fix(chat): adding new events for list mcp server and click mcp events.

[ashishrp-aws]

Problem

We need to catch MCP server menu events on VSCode.

Solution

• Updated runtimes for new VSCode requests for mcp servers.
• Added switch cases for mcp events.

---

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[github-actions]

• This pull request modifies code in src/* but no tests were added/updated.
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[justinmk3]

what happened to package-lock

[ashishrp-aws]

package-lock is present right?