12 months sounds good to me.

BTW, the whole thing runs on a big PostgreSQL database, since it uses my PageCamel framework i also use to make other personal and commercial projects (created the whole thing from scratch since 2008; concepts and pre-projects go back to 2003 or so). There's no need to "create extra modules", this is something a little bit of re-used database magic and recycling of existing framework code can easily accomplish 😁. If, against all odds, the pagecamel framework doesn't have it, i can usually fish out something from the vast library(*) of my past and present projects.

$ du -hs src/private_mercurial
31G    src/private_mercurial
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