推进 INI 面板快照 metadata 描述

wasm-port/tests/browser/ini_panel_smoke.html

@@ -428,6 +428,27 @@ TOOL_TABLE = browser-tool.tbl
         "linuxcnc/gcode/ui-session.ngc",
         "UI snapshot G-code OPFS path",
       );
+      const savedUiSnapshot = await loadMachineSessionSnapshot(
+        "ui-machine-session",
+        "xyzab-tdr",
+        { filename: "ui-machine-session.json" },
+      );
+      assertEqual(savedUiSnapshot.metadata.source, "ini-panel", "UI snapshot metadata source");
+      assertEqual(
+        savedUiSnapshot.metadata.workflow,
+        "save-session-snapshot",
+        "UI snapshot metadata workflow",
+      );
+      assertEqual(
+        savedUiSnapshot.metadata.snapshotLabel,
+        "ui-machine-session/ui-machine-session.json",
+        "UI snapshot metadata label",
+      );
+      assertEqual(
+        savedUiSnapshot.metadata.defaultGcodeOpfsPath,
+        "linuxcnc/gcode/ui-session.ngc",
+        "UI snapshot metadata default G-code path",
+      );
       uiDocument.getElementById("ini-editor").value = "";
       uiDocument.getElementById("restore-session-snapshot").click();
       await waitFor(