Implement case-sensitive key encoding for deep link queries

Author: devkiran

apps/web/app/app.dub.co/(deeplink)/deeplink/[domain]/[key]/page.tsx

@@ -9,6 +9,7 @@ import { redirect } from "next/navigation";
 import { DeepLinkActionButtons } from "./action-buttons";
 import { BrandLogoBadge } from "./brand-logo-badge";
 import { getLanguage, getTranslations } from "./translations";
+import { encodeKeyIfCaseSensitive } from "@/lib/api/links/case-sensitivity";
 
 export default async function DeepLinkPreviewPage(props: {
   params: Promise<{ domain: string; key: string }>;
@@ -23,11 +24,17 @@ export default async function DeepLinkPreviewPage(props: {
   const language = getLanguage(acceptLanguage);
   const t = getTranslations(language);
 
+  // Encode the key for case-sensitive domains before querying
+  const encodedKey = encodeKeyIfCaseSensitive({
+    domain,
+    key
+  });
+
   const link = await prisma.link.findUnique({
     where: {
       domain_key: {
         domain,
-        key,
+        key: encodedKey,
       },
     },
     select: {