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https://github.com/Hestia-Homes/Model.git
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7648032d73
Slice 2e. recommend_solid_wall joins the orchestrator's fabric generator pool (restrictions default unrestricted until slice 3 sources them); the harness catalogue + contingencies (26%) gain external_wall_insulation / internal_wall_insulation. run_modelling on an uninsulated solid-brick dwelling (baseline SAP 36.6) now selects internal wall insulation into the optimised package; the catalogue-completeness guard covers both new measure types. Golden cohort 57/57 still error-free; IWI now fires on a real cohort cert. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
27 lines
959 B
Python
27 lines
959 B
Python
"""Per-Measure-Type contingency rates.
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The one cost component carried separately from a Product's fully-loaded total
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(CONTEXT.md). Mirrors the legacy `recommendations/Costs.py::Costs.CONTINGENCIES`;
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extended as each measure type lands.
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"""
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_CONTINGENCY_RATES: dict[str, float] = {
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"cavity_wall_insulation": 0.10,
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"loft_insulation": 0.10,
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"suspended_floor_insulation": 0.20,
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"solid_floor_insulation": 0.26,
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"mechanical_ventilation": 0.26,
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"external_wall_insulation": 0.26,
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"internal_wall_insulation": 0.26,
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}
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def contingency_rate(measure_type: str) -> float:
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"""Return the contingency rate for a Measure Type, raising if unknown
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(strict — do not silently default, per the repo's strict-raise convention)."""
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try:
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return _CONTINGENCY_RATES[measure_type]
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except KeyError as exc:
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raise ValueError(
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f"no contingency rate configured for measure type {measure_type!r}"
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) from exc
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