The Command_ShouldRenderEmbedOnSuccess test asserted the presence of
WithEmbeds in DiscordNewSessionCommand.cs. After switching to deferred
responses (InteractionCallback.DeferredMessage + ModifyResponseAsync),
embeds are now set via message.Embeds = embeds instead.
Bump version → 3.0.8
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>