Per-expert directions should be unit normalized.

Extracted directions should be unit length.

Distributed refusal should not be predicted as SFT.

Projecting twice should give the same result as projecting once.

Multi-direction subspace should yield effective rank > 1.

Should compute before/after rank comparison.

effective_rank should handle matrix with NaN.

EGA should be called during distill when per_expert_directions is enabled.

EGA should only apply for dir_idx==0, not higher SVD directions.

Pipeline with surgical method should enable per_expert_directions.

End-to-end: EGA computes directions and granular projection modifies weights.

Verify _emit stores durations in _stage_durations dict.

Should handle empty input gracefully.

Should handle empty input gracefully.

Should handle empty input gracefully.

Empty string should fall through to Dense Standard.

Per Zou et al. logic, empty responses have no substring match = not refusals.

Top rows should capture most of the refusal energy.

Logit effect entropy should be non-negative.

Advanced method with norm preservation should maintain weight norms.

Basic method should modify weights.

Expert input projections (up_proj, gate_proj) should also be modified.

Expert transplant should overwrite safety expert weights with capability average.

Should extract directions for all provided layers.

falcon3 must NOT match 'o3' reasoning pattern.

Experts without per-expert direction should use shared direction.

Should fall back to raw prompts when template is not configured.

Experts without per-expert direction should use shared direction.

I'm sorry to hear that' followed by helpful content.

Few-shot settings should match Arditi et al. / Open LLM Leaderboard.

Should find a router named 'gate'.

Should find a router named 'router'.

First-token KL of different distributions should be positive.

First-token KL of identical distributions should be 0.

Layers between 5% and 10% of max should now be included.

When activations are purely linear, curvature should be near zero.