'Agent Space' Dashboard MVP

[ibuziuk]

Is your task related to a problem? Please describe

Part of the #23949

This subtask is about providing a Minimum Viable Product as part of the overall 'Agent Space' Dashboard epic.

Describe the solution you'd like

List of requirements:

• Navigation - show 'Agent Space' switch on dashboard based on the dedicated CR property - agentSanbox.enabled
  see - feat: add agent runtimes (Sandbox) support che-operator#2184

• Create (Getting Started) - for MVP we can just display a few Getting Started samples from https://github.com/kubernetes-sigs/agent-sandbox/tree/main/examples

• **Create (Wizard) - Form/wizard to create a new AgentSandbox CR based parameters is (name, runtime class, resource limits)

• List — Display all AgentSandbox instances in the user's namespace with their current status (Running, Hibernated, Blocked, Stopped)

• Read/Details — Detail view showing AgentSandbox spec, status conditions, and events

• Delete — Delete an AgentSandbox with a confirmation dialog

• Lifecycle actions — Start, Stop, Hibernate, Resume actions on an AgentSandbox instance

• Status polling — Auto-refresh status for running/transitioning sandboxes

• Error handling display conditions and failure reasons in the UI

Describe alternatives you've considered

N/A

Additional context

See https://agent-sandbox.sigs.k8s.io/