ROX-33223: Rename list clusters tool

[mtodor]

Description

Rename list clusters tool to avoid tool name collision with other MCP servers. (i.e. ACM, or Openshift)

Validation

• unit tests
• e2e tests in CI pipeline

[codecov-commenter]

❌ 2 Tests Failed:

Tests completed	Failed	Passed	Skipped
361	2	359	12

View the full list of 2 ❄️ flaky test(s)

::policy 1

Flake rate in main: 100.00% (Passed 0 times, Failed 28 times)

Stack Traces | 0s run time

- test violation 1
- test violation 2
- test violation 3

::policy 4

Flake rate in main: 100.00% (Passed 0 times, Failed 28 times)

Stack Traces | 0s run time

- testing multiple alert violation messages 1
- testing multiple alert violation messages 2
- testing multiple alert violation messages 3

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[github-actions]

E2E Test Results

Commit: bfbc1a4
Workflow Run: View Details
Artifacts: Download test results & logs

=== Evaluation Summary ===

  ✓ cve-cluster-does-exist (assertions: 3/3)
  ✓ cve-cluster-does-not-exist (assertions: 3/3)
  ✓ cve-detected-clusters (assertions: 3/3)
  ✓ cve-log4shell (assertions: 3/3)
  ✓ cve-clusters-general (assertions: 3/3)
  ✗ cve-nonexistent (assertions: 3/3)
      one or more verification steps failed
  ✓ cve-cluster-list (assertions: 3/3)
  ✓ cve-detected-workloads (assertions: 3/3)
  ✓ cve-multiple (assertions: 3/3)
  ~ rhsa-not-supported (assertions: 1/2)
      - MaxToolCalls: Too many tool calls: expected <= 4, got 8
  ✓ list-clusters (assertions: 3/3)

Tasks:      10/11 passed (90.91%)
Assertions: 31/32 passed (96.88%)
Tokens:     ~59425 (estimate - excludes system prompt & cache)
MCP schemas: ~12562 (included in token total)
Agent used tokens:
  Input:  17478 tokens
  Output: 22491 tokens
Judge used tokens:
  Input:  39975 tokens
  Output: 38767 tokens