- Add deep_cfr_color_shared_512x3.yaml: color_shared without attention - Add deep_cfr_color_shared_attention_512x3.yaml: color_shared with 2-layer attention - Both use 512 hidden size and 3 MLP layers - Configs are ready for experimental training runs Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>