Add three-scenario disaster recovery

compose.yaml

@@ -750,6 +750,7 @@ services:
       HOST_PROC: /host/proc
       HOST_DATA: /host/data
       HOST_MODELS: /host/models
+      DASHBOARD_BACKUP_DIR: /host/data/emergency-backups
       DASHBOARD_HISTORY_DB: /var/lib/llama-dashboard/history.sqlite3
       DASHBOARD_HISTORY_INTERVAL: "15"
       DASHBOARD_DETAIL_RETENTION_DAYS: "21"
@@ -797,7 +798,9 @@ services:
       - /var/run/docker.sock:/var/run/docker.sock:ro
       - /data/docker-backups:/archive
       - /etc/mike-ai:/backup/etc-mike-ai:ro
-      - /opt/mike-ai/stack:/backup/stack:ro
+      # Include every deployed specialist UI/worker source tree, not just the
+      # core checkout. Images themselves remain reproducible and are rebuilt.
+      - /opt/mike-ai:/backup/opt-mike-ai:ro
       - router-state:/backup/volumes/router-state:ro
       - router-images:/backup/volumes/router-images:ro
       - portainer-data:/backup/volumes/portainer-data:ro