按规划继续工作

结论：接入 vendored LinuxCNC tooldata_common.cc 负责刀具表解析与保存，WASM/SDK/OPFS/UI 仅做运行时边界搬运；native、WASM、OPFS 和浏览器 smoke 验证已通过。

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

@@ -32,6 +32,13 @@ import {
   restoreMachineParametersFromOpfs,
   saveMachineParametersToOpfs,
 } from "../../../runtime/opfs/linuxcnc-parameter-bridge.js";
+import {
+  loadMachineToolTableFromOpfs,
+  saveMachineToolTableToOpfs,
+} from "../../../runtime/opfs/linuxcnc-tool-table-bridge.js";
+import {
+  loadMachineSessionFromOpfs,
+} from "../../../runtime/opfs/linuxcnc-machine-session-bridge.js";
 
 class MockFileHandle {
   constructor(name) {
@@ -176,6 +183,13 @@ const bridgeInterp = {
     bridgeFiles.set(`${path}.bak`, "5161 0.0\n5162 0.0\n");
     return `save_parameters=0\nsave_path=${path}\nvalues=${Object.keys(values).join(",")}\n`;
   },
+  loadToolTable(path) {
+    return `tooldata_load=0\nload_tool_path=${path}\n`;
+  },
+  saveToolTable(path) {
+    bridgeFiles.set(path, "T2   P2   Z+1.250000 D+0.250000 ;loaded by LinuxCNC\n");
+    return `tooldata_save=0\nsave_tool_path=${path}\n`;
+  },
 };
 
 const restoredParameters = await restoreMachineParametersFromOpfs(
@@ -208,6 +222,65 @@ assert.equal(
   "5161 0.0\n5162 0.0\n",
 );
 
+const loadedToolTable = await loadMachineToolTableFromOpfs(
+  bridgeInterp,
+  "xyzab-tdr",
+  { storage, wasmPath: "/work/bridge-tool.tbl" },
+);
+assert.deepEqual(loadedToolTable, {
+  opfsPath: "linuxcnc/machines/xyzab-tdr/tool.tbl",
+  wasmPath: "/work/bridge-tool.tbl",
+  result: "tooldata_load=0\nload_tool_path=/work/bridge-tool.tbl\n",
+});
+assert.equal(bridgeFiles.get("/work/bridge-tool.tbl"), "T0 P0 ; no tool\nT2 P2 Z1.25 D0.25\n");
+
+const savedToolTable = await saveMachineToolTableToOpfs(
+  bridgeInterp,
+  "xyzab-tdr",
+  { storage, wasmPath: "/work/bridge-tool.tbl" },
+);
+assert.equal(savedToolTable.opfsPath, "linuxcnc/machines/xyzab-tdr/tool.tbl");
+assert.equal(savedToolTable.wasmPath, "/work/bridge-tool.tbl");
+assert.equal(savedToolTable.result.includes("tooldata_save=0"), true);
+assert.equal(
+  await loadTextFile("linuxcnc/machines/xyzab-tdr/tool.tbl", storage),
+  "T2   P2   Z+1.250000 D+0.250000 ;loaded by LinuxCNC\n",
+);
+
+const loadedSession = await loadMachineSessionFromOpfs(
+  bridgeInterp,
+  "xyzab-tdr",
+  {
+    storage,
+    iniWasmPath: "/work/session.ini",
+    parameterWasmPath: "/work/session.var",
+    toolTableWasmPath: "/work/session-tool.tbl",
+  },
+);
+assert.deepEqual(loadedSession, {
+  machineId: "xyzab-tdr",
+  ini: {
+    opfsPath: "linuxcnc/machines/xyzab-tdr/machine.ini",
+    wasmPath: "/work/session.ini",
+  },
+  parameters: {
+    opfsPath: "linuxcnc/machines/xyzab-tdr/linuxcnc.var",
+    wasmPath: "/work/session.var",
+    result: "restore_parameters=0\nrestore_path=/work/session.var\n",
+  },
+  toolTable: {
+    opfsPath: "linuxcnc/machines/xyzab-tdr/tool.tbl",
+    wasmPath: "/work/session-tool.tbl",
+    result: "tooldata_load=0\nload_tool_path=/work/session-tool.tbl\n",
+  },
+});
+assert.equal(bridgeFiles.get("/work/session.ini"), "[EMC]\nMACHINE = xyzab-tdr\n");
+assert.equal(bridgeFiles.get("/work/session.var"), "5161\t12.340000\n5162\t56.780000\n");
+assert.equal(
+  bridgeFiles.get("/work/session-tool.tbl"),
+  "T2   P2   Z+1.250000 D+0.250000 ;loaded by LinuxCNC\n",
+);
+
 await assert.rejects(
   () => loadTextFile("linuxcnc/machines/missing.ini", storage),
   /missing file/,