Rebuild app IA and polish pantry, chips, and food data.

Introduce the four-tab hubs (Jetzt/Küche/Planen/Wissen), frosted ingredient flyouts with caution reasons, structured nutrition fields with protein sorting, and disabled coming-soon nav tiles.

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

client/src/components/ui-pp/Accordion.tsx

@@ -70,9 +70,7 @@ export function Accordion({
             "active:brightness-[0.98]",
           )}
         >
-          {icon ? (
-            <span className="shrink-0 text-xl leading-none">{icon}</span>
-          ) : null}
+          {icon ? <span className="shrink-0 leading-none">{icon}</span> : null}
           <span className="type-title-sm min-w-0 flex-1 text-[var(--ink)]">
             {title}
           </span>