API capability pack for bounded Webex Messaging v1 operations against https://webexapis.com/v1 only. Reads the current person, people lookup, rooms, messages, and room memberships, and supports approval-gated posting of one room message or threaded reply. Bundles a scheduled room activity digest, an AI-assisted message brief, and an approval-gated room update workflow. Enroll a Webex OAuth bearer connection named webex with the narrowest Messaging scopes needed for the installed operations. The pack intentionally excludes room create/update/delete, membership mutation, message edit/delete, files and attachments, webhooks and events, meetings, calling, devices, admin/compliance organization access, and arbitrary API passthrough.