Replace custom button-based period selector with the existing
helpdesk-segment-control radio+label pattern used in the controlling
dashboard. Removes duplicate CSS and ensures visual consistency.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
New standalone page (helpdesk/team) showing support agent workload
aggregated from BC tickets. KPI bar (open, unassigned, avg age, resolved),
per-agent table sorted by open tickets, period selector (30/90/180/365d).
Global OData query via getTicketsForTeam() without customer filter.
New permission helpdesk.team-workload.view with admin role assignment.
Includes 6 PHPUnit tests for buildTeamWorkloadDashboard().
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
