- Move navigation from left sidebar to horizontal top tabs in BrokerAccountLayout
- Change dashboard blocks to single-column layout (Events, Income, Analytics, Allocation)
- Extend DS Chip with onClick/selected/disabled/aria-pressed
- Add clickable chip filters to Events and Income cards with immediate filtering
- Disable backend query when all types deselected (show validation message)
- Add useBrokerEvents/useBrokerOperations options.enabled param
- Update dashboard skeleton to single-column shape
- Add userEvent tests for chip filter interactions
Replace vertical overview with dashboard composition:
- BrokerDashboardHero with portfolio KPI, return, daily change, total income
- BrokerDashboardEventsCard with compact events table and local pagination
- BrokerDashboardIncomeCard with income operations table and cursor pagination
- BrokerDashboardAnalyticsCard with analytics Metric grid
- BrokerDashboardAllocationCard wrapping existing donut chart
- BrokerDashboardSkeleton matching dashboard shape
- BrokerDashboardCard local card pattern
- Pure lib helpers: dashboardIncome, dashboardFilters, dashboardFormatters
- Unit tests for income helpers (6) and dashboard composition (1)
