diff --git a/lib/services/analytics-service.ts b/lib/services/analytics-service.ts
index 9bd1513..a7374f2 100644
--- a/lib/services/analytics-service.ts
+++ b/lib/services/analytics-service.ts
@@ -424,6 +424,23 @@ export interface PredictionsOverview {
   message?: string;
 }
 
+export interface BatchPredictionsResponse {
+  success: boolean;
+  storeId?: string;
+  historicalPeriod?: number;
+  horizons?: number[];
+  simulationFactors?: number[];
+  predictions?: {
+    [horizon: string]: {
+      [simulationFactor: string]: PredictionsOverview;
+    };
+  };
+  totalEntries?: number;
+  generatedAt?: string;
+  message?: string;
+}
+
+
 // Prediction Service Functions
 
 /**
@@ -546,3 +563,28 @@ export const getPredictionsOverviewWithStore = async (
   const storeId = getStoreIdForUser();
   return getPredictionsOverview(daysAhead, period, storeId, simulation);
 };
+
+/**
+ * Get all cached predictions in one request (for client-side switching)
+ * @param period Historical period in days (default: 90)
+ * @param storeId Optional storeId for staff users
+ */
+export const getBatchPredictions = async (
+  period: number = 90,
+  storeId?: string,
+): Promise<BatchPredictionsResponse> => {
+  const params = new URLSearchParams({
+    period: period.toString(),
+  });
+  if (storeId) params.append("storeId", storeId);
+
+  const url = `/analytics/predictions/batch?${params.toString()}`;
+  return clientFetch<BatchPredictionsResponse>(url);
+};
+
+export const getBatchPredictionsWithStore = async (
+  period: number = 90,
+): Promise<BatchPredictionsResponse> => {
+  const storeId = getStoreIdForUser();
+  return getBatchPredictions(period, storeId);
+};