Khalim Conn-Kowlessar 13b18ce9fb feat(modelling): roof dispatcher insulates a flat roof ...

Slice 3 (ADR-0021). The dispatcher gains a flat-roof branch: a "flat"
roof_construction_type with no lodged thickness (uninsulated → None on the
Elmhurst path) gets a single flat_roof_insulation Option whose overlay raises
roof_insulation_thickness to 200 mm — tested before the loft fallback so a flat
roof's None doesn't trip the loft trigger. Pinned against the Elmhurst
before→after cert at 1e-4. Golden cohort roof firing unchanged (none across 57).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-06-04 21:16:00 +00:00

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