Audio files will be added to issues details

Verbal explanation are needed .I didn't avoid it. In order to make deep understanding of the history in issues,
**Audio file recordings** help to increase the _clarity_.

Issue #688 does not identify files, entry points, tests, or acceptance criteria. Start by locating how issue details are represented and fetched in this JavaScript GitHub API wrapper, then clarify the supported audio format, storage or transport, and the conditions that would define a complete implementation.

索引モデルが issue の本文から書いたものです。