[Exploratory] 92014 Agents - Error shows up when copilot edits custom instructions

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Version Number: 9.3.89-5
Reproducible in staging?: Yes
Reproducible in production?: Yes
If this was caught during regression testing, add the test name, ID and link from BrowserStack: #90823
Email or phone of affected tester (no customers): applausetester+sdjosinjdo1@applause.expensifail.com
Issue reported by: Applause Internal Team
Bug source: Exploratory - Significant User Experience Deterioration
Device used: Mac 26.5 / Chrome
App Component: User Settings

Action Performed:

Precondition:

• Log in with Expensifail account.
• User A adds User B as copilot.
• User A has created an agent on Account > Agents.
• Perform the steps below as User B.

1. Go to staging.new.expensify.com
2. Go to Account.
3. Open account switcher.
4. Select User A account.
5. Go to Account > Agents.
6. Click Edit button on the agent.
7. Click Write custom instructions.
8. Edit the custom instructions and save it.

Expected Result:

No error will show up.

Actual Result:

Error shows up when copilot edits custom instructions.

Workaround:

Unknown

Platforms:

• Android: App
• Android: mWeb Chrome
• iOS: App
• iOS: mWeb Safari
• iOS: mWeb Chrome
• Windows: Chrome
• MacOS: Chrome Safari

Screenshots/Videos

Bug7167969_1780246204512.1.mp4

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Applause Internal Information
Exported by: Julia Ponikarchuk
Bug ID: 7167969

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