feat: F006 supply dashboard — KPI grid, strong matches, data quality, future signals, review tasks

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/hooks/useSupplyDashboard.ts

@@ -0,0 +1,11 @@
+import { useQuery } from '@tanstack/react-query'
+import { dashboardService } from '../services/dashboardService'
+import type { DashboardData } from '../domain/dashboard'
+
+export function useSupplyDashboard() {
+  return useQuery<DashboardData>({
+    queryKey: ['supply', 'dashboard'],
+    queryFn: () => dashboardService.getDashboardData(),
+    staleTime: 30_000,
+  })
+}