for ft in missing:
            if mode == "GPV":
                f1 = self._get_file_for_ft(files, "Lsurf", ft) or "NONE"
                f2 = self._get_file_for_ft(files, "P-all" if any("P-all" in x for x in files) else "L-pall", ft) or "NONE"
                # GPVの場合は「両方揃っていないと」スキップする（待機する）
                if f1 == "NONE" or f2 == "NONE": continue
            elif mode == "ANAL":
                f1 = files[0]; f2 = "NONE"
                if f1 == "NONE": continue
            else:
                f1 = files[0]; f2 = "NONE"
                if f1 == "NONE": continue
                
            key = (f1, f2)
            file_groups.setdefault(key, []).append(ft)