### 1 · SendMessage: return immediately
POST /a2a/jsonrpc HTTP/1.1
Host: localhost:41241
Content-Type: application/json
A2A-Version: 1.0

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "SendMessage",
  "params": {
    "message": {
      "messageId": "b8a1abcd-1a69-46c7-8da4-f9fc3c6da5d7",
      "role": "ROLE_USER",
      "parts": [
        {
          "text": "Run the unit tests for payments-api at commit 9f3c2e1"
        }
      ]
    },
    "configuration": {
      "returnImmediately": true
    }
  }
}

HTTP/1.1 200 OK
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "task": {
      "id": "d0c28826-28b8-4b15-8b53-4e01ae7a5a3c",
      "contextId": "3afa8576-7a83-4167-bb58-01c3b0942c8f",
      "status": {
        "state": "TASK_STATE_SUBMITTED",
        "timestamp": "2026-10-06T09:00:01.000Z"
      },
      "history": [
        {
          "messageId": "b8a1abcd-1a69-46c7-8da4-f9fc3c6da5d7",
          "contextId": "3afa8576-7a83-4167-bb58-01c3b0942c8f",
          "taskId": "d0c28826-28b8-4b15-8b53-4e01ae7a5a3c",
          "role": "ROLE_USER",
          "parts": [
            {
              "text": "Run the unit tests for payments-api at commit 9f3c2e1"
            }
          ]
        }
      ]
    }
  }
}

### 2 · GetTask: still working
POST /a2a/jsonrpc HTTP/1.1
Host: localhost:41241
Content-Type: application/json
A2A-Version: 1.0

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "GetTask",
  "params": {
    "id": "d0c28826-28b8-4b15-8b53-4e01ae7a5a3c",
    "historyLength": 0
  }
}

HTTP/1.1 200 OK
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 2,
  "result": {
    "id": "d0c28826-28b8-4b15-8b53-4e01ae7a5a3c",
    "contextId": "3afa8576-7a83-4167-bb58-01c3b0942c8f",
    "status": {
      "state": "TASK_STATE_WORKING",
      "message": {
        "messageId": "fb999be8-dce9-416b-b397-d74b090f121a",
        "contextId": "3afa8576-7a83-4167-bb58-01c3b0942c8f",
        "taskId": "d0c28826-28b8-4b15-8b53-4e01ae7a5a3c",
        "role": "ROLE_AGENT",
        "parts": [
          {
            "text": "Checking out 9f3c2e1 and starting the suite"
          }
        ]
      },
      "timestamp": "2026-10-06T09:00:01.250Z"
    },
    "artifacts": [
      {
        "artifactId": "test-log",
        "name": "test-log.txt",
        "parts": [
          {
            "text": "collected 12 items\n"
          }
        ]
      }
    ]
  }
}

### 3 · GetTask: completed
POST /a2a/jsonrpc HTTP/1.1
Host: localhost:41241
Content-Type: application/json
A2A-Version: 1.0

{
  "jsonrpc": "2.0",
  "id": 3,
  "method": "GetTask",
  "params": {
    "id": "d0c28826-28b8-4b15-8b53-4e01ae7a5a3c",
    "historyLength": 0
  }
}

HTTP/1.1 200 OK
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 3,
  "result": {
    "id": "d0c28826-28b8-4b15-8b53-4e01ae7a5a3c",
    "contextId": "3afa8576-7a83-4167-bb58-01c3b0942c8f",
    "status": {
      "state": "TASK_STATE_COMPLETED",
      "message": {
        "messageId": "cea54ab9-aab6-406a-9398-a67a67c85207",
        "contextId": "3afa8576-7a83-4167-bb58-01c3b0942c8f",
        "taskId": "d0c28826-28b8-4b15-8b53-4e01ae7a5a3c",
        "role": "ROLE_AGENT",
        "parts": [
          {
            "text": "1 failed, 11 passed"
          }
        ]
      },
      "timestamp": "2026-10-06T09:00:01.500Z"
    },
    "artifacts": [
      {
        "artifactId": "test-log",
        "name": "test-log.txt",
        "parts": [
          {
            "text": "collected 12 items\n"
          },
          {
            "text": "tests/test_charges.py ........  [ 66%]\n"
          },
          {
            "text": "tests/test_refunds.py ..F.  [100%]\n"
          },
          {
            "text": "FAILED tests/test_refunds.py::test_partial_refund - AssertionError: 450 != 500\n"
          },
          {
            "text": "1 failed, 11 passed in 4.21s\n"
          }
        ]
      },
      {
        "artifactId": "summary",
        "name": "summary.json",
        "parts": [
          {
            "data": {
              "passed": 11,
              "failed": 1,
              "failures": [
                {
                  "test": "tests/test_refunds.py::test_partial_refund",
                  "error": "AssertionError: 450 != 500"
                }
              ]
            },
            "mediaType": "application/json"
          }
        ]
      }
    ]
  }
}