Add three-scenario disaster recovery

restore.sh

@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
-# Restore Athena's non-reproducible Docker state from the latest /data backup.
+# Restore Athena's configuration, deployed source and non-reproducible Docker
+# state from a local quick-recovery archive.
 set -Eeuo pipefail
 umask 077
 
@@ -69,6 +70,16 @@ done
 install -d -m 0700 /etc/mike-ai
 rsync -a --delete "$backup_root/etc-mike-ai/" /etc/mike-ai/
 
+# New archives contain all deployed projects. Accept the old stack-only layout
+# as well so every already existing backup stays usable.
+if [[ -d $backup_root/opt-mike-ai ]]; then
+  install -d -m 0755 /opt/mike-ai
+  rsync -a "$backup_root/opt-mike-ai/" /opt/mike-ai/
+elif [[ -d $backup_root/stack ]]; then
+  install -d -m 0755 /opt/mike-ai/stack
+  rsync -a "$backup_root/stack/" /opt/mike-ai/stack/
+fi
+
 restore_volume() {
   local volume=$1 source=$2 mountpoint
   [[ -d $source ]] || return 0
@@ -82,7 +93,9 @@ restore_volume mike-ai_router-state "$backup_root/volumes/router-state"
 restore_volume mike-ai_router-images "$backup_root/volumes/router-images"
 restore_volume portainer_data "$backup_root/volumes/portainer-data"
 
-cd "$ROOT_DIR"
+deploy_root=/opt/mike-ai/stack
+[[ -x $deploy_root/manage.sh ]] || deploy_root=$ROOT_DIR
+cd "$deploy_root"
 ./manage.sh deploy core
 
 printf 'ATHENA_RESTORE_OK %s\n' "$ARCHIVE"