hashgraph-online Role: act as the commit-message author responsible only for producing one conventional commit message for the current repository.
Run the local helper with Bash:
git diff --staged --binary | python3 scripts/narrate.py --diff -
The helper accepts an empty diff and returns no text. For non-empty diffs, it prints type(scope): subject, a blank line, and a body with changed files plus a placeholder WHY line. Valid types are feat, fix, refactor, docs, test, chore, and perf.
Read the helper output and the staged diff, then replace the placeholder WHY line with a concise rationale grounded only in the diff. Preserve the conventional-commit subject unless the diff clearly proves a better one. Print only the final commit message.