[White Label -Card containerstyle]: When focus lands on the bot response, Narrator announces unnecessary information such as “attachment card".

Is it an issue related to Adaptive Cards?

No response

What is the PWD impact?

Screen reader users receive misleading and unnecessary information, which may cause confusion about whether the bot response contains an attachment. This increases cognitive load and reduces trust in the screen reader’s interpretation of the UI.

What browsers and screen readers do this issue affect?

Windows: Edge with Windows Narrator

Are there any code-based customization done to Web Chat?

No, I am using Web Chat without any customizations except "styleOptions".

What version of Web Chat are you using?

Latest production

Which area does this issue affect?

Others or unrelated

What is the public URL for the website?

No response

How to reproduce the issue?

Pre-Requisite:
Turn on Narrator

Repro Steps

1. Open URL: https://compulim.github.io/webchat-loader/ and sign in using valid credentials.
2. Navigate to web chat page and select 4.18.1-main.20240927.ea7a875 (30/9/2024) version and then select mockBot link under present label and then select open web chat in new window link at bottom.
   3.Navigate to white label experience chat page and type Card Containerstyles word in type your message text box.
3. Response will appear.
4. Navigate to the Bot response.
5. Observe an issue that When focus lands on the bot response, Narrator announces unnecessary information such as “attachment card".

What do you expect?

The element should expose only meaningful UI Automation information. The bot response control should not expose “attachment card” or any unrelated structural role.

What actually happened?

When focus lands on the bot response, Narrator announces unnecessary information such as “attachment card".

Do you have any screenshots or recordings to repro the issue?

https://github.com/user-attachments/assets/064b358a-2a14-4eae-aa47-ec2b2bb02970

Did you find any DOM elements that might have caused the issue?

No response

MAS reference

No response

WCAG reference

https://www.w3.org/WAI/WCAG21/Understanding/info-and-relationships

WAI-ARIA reference

No response

Adaptive Card JSON

Additional context

No response

Start by reproducing the issue at the linked Web Chat loader using version 4.18.1-main.20240927.ea7a875, Windows Edge, and Narrator, then inspect the bot response element's accessibility information. Done means Narrator no longer announces “attachment card” or unrelated structural information when focus lands on the response.