v0.8.0 - Admin users page + staff-panel banner on /support

Added

• Admin → Users page (#62): a paged, searchable list of host users at /support/admin/users with toggles to grant or revoke is_admin / is_agent. Lands a Users entry in the admin nav between Roles and Capacity. Self-demote on the Admin toggle is disabled in the UI and rejected server-side. Pairs with escalated-laravel#94. Surfaced from #60, where the reporter asked "how do you create agent?"
• Staff-panel banner on /support (#61): the customer index scopes its ticket list to the current user, so admins / agents who landed on /support saw only their own tickets and concluded that customer-submitted tickets were invisible to staff. Customer tickets are visible in /support/admin/tickets and /support/agent/tickets — the new banner just makes that path obvious from the customer view.

Backwards compatibility

Both additions are forward-compatible. The Users page assumes hosts are using the is_admin / is_agent columns the install command suggests; hosts wiring the gates differently (Spatie roles, etc.) can override the controller in the companion Laravel package.

Full Changelog: v0.7.1...v0.8.0