按规划继续工作

结论：参数文件 restore/save 已通过解释器 WASM C ABI 直连 vendored LinuxCNC，native 与 host/WASM/browser 验证全部通过。

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

@@ -54,6 +54,10 @@ export async function createLinuxCncInterpSdk(moduleOptions = {}) {
       mod.FS.writeFile(path, text, { encoding: "utf8" });
     },
 
+    readTextFile(path) {
+      return mod.FS.readFile(path, { encoding: "utf8" });
+    },
+
     runProgram(programText) {
       return callStringResult(mod, "lcinterp_run_program", programText);
     },
@@ -69,5 +73,16 @@ export async function createLinuxCncInterpSdk(moduleOptions = {}) {
     runFileWithIni(path, iniPath) {
       return callStringResult(mod, "lcinterp_run_file_with_ini", path, iniPath);
     },
+
+    restoreParameters(path) {
+      return callStringResult(mod, "lcinterp_restore_parameters", path);
+    },
+
+    saveParameters(path, values) {
+      const assignments = Object.entries(values)
+        .map(([parameter, value]) => `${parameter} ${value}`)
+        .join("\n");
+      return callStringResult(mod, "lcinterp_save_parameters", path, assignments);
+    },
   };
 }