1 commit

Author	SHA1	Message	Date
Jiayuan Zhang	28957ba835	feat(skills): add Excel spreadsheet (xlsx) skill ... Add xlsx skill with openpyxl/pandas workflows, formula-first approach, LibreOffice recalculation, financial model color coding standards, and formula verification checklist. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>	2026-02-12 17:54:17 +08:00