{
  "schemaVersion": 1,
  "artifactType": "original-task-practice-definition",
  "taskId": "domino-contact-cascade",
  "family": "B",
  "evidenceClass": "method-not-independently-tested",
  "createdAt": "2026-10-21T18:04:34.540Z",
  "modelId": "MiniMax-H3",
  "mode": "image-to-video",
  "title": {
    "en": "MiniMax H3 domino prompt: make each contact explain the next fall",
    "zh": "MiniMax H3 多米诺提示词：让每次接触解释下一块为什么倒下"
  },
  "task": {
    "en": "Describe one short cascade in which four separate tiles fall in a readable cause-and-effect order. The useful result is a visible contact chain, not merely four objects moving at once.",
    "zh": "写清四个独立物件依次倒下的因果关系。目标不只是四块牌都动起来，而是观众能看到前一次接触怎样触发下一次变化。"
  },
  "input": {
    "file": "first-frame.png",
    "designSource": "first-frame.svg",
    "role": "first-frame",
    "kind": "synthetic-original-geometric-practice-input",
    "width": 1024,
    "height": 1024,
    "modelOutput": false
  },
  "interface": {
    "variant": "base",
    "addEndFrameEnabled": true,
    "firstFrame": "first-frame.png",
    "lastFrame": null,
    "fastCompatible": false,
    "automaticSubmission": false
  },
  "constraints": {
    "en": "Use the horizontal surface and the four original base positions as reference anchors. Before submitting, trace which upper edge could reach the next tile. A gap that exceeds the tile length cannot be repaired by asking for more realistic physics.",
    "zh": "先认准水平面与四块牌原来的底部位置，再沿倾斜牌的上缘判断能否碰到下一块。若间距本来就超过牌长，增加“真实物理”之类词语也不能修正输入条件。"
  },
  "acceptance": {
    "en": [
      "The fixed surface and original tile scale remain stable.",
      "Tile2, then tile3, then tile4 begin their main fall only after a visible neighboring contact.",
      "The same four tiles remain separate objects; no extra tile, fused pair or stretched connector appears.",
      "The ending shows a settled four-tile arrangement with no restart or unexplained jump."
    ],
    "zh": [
      "水平支撑面与原始牌的尺度保持稳定。",
      "第二、第三、第四块的主要倒下动作都发生在可见邻牌接触之后。",
      "始终是原来的四块独立牌，没有多出、合并或拉长的连接物。",
      "结尾呈现四块牌停稳的状态，没有自动复位或无因跳动。"
    ]
  },
  "ending": {
    "en": "One left-to-right contact cascade is complete. The four original tiles remain on the same surface and do not reset themselves.",
    "zh": "一次从左向右的接触链已经完成，原来的四块牌仍在同一支撑面上，不会自行复位。"
  },
  "limits": {
    "en": "This exercise checks visible cause and object continuity. It does not predict impact energy, friction, exact contact timing or physical safety; the method has not been independently tested on H3.",
    "zh": "这里只检查可见因果与物件连续性，不预测碰撞能量、摩擦、精确接触时刻或实际安全性；方法尚未在 H3 上独立测试。"
  },
  "distinctTaskBoundary": {
    "en": "The existing drop and placement tasks inspect one object meeting a support. The gear task keeps two parts continuously engaged. Here successive temporary contacts must cause separate later events across four bodies.",
    "zh": "已有落物与放置任务检查一个物件接触支撑面，齿轮任务保持持续啮合；这里要求数次短暂接触依次触发不同刚体的后续事件。"
  },
  "nearestExistingTemplatePaths": [
    "/templates/fruit-slice-one-drop-contact",
    "/templates/hand-place-object-on-table",
    "/templates/paired-gears-opposite-rotation"
  ],
  "demandClass": "dated-broad-parent-intent-and-product-operation-findability; exact-task-demand-unmeasured",
  "execution": {
    "modelRun": false,
    "outputAsset": null,
    "providerSuccessClaim": false
  }
}