SEEDBOX — Synology hardlink mirror via mapping_entries.txt
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Volumes dans les conteneurs (OMV) :
  /syno  -> montage NFS Synology (bibliothèques Plex: /syno/Series, /syno/Films, ... et /syno/torrents/completed)
  /data  -> /srv/dev-disk-by-uuid-.../data        (save_path qB)
  /scripts -> /srv/dev-disk-by-uuid-.../data/scripts (hooks + mapping + state)

Hooks :
  /scripts/sonarr_postprocess.sh   /scripts/radarr_postprocess.sh
  Écrivent : mapping_entries.txt avec lignes SONARR|SRC|DST ou RADARR|SRC|DST
  State : /scripts/state/<basename>.state
  Lock : mapping_entries.txt.lockdir

Miroir quotidien :
  /root/daily_qbittorrent_update_v1.31_synomap.sh
  Exemples :
    export QB_URL="http://192.168.0.101:8090"; export QB_USER="mousse"; export QB_PASS="********"
    /root/daily_qbittorrent_update_v1.31_synomap.sh --allow "sonarr radarr" --min-age 259200 --dest-root "/syno/torrents/completed" --limit 5 > /root/synomap_plan.txt
    /root/daily_qbittorrent_update_v1.31_synomap.sh --allow "sonarr radarr" --min-age 259200 --dest-root "/syno/torrents/completed" --limit 5 --write

Purge :
  /root/synomap_purge_after_apply_v1.3.sh --map "/srv/dev-disk-by-uuid-.../data/scripts/mapping_entries.txt" --plan "/root/synomap_plan.txt" --write

Contrôles :
  # mêmes device pour hardlink :
  stat -c '%d %n' /syno/Series/... ; stat -c '%d %n' /syno/torrents/completed/sonarr
  # même inode = hardlink ok :
  stat -c '%i %n' "<DST_Library>" ; stat -c '%i %n' "<Mirror_Dest_Path>"