Discover Sonarr episode downloads and keep live tracker updating

backend/app/services/download_labels.py

@@ -0,0 +1,25 @@
+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

backend/app/services/snapshot.py

@@ -31,6 +31,7 @@ from ..db import (
 from ..models import ActionOption, NormalizedState, RequestType, Snapshot, TimelineHop
 from .collector_search import read_search_status
 from .media_repair import current_cycle_torrents, evaluate_media_repair
+from .download_labels import label_episode_downloads
 
 logger = logging.getLogger(__name__)
 
@@ -1431,12 +1432,13 @@ async def build_snapshot(request_id: str) -> Snapshot:
     try:
         if qbittorrent.configured():
             if download_ids:
-                torrents = await qbittorrent.get_torrents_by_hashes("|".join(download_ids))
+                torrents = await qbittorrent.get_torrents_by_hashes("|".join(h.lower() for h in download_ids))
                 torrent_list = torrents if isinstance(torrents, list) else []
             else:
                 request_tag = f"magent-{request_id}"
                 torrents = await qbittorrent.get_torrents_by_tag(request_tag)
                 torrent_list = torrents if isinstance(torrents, list) else []
+        label_episode_downloads(torrent_list, arr_queue)
         unfiltered_torrents = torrent_list
         torrent_list = current_cycle_torrents(torrent_list, repair_cycle)
         discarded_hashes = {str(t.get("hash") or "").lower() for t in unfiltered_torrents if t not in torrent_list}