"""Firetitan Cookbook -- training recipes and utilities.

Recipes (fork and customise):
  - cookbook/recipes/grpo_loop.py: GRPO (RL) training
  - cookbook/recipes/dpo_loop.py:  DPO (preference) training
  - cookbook/recipes/sft_loop.py:  SFT (supervised) training

Utilities (import from recipes):
  - cookbook.utils: configs, infra, losses, data loading, logging
"""
