refactor(core): move app para src e padroniza estrutura

src/app/(dashboard)/budgets/page.tsx

@@ -0,0 +1,54 @@
+import { BudgetsPage } from "@/features/budgets/components/budgets-page";
+import { fetchBudgetsForUser } from "@/features/budgets/queries";
+import MonthNavigation from "@/shared/components/month-picker/month-navigation";
+import { getUserId } from "@/shared/lib/auth/server";
+import { parsePeriodParam } from "@/shared/utils/period";
+
+type PageSearchParams = Promise<Record<string, string | string[] | undefined>>;
+
+type PageProps = {
+	searchParams?: PageSearchParams;
+};
+
+const getSingleParam = (
+	params: Record<string, string | string[] | undefined> | undefined,
+	key: string,
+) => {
+	const value = params?.[key];
+	if (!value) return null;
+	return Array.isArray(value) ? (value[0] ?? null) : value;
+};
+
+const capitalize = (value: string) =>
+	value.length === 0 ? value : value[0]?.toUpperCase() + value.slice(1);
+
+export default async function Page({ searchParams }: PageProps) {
+	const userId = await getUserId();
+	const resolvedSearchParams = searchParams ? await searchParams : undefined;
+	const periodoParam = getSingleParam(resolvedSearchParams, "periodo");
+
+	const {
+		period: selectedPeriod,
+		monthName: rawMonthName,
+		year,
+	} = parsePeriodParam(periodoParam);
+
+	const periodLabel = `${capitalize(rawMonthName)} ${year}`;
+
+	const { budgets, categoriesOptions } = await fetchBudgetsForUser(
+		userId,
+		selectedPeriod,
+	);
+
+	return (
+		<main className="flex flex-col gap-6">
+			<MonthNavigation />
+			<BudgetsPage
+				budgets={budgets}
+				categories={categoriesOptions}
+				selectedPeriod={selectedPeriod}
+				periodLabel={periodLabel}
+			/>
+		</main>
+	);
+}