fix: Enable session affinity to handle load accross multiple replicas

[chaudhariniraj]

Purpose

Fix intermittent MCP session failures in WAF deployments by enabling sticky session affinity for the MCP Container App. This ensures requests belonging to the same MCP session are consistently routed to the same replica, preventing agent initialization failures during team switching in scaled deployments.

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