The sum of all bids may never equal the number of cards each player
holds in the round; the last bidder has to adjust their bid. This was an
optional "not equal" lobby setting and is now a fixed rule of the game
engine, so it applies to humans, AI players and training alike.
- Remove GameOptions.not_equal, the set_options field, the lobby toggle
and the --not-equal training flag
- Explain the rule in the lobby and show the blocked bid while bidding
- Drop the option from the AI observation encoding
- Tests check that no round ends with bids summing to the cards in hand
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
marvinandClaude Opus 5.5
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