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/app/api/canvas/slides/pptx/route.ts

@@ -69,6 +69,7 @@ async function buildPptx(spec: any): Promise<Buffer> {
       }
 
       case 'bullets': {
+        console.log('[PPTX] Rendering bullets slide:', slide.title, 'items:', slide.items?.length)
         s.background = { color: p.bg }
         s.addShape(pptx.ShapeType.rect, {
           x: 0, y: 0, w: 0.06, h: H,
@@ -82,16 +83,17 @@ async function buildPptx(spec: any): Promise<Buffer> {
           x: 0.5, y: 1.35, w: 0.5, h: 0.06,
           fill: { color: p.accent }, line: { type: 'none' },
         })
-        const bullets = (slide.items ?? []).map((item: string) => ({
-          text: item,
-          options: { bullet: { type: 'bullet' as const }, paraSpaceAfter: 6 },
-        }))
-        if (bullets.length) {
-          s.addText(bullets, {
-            x: 0.5, y: 1.6, w: W - 1, h: H - 2,
+        const items = slide.items ?? []
+        console.log('[PPTX] Bullet items:', items.length, items[0])
+        // Use simpler bullet format - each item as separate text call with bullet option
+        items.forEach((item: string, i: number) => {
+          s.addText(item, {
+            x: 0.5, y: 1.6 + i * 0.45, w: W - 1, h: 0.5,
             fontSize: 17, color: p.text,
+            bullet: true,
+            paraSpaceAfter: 6,
           })
-        }
+        })
         break
       }