Claude in Sheets

There is no extension of Calude in Sheet exists. Please change the course or make Claude extesion exist in the sheets.

The issue names no file, test, or entry point. First clarify whether the course should change or a Claude extension for Sheets should be added, then identify the affected course material or integration boundary. Done means one agreed scope is implemented and the course or Sheets workflow supports it.

索引モデルが issue の本文から書いたものです。