推进 INI 面板快照 metadata 描述

wasm-port/runtime/ui/ini-panel/app.js

@@ -325,6 +325,15 @@ function defaultGcodeOpfsPath() {
   return `linuxcnc/gcode/${UI_SESSION.defaultGcodeFilename}`;
 }
 
+function sessionSnapshotMetadata() {
+  return {
+    source: "ini-panel",
+    workflow: "save-session-snapshot",
+    snapshotLabel: sessionSnapshotLabel(UI_SESSION),
+    defaultGcodeOpfsPath: defaultGcodeOpfsPath(),
+  };
+}
+
 async function loadSelectedGcodeProgram() {
   const opfsPath = restoredSessionSnapshot?.payload?.files?.gcode;
   let filename = UI_SESSION.defaultGcodeFilename;
@@ -508,7 +517,7 @@ document.getElementById("save-session-snapshot").addEventListener("click", async
       {
         filename: UI_SESSION.snapshotFilename,
         gcodeFilename: UI_SESSION.defaultGcodeFilename,
-        metadata: { source: "ini-panel" },
+        metadata: sessionSnapshotMetadata(),
       },
     );
     setField("sessionIni", snapshot.payload.files.ini);