Add Sentinel Vision Navigator progress log

Add SentinelBrain v2 realignment checkpoint and training report

docs: Rebirth Edition (v2) - document v1 crisis at step 1390, nine-critic analysis, v2 fresh start with full optimizer saves, current LIVE val=7.5178 NEW BEST at step 100, step-500 watchdog, link to v5 whitepaper Part VII

docs: step 1320 recovery data, multi-cycle SGDR, eval history

Update model card: realignment progress (step 1150), SGDR warm restart, crash recovery, engineering resilience section

🧟 Frankenstein Edition branding + knowledge transplant section

Add Frankenstein Edition branding: assets/sentinel_frankenstein_avatar.png

Add Frankenstein Edition branding: assets/sentinel_frankenstein_banner.png

Update model card with comprehensive details, diagrams, and results

SentinelBrain-14B-MoE v0.1 — step 2471, val_loss 1.9926, 178,110,464 tokens trained on AMD MI300X

initial commit