- image pinned to solr:8.10.1, SOLR_HOME=/var/solr/data, solr_cores mounted ro on /opt/configsets
- update_solr_config.sh writes into a solr_cores tree and RELOADs cores
- solr_cores bumped to configset restructure, solr_cores_stage worktree ignored
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>