subagentcitations

platform.claude.com/docs/en/build-with-claude/citations.md

Citations reference specific locations in source documents. The format of these citations are dependent on the type of document being cited from.

This primitive's own schema is itself a citation: char_location/page_location/content_block_location and every field name in the citations table above is copied directly from this doc. A citation-tracking site whose seed data is itself citations.