# Step 2 — Implementation Detail

1. Implemented site_id, drive_id, folder_path, and credential_ref scope/configuration.
2. Implemented authenticated Graph adapter calls through injected graph and secret-provider ports.
3. Implemented full listing and configured PDF, DOCX, and HTML MIME filtering.
4. Implemented delta-token incremental ingestion and cursor version advancement.
5. Mapped SharePoint item IDs, URLs, modified timestamps, eTags, and webhook resources into contract records.