ProofreadPage uses images in some special ways do not always generate a record on imagelinks table. This behavior is well-known and has been addressed on some places to date as on Special:GlobalUsage @ Wikimedia Commons [1].
The absence of a record on imagelinks table not only breaks some statistics and monitoring tasks, but it also creates challenges for those interested to fork, mirror or pre-parse XML dumps for offline usage relying on imagelinks.sql.gz Wikisource wikis.
Please add an automated way to create records on imagelinks table for images used by ProfreadPage extension.
I've made two workarounds for pt.wikisource, but those workarounds are very hard to generate or maintain. For the record, [2] tracks individual files containing only one page digitized and [3] contains the multipage file formats.
pt.wikisource and the most majority of Wikisources already have a workaround for multipage files (rendering the cover or title page directly on Index: page) but this method isn't guaranteed to always work since some Index pages don't/won't render it for some unknown reason (maybe new users that don't known how to do it or even the absence of a scanned page to properly illustrate the digitization set?).
[1] - https://commons.wikimedia.org/wiki/MediaWiki:Globalusage-header
[2] - https://pt.wikisource.org/wiki/Utilizador:555/force_pagelinks_table_record/001
[3] - https://pt.wikisource.org/wiki/Utilizador:555/force_pagelinks_table_record/ext001