[FEATURE] AI Terminal for every cluster in AKS Desktop

## Feature Summary

AI terminal in UI of every cluster in AKS desktop so that users can query the health and state of their cluster/app in natural language using it.

## Motivation

There is no ability right now to query an AKS cluster in natural language in AKS desktop to quickly diagnose, understand, and resolve complex issues without needing deep Kubernetes expertise or memorizing command syntax

## Detailed Description

Integrate Agentic cli for AKS which is now in public preview into AKS desktop UI per cluster.

Link - https://learn.microsoft.com/en-us/azure/aks/cli-agent-for-aks-overview

Its an AI-powered troubleshooting and insights tool that brings advanced diagnostics directly to your terminal. This feature is designed to help AKS administrators or developers quickly diagnose, understand, and resolve complex issues without needing deep Kubernetes expertise or memorizing command syntax.

## Alternatives Considered

## Use Cases

## Implementation Ideas

## Additional Context

## Acceptance Criteria

## Checklist

No source files, tests, or entry points are named. Start by reviewing the AKS Desktop UI structure and the linked Agentic CLI for AKS documentation, then define how the feature is exposed for each cluster. Done means users can open an AI terminal per cluster and query cluster or application health and state in natural language.

Written by the indexing model from the issue text.