Работает сохранение новой статьи.

src/routes/articles/controllers/crud.ts

@@ -44,7 +44,7 @@ export async function createArticle(req: AuthRequest, res: Response) : Promise<v
     }
 
     const category = await prisma.category.findUnique({
-      where: { id: parseInt(categoryId) }
+      where: { id: categoryId }
     });
 
     if (!category) {
@@ -64,7 +64,7 @@ export async function createArticle(req: AuthRequest, res: Response) : Promise<v
         title,
         excerpt,
         content,
-        categoryId: parseInt(categoryId),
+        categoryId,
         city,
         coverImage,
         readTime,