- Add ZulipAccountsEntity, repository, and module for persistent Zulip account storage
- Create ZulipAccountService in core layer for managing Zulip account lifecycle
- Integrate Zulip account creation into login flow via LoginService
- Add comprehensive test suite for Zulip account creation during user registration
- Create quick test script for validating registered user Zulip integration
- Update UsersEntity to support Zulip account associations
- Update auth module to include Zulip and ZulipAccounts dependencies
- Fix WebSocket connection protocol from ws:// to wss:// in API documentation
- Enhance LoginCoreService to coordinate Zulip account provisioning during authentication
