feat(domains): support username root domain claims

websocket_service.py

@@ -1383,12 +1383,12 @@ async def handle_create_domain(client_id, data):
 
     user_id = client_info['user_id']
     username = client_info['username']
-    subdomain_name = data.get('subdomain')
+    subdomain_name = '' if data.get('useUsernameDomain') is True else data.get('subdomain')
     server_id = data.get('serverId')
 
     logger.info(f"DEBUG: Creating domain for user {username}, subdomain: {subdomain_name}")
 
-    if not subdomain_name:
+    if subdomain_name is None:
         await send_message(client_id, {'type': 'error', 'error': 'Subdomain name required'})
         return
 
@@ -1398,7 +1398,7 @@ async def handle_create_domain(client_id, data):
         return
 
     # Validate subdomain name
-    if not domain_manager._is_valid_subdomain(subdomain_name):
+    if subdomain_name and not domain_manager._is_valid_subdomain(subdomain_name):
         await send_message(client_id, {'type': 'error', 'error': 'Invalid subdomain name. Use only lowercase letters, numbers, and hyphens (1-63 chars)'})
         return
 
@@ -1409,7 +1409,7 @@ async def handle_create_domain(client_id, data):
     try:
         # Check if subdomain is available (improved check)
         user_domain = f"u-{username}.{domain_manager.base_domain}"
-        full_subdomain = f"{subdomain_name}.{user_domain}"
+        full_subdomain = f"{subdomain_name}.{user_domain}" if subdomain_name else user_domain
 
         # Check if domain already exists in database
         with database_connection() as conn: