feat: Introduce a toggleable discovery drawer with shop search and a new 'locate me' map control.

src/app/page.tsx

@@ -9,6 +9,7 @@ import { WelcomeModal } from "~/components/WelcomeModal";
 
 export default function HomePage() {
   const [selectedShop, setSelectedShop] = useState<typeof COFFEE_SHOPS[0] | null>(null);
+  const [isDiscoveryOpen, setIsDiscoveryOpen] = useState(true);
 
   return (
     <main className="relative h-screen w-screen overflow-hidden bg-black text-white font-serif">
@@ -16,15 +17,23 @@ export default function HomePage() {
       <div className="absolute inset-0 z-0">
         <MapLoader
           shops={COFFEE_SHOPS}
-          onShopSelect={(shop: typeof COFFEE_SHOPS[0]) => setSelectedShop(shop)}
+          onShopSelect={(shop: typeof COFFEE_SHOPS[0]) => {
+            setSelectedShop(shop);
+            setIsDiscoveryOpen(true);
+          }}
           selectedShop={selectedShop}
+          isDiscoveryOpen={isDiscoveryOpen}
+          onToggleDiscovery={() => setIsDiscoveryOpen(!isDiscoveryOpen)}
         />
       </div>
 
       {/* Right Drawer */}
       <Drawer
         shop={selectedShop}
+        shops={COFFEE_SHOPS}
+        onSelect={setSelectedShop}
         onClose={() => setSelectedShop(null)}
+        isOpen={isDiscoveryOpen}
       />
       <WelcomeModal />
     </main>