FFF doesn't accept archive.transformativeworks.org for story URLs. You may use any of:
'archiveofourown.org',
'archiveofourown.com',
'archiveofourown.net',
'archiveofourown.gay',
'download.archiveofourown.org',
'download.archiveofourown.com',
'download.archiveofourown.net',
'ao3.org',
In all cases, FFF records the 'canonical' story URL with archiveofourown.org.
archive.transformativeworks.org is, to my knowledge, a mirror site instead of an alias. While struggling with AO3's issues, I implemented use_archive_transformativeworks_org to internally rewrite archiveofourown.org to archive.transformativeworks.org because it was having fewer problems.
Unfortunately, archive.transformativeworks.org is misconfigured and doesn't allow login, even in browser.
We then learned archiveofourown.gay was also a mirror, but does allow login, so I implemented use_archiveofourown_gay
See:
https://github.com/JimmXinu/FanFicFa...s#mirror-sites
Short answer: Give FFF archiveofourown.org story URLs, set use_archiveofourown_gay:true if you're having problems.
Re:Collections: Nothing you do in personal.ini will make FFF record AO3 collection URLs. It would require code change.