按建议，继续完成后续工作

结论：已新增 OPFS host-side 路径模型，覆盖 INI、tool table、parameter、G-code、preview cache 与 session snapshot 存储目标，并让 file-service 和浏览器 smoke 复用该模型；聚合 smoke 验证通过。

wasm-port/tests/browser/ini_panel_smoke.html

@@ -9,6 +9,7 @@
   <script type="module">
     import { createLinuxCncIniSdk } from "../../runtime/sdk/src/linuxcnc-ini.js";
     import { loadTextFile, saveTextFile } from "../../runtime/opfs/file-service.js";
+    import { machineIniPath } from "../../runtime/opfs/path-model.js";
 
     const status = document.getElementById("status");
 
@@ -46,7 +47,7 @@ JOINTS = 3
       assertEqual(fields.machine, "browser-smoke", "field machine");
       assertEqual(fields.joints, "3", "field joints");
 
-      const opfsPath = "linuxcnc/browser-smoke.ini";
+      const opfsPath = machineIniPath("browser-smoke");
       await saveTextFile(opfsPath, iniText);
       assertEqual(await loadTextFile(opfsPath), iniText, "opfs roundtrip");