feat(ghost): Implement Tag, Author and Page models; add advanced filtering, search, bulk operations, image upload, related-posts, update tests and bump dependencies

ts/classes.author.ts

@@ -0,0 +1,50 @@
+import type { Ghost } from './classes.ghost.js';
+import type { IAuthor } from './classes.post.js';
+
+export class Author {
+  public ghostInstanceRef: Ghost;
+  public authorData: IAuthor;
+
+  constructor(ghostInstanceRefArg: Ghost, authorData: IAuthor) {
+    this.ghostInstanceRef = ghostInstanceRefArg;
+    this.authorData = authorData;
+  }
+
+  public getId(): string {
+    return this.authorData.id;
+  }
+
+  public getName(): string {
+    return this.authorData.name;
+  }
+
+  public getSlug(): string {
+    return this.authorData.slug;
+  }
+
+  public getProfileImage(): string | undefined {
+    return this.authorData.profile_image;
+  }
+
+  public getBio(): string | undefined {
+    return this.authorData.bio;
+  }
+
+  public toJson(): IAuthor {
+    return this.authorData;
+  }
+
+  public async update(authorData: Partial<IAuthor>): Promise<Author> {
+    try {
+      const updatedAuthorData = await this.ghostInstanceRef.adminApi.users.edit({
+        ...authorData,
+        id: this.getId()
+      });
+      this.authorData = updatedAuthorData;
+      return this;
+    } catch (error) {
+      console.error('Error updating author:', error);
+      throw error;
+    }
+  }
+}