diff --git a/apps/user-ui/app/(drawer)/(tabs)/home/_layout.tsx b/apps/user-ui/app/(drawer)/(tabs)/home/_layout.tsx
index ca8365f..29f3908 100644
--- a/apps/user-ui/app/(drawer)/(tabs)/home/_layout.tsx
+++ b/apps/user-ui/app/(drawer)/(tabs)/home/_layout.tsx
@@ -12,7 +12,7 @@ export default function HomeLayout() {
       }}
     >
       <Stack.Screen
-        name="product-detail/[id]"
+        name="product-detail"
         options={{
           headerShown: false,
           title: "Product Details",
diff --git a/apps/user-ui/src/hooks/prominent-api-hooks.ts b/apps/user-ui/src/hooks/prominent-api-hooks.ts
index f1f5cf7..fc94084 100644
--- a/apps/user-ui/src/hooks/prominent-api-hooks.ts
+++ b/apps/user-ui/src/hooks/prominent-api-hooks.ts
@@ -6,82 +6,52 @@ import { AllProductsApiType, StoresApiType, SlotsApiType, EssentialConstsApiType
 import { CACHE_FILENAMES } from "@packages/shared";
 import { StorageServiceCasual } from 'common-ui';
 
-// Local useGetEssentialConsts hook
+// The only persisted payload: the small essential-consts config object
+// (assetsDomain, cache versions, etc.). The big data payloads (products,
+// stores, slots, availability, banners) are fetched fresh each session and
+// kept in memory by react-query — they are NOT written to storage.
+const ESSENTIAL_CONSTS_KEY = 'essential_consts'
+
 export const useGetEssentialConsts = () => {
-  const query = trpc.common.essentialConsts.useQuery(undefined, {
-    refetchInterval: 60000,
-  })
-  return { ...query, refetch: query.refetch }
-}
-
-// ---------------------------------------------------------------------------
-// Persisted cache helpers — store fetched JSON keyed by its versioned URL.
-// Only refetch + repersist when the version (URL) changes.
-// ---------------------------------------------------------------------------
-
-interface PersistedCache<T> {
-  version: string
-  data: T
-}
-
-const CACHE_STORAGE_KEYS = {
-  products: 'cache_products',
-  stores: 'cache_stores',
-  slots: 'cache_slots',
-  banners: 'cache_banners',
-  availability: 'cache_availability',
-  storeProducts: (storeId: number) => `cache_store_${storeId}`,
-} as const
-
-async function readPersistedCache<T>(key: string): Promise<PersistedCache<T> | null> {
-  const raw = await StorageServiceCasual.getItem(key)
-  if (!raw) return null
-  try {
-    return JSON.parse(raw) as PersistedCache<T>
-  } catch {
-    return null
-  }
-}
-
-async function writePersistedCache<T>(key: string, version: string, data: T): Promise<void> {
-  await StorageServiceCasual.setItem(key, JSON.stringify({ version, data }))
-}
-
-/**
- * Loads the persisted cache for `storageKey` and reports whether its version
- * matches the current `version`. Returns { initialData, isReady }.
- * - version matches → serve persisted data, no network refetch needed.
- * - version differs → signal to refetch (caller's query fetches + repersists).
- */
-function usePersistedCache<T>(storageKey: string, version: string | null) {
-  const [initialData, setInitialData] = useState<T | undefined>(undefined)
+  const [initialData, setInitialData] = useState<EssentialConstsApiType | undefined>(undefined)
   const [isReady, setIsReady] = useState(false)
 
+  // Load the last persisted response so config is available immediately.
   useEffect(() => {
     let cancelled = false
-    setIsReady(false)
-    setInitialData(undefined)
-    if (!version) {
-      setIsReady(true)
-      return
-    }
-    readPersistedCache<T>(storageKey).then((persisted) => {
+    StorageServiceCasual.getItem(ESSENTIAL_CONSTS_KEY).then((raw) => {
       if (cancelled) return
-      if (persisted && persisted.version === version) {
-        setInitialData(persisted.data)
+      if (raw) {
+        try {
+          setInitialData(JSON.parse(raw))
+        } catch {
+          // ignore corrupt cache
+        }
       }
       setIsReady(true)
     })
     return () => { cancelled = true }
-  }, [storageKey, version])
+  }, [])
 
-  return { initialData, isReady }
+  const query = trpc.common.essentialConsts.useQuery(undefined, {
+    refetchInterval: 60000,
+    enabled: isReady,
+    placeholderData: initialData,
+  })
+
+  // Persist the latest response.
+  useEffect(() => {
+    if (query.data) {
+      StorageServiceCasual.setItem(ESSENTIAL_CONSTS_KEY, JSON.stringify(query.data))
+    }
+  }, [query.data])
+
+  return { ...query, refetch: query.refetch }
 }
 
 type ProductsResponse = AllProductsApiType;
 type StoresResponse = StoresApiType;
 type SlotsResponse = SlotsApiType;
-type EssentialConstsResponse = EssentialConstsApiType;
 type BannersResponse = BannersApiType;
 type StoreWithProductsResponse = StoreWithProductsApiType;
 type AvailabilityResponse = AvailabilityApiType;
@@ -142,7 +112,6 @@ export function useAllProducts() {
   const cacheUrl = useCacheUrl(CACHE_FILENAMES.products)
   const { data: availabilityData } = useAvailability()
   const version = cacheUrl ?? ''
-  const { initialData, isReady } = usePersistedCache<ProductsResponse>(CACHE_STORAGE_KEYS.products, version)
 
