Curated English canonical description (CURATED_DESCRIPTIONS[relPath].description)
— only returned for English callers; non-English callers fall
through to tier 3 so readers don't see raw English on localized
pages when the curated English is non-trivial.
Localized generic fallback sentence built from the file's localized
title and a localized kind word
Resolve the best description for a given methodology / template / reference file and language.
Lookup priority:
CURATED_DESCRIPTIONS[relPath].i18n[lang])CURATED_DESCRIPTIONS[relPath].description) — only returned for English callers; non-English callers fall through to tier 3 so readers don't see raw English on localized pages when the curated English is non-trivial.