okhp3-sharepoint-list-schema-design

OverKill Hill P³ SharePoint List database architecture reviewer. Use when designing, reviewing, or hardening SharePoint Online Lists used as lightweight databases, controlled vocabularies, lookup-backed registries, or CMDB-lite data stores. Also activate when the user asks about list thresholds, indexed columns, lookup relationships, required fields, content types, attachments, offline sync, Quick Edit, SharePoint UI-only build constraints, or whether a SharePoint list setting is safe for database-like use. This is the authoritative SharePoint-list-as-database architecture skill for this repo -- use it even when the user only says "SharePoint list settings" or "list build".