Add SM welcome flow Step 2 Setup Profile route, controller, and blank view

Buck O'Learyrequested to merge
595896-setup-your-profile into master

What does this MR do and why?

Add SM welcome flow Step 2 route, controller, and blank view

Scaffold the ProfilesController under Admin::Registrations, gated by the existing :self_managed_welcome_onboarding FF and the EE SaaS guard, matching Step 1 conventions exactly. Includes CE/EE request specs and a view spec.

Relates to https://gitlab.com/gitlab-org/gitlab/-/issues/595896

Co-Authored-By: Claude Sonnet 4.6 noreply@anthropic.com

References

Screenshots or screen recordings

Before After

How to set up and validate locally

  1. Make sure that GitLab is not setup to simulate saas (export GITLAB_SIMULATE_SAAS=0)
  2. Feature.enable(:self_managed_welcome_onboarding)
  3. Navigate to /admin/registrations/profiles/new as admin → expect:

200 response Minimal layout (no top nav, no sidebar) Heading: "Set up your profile" Page title: "Set up your profile · GitLab"

MR acceptance checklist

Evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Related to #595896

Edited by Buck O'Leary

Merge request reports