Correct post-bias degeneration attribution

Cannot isolate instruct tuning vs architecture (sliding window,
KV sharing, logit softcapping) with current test matrix.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

paper.tex

@@ -138,7 +138,9 @@ Gemma 4 E4B-it & Repetition loops & No \\
 Gemma 4 E2B-it & Repetition loops & No \\
 \bottomrule
 \end{tabular}
-\caption{Post-bias degeneration is caused by instruct tuning, not model size.}
+\caption{Post-bias degeneration correlates with both instruct tuning and
+architectural complexity (sliding window attention, KV sharing, logit
+softcapping). Confounded in current test matrix.}
 \label{tab:postbias}
 \end{table}