Introduces a new cryptographic key management system for user sessions, including models, DTOs, interfaces, and services for handling identity keys, signed pre-keys, and one-time pre-keys. Updates the SessionKeysController and DI configuration to use the new services. Adds related EF Core configurations and migrations, and updates the UserSession model to reference the new UserCryptoSession. Removes the obsolete ISessionKeyService interface.
The JwtService now includes sessionId in access tokens, and all usages have been updated to pass sessionId when generating tokens. UserSession now supports public encryption and signing keys. Tests and session management logic have been updated to reflect these changes, ensuring session-specific claims in JWTs and improved session tracking.
Introduced interfaces and services for tracking user online status, including IOnlineUserStore, IUserNotificationScopeService, and IUserPresenceReader. Added PresenceHub for real-time presence updates via SignalR. Updated OnlinePingingController to use new services and return online status and last seen. Extended UserDto with IsOnline property. Updated dependency injection and privacy settings enum. Removed obsolete IUserPresenceService.
Refactored the friend request command service and SignalR hub to return and broadcast FriendshipDto objects, improving real-time updates. Enhanced media upload and download logic to support file storage and retrieval, including database integration. Removed all command classes and related infrastructure from the Govor.Console project, streamlining the console client. Updated dependency injection and interfaces to reflect these changes.
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