- Expand search space from 25D to 26D with cql_alpha (0.0-0.5) - v_min bounds: (-3,-1) → (-15,-3), v_max: (1,3) → (3,15) - Default use_qr_dqn: true → false (IQN disabled) - Wire cql_alpha into DQNHyperparameters construction - Update all 18 adapter tests for new dimensions and ranges Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>