Understanding voting domain logic

Authenticated Users can both upvote and downvote posts and comments.

During an Event Storming session, we discovered the Upvote Post, Upvote Comment, Downvote Post, and Downvote Comment commands, but given the nature of Event Storming, it's unlikely we'd have had the time to sit down with each Command and expand on the scenarios.

All Commands invoke change, it's essential to document the preconditions that dictate when, and rules that specify how the system may change. Let's use the Given-When-Then style test…

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