Implement Session Persistence: 'Keep me logged in' now works by toggling between localStorage and sessionStorage based on user choice

frontend/src/supabase.ts

@@ -3,4 +3,28 @@ import { createClient } from '@supabase/supabase-js'
 export const SUPABASE_URL = 'https://bjgixlugjzsccazdfmph.supabase.co'
 export const SUPABASE_ANON_KEY = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6ImJqZ2l4bHVnanpzY2NhemRmbXBoIiwicm9sZSI6ImFub24iLCJpYXQiOjE3NzIwNjQyMTAsImV4cCI6MjA4NzY0MDIxMH0.untLQoPi4yUr3cPnxo23wYSlg6xnNK0daKu9UHmFTp8'
 
-export const supabase = createClient(SUPABASE_URL, SUPABASE_ANON_KEY)
+// SIBU | Hybrid Storage: Maneja persistencia según la voluntad del usuario
+const authStorage = {
+    getItem: (key: string) => localStorage.getItem(key) || sessionStorage.getItem(key),
+    setItem: (key: string, val: string) => {
+        // Si ya existe en sessionStorage, seguimos guardando allí (no persistente)
+        if (sessionStorage.getItem(key)) {
+            sessionStorage.setItem(key, val)
+        } else {
+            // Por defecto guardamos en localStorage (persistente)
+            localStorage.setItem(key, val)
+        }
+    },
+    removeItem: (key: string) => {
+        localStorage.removeItem(key)
+        sessionStorage.removeItem(key)
+    }
+}
+
+export const supabase = createClient(SUPABASE_URL, SUPABASE_ANON_KEY, {
+    auth: {
+        storage: authStorage as any,
+        autoRefreshToken: true,
+        persistSession: true
+    }
+})