### sh
- `python -m nanochat.report reset`
- `python -m scripts.tok_train --max_chars=2000000000`
- `python -m scripts.tok_eval`
- `torchrun --standalone --nproc_per_node=1 -m scripts.base_train -- --depth=18 --device-batch-size=1`
- `torchrun --standalone --nproc_per_node=1 -m scripts.base_eval -- --device-batch-size=1`
- `torchrun --standalone --nproc_per_node=1 -m scripts.chat_sft -- --device-batch-size=1`
- `torchrun --standalone --nproc_per_node=1 -m scripts.chat_eval -- -i sft`
- `python -m scripts.chat_cli -p "Why is the sky blue?"`
- `python -m scripts.chat_web`
- `python -m nanochat.report generate`