fix(website): update route params type for Next.js 16

Next.js 15+ changed dynamic route params to Promise<...>.
Update GET and POST type signatures in blog comments route.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/website/src/app/api/blog/[slug]/comments/route.ts

@@ -4,9 +4,9 @@ const API_URL = process.env.MEEZI_API_URL ?? "http://localhost:5001";
 
 export async function GET(
   _req: NextRequest,
-  { params }: { params: { slug: string } }
+  { params }: { params: Promise<{ slug: string }> }
 ) {
-  const { slug } = await Promise.resolve(params);
+  const { slug } = await params;
 
   try {
     const res = await fetch(
@@ -31,9 +31,9 @@ export async function GET(
 
 export async function POST(
   req: NextRequest,
-  { params }: { params: { slug: string } }
+  { params }: { params: Promise<{ slug: string }> }
 ) {
-  const { slug } = await Promise.resolve(params);
+  const { slug } = await params;
 
   let body: unknown;
   try {