perf: otimizar dashboard com indexes, cache e consolidação de queries (v1.3.0)

- Adicionar indexes compostos em lancamentos para queries frequentes
- Eliminar ~20 JOINs com pagadores via helper cacheado getAdminPagadorId()
- Consolidar queries: income-expense-balance (12→1), payment-status (2→1), categories (4→2)
- Adicionar cache cross-request via unstable_cache com tag-based invalidation
- Limitar scan de métricas a 24 meses
- Deduplicar auth session por request via React.cache()

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

components/relatorios/category-report-table.tsx

@@ -1,7 +1,10 @@
 "use client";
 
 import { useMemo } from "react";
-import type { CategoryReportData, CategoryReportItem } from "@/lib/relatorios/types";
+import type {
+	CategoryReportData,
+	CategoryReportItem,
+} from "@/lib/relatorios/types";
 import { CategoryTable } from "./category-table";
 
 interface CategoryReportTableProps {