Task-oriented beta.6 guides

Start from the engineering question, not from a feature list.

The current Windows release supports feeder closed-loop testing, process-bus analysis, Transformer Differential internal/external evaluation, AVR/OLTC simulation with laboratory MMS, FAT/SAT preparation, and education/research workflows.

Boundary

Workflow guidance does not expand authority.

ARVREL remains virtual-output behavioral laboratory software. Use approved calibrated equipment and procedures for formal commissioning acceptance, and use live Ethernet only on authorized isolated laboratory networks.