Reports - Expense created while on "Reports", gets highlighted again when opened.

[borys3kk]

Explanation of Change

1. In useSearchHighlightAndScroll — replaced the timer-based reset of transactionIDsToHighlight (which lost a race with the newSearchResultKeys reset and never fired) with a synchronous Onyx merge inside the detect effect. Stops every prior expense from re-animating on each new add.
2. In Search/index.tsx — useFocusEffect now skips the skeleton-during-transition defer when the highlight hook already queued rows. Otherwise FlashList stays empty for ~1s while the RHP dismiss transition runs, the new row never mounts inside the 300ms highlight window, and the animation never fires for expenses created outside Search.

Fixed Issues

$ #81474
PROPOSAL:

Tests

1. Sign in with an account that has at least one workspace and existing expenses.
2. Navigate to the Spend tab (Search) so the Expenses list is visible.
3. Click the global Create button (FAB) → Create expense → Submit a manual expense and return to Spend.
4. Verify that the newly created expense row briefly flashes with the yellow highlight animation (exactly once).
5. Without leaving the Spend tab, click the FAB again → Create expense → Submit a second manual expense.
6. Verify that only the second expense flashes with the highlight animation. The first expense must not re-animate.
7. Repeat the FAB → Create expense → Submit flow a third time.
8. Verify that only the third expense flashes; neither the first nor the second re-animate.

1. While on the Spend tab with Expense selected, submit a new expense via the FAB and let the highlight finish animating.
2. Switch the Search type to Reports (or any other Search sub-tab), then back to Expenses.
3. Verify that no rows flash on return — the highlight state was cleaned up when the Search type changed.

• Verify that no errors appear in the JS console

Offline tests

1. Go offline (DevTools → Network → Offline, or disable Wi-Fi).
2. On the Spend tab, click the FAB → Create expense → Submit.
3. Verify that the expense appears optimistically in the list and the highlight animation plays for the new row.
4. Submit a second expense while still offline.
5. Verify that only the second expense's row flashes.
6. Go back online and verify the optimistic rows are reconciled with the server response and that no rows flash again on reconciliation.

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).
• I included screenshots or videos for tests on all platforms
• I ran the tests on all platforms & verified they passed on:
  • Android: Native
  • Android: mWeb Chrome
  • iOS: Native
  • iOS: mWeb Safari
  • MacOS: Chrome / Safari
• I verified there are no console errors (if there's a console error not related to the PR, report it or open an issue for it to be fixed)
• I followed proper code patterns (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)
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  • 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.
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    • If any non-english text was added/modified, I used JaimeGPT to get English > Spanish translation. I then posted it in #expensify-open-source and it was approved by an internal Expensify engineer. Link to Slack message:
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• I tested other components that can be impacted by my changes (i.e. if the PR modifies a shared library or component like Avatar, I verified the components using Avatar are working as expected)
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• 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)
• If the PR modifies a component related to any of the existing Storybook stories, I tested and verified all stories for that component are still working as expected.
• If the PR modifies a component or page that can be accessed by a direct deeplink, I verified that the code functions as expected when the deeplink is used - from a logged in and logged out account.
• 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.
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• If a new page is added, I verified it's using the ScrollView component to make it scrollable when more elements are added to the page.
• I added unit tests for any new feature or bug fix in this PR to help automatically prevent regressions in this user 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.

Screenshots/Videos

Android: Native

Android: mWeb Chrome

iOS: Native

iOS: mWeb Safari

MacOS: Chrome / Safari

Screen.Recording.2026-05-04.at.12.39.12.mov

[codecov]

Codecov Report

❌ Looks like you've decreased code coverage for some files. Please write tests to increase, or at least maintain, the existing level of code coverage. See our documentation here for how to interpret this table.

Files with missing lines	Coverage Δ
src/hooks/useSearchHighlightAndScroll.ts	82.30% <100.00%> (-0.79%)	⬇️
src/components/Search/index.tsx	0.91% <0.00%> (-0.01%)	⬇️
... and 199 files with indirect coverage changes