Description of the issue

Let me try to clarify a little bit: @Perhelion offers to create a group of users "sleep-modus" which acts like a crypt/morgue and will contain inactive users. An implementation detail not given is if this group should be created on project level or implemented automatically by MediaWiki but I presume the second is more wanted, to automate the process to fill this group with users inactive for more than 2 years.

The goal of this group would be to allow tools reporting users count information, like a counter of how many users watch a specific page to exclude sleep-modus users.

Furthermore, it's suggested to add an automated message on the concerned user page.

To evaluate such changes idea

Such change should be discussed in concerned communities (for example village pumps) and globally on meta:Forum.

Is this essentially a duplicate of T51506: Implement "actual watchers" count into MediaWiki's info action, or do you have other examples in mind?

In T93345#1135160, @Dereckson wrote:

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To evaluate such changes idea
Such change should be discussed in concerned communities...

Thank you for clarify. I've done this here meta:Forum #.... and in de:here.

In T93345#1135280, @Nemo_bis wrote:

Is this essentially a duplicate of T51506: Implement "actual watchers" count into MediaWiki's info action, or do you have other examples in mind?

Oh yes, this feature is more generally meant, but this was the main mind of this very similar task.

For example, if there is a user sleep-modus (/status) there is no additional DB scan from any 3rd party tools needed (for all the performance for whatever).