按规划持续工作

结论：WASM interpreter 已链接 vendored LinuxCNC interp_remap.cc，并通过 SDK C ABI 运行 vendored xyzac/xyzbc switchkins remap demo；Node/host/browser smoke 均通过，未新增 JavaScript M428/M429/M430 或运动学语义。

wasm-port/runtime/sdk/src/linuxcnc-interp.js

@@ -74,6 +74,10 @@ export async function createLinuxCncInterpSdk(moduleOptions = {}) {
       return callStringResult(mod, "lcinterp_run_file_with_ini", path, iniPath);
     },
 
+    runFiveAxisRemapFile(path, iniPath) {
+      return callStringResult(mod, "lcinterp_run_fiveaxis_remap_file", path, iniPath);
+    },
+
     restoreParameters(path) {
       return callStringResult(mod, "lcinterp_restore_parameters", path);
     },