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hypothesis
- models/residual_mlp.py: add residual_add and w2_std flags (default unchanged)
- experiments/snapshot_evolution_residual_explosion.py: add --no_residual_add and --w2_std CLI flags
- paper/main.tex §3 ¶3: add 1-sentence reference to no-residual control showing Mode 1 still fires
- paper/main.tex Appendix I: full smoke-test table + interpretation
- v2.2 main content stays at 8 pages (within 9-page E&D budget); 13 pages total
Smoke test (3 ep, w2_std=0.5, seed 42):
- DFA no-residual: ||h_L|| 4.69 -> 22050, ||g|| 1.6e-7 (Mode 1 (a) fires; (b) at floor)
- BP no-residual: acc only 0.16 at ep 3 (architecture is partially degenerate)
- Conclusion: residual skip is NOT necessary for Mode 1; the proximate trigger is more general
- Codex round 33 verdict: WALK BACK H2; demote 100ep run to confirmatory
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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