按推荐建议，继续执行

结论：已接入 LinuxCNC probe canonical 边界事件记录，并新增 G38.2、G38.3、G38.4、G38.5 回归 fixture；原生 probe 验证通过。

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

@@ -157,7 +157,26 @@ 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 STRAIGHT_PROBE(int, double, double, double, double, double, double, double, double, double, unsigned char) {}
+void STRAIGHT_PROBE(int lineno,
+                    double x, double y, double z,
+                    double a, double b, double c,
+                    double u, double v, double w,
+                    unsigned char probe_type)
+{
+    std::ostringstream oss;
+    oss << "STRAIGHT_PROBE line=" << lineno
+        << " x=" << x
+        << " y=" << y
+        << " z=" << z
+        << " a=" << a
+        << " b=" << b
+        << " c=" << c
+        << " u=" << u
+        << " v=" << v
+        << " w=" << w
+        << " probe_type=" << static_cast<int>(probe_type);
+    standalone::push_canon_event(oss.str());
+}
 void STOP() {}
 void DWELL(double seconds)
 {
@@ -264,8 +283,8 @@ void FLOOD_ON() { standalone::push_canon_event("FLOOD_ON"); }
 void MIST_OFF() { standalone::push_canon_event("MIST_OFF"); }
 void MIST_ON() { standalone::push_canon_event("MIST_ON"); }
 void PALLET_SHUTTLE() { standalone::push_canon_event("PALLET_SHUTTLE"); }
-void TURN_PROBE_OFF() {}
-void TURN_PROBE_ON() {}
+void TURN_PROBE_OFF() { standalone::push_canon_event("TURN_PROBE_OFF"); }
+void TURN_PROBE_ON() { standalone::push_canon_event("TURN_PROBE_ON"); }
 void UNCLAMP_AXIS(CANON_AXIS) {}
 void NURB_KNOT_VECTOR() {}
 void NURB_CONTROL_POINT(int, double, double, double, double) {}