- 5 operator roles (Owner/Admin/Support/Billing/Read-only) seeded via migration
with a capability catalogue; app checks capabilities via Gate, never role names
- every mutating admin action authorizes server-side (hosts/datacenters/customers/
impersonate/provisioning); is_admin reads migrated to console.view / isOperator()
- admin /settings: own account + Owner-only staff invite/role/revoke with
last-owner, self-role and customer-collision guards (transactional)
- sidebar 'zum Kundenportal' link replaced with Settings
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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