Add D002 (malformed attribute blocks), R004 (skipped declare rows), and V001-V005 (CSV data files). CSV checks run once per referenced file and also cover inline spark-table bodies.
Generate docs/reference.md from the known.ts catalog via npm run gen:reference, and add drift guards asserting the catalog matches the customElement call sites and the committed reference.
Statically validate a directory of tttk documents and report structured diagnostics with file/line positions, exit codes, and --json output. Checks cover code-block roles, unresolved content references, tag blocks, element names, links, anchors, and assets. Runs over the same content registry as the app.
hypercross