feat(notes): liens internes, onglet Réseau, living blocks et consentement IA

Rend les liens entre notes visibles et persistants (sync NoteLink au save, auto-save, graphe réseau rafraîchi), ajoute living blocks, Memory Echo, recherche globale, consentement IA explicite et consolide les prototypes design en architectural-grid.

Co-authored-by: Cursor <cursoragent@cursor.com>

memento-note/components/notification-panel.tsx

@@ -14,7 +14,6 @@ import { getPendingShareRequests, respondToShareRequest, getNotesWithReminders,
 import { getPendingBrainstormShares, respondToBrainstormShare } from '@/app/actions/brainstorm'
 import { getUnreadNotifications, markNotificationRead, markAllNotificationsRead, type AppNotification } from '@/app/actions/notifications'
 import { toast } from 'sonner'
-import { useRefresh } from '@/lib/use-refresh'
 import { cn } from '@/lib/utils'
 import { useLanguage } from '@/lib/i18n'
 import { formatDistanceToNow } from 'date-fns'
@@ -57,7 +56,6 @@ const C = {
 }
 
 export function NotificationPanel() {
-  const { refreshNotes } = useRefresh()
   const { t } = useLanguage()
   const router = useRouter()
   const [requests, setRequests] = useState<ShareRequest[]>([])
@@ -113,7 +111,6 @@ export function NotificationPanel() {
         description: t('collaboration.nowHasAccess', { name: 'Note' }),
         duration: 3000,
       })
-      refreshNotes(null)
       setOpen(false)
     } catch (error: any) {
       toast.error(error.message || t('general.error'))
@@ -135,7 +132,6 @@ export function NotificationPanel() {
     try {
       await toggleReminderDone(noteId, done)
       setReminders(prev => prev.map(r => r.id === noteId ? { ...r, isReminderDone: done } : r))
-      refreshNotes(null)
     } catch {
       toast.error(t('general.error'))
     }