feat: allow creating articles with marka

lib/resource/articles.ts

@@ -1,17 +1,30 @@
+import { z } from "zod";
 export type Article = {
-  id: string;
-  type: "article";
-  content: string;
-  name: string;
-  tags: string[];
-  meta: {
-    done?: boolean;
-    date: Date;
-    link: string;
-    thumbnail?: string;
-    average?: string;
-    image?: string;
-    author?: string;
-    rating?: number;
+  _type: "Article";
+  headline?: string;
+  datePublished?: string;
+  articleBody?: string;
+  keywords?: string[];
+  image?: string;
+  url?: string;
+  reviewRating?: {
+    bestRating?: number;
+    worstRating?: number;
+    ratingValue?: number;
+  };
+  author?: {
+    _type: "Person";
+    name?: string;
   };
 };
+
+export const articleMetadataSchema = z.object({
+  headline: z.union([z.null(), z.string()]).describe("Headline of the article"),
+  author: z.union([z.null(), z.string()]).describe("Author of the article"),
+  datePublished: z.union([z.null(), z.string()]).describe(
+    "Date the article was published",
+  ),
+  keywords: z.union([z.null(), z.array(z.string())]).describe(
+    "Keywords for the article",
+  ),
+});