按规划继续工作

结论：补齐参数文件缺失 required 数值参数的 WASM 和浏览器验证，继续通过 vendored LinuxCNC restore_parameters 路径覆盖。

wasm-port/tests/wasm/node/verify_interp_wasm.mjs

@@ -301,6 +301,18 @@ verifyExpectedOutput(
   ].join("\n"),
 );
 
+const missingRequiredParameterFilePath = "/work/missing-required.var";
+interp.writeTextFile(missingRequiredParameterFilePath, "5161 3.5\n5220 1\n");
+verifyExpectedOutput(
+  "restore_parameters_missing_required",
+  interp.restoreParameters(missingRequiredParameterFilePath),
+  [
+    "restore_parameters=0",
+    "parameter_5161=3.5",
+    "parameter_5162=0",
+  ].join("\n"),
+);
+
 verifyExpectedOutput(
   "save_parameters",
   interp.saveParameters(parameterFilePath, {