[Due for payment 2025-11-26] [SAML Configuration][Release 2] Add Domain Settings Page and verification flow

[NikkiWines]

Part of the Bring SAML Configuration to NewDot project

Main issue: #69195
Doc section: Release 2
Project: [#whatsnext] #migrate

🚨 Note: This is dependent on the following changes: #72599

Feature Description

We're adding a Domain Settings page! For now this only contains the SAML tab, but we'll be adding to it soon enough.

When the user clicks on "Verify Domain" this will open up a LHN that allows the user to proceed through a domain validation flow where the user can copy a validation code for their domain to verify access.

Manual Test Steps

Pre-testing steps: Log in to an Expensify account that has claimed but not validated a domain

• Navigate to the “Workspaces” page
  • Verify: You see an “unverified” badge next to your domain
• Click on the row containing your verified domain
  • Verify: You’re taken to a new page with domain details
  • Verify: You see a SAML tab
• Click into the SAML tab if it is not already selected
  • Verify: You see an empty state page with a button to verify your domain
• Click on “Verify Domain”
  • Verify: It opens up the “Verify your domain” RHP, and a verification code is displayed
    Validate your domain following the To Verify a Domain help site instructions and click “Verify domain”
  • Verify: You’re routed to the confirmation RHP page
  • Verify: The SAML page updates to a
• Navigate back to the Workspaces page
  • Verify: The badge next to the domain updates to “verified”

Offline Test:

• Go offline
• Navigate to the “Workspaces” page
• Click on the domain row for your unverified domain
• Open the SAML tab if it’s not already open
• Select the “Verify Domain” option
  • Verify: The “Verify Domain” RHP opens up
  • Verify: There is a spinner in place of the validateCode
  • Verify: The “Verify Domain” button is inactionable, and an indicator is displayed saying you’re offline

Automated Tests

Issue Owner

Current Issue Owner: @mhawryluk

[melvin-bot]

Triggered auto assignment to @abekkala (NewFeature), see https://stackoverflowteams.com/c/expensify/questions/14418#:~:text=BugZero%20process%20steps%20for%20feature%20requests for more details. Please add this Feature request to a GH project, as outlined in the SO. Remember to draft any necessary HelpDot updates by following the instructions here.

[melvin-bot]

⚠️ It looks like this issue is labelled as a New Feature but not tied to any GitHub Project. Keep in mind that all new features should be tied to GitHub Projects in order to properly track external CAP software time ⚠️

[melvin-bot]

Triggered auto assignment to Design team member for new feature review - @dubielzyk-expensify (NewFeature)