feat: add ROI and performance analytics dashboards

[El-Chapo-Npm]

Summary

Implement ROI and performance analytics data hooks plus dashboard/widget layout coverage.

Changes

• Add useRoiMetrics with typed return trends, cost breakdown, driver profitability, loading/error state, filters, caching, and refetch support.
• Add usePerformanceMetrics with typed delivery-time, completion-rate, regional-volume, and driver-ranking metrics.
• Add accessible RoiDashboard KPI, trend, cost, and driver-profitability widgets.
• Add accessible PerformanceMetricsDashboard KPI, delivery-time, completion-rate, regional-volume, and driver-ranking widgets.
• Add hook and component tests covering API requests, response unwrapping, loading states, error states, retry behavior, and dashboard layout.

Validation

• Targeted Jest suites: 2 passed, 6 tests passed.
• ESLint passed for all changed hooks, components, and tests.
• git diff --check passed.
• Repository-wide TypeScript checking is currently blocked by five unrelated pre-existing syntax errors in app/page.tsx and components/escrow/__tests__/CheckoutFlow.keyboard.test.tsx; no diagnostics were reported for the changed files before those errors terminated the check.

Closes #861
Closes #865
Closes #867
Closes #863

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