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README.md

@@ -382,7 +382,7 @@ Total: 143 passing
 
 | Document | Size | What It Contains |
 |----------|------|-----------------|
-| [SYSTEM_DESIGN.md](https://huggingface.co/nkshirsa/phd-research-os-brain/blob/main/SYSTEM_DESIGN.md) | 57KB | Complete 7-layer architecture with training pipeline |
+| [SYSTEM_DESIGN.md](https://huggingface.co/nkshirsa/phd-research-os-brain/blob/main/SYSTEM_DESIGN.md) | 71KB | Complete 7-layer architecture + Appendix A (MAGMA, post-Transformer architectures, CompreSSM) with training pipeline |
 | [BLINDSPOT_AUDIT_COMPLETE.md](https://huggingface.co/nkshirsa/phd-research-os-brain/blob/main/BLINDSPOT_AUDIT_COMPLETE.md) | 45KB | 87 failure modes found by adversarial thinking |
 | [FUTURE_IMPROVEMENTS.md](https://huggingface.co/nkshirsa/phd-research-os-brain/blob/main/FUTURE_IMPROVEMENTS.md) | 39KB | 78 practical problems found by reading every code file |
 | [DEPLOYMENT_ARM.md](https://huggingface.co/nkshirsa/phd-research-os-brain/blob/main/DEPLOYMENT_ARM.md) | 3KB | ARM/local deployment guide |