{
  "evaluation_id": "human-standards-heldout-development-comparison-002",
  "date": "2026-08-15",
  "browser": "Codex in-app browser",
  "viewports": {
    "wide": { "width": 1440, "height": 1000 },
    "narrow": { "width": 390, "height": 844, "measured_document_width": 375 }
  },
  "conditions": {
    "A": {
      "validation_error_fields": 6,
      "validation_focus": "#error-summary",
      "load_failure_focus": "#window-load-error",
      "radio_card_dimensions_stable": true,
      "review_complete": true,
      "edit_state_preserved": true,
      "confirmation_focus": "#page-heading",
      "reference": "WB-260822-0417",
      "reference_persisted_after_refresh": true,
      "narrow_horizontal_overflow": false
    },
    "B": {
      "validation_error_fields": 6,
      "validation_focus": "#details-error-summary",
      "load_failure_focus": "#retry-windows",
      "radio_card_dimensions_stable": true,
      "review_complete": true,
      "edit_state_preserved": true,
      "confirmation_focus": "#confirmation-title",
      "reference": "WBC-HW-260818-1047",
      "reference_persisted_after_refresh": true,
      "narrow_horizontal_overflow": false
    },
    "C": {
      "validation_error_fields": 6,
      "validation_focus": "#error-summary",
      "load_failure_transition_focus": "#step-heading",
      "radio_card_dimensions_stable": true,
      "review_complete": true,
      "edit_state_preserved": true,
      "confirmation_focus": "#confirmation-status",
      "reference": "WBC-HW-4827",
      "reference_persisted_after_refresh": true,
      "narrow_horizontal_overflow": false,
      "pointer_free_keyboard_completion": "pass in Chrome at wide and narrow viewports; see keyboard-results.json"
    },
    "D": {
      "validation_error_fields": 6,
      "validation_focus": "#details-error-summary",
      "load_failure_focus": "#window-load-error",
      "radio_card_dimensions_stable": true,
      "review_complete": true,
      "edit_state_preserved": true,
      "confirmation_focus": "#confirmation-status",
      "reference": "WB-HA-0822",
      "reference_persisted_after_refresh": true,
      "reset_dialog_count": 1,
      "reset_dialog_initial_focus": "#cancel-new-booking",
      "reset_dialog_cancel_return_focus": "#start-new-booking",
      "narrow_horizontal_overflow": false
    }
  },
  "common_missing_evidence": {
    "pointer_free_keyboard_completion": "missing for A, B, and D; C was subsequently exercised successfully through Chrome at both viewports",
    "screen_reader": "not exercised",
    "cross_browser": "not exercised",
    "independent_human_review": "not performed"
  },
  "capture_note": "The original in-app-browser full-page narrow captures for A, B, and C collapsed during capture. Fresh viewport captures and bounding-box measurements showed healthy 375 px documents with no overflow. The recheck captures are authoritative. Chrome keyboard screenshots 08 through 19 are authoritative for C's keyboard exercise."
}