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/note-editor/note-editor-toolbar.tsx

@@ -22,7 +22,7 @@ import {
 } from 'lucide-react'
 import { NoteShareDialog } from './note-share-dialog'
 import { deleteNote, leaveSharedNote } from '@/app/actions/notes'
-import { useRefresh } from '@/lib/use-refresh'
+import { emitNoteChange } from '@/lib/note-change-sync'
 import { useLanguage } from '@/lib/i18n'
 import { NOTE_COLORS, NoteColor, Note } from '@/lib/types'
 import { cn } from '@/lib/utils'
@@ -39,7 +39,6 @@ interface NoteEditorToolbarProps {
 export function NoteEditorToolbar({ mode, onClose, onToggleAttachments, attachmentsCount }: NoteEditorToolbarProps) {
   const { state, actions, note, readOnly, fullPage, notebooks, fileInputRef } = useNoteEditorContext()
   const { t } = useLanguage()
-  const { refreshNotes } = useRefresh()
   const [isConverting, setIsConverting] = useState(false)
   const [shareOpen, setShareOpen] = useState(false)
 
@@ -225,8 +224,8 @@ export function NoteEditorToolbar({ mode, onClose, onToggleAttachments, attachme
                 <DropdownMenuItem
                   onClick={async () => {
                     try {
-                      await deleteNote(note.id)
-                      refreshNotes(note.notebookId)
+                      await deleteNote(note.id, { skipRevalidation: true })
+                      emitNoteChange({ type: 'deleted', noteId: note.id, notebookId: note.notebookId })
                       toast.success(t('notes.noteDeletedToast'))
                       onClose()
                     } catch { toast.error(t('notes.deleteNoteFailedToast')) }
@@ -366,9 +365,9 @@ export function NoteEditorToolbar({ mode, onClose, onToggleAttachments, attachme
               className="flex items-center gap-2 text-red-600 hover:text-red-700 hover:bg-red-50 dark:hover:bg-red-950/30"
               onClick={async () => {
                 try {
-                  await leaveSharedNote(note.id)
+                  await leaveSharedNote(note.id, { skipRevalidation: true })
+                  emitNoteChange({ type: 'deleted', noteId: note.id, notebookId: note.notebookId })
                   toast.success(t('notes.leftShare'))
-                  refreshNotes(note.notebookId)
                   onClose()
                 } catch {
                   toast.error(t('general.error'))