Microsoft Graph file management for OneDrive / SharePoint / Teams with app-only
(client credentials) authentication, stateless over urllib (no dependency). 19
commands: browse sites/drives/content, create folders, delete/upload/replace/
download files (content passed via base64 or source URL; download returns the
pre-authenticated Graph URL), site permission management (list/create/update/
delete), SharePoint list reading (lists/items/get-item), and Excel worksheet
editing (append row, read range, update cell).
Each script obtains a bearer token via the client-credentials grant and calls
Graph directly. Re-implemented cleanly from a customized source: dropped the
hosted-proxy/auth-code/managed-identity/certificate flows, the duplicated and
broken Excel helpers, and the platform-specific file-entry handling.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Guillaume BOURGEOIS
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