{
  "head": "3bd2412b0c3910e38df27c9f84ff992acd89d129",
  "base": "ab6be13d438abeace7617e8d789d59cf2e880f42",
  "environment": "Headless Linux, Chromium headless shell1223, actual broker and ServerBrowser, isolated HTTP fixture",
  "fault": "CDP calls gated at service boundary; real screencast frames and physical DOM input events. Two runs against identical production head.",
  "before": "On base, pause hung until broker timeout (~16012ms); next evaluate returned PreviewAutomationNoAvailableHostError.",
  "cases": [
    {
      "phase": "pause",
      "elapsedMs": 15201,
      "timeout": "{\"_id\":\"Cause\",\"failures\":[{\"_tag\":\"Fail\",\"error\":{\"_tag\":\"PreviewAutomationTimeoutError\",\"operation\":\"snapshot\",\"environmentId\":\"timeout-live-environment\",\"threadId\":\"timeout-live-A\",\"providerSessionId\":\"live-a\",\"providerInstanceId\":\"codex\",\"clientId\":\"server-browser\",\"connectionId\":\"a27b38a6-cfb4-40a8-8ada-b077f505c60b\",\"requestId\":\"preview-2\",\"tabId\":\"tab_1_91ed0cf4-7280-446e-990a-252fe482b2dd\",\"timeoutMs\":15000,\"remoteTag\":\"PreviewAutomationTimeoutError\",\"remoteMessageLength\":84,\"cause\":{\"_tag\":\"PreviewAutomationTimeoutError\",\"message\":\"The browser did not finish pausing, capturing, and resuming its screencasts in time.\"}}}]}",
      "evaluated": "Page remains available",
      "originalTab": "tab_1_91ed0cf4-7280-446e-990a-252fe482b2dd",
      "otherTab": "tab_2_91ed0cf4-7280-446e-990a-252fe482b2dd",
      "otherRetained": true,
      "recovered": true,
      "lateRecovered": true
    },
    {
      "phase": "resume",
      "elapsedMs": 15131,
      "timeout": "{\"_id\":\"Cause\",\"failures\":[{\"_tag\":\"Fail\",\"error\":{\"_tag\":\"PreviewAutomationTimeoutError\",\"operation\":\"snapshot\",\"environmentId\":\"timeout-live-environment\",\"threadId\":\"timeout-live-A\",\"providerSessionId\":\"live-a\",\"providerInstanceId\":\"codex\",\"clientId\":\"server-browser\",\"connectionId\":\"a27b38a6-cfb4-40a8-8ada-b077f505c60b\",\"requestId\":\"preview-7\",\"tabId\":\"tab_1_91ed0cf4-7280-446e-990a-252fe482b2dd\",\"timeoutMs\":15000,\"remoteTag\":\"PreviewAutomationTimeoutError\",\"remoteMessageLength\":84,\"cause\":{\"_tag\":\"PreviewAutomationTimeoutError\",\"message\":\"The browser did not finish pausing, capturing, and resuming its screencasts in time.\"}}}]}",
      "evaluated": "Page remains available",
      "originalTab": "tab_1_91ed0cf4-7280-446e-990a-252fe482b2dd",
      "otherTab": "tab_2_91ed0cf4-7280-446e-990a-252fe482b2dd",
      "otherRetained": true,
      "recovered": true,
      "lateRecovered": true
    },
    {
      "phase": "wait",
      "observerTimedOut": true,
      "elapsedMs": 15146,
      "recovered": true,
      "evaluated": {
        "text": "Page remains available",
        "keyUps": 1,
        "mouseUps": 1
      },
      "otherRetained": true,
      "persistentDetachEntered": true,
      "completedBeforeStalledReply": true
    },
    {
      "phase": "recording",
      "elapsedMs": 15826,
      "timeout": true,
      "persistentDetachEntered": true,
      "savedBeforeStalledReply": true,
      "savedBytes": 19252,
      "replacementRecordingBytes": 56057,
      "clickAfterTimeout": true
    }
  ],
  "limits": [
    "Natural Chromium hang not reproduced",
    "Electron, macOS, Windows, iOS, Android and remote-client transports unverified"
  ]
}