale;
+    standalone::push_canon_event(oss.str());
+}
 void STRAIGHT_PROBE(int lineno,
                     double x, double y, double z,
                     double a, double b, double c,