   const productsQuery = useQuery<ProductsResponse>({
     queryKey: ['all-products', version],
@@ -151,12 +120,10 @@ export function useAllProducts() {
         throw new Error('Cache URL not available')
       }
       const response = await axios.get<ProductsResponse>(cacheUrl)
-      await writePersistedCache(CACHE_STORAGE_KEYS.products, version, response.data)
       return response.data
     },
     staleTime: 60000, // 1 minute
-    enabled: !!cacheUrl && isReady,
-    placeholderData: initialData,
+    enabled: !!cacheUrl,
   })
 
   const mergedProducts = React.useMemo(() => {
@@ -197,7 +164,6 @@ export function useAllProducts() {
 export function useAvailability() {
   const cacheUrl = useAvailabilityCacheUrl()
   const version = cacheUrl ?? ''
-  const { initialData, isReady } = usePersistedCache<AvailabilityResponse>(CACHE_STORAGE_KEYS.availability, version)
 
   return useQuery<AvailabilityResponse>({
     queryKey: ['availability', version],
@@ -206,19 +172,16 @@ export function useAvailability() {
         throw new Error('Cache URL not available')
       }
       const response = await axios.get<AvailabilityResponse>(cacheUrl)
-      await writePersistedCache(CACHE_STORAGE_KEYS.availability, version, response.data)
       return response.data
     },
     staleTime: 60000, // 1 minute
-    enabled: !!cacheUrl && isReady,
-    placeholderData: initialData,
+    enabled: !!cacheUrl,
   })
 }
 
 export function useStores() {
   const cacheUrl = useCacheUrl(CACHE_FILENAMES.stores)
   const version = cacheUrl ?? ''
-  const { initialData, isReady } = usePersistedCache<StoresResponse>(CACHE_STORAGE_KEYS.stores, version)
 
   return useQuery<StoresResponse>({
     queryKey: ['stores', version],
@@ -227,19 +190,16 @@ export function useStores() {
         throw new Error('Cache URL not available')
       }
       const response = await axios.get<StoresResponse>(cacheUrl)
-      await writePersistedCache(CACHE_STORAGE_KEYS.stores, version, response.data)
       return response.data
     },
     staleTime: 60000, // 1 minute
-    enabled: !!cacheUrl && isReady,
-    placeholderData: initialData,
+    enabled: !!cacheUrl,
   })
 }
 
 export function useSlots() {
   const cacheUrl = useSlotsCacheUrl()
   const version = cacheUrl ?? ''
-  const { initialData, isReady } = usePersistedCache<SlotsResponse>(CACHE_STORAGE_KEYS.slots, version)
 
   return useQuery<SlotsResponse>({
     queryKey: ['slots', version],
@@ -247,36 +207,29 @@ export function useSlots() {
       if (!cacheUrl) {
         throw new Error('Cache URL not available')
       }
-      const response = await axios.get<SlotsResponse>(cacheUrl+'?v=123')
-      await writePersistedCache(CACHE_STORAGE_KEYS.slots, version, response.data)
+      const response = await axios.get<SlotsResponse>(cacheUrl + '?v=123')
       return response.data
     },
     staleTime: 60000, // 1 minute
-    enabled: !!cacheUrl && isReady,
-    placeholderData: initialData,
+    enabled: !!cacheUrl,
   })
 }
 
 export function useBanners() {
   const cacheUrl = useCacheUrl(CACHE_FILENAMES.banners)
   const version = cacheUrl ?? ''
-  const { initialData, isReady } = usePersistedCache<BannersResponse>(CACHE_STORAGE_KEYS.banners, version)
 
   return useQuery<BannersResponse>({
     queryKey: ['banners', version],
     queryFn: async () => {
-    
-        if (!cacheUrl) {
-          throw new Error('Cache URL not available')
-        }
-        const response = await axios.get<BannersResponse>(cacheUrl)
-        await writePersistedCache(CACHE_STORAGE_KEYS.banners, version, response.data)
-        return response.data
-      
+      if (!cacheUrl) {
+        throw new Error('Cache URL not available')
+      }
+      const response = await axios.get<BannersResponse>(cacheUrl)
+      return response.data
     },
     staleTime: 60000, // 1 minute
-    enabled: !!cacheUrl && isReady,
-    placeholderData: initialData,
+    enabled: !!cacheUrl,
   })
 }
 
@@ -291,7 +244,6 @@ export function useStoreWithProducts(storeId: number) {
     ? `${assetsDomain}${apiCacheKey}/v-${cacheVersion}/stores/${storeId}.json`
     : null
   const version = cacheUrl ?? ''
-  const { initialData, isReady } = usePersistedCache<StoreWithProductsResponse>(CACHE_STORAGE_KEYS.storeProducts(storeId), version)
 
   return useQuery<StoreWithProductsResponse>({
     queryKey: ['store-with-products', storeId, version],
@@ -300,11 +252,9 @@ export function useStoreWithProducts(storeId: number) {
         throw new Error('Cache URL not available')
       }
       const response = await axios.get<StoreWithProductsResponse>(cacheUrl)
-      await writePersistedCache(CACHE_STORAGE_KEYS.storeProducts(storeId), version, response.data)
       return response.data
     },
     staleTime: 60000, // 1 minute
-    enabled: !!cacheUrl && isReady,
-    placeholderData: initialData,
+    enabled: !!cacheUrl,
   })
 }