feat: dashboard Second Brain, essai 7 jours et vérification e-mail

Rendre le dashboard actionnable (inbox, peek, carte mentale), aligner la facturation sur l’essai 7 jours, et bloquer le login e-mail tant que l’adresse n’est pas confirmée.

Co-authored-by: Cursor <cursoragent@cursor.com>

memento-note/components/interactive-page/page-view.tsx

@@ -79,6 +79,9 @@ export function PageView({
       style={paperStyle}
     >
       <style>{`
+        @media (prefers-reduced-motion: no-preference) {
+          html { scroll-behavior: smooth; }
+        }
         .interactive-page {
           --pp-paper: #F4F0E8;
           --pp-paper-deep: #EAE4D9;
@@ -139,6 +142,15 @@ export function PageView({
           }
         }
       `}</style>
+      {/* Without JS the scroll-reveal never fires — show everything */}
+      <noscript>
+        <style>{`
+          .interactive-page [data-scroll-init] {
+            opacity: 1 !important;
+            transform: none !important;
+          }
+        `}</style>
+      </noscript>
 
       {/* ── Hero (kicker / 800 title / ink subtitle / mono meta) ── */}
       <header className="mx-auto max-w-[1100px] px-5 pb-8 pt-12 md:pt-16">