Module frontmatter 

The frontmatter builder: emits link edges from frontmatter link-target values, plus the parsed frontmatter block as metadata on the file it read. It is colocated — its metadata is about its own file — so its drift rides the file’s fs hash; it contributes no hash of its own.

Functions

build

Build the frontmatter graph fragment from text files, labeled label. filter scopes which paths the builder reads (None reads all); keys scopes which frontmatter keys yield edges (None uses shape detection). The fragment carries edges plus a node per file whose frontmatter parses to an object.