The split guard failed open on any new split name; it now allows Train and
split-less items only. The page printed Debug of Refusal/StoreError and the
EntityRead store message; it prints Display and a fixed line. edition_year
held the first-appearance year of the work or translation, not the page read:
the doc comment and published schema say so.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>