info_payload: Dict[str, Any] = {"catalog_name": catalog, "app_name": app_name, "train": train}
        # v2.1.2: сначала пробуем GET (TrueNAS 25.10 часто требует GET),
        # затем POST через _rest_request (там есть fallback POST→GET при 405)
        info: Optional[Dict[str, Any]] = None
        for ep in ("app/info", "app.info", "catalog/item", "catalog.item"):
            try:
                r = requests.get(
                    f"{self._base}/api/v2.0/{ep}",
                    headers=self._headers,
                    params=info_payload,
                    timeout=self.valves.request_timeout,
                    verify=self.valves.verify_ssl,
                )
                if r.status_code == 200:
                    info = r.json()
                    break
            except Exception:
                pass
        if info is None:
            info = self._post("app/info", info_payload, timeout=self.valves.request_timeout)
            if info is None:
                info = self._post("catalog/item", info_payload, timeout=self.valves.request_timeout)
        if info is None: