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-dialog.tsx

@@ -9,7 +9,7 @@ import { ComparisonModal } from '@/components/comparison-modal'
 import { FusionModal } from '@/components/fusion-modal'
 import { ReminderDialog } from '@/components/reminder-dialog'
 import { ContextualAIChat } from '@/components/contextual-ai-chat'
-import { EditorConnectionsSection } from '@/components/editor-connections-section'
+import { MemoryEchoSection } from '@/components/memory-echo-section'
 import {
   Dialog,
   DialogContent,
@@ -25,6 +25,7 @@ import { useLanguage } from '@/lib/i18n'
 import { cn } from '@/lib/utils'
 import { toast } from 'sonner'
 import { Note } from '@/lib/types'
+import { useState } from 'react'
 
 interface NoteEditorDialogProps {
   onClose: () => void
@@ -33,6 +34,7 @@ interface NoteEditorDialogProps {
 export function NoteEditorDialog({ onClose }: NoteEditorDialogProps) {
   const { state, actions, note, readOnly, notebooks, fileInputRef } = useNoteEditorContext()
   const { t } = useLanguage()
+  const [comparisonSimilarity, setComparisonSimilarity] = useState<number | undefined>()
 
   const handleSaveAndClose = async () => {
     await actions.handleSave()
@@ -112,13 +114,10 @@ export function NoteEditorDialog({ onClose }: NoteEditorDialogProps) {
 
             {/* Memory Echo Connections Section */}
             {!readOnly && (
-              <EditorConnectionsSection
+              <MemoryEchoSection
                 noteId={note.id}
-                onOpenNote={(noteId: string) => {
-                  onClose()
-                  window.location.href = `/home?note=${noteId}`
-                }}
-                onCompareNotes={(noteIds: string[]) => {
+                onCompareNotes={(noteIds: string[], meta?: { similarity?: number }) => {
+                  setComparisonSimilarity(meta?.similarity)
                   Promise.all(noteIds.map(async (id: string) => {
                     try {
                       const res = await fetch(`/api/notes/${id}`)
@@ -292,11 +291,24 @@ export function NoteEditorDialog({ onClose }: NoteEditorDialogProps) {
       {state.comparisonNotes && state.comparisonNotes.length > 0 && (
         <ComparisonModal
           isOpen={!!state.comparisonNotes}
-          onClose={() => actions.setComparisonNotes([])}
+          onClose={() => {
+            setComparisonSimilarity(undefined)
+            actions.setComparisonNotes([])
+          }}
           notes={state.comparisonNotes}
-          onOpenNote={(noteId: string) => {
-            onClose()
-            window.location.href = `/home?note=${noteId}`
+          similarity={comparisonSimilarity}
+          onMergeNotes={async (noteIds: string[]) => {
+            const fetchedNotes = await Promise.all(noteIds.map(async (id: string) => {
+              try {
+                const res = await fetch(`/api/notes/${id}`)
+                if (!res.ok) return null
+                const data = await res.json()
+                return data.success && data.data ? data.data : null
+              } catch {
+                return null
+              }
+            }))
+            actions.setFusionNotes(fetchedNotes.filter((n): n is Partial<Note> => n !== null))
           }}
         />
       )}