Add authentication check and require user ID for story creation

lib/db-actions.ts

@@ -3,7 +3,7 @@ import { stories, pages, type Story, type Page } from './schema';
 import { eq } from 'drizzle-orm';
 import { generateComicSlug } from './slug-generator';
 
-export async function createStory(data: { title: string; description?: string; userId?: string }): Promise<Story> {
+export async function createStory(data: { title: string; description?: string; userId: string }): Promise<Story> {
   // Generate a unique slug
   let slug = generateComicSlug();
   let attempts = 0;

lib/schema.ts

@@ -7,7 +7,7 @@ export const stories = pgTable('stories', {
   title: text('title').notNull(),
   slug: text('slug').notNull().unique(),
   description: text('description'),
-  userId: uuid('user_id'), // Optional - for future Clerk auth
+  userId: uuid('user_id').notNull(), // Required Clerk user ID
   createdAt: timestamp('created_at').defaultNow().notNull(),
   updatedAt: timestamp('updated_at').defaultNow().notNull(),
 });