Phase A of permissions overhaul (see docs/superpowers/specs/2026-05-23-*).
New groups (technician/sales_rep/shop_manager_v2/sales_manager/manager/
quality_manager/owner) defined in fp_security_v2.xml with implied_ids
chains that include old groups for backward-compat during 30-day rollback
window. Old groups display as [DEPRECATED] in user form.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>