{
  "handle": "Build",
  "mechanism": "Performs the {{act}} of constructing a low-cost {{artifact}} (prototype) to verify critical assumptions in the {{spec}} before full commitment. Recursion into further prototyping is stopped by {{marginal_value_rule}}.",
  "gloss": "Low-cost prototype generation",
  "failure_modes": [
    "Over-engineering: Building the full product instead of a prototype.",
    "False Negative: {{prototype}} fails due to low fidelity, killing a good plan.",
    "Scope Creep: {{prototype}} expands beyond verification needs."
  ],
  "invariants": [
    "Costs at most `cost_fraction` of the full commitment it de-risks.",
    "The {{prototype}} addresses risks named in the {{plan}}."
  ],
  "preconditions": [
    "PlanBundle with high uncertainty/risk"
  ],
  "postconditions": [
    "ProtoPack artifact (Evidence of feasibility)"
  ],
  "_meta": {
    "tier": 1,
    "related": [
      "Simulation",
      "DogfoodFirst",
      "SacrificialProbe"
    ],
    "ring": 1,
    "supersedes": [
      "sema:Build#mh:SHA-256:00f3e2cc017af17d5de5a121ddd38017635736aa54c5ef23ee43c84abe5ddab6",
      "sema:Build#mh:SHA-256:24b99d995cd2d544f447f9f71a3e33cc19667b89ba33591e32c70d2ab2e0f9b0",
      "sema:Build#mh:SHA-256:779891ac7847940250f7a8a7cb1610f190862df7af2e5b2fd680b0d89dc42bf2",
      "sema:Build#mh:SHA-256:8c12768e582bf408aedc62adf2f68ebc0caba12e53191af37a35fc61befc1704",
      "sema:Build#mh:SHA-256:ddb234abcbbeab92a4b09829d2dbf22adc706c6183d529144c078170c73c65a4"
    ],
    "path": [
      "Mind",
      "Strategy"
    ]
  },
  "signature": [
    "Act(Artifact)"
  ],
  "parameters": [
    {
      "name": "cost_fraction",
      "type": "Ratio",
      "range": "(0.0, 0.5]",
      "description": "Share of the full commitment's cost this prototype may consume."
    }
  ],
  "sema_id": "sema:Build#mh:SHA-256:e2c44670a03fffee712f69a847aae0b6959ba58f9c7a14513cd8759d3921d5e3",
  "sema_ref": "Build#e2c4",
  "sema_stub": "e2c4",
  "dependencies": {
    "accepts": {
      "spec": "sema:Spec#mh:SHA-256:c9537551b2bfa2639c15270994fdbb5a52a41d098f499c5ed5d61945a7c50da7"
    },
    "references": {
      "act": "sema:Act#mh:SHA-256:2dfedd75a396f2639ce949b9f5270766350b9c7404d404c11c57140fcf030455",
      "marginal_value_rule": "sema:MarginalValueRule#mh:SHA-256:661109205c507b2c26d683d091de7f8b782bf2d6c2e9192373b242a9b078ac71",
      "plan": "sema:Plan#mh:SHA-256:246db278c5db286fcd78d824d85054fafb3348565ef584599b63900000c43b32",
      "prototype": "sema:Prototype#mh:SHA-256:1c44945a19114ab1c2a5d380f3b7cdc9d4def36732496309e44c070214517d6b"
    },
    "yields": {
      "artifact": "sema:Artifact#mh:SHA-256:b533ad2674ec00c5e9a5f1e3920f1097e2bc1eea7263f89e8f46563fa319a0ee"
    }
  },
  "sema_layer": "Mind",
  "sema_category": "Strategy",
  "used_by": {}
}