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Two compensating Summary-extractor bugs surfaced by simulated case 43 (a 2-BP mid-terrace with a detailed room-in-roof + a dry-lined extension wall). Their fabric errors nearly cancelled (walls net −0.76 W/K), hiding both behind a deceptively small +0.05 SAP delta. Bug 1 — main/extension wall dry-lining never read. The §7 "Dry-lining: Yes/No" line was parsed only for ALTERNATIVE walls; the main/extension WallDetails dropped it, so a dry-lined solid wall was billed at its un-adjusted base U. RdSAP 10 §5.8 + Table 14: a dry-lined uninsulated wall adds R=0.17 → U = 1/(1/U_base + 0.17). Case 43 Ext1: solid brick 1.70 → 1.32. Added `WallDetails.dry_lined`, read it in the extractor (both the main-wall builder and the As-Main copy), threaded it to the domain `wall_dry_lined` (emit None when undried — cascade-equivalent to False, keeps the field absent for the non-dry-lined majority). Bug 2 — the LAST room-in-roof surface row's U over-read. The per-row token scan stops at the next RIR-row name; the final surface (no successor) over- read into the following section, shifting the trailing-token slotting and silently zeroing its `default_u` (case 43 Common Wall 2: 1.90 → 0.00 → the 2.4 m² common wall billed at U=0 instead of the main-wall 1.90). Stop the scan at the row's natural end — the "Yes"/"No" u_value_known flag plus the trailing u_value numeric. Case 43 now reproduces the P960 EXACTLY: (29a) walls 74.5800, (33) fabric 172.7844, continuous SAP 73.2332 = (258), CO2 3518.30 = (272), all <1e-4 (was SAP +0.0455 / CO2 −8.04). Harness 47/47 0 raised; regression = the 3 pre-existing fails; pyright net-zero (51=51). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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| datatypes.py | ||
| enums.py | ||