feat(agenda): add weekly agenda experience

app/[locale]/agenda/[slug]/page.tsx

@@ -0,0 +1,78 @@
+import type { Metadata } from "next";
+import { notFound } from "next/navigation";
+import { BlogDetailContent } from "@/components/blog-detail-content";
+import { ArticleJsonLd } from "@/components/json-ld";
+import { getBlogDetailBySlug } from "@/data/blog-detail";
+import { isNewsletterCategory } from "@/data/blog";
+
+const SITE_URL = process.env.NEXT_PUBLIC_SITE_URL || "https://poyrazavsever.com";
+
+type AgendaDetailPageProps = {
+  params: Promise<{ locale: string; slug: string }>;
+};
+
+export async function generateMetadata({
+  params,
+}: AgendaDetailPageProps): Promise<Metadata> {
+  const { locale, slug } = await params;
+  const post = await getBlogDetailBySlug(slug);
+
+  if (!post || post.lang !== locale || !isNewsletterCategory(post.category)) {
+    return { title: locale === "en" ? "Agenda post not found" : "Gündem yazısı bulunamadı" };
+  }
+
+  const url = `${SITE_URL}${locale === "en" ? "/en" : ""}/agenda/${post.slug}`;
+
+  return {
+    title: post.title,
+    description: post.excerpt,
+    alternates: { canonical: url },
+    openGraph: {
+      title: post.title,
+      description: post.excerpt,
+      url,
+      type: "article",
+      publishedTime: post.date,
+      authors: [post.author],
+      images: [
+        {
+          url: post.coverImage,
+          width: 1200,
+          height: 630,
+          alt: post.title,
+        },
+      ],
+    },
+    twitter: {
+      card: "summary_large_image",
+      title: post.title,
+      description: post.excerpt,
+      images: [post.coverImage],
+    },
+  };
+}
+
+export default async function AgendaDetailPage({ params }: AgendaDetailPageProps) {
+  const { locale, slug } = await params;
+  const post = await getBlogDetailBySlug(slug);
+
+  if (!post || post.lang !== locale || !isNewsletterCategory(post.category)) {
+    notFound();
+  }
+
+  const url = `${SITE_URL}${locale === "en" ? "/en" : ""}/agenda/${post.slug}`;
+
+  return (
+    <>
+      <ArticleJsonLd
+        title={post.title}
+        description={post.excerpt}
+        url={url}
+        image={post.coverImage}
+        datePublished={post.date}
+        authorName={post.author}
+      />
+      <BlogDetailContent post={post} section="agenda" />
+    </>
+  );
+}

app/[locale]/agenda/page.tsx

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+import type { Metadata } from "next";
+import { getTranslations } from "next-intl/server";
+import { BlogContent } from "@/components/blog-content";
+import { getAgendaPageData } from "@/data/blog";
+
+type AgendaPageProps = {
+  params: Promise<{ locale: string }>;
+  searchParams?: Promise<{
+    page?: string | string[];
+    search?: string | string[];
+  }>;
+};
+
+export async function generateMetadata({ params }: AgendaPageProps): Promise<Metadata> {
+  const { locale } = await params;
+  const t = await getTranslations({ locale, namespace: "Agenda" });
+
+  return {
+    title: t("title"),
+    description: t("description"),
+  };
+}
+
+export default async function AgendaPage({ params, searchParams }: AgendaPageProps) {
+  const { locale } = await params;
+  const resolved = searchParams ? await searchParams : undefined;
+  const pageParam = Array.isArray(resolved?.page) ? resolved.page[0] : resolved?.page;
+  const searchParam = Array.isArray(resolved?.search)
+    ? resolved.search[0]
+    : resolved?.search;
+  const page = Number(pageParam ?? "1");
+  const currentPage = Number.isFinite(page) && page > 0 ? Math.floor(page) : 1;
+  const data = await getAgendaPageData(locale, currentPage, 12, searchParam);
+
+  return <BlogContent data={data} section="agenda" />;
+}