<!--- Please read this! Before opening a new issue, make sure to search for keywords in the issues filtered by the "regression" or "type::bug" label: - https://gitlab.com/gitlab-org/gitlab/issues?label_name%5B%5D=regression - https://gitlab.com/gitlab-org/gitlab/issues?label_name%5B%5D=type::bug and verify the issue you're about to submit isn't a duplicate. ---> ### Summary The @duo-developer-gitlab-org service account is not showing up in @-mention autocomplete dropdowns in AI gateway for most people although it is configured to be triggered by @-mention. Manually completely typing out the account will make the mention work correctly. This also does not affect everybody. The autocomplete dropdown works correctly for e.g. `@thomas-schmidt` and `@mlapierre`. It also seems to work locally. <!-- Summarize the bug encountered concisely. --> ### Steps to reproduce 1. Go to an MR or issue in AI gateway repo, like https://gitlab.com/gitlab-org/modelops/applied-ml/code-suggestions/ai-assist/-/merge_requests/4926 2. Try to @-mention @duo-developer-gitlab-org 3. Observe that it does not show up in the auto-complete dropdown, although it is configured. 4. Observe that the service is correctly showing up in Assignee dropdowns when filtering for duo-.. <!-- Describe how one can reproduce the issue - this is very important. Please use an ordered list. --> ### What is the current *bug* behavior? Service Account not showing up in Mention autocomplete <!-- Describe what actually happens. --> ### What is the expected *correct* behavior? Service Account correctly being shown in autocomplete when typing out the name. <!-- Describe what you should see instead. --> <!-- If you don't have /label privileges, follow up with an issue comment of `@gitlab-bot label ~"type::bug"` -->