fix: [nomad-step-3] S3-fix-3 — host-volume dirs need 0777 for non-root containers (#953)

lib/init/nomad/cluster-up.sh

@@ -282,8 +282,6 @@ for d in "${HOST_VOLUME_DIRS[@]}"; do
     log "creating: ${d}"
     install -d -m 0777 -o root -g root "$d"
   fi
-  # Ensure correct permissions (fixes pre-existing 0755 dirs on re-run)
-  chmod 0777 "$d"
 done
 
 # ── Step 5/9: /etc/nomad.d/server.hcl + client.hcl ───────────────────────────