Expense - System message changes from "changed the attendees to.." to "set the attendees to.."

[lorretheboy]

Explanation of Change

Fixed Issues

$ #75653
PROPOSAL: #75653 (comment)

Tests

Precondition:

• Attendee tracking is enabled in workspace settings > Rules.
• Account has working self DM.

1. Go to staging.new.expensify.com
2. Go to self DM.
3. Click + > Create expense > Manual.
4. Enter amount > Next,
5. On confirm page, click Attendee.
6. Add another attendee and save it.
7. Click Create expense.
8. Open the expense thread.
9. Click Attendee field.
10. Add another attendee then turn off internet --> then save it.
11. Verify that System message should be "set the attendees to Y".

• Verify that no errors appear in the JS console

Offline tests

QA Steps

Same as Tests

• Verify that no errors appear in the JS console

PR Author Checklist

• I linked the correct issue in the ### Fixed Issues section above
• I wrote clear testing steps that cover the changes made in this PR
  • I added steps for local testing in the Tests section
  • I added steps for the expected offline behavior in the Offline steps section
  • I added steps for Staging and/or Production testing in the QA steps section
  • I added steps to cover failure scenarios (i.e. verify an input displays the correct error message if the entered data is not correct)
  • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
  • I tested this PR with a High Traffic account against the staging or production API to ensure there are no regressions (e.g. long loading states that impact usability).
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Screenshots/Videos

Android: Native

e-android.mov

Android: mWeb Chrome

website.android.mov

iOS: Native

e-ios.mov

iOS: mWeb Safari

website.ios.mov

MacOS: Chrome / Safari

website.mov

[codecov]

Codecov Report

✅ Changes either increased or maintained existing code coverage, great job!

Files with missing lines	Coverage Δ
src/libs/ModifiedExpenseMessage.ts	91.48% <100.00%> (+0.85%)	⬆️
src/libs/ReportUtils.ts	87.25% <100.00%> (+0.04%)	⬆️
... and 8 files with indirect coverage changes

[melvin-bot]

@Krishna2323 Please copy/paste the Reviewer Checklist from here into a new comment on this PR and complete it. If you have the K2 extension, you can simply click: [this button]

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[Krishna2323]

make sure we add a unit test in the FE for the attendees order issue.

@lorretheboy

[Krishna2323]

@lorretheboy please add [Hold] to the title. We need to wait for the BE changes.

[lorretheboy]

@Krishna2323 I think we can continue review this PR now as it is hold for pretty long time and also BE changes doesn't related to it...

[Krishna2323]

@youssef-lr We still need to fix this, and changed seems like the correct word since it was changed from the default.

Either way, this needs a fix—even if we decide to use set, the system message briefly shows “changed…” (optimistically) and then updates to “set…”. See: #75653 (comment)

@lorretheboy we might need more changes on the FE.

[lorretheboy]

@Krishna2323 I have updated to use set

Screen.Recording.2026-06-08.at.06.23.32.mov

[lorretheboy]

@Krishna2323 What do you think about new update?

[heyjennahay]

LGTM

[lorretheboy]

@Krishna2323 Friendly bump for your thoughts

[Krishna2323]

@lorretheboy, I think we still need confirmation on this comment. We can't merge without addressing it.

@youssef-lr, could you please take a look? The issue and PR have been open for months now. 🙏🏻

[Krishna2323]

@lorretheboy is this ready for review?

[lorretheboy]

It is ready @Krishna2323

[Krishna2323]

Reviewer Checklist

• I have verified the author checklist is complete (all boxes are checked off).
• I verified the correct issue is linked in the ### Fixed Issues section above
• I verified testing steps are clear and they cover the changes made in this PR
  • I verified the steps for local testing are in the Tests section
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  • I verified the steps cover any possible failure scenarios (i.e. verify an input displays the correct error message if the entered data is not correct)
  • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
• I checked that screenshots or videos are included for tests on all platforms
• I included screenshots or videos for tests on all platforms
• I verified that the composer does not automatically focus or open the keyboard on mobile unless explicitly intended. This includes checking that returning the app from the background does not unexpectedly open the keyboard.
• I verified tests pass on all platforms & I tested again on:
  • Android: HybridApp
  • Android: mWeb Chrome
  • iOS: HybridApp
  • iOS: mWeb Safari
  • MacOS: Chrome / Safari
• If there are any errors in the console that are unrelated to this PR, I either fixed them (preferred) or linked to where I reported them in Slack
• I verified proper code patterns were followed (see Reviewing the code)
  • I verified that any callback methods that were added or modified are named for what the method does and never what callback they handle (i.e. toggleReport and not onIconClick).
  • I verified that comments were added to code that is not self explanatory
  • I verified that any new or modified comments were clear, correct English, and explained "why" the code was doing something instead of only explaining "what" the code was doing.
  • I verified any copy / text that was added to the app is grammatically correct in English. It adheres to proper capitalization guidelines (note: only the first word of header/labels should be capitalized), and is either coming verbatim from figma or has been approved by marketing (in order to get marketing approval, ask the Bug Zero team member to add the Waiting for copy label to the issue)
• If a new code pattern is added I verified it was agreed to be used by multiple Expensify engineers
• I verified that this PR follows the guidelines as stated in the Review Guidelines
• I verified other components that can be impacted by these changes have been tested, and I retested again (i.e. if the PR modifies a shared library or component like Avatar, I verified the components using Avatar have been tested & I retested again)
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  • The style can't be created with an existing StyleUtils function (i.e. StyleUtils.getBackgroundAndBorderStyle(theme.componentBG)
• If the PR modifies code that runs when editing or sending messages, I tested and verified there is no unexpected behavior for all supported markdown - URLs, single line code, code blocks, quotes, headings, bold, strikethrough, and italic.
• If the PR modifies a generic component, I tested and verified that those changes do not break usages of that component in the rest of the App (i.e. if a shared library or component like Avatar is modified, I verified that Avatar is working as expected in all cases)
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• If the PR modifies the UI (e.g. new buttons, new UI components, changing the padding/spacing/sizing, moving components, etc) or modifies the form input styles:
  • I verified that all the inputs inside a form are aligned with each other.
  • I added Design label and/or tagged @Expensify/design so the design team can review the changes.
• For any bug fix or new feature in this PR, I verified that sufficient unit tests are included to prevent regressions in this flow.
• If the main branch was merged into this PR after a review, I tested again and verified the outcome was still expected according to the Test steps.
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Screenshots/Videos

Android: HybridApp

android_hybrid.mp4

Android: mWeb Chrome

android_mWeb.mp4

iOS: HybridApp

ios_hybrid.mp4

iOS: mWeb Safari

ios_mWeb.mp4

MacOS: Chrome / Safari

web_chrome.mp4

[Krishna2323]

@lorretheboy left one comment. Ping me once thats resolved.

[lorretheboy]

@Krishna2323 I agree with your suggestion, I tested that approach, it works well

[Krishna2323]

LGTM!

[Krishna2323]

@lorretheboy please merge main.

@youssef-lr could you please check this when you get a chance? Thanks!