Role training

Hand a one-page per role:

• Operator: floor, ack alerts, shift handover, view OEE/energy. No registry tokens.
• Maintenance: resolve alerts, work orders, Connect. No Executive.
• Admin: tokens, team, OEE config, Executive, settings.
• Ops owner: fleet, create factory, enter plant.
• Ops viewer: look, do not enter.

Handover pack: factory slug, device list, gateway IPs, MQTT topic pattern, who to call, academy URL.