按规划继续工作

结论：OPFS 参数文件已通过桥接进入 LinuxCNC-backed WASM restore/save 路径，native 与 host/WASM/browser 验证全部通过。

wasm-port/tests/browser/interp_smoke.html

@@ -8,6 +8,14 @@
   <pre id="status">running</pre>
   <script type="module">
     import { createLinuxCncInterpSdk } from "../../runtime/sdk/src/index.js";
+    import {
+      restoreMachineParametersFromOpfs,
+      saveMachineParametersToOpfs,
+    } from "../../runtime/opfs/linuxcnc-parameter-bridge.js";
+    import {
+      loadMachineTextFiles,
+      saveMachineTextFiles,
+    } from "../../runtime/opfs/machine-file-store.js";
     import {
       INTERP_BROWSER_FILE_FIXTURES,
       INTERP_BROWSER_MDI_FIXTURES,
@@ -108,6 +116,71 @@
         (await fetchText(`../fixtures/canon/${INTERP_INI_FIXTURE}.events`)).trimEnd(),
       );
 
+      await saveMachineTextFiles("browser-interp", {
+        ini: "[EMC]\nMACHINE = browser-interp\n",
+        toolTable: "T0 P0 ; no tool\n",
+        parameters: [
+          "5161 10.5",
+          "5162 20.25",
+          "5220 1",
+          "5221 2.25",
+          "5399 44",
+          "<_named_param> 123",
+          "",
+        ].join("\n"),
+      });
+      const restoredParameters = await restoreMachineParametersFromOpfs(
+        interp,
+        "browser-interp",
+        { wasmPath: "/work/browser-linuxcnc.var" },
+      );
+      verifyExpectedOutput(
+        "opfs_restore_parameters",
+        restoredParameters.result,
+        [
+          "restore_parameters=0",
+          "parameter_5161=10.5",
+          "parameter_5162=20.25",
+          "parameter_5221=2.25",
+          "parameter_5399=44",
+        ].join("\n"),
+      );
+      const savedParameters = await saveMachineParametersToOpfs(
+        interp,
+        "browser-interp",
+        {
+          5161: 12.34,
+          5162: 56.78,
+          5220: 1.0,
+          5221: 9.87,
+          5399: 66.6,
+        },
+        { wasmPath: "/work/browser-linuxcnc.var" },
+      );
+      verifyExpectedOutput(
+        "opfs_save_parameters",
+        savedParameters.result,
+        [
+          "save_parameters=0",
+          "parameter_5161=12.34",
+          "parameter_5162=56.78",
+          "parameter_5221=9.87",
+          "parameter_5399=66.6",
+        ].join("\n"),
+      );
+      const machineFiles = await loadMachineTextFiles("browser-interp");
+      verifyExpectedOutput(
+        "opfs_saved_parameter_text",
+        machineFiles.parameters,
+        [
+          "5161\t12.340000",
+          "5162\t56.780000",
+          "5221\t9.870000",
+          "5399\t66.600000",
+          "absent=<_named_param>",
+        ].join("\n"),
+      );
+
       status.textContent = "browser_interp_smoke=ok";
     } catch (error) {
       status.textContent = `browser_interp_smoke=fail ${error.stack || error.message}`;

wasm-port/tests/opfs/node/verify_file_service.mjs

@@ -28,6 +28,10 @@ import {
   saveGcodeProgram,
   saveMachineTextFiles,
 } from "../../../runtime/opfs/machine-file-store.js";
+import {
+  restoreMachineParametersFromOpfs,
+  saveMachineParametersToOpfs,
+} from "../../../runtime/opfs/linuxcnc-parameter-bridge.js";
 
 class MockFileHandle {
   constructor(name) {
@@ -153,6 +157,57 @@ assert.equal(
 );
 assert.equal(await loadGcodeProgram("fixture.ngc", { storage }), "G0 X0 Y0\nM2\n");
 
+const bridgeFiles = new Map();
+const bridgeInterp = {
+  writeTextFile(path, text) {
+    bridgeFiles.set(path, text);
+  },
+  readTextFile(path) {
+    if (!bridgeFiles.has(path)) {
+      throw new Error(`missing wasm file: ${path}`);
+    }
+    return bridgeFiles.get(path);
+  },
+  restoreParameters(path) {
+    return `restore_parameters=0\nrestore_path=${path}\n`;
+  },
+  saveParameters(path, values) {
+    bridgeFiles.set(path, "5161\t12.340000\n5162\t56.780000\n");
+    bridgeFiles.set(`${path}.bak`, "5161 0.0\n5162 0.0\n");
+    return `save_parameters=0\nsave_path=${path}\nvalues=${Object.keys(values).join(",")}\n`;
+  },
+};
+
+const restoredParameters = await restoreMachineParametersFromOpfs(
+  bridgeInterp,
+  "xyzab-tdr",
+  { storage, wasmPath: "/work/bridge.var" },
+);
+assert.deepEqual(restoredParameters, {
+  opfsPath: "linuxcnc/machines/xyzab-tdr/linuxcnc.var",
+  wasmPath: "/work/bridge.var",
+  result: "restore_parameters=0\nrestore_path=/work/bridge.var\n",
+});
+assert.equal(bridgeFiles.get("/work/bridge.var"), "5161 0.0\n5162 0.0\n");
+
+const savedParameters = await saveMachineParametersToOpfs(
+  bridgeInterp,
+  "xyzab-tdr",
+  { 5161: 12.34, 5162: 56.78 },
+  { storage, wasmPath: "/work/bridge.var" },
+);
+assert.equal(savedParameters.opfsPath, "linuxcnc/machines/xyzab-tdr/linuxcnc.var");
+assert.equal(savedParameters.backupOpfsPath, "linuxcnc/machines/xyzab-tdr/linuxcnc.var.bak");
+assert.equal(savedParameters.result.includes("save_parameters=0"), true);
+assert.equal(
+  await loadTextFile("linuxcnc/machines/xyzab-tdr/linuxcnc.var", storage),
+  "5161\t12.340000\n5162\t56.780000\n",
+);
+assert.equal(
+  await loadTextFile("linuxcnc/machines/xyzab-tdr/linuxcnc.var.bak", storage),
+  "5161 0.0\n5162 0.0\n",
+);
+
 await assert.rejects(
   () => loadTextFile("linuxcnc/machines/missing.ini", storage),
   /missing file/,