Script audit: fix stale names, header mismatches, HOST1-hardcoded path maps in lidarr scripts

Media/lidarr_missing_art.sh

@@ -113,19 +113,20 @@ acquire_lock
 
 detect_hosts
 
-# Build path map for translate_path() — container path → host path
-declare -A ARR_PATH_MAP
-for _key in "${!HOST1_LIDARR_PATH_MAP[@]}"; do
-    ARR_PATH_MAP["$_key"]="${HOST1_LIDARR_PATH_MAP[$_key]}"
-done
-unset _key
-
 # HOST guard — Lidarr runs on HOST1 only
 if [[ -z "$LIDARR_URL" ]]; then
     echo "Lidarr not configured for $MY_ID — skipping"
     exit 0
 fi
 
+# Build path map from MY_ID's Lidarr path map
+declare -A ARR_PATH_MAP
+local_path_map_var="${MY_ID}_LIDARR_PATH_MAP"
+eval "for _key in \"\${!${local_path_map_var}[@]}\"; do
+    ARR_PATH_MAP[\"\$_key\"]=\"\${${local_path_map_var}[\$_key]}\"
+done"
+unset _key
+
 info "$MY_ID ($LOCAL_SERVER_NAME) — tools OK"
 log "$ICON_GEAR Config: url=${LIDARR_URL}"