ArcKit Australian Energy Sector Overlay

Australian Energy Sector Overlay for ArcKit — 2 commands for AESCSF maturity assessment and energy-sector compliance (AER ring-fencing, AEMC NER/NGR, AEMO interfaces, DERMS/DOE, CSIP-AUS, SOCI escalation). Recipe: au-energy. First Australian sector overlay; composes the arckit-au federal baseline (Essential Eight, ISM, OT security, SOCI/CIRMP, Privacy Act/NDB). Requires arckit core and arckit-au plugins.