Introduce team invitation support and a revamped email subsystem plus admin features. Adds Invitation model and API endpoints (create, list, revoke, resend, validate) and integrates invitation validation into user registration. Replaces old email account model with richer email models (EmailDomain, EmailAccount, EmailAlias, EmailForwardingRule, DNSProviderConfig) and updates models __init__. Refactors email API to manage domains, accounts, aliases, forwarding, DNS providers, spamassassin, Roundcube/Postfix services and queue/log endpoints. Adds several backend services (invitation, DNS provider, DKIM, Dovecot, Postfix, Roundcube, SpamAssassin, permission service) and a DB migration for permissions/invitations. Enhances admin API with permission management and activity dashboard endpoints, extends audit log actions, and adds a permission_required RBAC decorator. Includes frontend additions for settings/invitations UI and miscellaneous config/service updates and tests.
Introduces backend endpoints and models for admin features including user management, system settings, and audit logging. Adds RBAC middleware, audit log and system settings models, and services for audit and settings. Updates authentication to support setup flow and registration control. On the frontend, adds settings tabs for users and audit logs, a setup page, and updates routing and context to support setup and registration state. Styles and API service are updated to support new features.
Juan Denis