{
  "item_id": "U01",
  "revision": "0.2.3",
  "date": "2026-10-28",
  "figures": [
    "F12",
    "F25",
    "F29"
  ],
  "source_label": "备份和恢复",
  "label_zh_tw": "備份和恢復",
  "label_en": "Backup and restore",
  "source_video": "配方.mp4",
  "source_video_sha256": "d8854eca2944186936106306cfd5dd5d63f04de86a02974d794a2f61e6266e60",
  "source_frames": [
    {
      "id": "F12",
      "time_seconds": 88.0,
      "frame": "01_source_frames/F12_recipe_list.png",
      "sha256": "90eecfe1a2ddd6a99008bc002cd82c0d7a04616234e6703952fa3998888e8ae6"
    },
    {
      "id": "S12",
      "time_seconds": 92.0,
      "frame": "01_source_frames/supporting/S12_recipe_list_label_92000.png",
      "sha256": "9ab3b78d39bcef426e9e19af47d63a1cf058f91b7081179e24e7edde7f951267"
    },
    {
      "id": "F25",
      "time_seconds": 97.5,
      "frame": "01_source_frames/F25_recipe_list_selected_2.png",
      "sha256": "4615ba79deeb34977a6cec18e20df9be88428b32cd6a2ae38382cf7c92f4d298"
    },
    {
      "id": "F29",
      "time_seconds": 98.4,
      "frame": "01_source_frames/F29_recipe_load_context.png",
      "sha256": "8bf2436f231208c5ffa8b15962c6a5270c4a26889c491183bc1f28cb6836d0ab"
    }
  ],
  "method": "Repeated visual transcription at list opening, pre-load recipe-2 selection and post-load success state. Crops are nearest-neighbour enlargements; one green-channel linear-contrast view is supplied. No generative image is used as evidence.",
  "confidence": "Strong cross-frame visual support for the five-character label; not a native HMI project export.",
  "functional_scope": "The label is visible. The backup/restore workflow is not opened or demonstrated in these frames.",
  "glyphs": [
    "备",
    "份",
    "和",
    "恢",
    "复"
  ]
}