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- Add managed NUT mode: configure NUT daemon from Settings → Plugins (UPS plugin), writes /data/nut_managed.json read by entrypoint on restart — no env vars or USB passthrough required - entrypoint.sh: start NUT from /data/nut_managed.json or NUT_MANAGED=1 env var; drop to app user via gosu after NUT daemons start - nut_setup.py: support --from-file <json> in addition to env vars - Dockerfile: add nut, nut-client, gosu packages and entrypoint - docker-compose.yml: document optional NUT_MANAGED env var block - Fix plugin hot-reload migration failure: pass all plugin migration dirs to Alembic so previously-stamped revisions from other plugins remain resolvable (fixes UPS and any plugin with depends_on) - Fix plugin list-type config (e.g. SNMP devices) rendering as broken text input — now shows a read-only note to edit plugin.yaml instead - Fix _sync_nut_managed_config: only write JSON when nut_ups_host is non-empty, preventing NUT startup loop on container restart Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>