{
  "updated": "2026-10-16",
  "access": "public app previews; no workshop sign-in; no participant records",
  "tools": [
    {
      "id": "melodymorph",
      "en": "MelodyMorph",
      "zh": "旋律变形",
      "url": "https://ruthmann.github.io/rengongfu-sandbox/workbench/tools/melodymorph/",
      "version": "0.1.5 r2 · local landscape library",
      "description_en": "Save, reopen and duplicate named landscapes; export/import between devices.",
      "description_zh": "保存、打开和复制命名作品；通过导出和导入在设备间传递。",
      "build": "0.1.5-library-r2-20261015",
      "workshop_metadata": "Temporarily unavailable for this release; standalone playback/save/export remain available"
    },
    {
      "id": "loop_lab",
      "en": "Loop Lab",
      "zh": "循环实验室",
      "url": "https://ruthmann.github.io/rengongfu-sandbox/workbench/tools/loop-lab/",
      "version": "Free Play 4",
      "description_en": "Paint repeating layers; fit, expand, save and reopen.",
      "description_zh": "绘制循环声部；适配、展开、保存与重新打开。"
    },
    {
      "id": "song_studio",
      "en": "Song Studio",
      "zh": "歌曲工作室",
      "url": "https://www.musedlab.org/review/song-studio-20261014/",
      "version": "20261015 · English / 中文",
      "description_en": "Lyrics, timing and drawings around your audio.",
      "description_zh": "围绕音频编辑歌词、时间与绘画。"
    },
    {
      "id": "aqwertyon",
      "en": "aQWERTYon",
      "zh": "字母琴",
      "url": "https://nyumusedlab.github.io/aqwertyon-preview/",
      "version": "cb6b9be · language update",
      "description_en": "Play, explore harmony and keep a melody notebook.",
      "description_zh": "演奏、探索和声并记录旋律笔记。"
    },
    {
      "id": "performance_mirror",
      "en": "Performance Mirror",
      "zh": "听见·看见",
      "url": "https://ruthmann.github.io/rengongfu-sandbox/workbench/tools/singing-capture/",
      "version": "85b0ff95",
      "description_en": "Record, listen and comment on selected phrases.",
      "description_zh": "录音、回听并为所选乐句添加评论。"
    },
    {
      "id": "virtual_duet",
      "en": "Virtual Piano Duet",
      "zh": "虚拟钢琴二重奏",
      "url": "https://apps.musedlab.org/virtualduet/cmsd/v2/",
      "version": "V2",
      "description_en": "Play along with a piano performance.",
      "description_zh": "跟随钢琴演奏即兴合奏。"
    },
    {
      "id": "notebook",
      "en": "Singing Notebook",
      "zh": "歌唱笔记本",
      "url": "https://ruthmann.github.io/rengongfu-sandbox/workbench/tools/singing-capture/notebook.html",
      "version": "85b0ff95",
      "description_en": "Detailed notes, lyrics and take comparisons.",
      "description_zh": "详细音符、歌词与多次录音对比。"
    },
    {
      "id": "rhythm_experiment",
      "en": "Rhythm Experiment",
      "zh": "节奏实验",
      "url": "https://ruthmann.github.io/rengongfu-sandbox/workbench/tools/rhythm-experiment/",
      "version": "03-public-1 · experimental",
      "description_en": "Try local AI rhythm variations. First AI use downloads about 18 MB.",
      "description_zh": "尝试在设备上生成AI节奏变体。首次使用AI约下载18 MB。"
    }
  ],
  "local_replay": {
    "version": "researcher-replay-local-drafts-1",
    "url": "https://ruthmann.github.io/rengongfu-sandbox/workbench/teacher-pilot/replay/",
    "scope": "Local Mirror packages and pinned MelodyMorph proof; local notes/bookmarks/playhead recovery; deliberate local package reopen; synthetic demo; no cloud-data access"
  }
}