按建议，继续完成后续工作

结论：已新增 INI WASM JS SDK 封装，把 UI 和 Node smoke test 改为通过 SDK 调用 vendored LinuxCNC inifile.cc 的导出 C ABI，并同步更新兼容性、复用和漂移文档。

wasm-port/docs/drift-report.md

@@ -58,7 +58,8 @@ semantic rewrites:
 
 - No browser/full-core WASM parity tests yet. The INI parser now has a Node
   WASM smoke harness against vendored LinuxCNC `inifile.cc`.
-- No JS SDK validation yet.
+- JS SDK validation is currently limited to the INI WASM wrapper around
+  vendored LinuxCNC `inifile.cc`.
 - OPFS validation is currently limited to a Node mock of the browser
   file-service adapter; browser-level OPFS validation is not yet established.
 - Identity/trivial, `5axiskins`, TRT `xyzac`/`xyzbc`, delta, SCARA, PUMA,