fix: Intermittent UI freeze and infinite reasoning

[Ayaz-Microsoft]

Purpose

This PR fixes intermittent issues which freeze UI until user clicks and Infinite AI thinking process even after getting final response from API.

Does this introduce a breaking change?

• Yes
• No

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information