fix(platform): support Windows storage and native filesystem boundaries

internal/backup/record_windows.go

@@ -0,0 +1,16 @@
+package backup
+
+import "golang.org/x/sys/windows"
+
+func publishRecord(source, dest string) error {
+	from, err := windows.UTF16PtrFromString(source)
+	if err != nil {
+		return err
+	}
+	to, err := windows.UTF16PtrFromString(dest)
+	if err != nil {
+		return err
+	}
+	// The file was flushed before closing; request a completed on-disk replacement.
+	return windows.MoveFileEx(from, to, windows.MOVEFILE_REPLACE_EXISTING|windows.MOVEFILE_WRITE_THROUGH)
+}