Fix params/searchParams types for Next.js app router

app/blog/[slug]/page.tsx

@@ -6,7 +6,7 @@ import Footer from "@/components/marketing/Footer";
 import ScrollReveal from "@/components/animations/ScrollReveal";
 import { getBlogPost, getBlogPosts, getSiteConfig } from "@/lib/content";
 
-type Props = { params: { slug: string } };
+type Props = { params: Promise<{ slug: string }> };
 
 // Corps des articles — FUTURE: champ rich text Payload CMS
 const articleContenu: Record<string, string[]> = {
@@ -69,7 +69,7 @@ export async function generateStaticParams() {
 export async function generateMetadata(
   { params }: Props
 ): Promise<Metadata> {
-  const { slug } = params;
+  const { slug } = await params;
   const [post, config] = await Promise.all([getBlogPost(slug), getSiteConfig()]);
   if (!post) return { title: "Article introuvable" };
   return {
@@ -80,7 +80,7 @@ export async function generateMetadata(
 }
 
 export default async function BlogArticlePage({ params }: Props) {
-  const { slug } = params;
+  const { slug } = await params;
   const post = await getBlogPost(slug);
   if (!post) notFound();