按规划继续工作

结论：补齐 INI 派生参数文件和刀具表 OPFS 会话加载，扩大浏览器解释器 file-path fixture 覆盖，并通过 host/WASM/browser 聚合验证。

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

@@ -201,6 +201,23 @@ const bridgeIniSdk = {
   writeTextFile(path, text) {
     bridgeFiles.set(`ini:${path}`, text);
   },
+  getString(path, section, tag) {
+    if (
+      path === "/work/ini-file-session.ini" &&
+      section === "RS274NGC" &&
+      tag === "PARAMETER_FILE"
+    ) {
+      return "custom.var";
+    }
+    if (
+      path === "/work/ini-file-session.ini" &&
+      section === "EMCIO" &&
+      tag === "TOOL_TABLE"
+    ) {
+      return "custom-tool.tbl";
+    }
+    return null;
+  },
   getBool(path, section, tag) {
     if (
       path === "/work/ini-derived-session.ini" &&
@@ -350,6 +367,55 @@ assert.equal(
   "tooldata_load=0\nload_tool_path=/work/ini-derived-session-tool.tbl\nrandom_toolchanger=1\n",
 );
 
+await saveMachineTextFiles("ini-file-session", {
+  ini: [
+    "[EMC]",
+    "MACHINE = ini-file-session",
+    "",
+    "[RS274NGC]",
+    "PARAMETER_FILE = custom.var",
+    "",
+    "[EMCIO]",
+    "TOOL_TABLE = custom-tool.tbl",
+    "",
+  ].join("\n"),
+}, { storage });
+await saveTextFile(
+  "linuxcnc/machines/ini-file-session/custom.var",
+  "5161 77.0\n5162 88.0\n",
+  storage,
+);
+await saveTextFile(
+  "linuxcnc/machines/ini-file-session/custom-tool.tbl",
+  "T8 P8 Z4.5 D0.5\n",
+  storage,
+);
+const loadedIniFileSession = await loadMachineSessionFromOpfs(
+  bridgeInterp,
+  "ini-file-session",
+  {
+    storage,
+    iniSdk: bridgeIniSdk,
+    iniWasmPath: "/work/ini-file-session.ini",
+    parameterWasmPath: "/work/ini-file-session.var",
+    toolTableWasmPath: "/work/ini-file-session-tool.tbl",
+  },
+);
+assert.equal(
+  loadedIniFileSession.parameters.opfsPath,
+  "linuxcnc/machines/ini-file-session/custom.var",
+);
+assert.equal(
+  loadedIniFileSession.toolTable.opfsPath,
+  "linuxcnc/machines/ini-file-session/custom-tool.tbl",
+);
+assert.equal(bridgeFiles.get("/work/ini-file-session.var"), "5161 77.0\n5162 88.0\n");
+assert.equal(bridgeFiles.get("/work/ini-file-session-tool.tbl"), "T8 P8 Z4.5 D0.5\n");
+assert.equal(
+  loadedIniFileSession.toolTable.result,
+  "tooldata_load=0\nload_tool_path=/work/ini-file-session-tool.tbl\nrandom_toolchanger=0\n",
+);
+
 await assert.rejects(
   () => loadTextFile("linuxcnc/machines/missing.ini", storage),
   /missing file/,