fix: peak hours analysis uses all historical data

Remove date range filtering from peak-hours endpoint so the
analysis considers all available data in the database, not just
the last 30 days.

apps/frontend/src/features/analysis/AnalysisPage.tsx

@@ -101,11 +101,8 @@ export function AnalysisPage({ currency }: { currency: string }) {
   );
   const { data: monthlyLastData } = useMonthlyLast();
 
-  const { data: peakHoursData, isLoading: peakHoursLoading } = usePeakHours(
-    "BELO",
-    startDateStr,
-    endDateStr,
-  );
+  const { data: peakHoursData, isLoading: peakHoursLoading } =
+    usePeakHours("BELO");
 
   const chartData = useMemo(() => {
     if (!daily) return [];

apps/frontend/src/lib/api.ts

@@ -122,13 +122,8 @@ export function getHistoricalMinMax(type: string): Promise<HistoricalMinMax> {
   return fetcher<HistoricalMinMax>(`/api/quotes/${type}/historical/min-max`);
 }
 
-export function getPeakHours(
-  type: string,
-  startDate: string,
-  endDate: string,
-): Promise<PeakHoursResponse> {
-  const params = new URLSearchParams({ startDate, endDate });
-  return fetcher<PeakHoursResponse>(`/api/quotes/${type}/peak-hours?${params}`);
+export function getPeakHours(type: string): Promise<PeakHoursResponse> {
+  return fetcher<PeakHoursResponse>(`/api/quotes/${type}/peak-hours`);
 }
 
 export type MonthlyLast = {

apps/frontend/src/lib/queries.ts

@@ -64,8 +64,8 @@ export const quoteKeys = {
     ["quotes", type, "daily", startDate, endDate] as const,
   historicalMinMax: (type: string) =>
     ["quotes", type, "historicalMinMax"] as const,
-  peakHours: (type: string, startDate: string, endDate: string) =>
-    ["quotes", type, "peakHours", startDate, endDate] as const,
+  peakHours: (type: string) =>
+    ["quotes", type, "peakHours"] as const,
 };
 
 export function useQuotes() {
@@ -135,14 +135,10 @@ export function useHistoricalMinMax(type: string) {
   });
 }
 
-export function usePeakHours(
-  type: string,
-  startDate: string,
-  endDate: string,
-) {
+export function usePeakHours(type: string) {
   return useQuery({
-    queryKey: quoteKeys.peakHours(type, startDate, endDate),
-    queryFn: () => getPeakHours(type, startDate, endDate),
+    queryKey: quoteKeys.peakHours(type),
+    queryFn: () => getPeakHours(type),
     staleTime: 30_000,
   });
 }