- noisy_epsilon_floor fallback: 0.05 → 0.0 (C2: NoisyNet only) - count_bonus_coefficient fallback: 0.1 → 0.0 (C2: disabled) - use_count_bonus: true → false (C2: conflicts with NoisyNet) - Fix 4 stale comments saying "REMOVED" → "FIXED to 0.0" Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>