{
  "schemaVersion": 1,
  "artifactType": "original-task-practice-definition",
  "taskId": "interlocked-chain-straighten",
  "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 chain prompt: change the bend without breaking link order",
    "zh": "MiniMax H3 链环提示词：改变弯曲程度，不断开链节次序"
  },
  "task": {
    "en": "Preserve a short articulated object while its neighboring parts change pose. A smoother long outline is not enough if the original rigid links fuse, disconnect or pass through one another.",
    "zh": "让短关节结构在变换姿态时保持邻接。外轮廓变顺了还不够；若刚性链节融合、脱开或穿过彼此，原任务就丢了。"
  },
  "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": "Identify four complete conceptual rings and three specific neighboring connections. A short gap drawn at a crossing indicates a hidden segment behind another link, not a broken ring; track which link continues on each side.",
    "zh": "识别四个概念上闭合的环和三处具体相邻关系。交叉处的小缺口表示被另一链节遮住，并非断环；沿缺口两侧追踪同一个环。"
  },
  "acceptance": {
    "en": [
      "The held left tab stays fixed, while the original right endpoint moves only a short distance away.",
      "Four original separate rigid links remain in the same order.",
      "All three original neighbor connections remain readable without fusion, an opened ring or solid pass-through.",
      "The ending is a slightly straighter still-connected chain, not a new cord or a completed tension demonstration."
    ],
    "zh": [
      "左端卡舌固定，右端只向外移动短距离。",
      "原来的四个独立刚环及其顺序保留。",
      "三处原邻接仍可辨认，没有融合、开环或实体互穿。",
      "结尾略直但仍相连，不变成新绳，也不把它当拉力演示。"
    ]
  },
  "ending": {
    "en": "The same four-link chain stops with less bend, still attached at its held left end and still interlocked through the original three neighbor relationships.",
    "zh": "原四链环弯曲减小后停住，左端仍固定，三处原有相邻关系仍然套接。"
  },
  "limits": {
    "en": "The design and method have no H3 run. They do not measure tension, test metal strength, demonstrate lifting safety or establish exact three-dimensional contact.",
    "zh": "设计与方法均没有 H3 运行结果，不测拉力或金属强度，不演示吊装安全，也不证明精确三维接触。"
  },
  "distinctTaskBoundary": {
    "en": "The eyelet task feeds one flexible cord through a fixed opening; the pendant task sways one endpoint. This task changes pose among several rigid closed links while preserving their adjacency and over-under relationships.",
    "zh": "穿孔题让一根柔性绳经过固定开口，吊坠题摆动一个末端；这里在多个刚性闭环之间变换姿态，并保留邻接和上下遮挡。"
  },
  "nearestExistingTemplatePaths": [
    "/templates/cord-through-fixed-eyelet",
    "/templates/pendant-single-swing-fixed-chain",
    "/templates/drawstring-gather-opening"
  ],
  "demandClass": "dated-broad-parent-intent-and-product-operation-findability; exact-task-demand-unmeasured",
  "execution": {
    "modelRun": false,
    "outputAsset": null,
    "providerSuccessClaim": false
  }
}