按推荐建议，继续执行

结论：已接入 LinuxCNC spindle orient canonical 边界事件记录，并新增 M19 R/P/Q 回归 fixture；原生 probe 验证通过。

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

@@ -234,8 +234,21 @@ void STOP_SPINDLE_TURNING(int spindle)
     standalone::push_canon_event(oss.str());
 }
 void SPINDLE_RETRACT() {}
-void ORIENT_SPINDLE(int, double, int) {}
-void WAIT_SPINDLE_ORIENT_COMPLETE(int, double) {}
+void ORIENT_SPINDLE(int spindle, double orientation, int mode)
+{
+    std::ostringstream oss;
+    oss << "ORIENT_SPINDLE spindle=" << spindle
+        << " orientation=" << orientation
+        << " mode=" << mode;
+    standalone::push_canon_event(oss.str());
+}
+void WAIT_SPINDLE_ORIENT_COMPLETE(int spindle, double timeout)
+{
+    std::ostringstream oss;
+    oss << "WAIT_SPINDLE_ORIENT_COMPLETE spindle=" << spindle
+        << " timeout=" << timeout;
+    standalone::push_canon_event(oss.str());
+}
 void LOCK_SPINDLE_Z() {}
 void USE_SPINDLE_FORCE() {}
 void USE_NO_SPINDLE_FORCE() {}