X_DOC_PATH_DEAD
Means
a published page names, in backticks, a packages/…, scripts/… or docs/… path that exists neither in this repository nor in a tracked app
Typical cause
a file was renamed or deleted and the page kept the old name (22.0.0's dev-* → runtime-* boot modules), or the page quoted a file that never existed. Placeholders, globs, build outputs, docs/plans/, docs/history/, CHANGELOG.md and any section opened by a **Historical:** label are not read
Fix
bun run doc-paths --json, then edit the named line to the current path — or open the section with **Historical:** if the page records a tree that no longer exists