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/usage-meter.tsx

@@ -50,23 +50,43 @@ export function UsageMeter({ className }: UsageMeterProps) {
     );
   }
 
+  const getPackLabel = () => {
+    if (!data.tier) return t('usageMeter.packName');
+    switch (data.tier) {
+      case 'PRO': return t('usageMeter.packPro');
+      case 'BUSINESS': return t('usageMeter.packBusiness');
+      case 'ENTERPRISE': return t('usageMeter.packEnterprise');
+      default: return t('usageMeter.packName');
+    }
+  };
+
   const isProPlus = data.tier && data.tier !== 'BASIC';
 
+  // Features visibles dans l'UI (les features techniques comme expand/enrich sont cachées)
+  const VISIBLE_FEATURES = new Set([
+    'semantic_search',
+    'auto_tag',
+    'auto_title',
+    'reformulate',
+    'chat',
+    'brainstorm_create', // Sera affiché comme "Sessions brainstorm"
+    'suggest_charts',
+  ]);
+
   const featureLabels: Record<string, string> = {
     semantic_search: t('usageMeter.featureSearch'),
     auto_tag: t('usageMeter.featureTags'),
     auto_title: t('usageMeter.featureTitles'),
     reformulate: t('usageMeter.featureReformulate'),
     chat: t('usageMeter.featureChat'),
-    brainstorm_create: t('usageMeter.featureBrainstormCreate'),
-    brainstorm_expand: t('usageMeter.featureBrainstormExpand'),
-    brainstorm_enrich: t('usageMeter.featureBrainstormEnrich'),
+    brainstorm_create: t('usageMeter.featureBrainstormSessions'), // Label simplifié
+    suggest_charts: t('usageMeter.featureCharts'),
   };
 
   const featureQuotas = Object.entries(data.quotas)
-    .filter(([_, q]) => q.limit > 0)
+    .filter(([key, q]) => q.limit > 0 && VISIBLE_FEATURES.has(key))
     .map(([key, quota]) => ({
-      key,
+      key: key === 'brainstorm_create' ? 'brainstorm_sessions' : key, // Renommer pour l'affichage
       label: featureLabels[key] || key,
       used: quota.used,
       limit: quota.limit,
@@ -105,7 +125,7 @@ export function UsageMeter({ className }: UsageMeterProps) {
                     : 'text-brand-accent fill-brand-accent/20'
               )}
             />
-            <span className="text-[11px] font-bold text-ink/70">{t('usageMeter.packName')}</span>
+            <span className="text-[11px] font-bold text-ink/70">{getPackLabel()}</span>
 
             {!isUnlimited && (
               <>