按推荐建议，继续执行

结论：已接入 LinuxCNC NURBS G6 canonical 边界事件记录，并新增 G6.2 回归 fixture；原生 probe 验证通过。

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

@@ -471,7 +471,30 @@ void NURBS_G5_FEED(int lineno,
     }
     standalone::push_canon_event(oss.str());
 }
-void NURBS_G6_FEED(int, const std::vector<NURBS_G6_CONTROL_POINT> &, unsigned int, double, int, CANON_PLANE) {}
+void NURBS_G6_FEED(int lineno,
+                   const std::vector<NURBS_G6_CONTROL_POINT> &control_points,
+                   unsigned int k,
+                   double feedrate,
+                   int interpolation_mode,
+                   CANON_PLANE plane)
+{
+    std::ostringstream oss;
+    oss << "NURBS_G6_FEED line=" << lineno
+        << " k=" << k
+        << " feedrate=" << feedrate
+        << " interpolation_mode=" << interpolation_mode
+        << " plane=" << static_cast<int>(plane)
+        << " points=" << control_points.size();
+    for (std::size_t index = 0; index < control_points.size(); ++index) {
+        const auto &point = control_points[index];
+        oss << " p" << index
+            << "=(" << point.NURBS_X
+            << "," << point.NURBS_Y
+            << "," << point.NURBS_R
+            << "," << point.NURBS_K << ")";
+    }
+    standalone::push_canon_event(oss.str());
+}
 
 void COMMENT(const char *s)
 {