initial: bootstrap from BukidBountyApp base

resources/js/stores/prefetch.js

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+// resources/js/stores/prefetch.js
+import { defineStore } from 'pinia';
+import { ref, watch } from 'vue';
+
+const CACHE_KEY = 'bukid_prefetch_cache';
+const SIX_MONTH_MS = 6 * 30 * 24 * 60 * 60 * 1000;
+
+export const usePrefetchStore = defineStore('prefetch', () => {
+    // Load initial state from localStorage
+    const saved = localStorage.getItem(CACHE_KEY);
+    const caches = ref(saved ? JSON.parse(saved) : {});
+
+    // Save to localStorage whenever caches changes
+    watch(caches, (newCaches) => {
+        localStorage.setItem(CACHE_KEY, JSON.stringify(newCaches));
+    }, { deep: true });
+
+    const setCache = (key, data) => {
+        caches.value[key] = {
+            data,
+            timestamp: Date.now()
+        };
+    };
+
+    const getCache = (key) => {
+        const entry = caches.value[key];
+        if (!entry) return null;
+
+        // Check if within 6-month validity window
+        if (Date.now() - entry.timestamp > SIX_MONTH_MS) {
+            delete caches.value[key];
+            return null;
+        }
+
+        return entry.data;
+    };
+
+    const hasCache = (key) => {
+        const entry = caches.value[key];
+        if (!entry) return false;
+        if (Date.now() - entry.timestamp > SIX_MONTH_MS) {
+            delete caches.value[key];
+            return false;
+        }
+        return true;
+    };
+
+    const clearCache = () => {
+        caches.value = {};
+    };
+
+    return {
+        caches,
+        setCache,
+        getCache,
+        hasCache,
+        clearCache
+    };
+});