feat: add slides generation tool with multiple slide types

- Add slides.tool.ts with support for title, bullets, chart, stats, table, cards, timeline, quote, comparison, equation, image, summary slide types
- Chart types: bar, horizontal-bar, line, donut, radar
- Integrate with agent executor and canvas system
- Add multilingual support (en/fr)
- Various UI improvements and bug fixes

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

memento-note/app/(main)/graph/page.tsx

@@ -0,0 +1,17 @@
+'use client'
+
+import dynamic from 'next/dynamic'
+
+// D3 uses browser APIs — must be loaded client-side only
+const NoteGraphView = dynamic(
+  () => import('@/components/note-graph-view').then(m => m.NoteGraphView),
+  { ssr: false }
+)
+
+export default function GraphPage() {
+  return (
+    <div className="h-screen overflow-hidden">
+      <NoteGraphView />
+    </div>
+  )
+}