# Stage 6: fine-tuning on CPU. Slow but real at 0.6B.
# bitsandbytes is listed for reading only - 4-bit on Windows CPU is unreliable,
# so QLoRA stays an explain-only lesson.
-r requirements-stage4.txt
peft>=0.20
trl>=1.9
accelerate>=1.14
evaluate>=0.4.6
