feat: Implement final error coverage

src/lib/slugUtils.ts

@@ -1,5 +1,5 @@
 import { supabase } from '@/lib/supabaseClient';
-import { logger } from './logger';
+import { handleError } from './errorHandler';
 
 /**
  * Generate a URL-safe slug from a name
@@ -51,7 +51,10 @@ export async function ensureUniqueSlug(
     const { data, error } = await query.limit(1);
 
     if (error) {
-      logger.error('Error checking slug uniqueness', { error, tableName });
+      handleError(error, {
+        action: 'Check Slug Uniqueness',
+        metadata: { tableName, slug }
+      });
       throw error;
     }