Get icp tuning sample

Start the ICP Prompt Builder QA loop for a campaign brief. Returns a representative sample of agent-pipeline table rows plus the current icpRubric so an operator or coding agent can mark fit, unfit, or skip before scaling the list. Read-only.

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get-icp-tuning-sample",
    "arguments": {
      "briefId": "00000000-0000-4000-8000-000000000000"
    }
  }
}