推进 INI 面板 machine session state snapshot helper

wasm-port/tests/browser/ini_panel_smoke.html

@@ -660,6 +660,37 @@ TOOL_TABLE = browser-tool.tbl
         2,
         "UI snapshot run summary motion snapshot count",
       );
+      const machineSessionState = uiDocument.defaultView.linuxCncIniPanelMachineSessionState;
+      assertEqual(
+        machineSessionState.lastAction,
+        "run-gcode",
+        "UI machine session state last action",
+      );
+      assertEqual(
+        machineSessionState.selectedProgram.opfsPath,
+        "linuxcnc/gcode/ui-session.ngc",
+        "UI machine session state selected program OPFS path",
+      );
+      assertEqual(
+        machineSessionState.sessionLoad.iniWasmPath,
+        "/work/session-machine.ini",
+        "UI machine session state loaded INI WASM path",
+      );
+      assertEqual(
+        machineSessionState.run.programSource,
+        "snapshot",
+        "UI machine session state run source",
+      );
+      assertEqual(
+        machineSessionState.fields.runWorkflow,
+        "save-session-snapshot",
+        "UI machine session state run workflow field",
+      );
+      assertEqual(
+        machineSessionState.error,
+        null,
+        "UI machine session state error",
+      );
       if (
         !runLog.includes("canon_event=STRAIGHT_TRAVERSE") ||
         !runLog.includes("canon_event=STRAIGHT_FEED")