Naive × Claude Code char-count experiment release

This release includes code derived from verl and verl-recipe, licensed under
Apache License 2.0. Existing upstream copyright notices are retained.
The dataset generator carries Copyright 2024 Bytedance Ltd. and/or its affiliates.

Upstream sources:
https://github.com/verl-project/verl/tree/1876b06d0a3e4e71e06230be10af14492ca8a75b
https://github.com/verl-project/verl-recipe/tree/6d8d5c129334f40b463dc7e383cf269358352fd6

Release-specific code and documentation are distributed under Apache-2.0.
No Qwen model weights or private service credentials are distributed.
Names identify tools/models used in this experiment and imply no endorsement.
