from typing import Any


def label_episode_downloads(torrents: list[dict], queue: Any) -> list[dict]:
    """Join by collector download ID, never by fuzzy title matching.

    A pack shares one transfer percentage; do not pretend its episodes have
    individually measured progress.
    """
    records = queue.get("records", []) if isinstance(queue, dict) else queue
    labels: dict[str, set[str]] = {}
    for row in records if isinstance(records, list) else []:
        episode = row.get("episode") or {}
        season, number = episode.get("seasonNumber"), episode.get("episodeNumber")
        if isinstance(season, int) and isinstance(number, int):
            key = str(row.get("downloadId") or "").lower()
            labels.setdefault(key, set()).add(f"S{season:02d}E{number:02d}")
    for torrent in torrents:
        episodes = sorted(labels.get(str(torrent.get("hash") or "").lower(), set()))
        torrent["episodeLabels"] = episodes
        torrent["episodeLabel"] = (
            " · ".join(episodes) + (" — shared download progress" if len(episodes) > 1 else "")
            if episodes else None
        )
    return torrents