按规划继续工作

结论：补齐 INI 派生自定义工具表路径的浏览器 OPFS 保存读回验证，继续通过 vendored LinuxCNC tooldata_save 路径覆盖。

wasm-port/tests/browser/interp_smoke.html

@@ -599,6 +599,34 @@
           "tool_1.comment=browser custom tool",
         ].join("\n"),
       );
+      const savedIniNamedToolTable = await saveMachineToolTableToOpfs(
+        interp,
+        "browser-ini-file-session",
+        {
+          opfsPath: loadedIniFileSession.toolTable.opfsPath,
+          wasmPath: loadedIniFileSession.toolTable.wasmPath,
+        },
+      );
+      verifyExpectedOutput(
+        "opfs_save_ini_named_tool_table",
+        savedIniNamedToolTable.result,
+        [
+          "tooldata_save=0",
+          "tool_1.toolno=8",
+          "tool_1.pocketno=8",
+        ].join("\n"),
+      );
+      verifyExpectedOutput(
+        "opfs_saved_ini_named_tool_table_text",
+        await loadTextFile(loadedIniFileSession.toolTable.opfsPath),
+        [
+          "T8",
+          "P8",
+          "Z+4.500000",
+          "D+0.500000",
+          ";browser custom tool",
+        ].join("\n"),
+      );
 
       await saveMachineTextFiles("browser-ini-override-session", {
         ini: [