{
  "schemaVersion": 1,
  "artifactType": "original-task-practice-definition",
  "taskId": "connected-vessels-level-equalization",
  "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 connected-vessel prompt: open the visible path before levels change",
    "zh": "MiniMax H3 连通容器提示词：先看阀门打开，再看双液位变化"
  },
  "task": {
    "en": "Make two level changes belong to one visible connection. The shot should explain why liquid can transfer between fixed containers, including the initial closed valve rather than starting with unexplained equalization.",
    "zh": "让两处液位变化属于同一条可见连接。镜头需要解释液体为何能够转移，不能忽略初始关闭的阀门，让液面无缘无故均衡。"
  },
  "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": "Keep both reservoir walls and the connecting tube fixed. Identify the valve handle, each liquid surface and the enclosed tube path. Unequal initial levels are not an instruction to begin flow while the visible valve is still closed.",
    "zh": "两侧槽壁和低处管路固定，分别认准阀柄、两个液面及管内路径。初始有液位差，不等于关闭阀门时也应该开始流动。"
  },
  "acceptance": {
    "en": [
      "Both reservoir outlines and the low tube stay fixed and continuously connected.",
      "The visible valve opens before either level begins the requested equalization.",
      "The higher left level falls while the lower right level rises over the same interval, without liquid crossing the exterior gap.",
      "The ending levels are closer, with the valve open; no calibrated equality or volume result is prefilled."
    ],
    "zh": [
      "两槽外形和低处管路保持固定且连续相连。",
      "可见阀门打开后，液位才开始本次要求的趋近。",
      "左侧高液位下降的同一区间里右侧低液位上升，液体不跨外部空隙。",
      "结尾液位更接近、阀门仍开着，没有预填等高、体积或流速结果。"
    ]
  },
  "ending": {
    "en": "Both original reservoirs remain fixed, joined through the visibly open valve and tube, with their liquid levels closer than in the initial image.",
    "zh": "两个原槽仍在原位，通过可见开启的阀与连管相连，双液位比首帧更接近。"
  },
  "limits": {
    "en": "This untested visual method does not certify hydrostatics, calibrated volume, valve behavior, exact flow speed or model compliance. No generated result is included.",
    "zh": "这是未测试的视觉方法，不验证流体静力、量测体积、阀门性能、精确流速或模型遵循程度，包内没有生成结果。"
  },
  "distinctTaskBoundary": {
    "en": "The pour task transfers over an exposed rim from a moving jug. The connector task inserts a rigid part. Here a permanent low path in a fixed two-container system must be opened before paired internal level changes.",
    "zh": "倾倒题由运动壶嘴跨过开口传液，接口题插入刚性物；本题要先打开固定双容器系统中的低处常设路径，再看内部双液位配对变化。"
  },
  "nearestExistingTemplatePaths": [
    "/templates/glass-pour-liquid-level-check",
    "/templates/connector-align-insert-port",
    "/templates/shallow-water-ripple-fixed-rock"
  ],
  "demandClass": "dated-broad-parent-intent-and-product-operation-findability; exact-task-demand-unmeasured",
  "execution": {
    "modelRun": false,
    "outputAsset": null,
    "providerSuccessClaim": false
  }
}