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5e0963593a
A full-SAP cert (assessment_type=SAP, the as-designed LIG-* new-builds) lodged
under a SAP-Schema-16.x version failed to map with:
ValueError: RdSapSchema17_1: missing required field 'door_count'
— crashing the property's modelling_e2e subtask. 89 distinct properties in the
2026-06-24 run hit this; ~22 of every 30 sampled are this full-SAP shape.
Root cause: from_api_response dispatches on the schema_type STRING only, and the
SAP-Schema-16.x branch assumed a single shape — "reduced-field (RdSAP-shaped)" —
sending every 16.x cert through _normalize_sap_schema_16_x -> RdSapSchema17_1.
But the SAP-Schema-16.x name covers two structurally different certs:
* reduced RdSAP (assessment_type=RdSAP): top-level door_count / glazed_area
band / construction-code building parts.
* full SAP (assessment_type=SAP): measured shape — sap_opening_types +
structured sap_building_parts carrying measured U-values and door/window
OPENINGS, with NO top-level door_count (the door is an opening). These omit
the reduced-only count fields, so the reduced normaliser failed loud on the
first one it checks (door_count) — and 14 others behind it.
Force-fitting a full-SAP cert to the reduced RdSAP schema was the bug: the data
was never missing, it was being validated against the wrong schema.
Fix: discriminate on shape (_is_full_sap_cert: assessment_type=SAP AND
sap_opening_types present) and route full-SAP 16.x certs to the existing
full-SAP 17.1 mapper, which reads the real measured openings (the lodged
0.9x2.1m door -> door_count 1) — no reduced-field defaulting. The only field the
16.x full-SAP shape omits that SapSchema17_1 needs is `tenure` (register
metadata, no SAP effect), defaulted. Reduced 16.x certs (assessment_type=RdSAP,
no opening types) are untouched — all pinned reduced 16.x fixtures stay on the
RdSAP path.
Regression test pins a real full-SAP-16.0 cert (0293-...-8795, lodged 83) mapping
via the full-SAP path + the reduced 16.2 cert staying on the RdSAP path.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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| __init__.py | ||
| datatypes.py | ||
| enums.py | ||