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  "internally_reviewed": false,
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      "assumptions",
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      "sources",
      "tests"
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    "Not generic multi-load max",
    "Not overhang; cantilever triangular deferred in v1",
    "Human SEO Entries remain leaf discovery URLs until L1 hard-close"
  ],
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    "L ≤ 0, E ≤ 0, or I ≤ 0 → VALUE_MUST_BE_POSITIVE"
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      "title": "Hibbeler, Mechanics of Materials",
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    },
    {
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      "section": "Deflection of beams — simply supported beam with a concentrated load at midspan",
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        "x": 1,
        "delta": 80,
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    },
    {
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      "kind": "golden",
      "inputs": {
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      "actual": {
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        "normalized_loads": [
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        "L": 2,
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