- Updated NodeUsageDto to include node_uuid and changed date to datetime.
- Changed total fields in subscription and subscription request history models from float to int.
- Introduced response rules and conditions for subscription settings, including new models for response modifications.
- Added external squads management with CRUD operations and associated models.
- Implemented passkey management with registration and verification endpoints.
- Enhanced snippets management with full CRUD operations and validation.
- Added OAuth2 provider enum for better authentication handling.
