learnings

Create README.md

resume after crash + save optimizer state

tweaks for small GPUs

nix setup

Update run script with sweep-optimized hyperparameters (LR=2e-3, loops=4, entropy_β=0.1, grad_clip=2.0)

Add RTX 3050 run script with tuned settings for 6GB VRAM

Add BitLoopLM training script (v2: 6L×6lp, LR 1.5e-3, BF16 auto-detect)

initial commit