The context list attached to a conversation — files, links, snippets and selections with their token cost, under a budget meter that spells out reserve + attachments = used and names exactly which entries get dropped when the window overflows.
npx shadcn@latest add @zyeon/context-attachmentsZyeon UI limits how often it can be asked, and Context Attachments hasn't had its turn. Its source will show here once it has.