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/browser/interp_smoke.html

@@ -288,6 +288,18 @@
         ].join("\n"),
       );
 
+      const missingRequiredParameterFilePath = "/work/browser-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"),
+      );
+
       await saveMachineTextFiles("browser-interp", {
         ini: "[EMC]\nMACHINE = browser-interp\n",
         toolTable: "T2 P7 Z3.125 D1.5 I12 J34 Q4 ;browser finish tool\n",