Revised the README.md and runbook to reflect changes in the SFT and GRPO training processes, including default input/output paths and parameters. Updated example commands for data preparation and training scripts to incorporate new defaults for merging datasets. Added details on the new `e1_m1_h1_examples.jsonl` file and clarified the training steps for improved user guidance. Introduced new JSONL files for verification results and summaries to enhance tracking of model performance.
