MG-141: Add tool for cluster state summary

[swghosh]

Adapted from https://github.com/openshift/oc/blob/0c09391d89b24f45dc606eee749e67d9b52c9f70/pkg/cli/admin/mustgather/summary.go#L17-L52

oc CLI provides a human readable summary of cluster state when running a must-gather, it is reasonable to include the same as an MCP tool.

[openshift-ci-robot]

@swghosh: This pull request references MG-141 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.22.0" version, but no target version was set.

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In response to this:

Adapted from https://github.com/openshift/oc/blob/0c09391d89b24f45dc606eee749e67d9b52c9f70/pkg/cli/admin/mustgather/summary.go#L17-L52

oc CLI provides a human readable summary of cluster state when running a must-gather, it is reasonable to include the same as an MCP tool.

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[openshift-ci]

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: swghosh
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[openshift-ci]

@swghosh: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/test	b23138a	link	true	/test test
ci/prow/lint	b23138a	link	true	/test lint

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