Start Gen6 from the newly promoted Gen5 rolling champion (hybrid-duel). Train the 8 Champion Forge challengers with the next run-number-derived seeds, use the strengthened multi-seed promotion gate, and update sideswipe-pretrain-latest only if a challenger beats the Gen5 champion without regressing either 1v1 or 2v2.
Start Gen6 from the newly promoted Gen5 rolling champion (hybrid-duel). Train the 8 Champion Forge challengers with the next run-number-derived seeds, use the strengthened multi-seed promotion gate, and update sideswipe-pretrain-latest only if a challenger beats the Gen5 champion without regressing either 1v1 or 2v2.