PR head: 9b1b988c133b43447bf64f9e413057a0d788c403
Real dev server: web 5733, server 13773
provider.auth.removeMethod against nonexistent profile, idle:
{
  "_tag": "Exit",
  "requestId": "100",
  "exit": {
    "_tag": "Failure",
    "cause": [
      {
        "_tag": "Fail",
        "error": {
          "_tag": "ProviderSetupError",
          "instanceId": "codex_ad5e3f27-4701-4c3f-972a-56791038e101",
          "operation": "removeMethod",
          "detail": "Only incomplete ChatGPT connections can be removed."
        }
      }
    ]
  }
}
provider.auth.removeMethod while sign-in is active:
{
  "_tag": "Exit",
  "requestId": "100",
  "exit": {
    "_tag": "Failure",
    "cause": [
      {
        "_tag": "Fail",
        "error": {
          "_tag": "ProviderSetupError",
          "instanceId": "codex_ad5e3f27-4701-4c3f-972a-56791038e101",
          "operation": "removeMethod",
          "detail": "Finish or cancel the existing sign-in first."
        }
      }
    ]
  }
}
Cancel returns to idle; removal remains guarded:
{
  "_tag": "Exit",
  "requestId": "100",
  "exit": {
    "_tag": "Failure",
    "cause": [
      {
        "_tag": "Fail",
        "error": {
          "_tag": "ProviderSetupError",
          "instanceId": "codex_ad5e3f27-4701-4c3f-972a-56791038e101",
          "operation": "removeMethod",
          "detail": "Only incomplete ChatGPT connections can be removed."
        }
      }
    ]
  }
}