feat(api/v2): store user agent details in the session (#6711)

This change adds the ability to set and get user agent data, such as fingerprint, IP, request headers and a description to the session. All fields are optional.

Closes #6028

internal/repository/session/session.go

@@ -35,6 +35,7 @@ const (
 
 type AddedEvent struct {
 	eventstore.BaseEvent `json:"-"`
+	UserAgent            *domain.UserAgent `json:"user_agent,omitempty"`
 }
 
 func (e *AddedEvent) Data() interface{} {
@@ -47,6 +48,7 @@ func (e *AddedEvent) UniqueConstraints() []*eventstore.EventUniqueConstraint {
 
 func NewAddedEvent(ctx context.Context,
 	aggregate *eventstore.Aggregate,
+	userAgent *domain.UserAgent,
 ) *AddedEvent {
 	return &AddedEvent{
 		BaseEvent: *eventstore.NewBaseEventForPush(
@@ -54,6 +56,7 @@ func NewAddedEvent(ctx context.Context,
 			aggregate,
 			AddedType,
 		),
+		UserAgent: userAgent,
 	}
 }