data/ablation_study.csv

config,layers,em,f1,faithfulness,sdr_pct,cpr_pct,delta_em,key_addition
A,Baseline,61.2,68.4,0.71,0,0,0,Standard DPR retrieval
B,A+TVE,65.3,72.1,0.75,18,0,4.1,Causal+syntactic arms added
C,B+VRC,67.8,74.9,0.78,26,8,2.5,Geometric causal suppression
D,C+SDC,70.4,78.2,0.83,48,19,2.6,Per-chunk SDS threshold
E,D+CPG,72.1,80.3,0.88,54,58,1.7,Collective ESR constraint (+39pp CPR)
F,E+RFG,73.4,81.5,0.9,57,65,1.3,No-weak-link Phi-score
G,F+CCB,73.9,82.0,0.91,59,68,0.5,Depth-0 at position 0
H,G+FV (FULL),74.8,82.6,0.94,61,71,0.9,Delta-R gate + regen loop