fix: update models_gateway_api_url to include version in cloud service configuration

Author: RockChinQ

src/langbot/pkg/persistence/migrations/dbm017_move_cloud_service_url.py

@@ -10,7 +10,7 @@ async def upgrade(self):
         if 'space' not in self.ap.instance_config.data:
             self.ap.instance_config.data['space'] = {
                 'url': 'https://space.langbot.app',
-                'models_gateway_api_url': 'https://api.langbot.cloud',
+                'models_gateway_api_url': 'https://api.langbot.cloud/v1',
                 'oauth_authorize_url': 'https://space.langbot.app/auth/authorize',
                 'disable_models_service': False,
             }

src/langbot/templates/config.yaml

@@ -74,7 +74,7 @@ space:
     # Space service URL for OAuth and API
     url: 'https://space.langbot.app'
     # Space API URL for model requests (MaaS)
-    models_gateway_api_url: 'https://api.langbot.cloud'
+    models_gateway_api_url: 'https://api.langbot.cloud/v1'
     # OAuth authorization page URL (user will be redirected here)
     oauth_authorize_url: 'https://space.langbot.app/auth/authorize'
     disable_models_service: false