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7992154ffd
Two final API gaps to close cert 9501 at 1e-4:
(a) PV array surfacing — third shape variant:
Schema-21 EPCs carry `photovoltaic_supply` as one of three shapes:
- legacy `{"none_or_no_details": {...}}` (PV absent / roof-only)
- nested list `[[{...}], ...]` (cohort cert 2130)
- dict wrapper `{"pv_arrays": [{...}]}` (cert 9501)
The schema's `PhotovoltaicSupply` modelled only `none_or_no_details`
— cert 9501's measured arrays under `pv_arrays` were silently
dropped (Δ -£250 PV credit → -9.32 SAP). Added
`SchemaPhotovoltaicArray` dataclass + `pv_arrays:
Optional[List[...]]` sibling field on `PhotovoltaicSupply`; updated
`_map_schema_21_pv` to dispatch on the new shape.
(b) Gap-aware glazing lookup (RdSAP 10 Table 24 row 2):
DG pre-2002 spec U varies by gap: 6mm=3.1 / 12mm=2.8 / 16+=2.7.
The mapper's flat `_API_GLAZING_TYPE_TO_TRANSMISSION[3]` returned
U=2.8 unconditionally — cert 9501 lodges `glazing_gap="16+"` so
the worksheet uses 2.7. Added `_API_GLAZING_TYPE_GAP_TO_
TRANSMISSION` keyed by (type, gap) with the spec-table values for
code 3; `_api_glazing_transmission` consults the per-gap dict
first, falling back to type-only when no gap entry exists.
Refactored the inline `SapWindow(...)` build into
`_api_sap_window` helper (also nets one pyright error: net-zero
actually improved 33 → 32 on mapper.py).
Effect on cert 9501 API path:
- sap_continuous 59.20 → **68.525161** (= worksheet 68.5252 exact;
Δ -0.000039 — well within 1e-4)
- total_fuel_cost £1101 → £849.21 (= worksheet 849.21 exact)
- pv_export_credit £0 → £250.02 (= worksheet 250.02 exact)
Re-pinned residuals (5 cohort certs with glazing_gap="16+" or 6 now
pick up the spec-correct DG-pre-2002 U):
- 0300: PE +8.44 → +8.28, CO2 -0.23 → -0.25
- 6035: PE +48.30 → +47.85, CO2 +1.10 → +1.09
- 7536: PE -6.51 → -7.08, CO2 -0.17 → -0.19
- 8135: PE -5.31 → -3.66 (gap=6 spec U=3.1), CO2 -0.07 → -0.04
- 2130: PE -38.18 → -38.63, CO2 +0.30 → +0.30
Layer 4 chain test `test_api_9501_full_chain_sap_matches_worksheet
_pdf_exactly` added — third production gate after cert 001479 +
cert 0330. First flat-shaped cert in the production gate set.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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|---|---|---|
| .. | ||
| fixtures | ||
| __init__.py | ||
| test_elmhurst_end_to_end.py | ||
| test_elmhurst_extractor.py | ||
| test_end_to_end.py | ||
| test_extractor.py | ||
| test_pdf.py | ||
| test_summary_pdf_mapper_chain.py | ||