Khalim Conn-Kowlessar 36f2c7bbdf Slice 46a: Elmhurst mapper handles multi-bp Summary PDFs — Summary_000474 chain test flips green ... ElmhurstSiteNotes had no representation for extensions: singular dimensions / walls / roof / floor fields could only describe the main bp. Summary PDFs lodge "1st Extension" / "2nd Extension" subsections in §4, §7, §8, §9 with optional "As Main: Yes" inheritance. This slice: - Adds `ExtensionPart` dataclass and `ElmhurstSiteNotes.extensions: List[ExtensionPart]`. - Adds `_split_section_by_bp` helper + per-bp parsing of dimensions / walls / roof / floor in the extractor; "As Main" inherits from the main bp. - Refactors `_map_elmhurst_building_part` into a parameterised builder; adds `_map_elmhurst_building_parts` that yields Main + one SapBuildingPart per extension (capped at 4 per RdSAP10 §1.2). - Scaffold test `test_summary_000474_mapper_produces_three_building_parts` flips from strict-xfail to passing. Single-bp behaviour is unchanged (empty extensions list defaults). 752 existing tests stay green. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>		2026-05-24 17:55:13 +00:00
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domain	Slice 46a: Elmhurst mapper handles multi-bp Summary PDFs — Summary_000474 chain test flips green	2026-05-24 17:55:13 +00:00
loaders	demo generated for use in address2uprn	2026-05-08 14:48:15 +00:00
schema	Slice 44: flat_roof_insulation_thickness mapper fix — surface lodged value on SapBuildingPart	2026-05-24 15:28:10 +00:00
search	bolstering testing	2026-04-28 13:46:09 +00:00
surveys	Slice 46a: Elmhurst mapper handles multi-bp Summary PDFs — Summary_000474 chain test flips green	2026-05-24 17:55:13 +00:00
__init__.py	testing out rebaselining	2026-02-12 22:25:03 +00:00
construction_age_band.py	testing out rebaselining	2026-02-12 22:25:03 +00:00
efficiency.py	beginning to assembly the parity class	2026-02-04 18:34:59 +00:00
floor.py	preparing partiy class	2026-02-05 08:54:27 +00:00
fuel.py	beginning to assembly the parity class	2026-02-04 18:34:59 +00:00
heating_controls.py	beginning to assembly the parity class	2026-02-04 18:34:59 +00:00
hotwater.py	beginning to assembly the parity class	2026-02-04 18:34:59 +00:00
main_heating.py	beginning to assembly the parity class	2026-02-04 18:34:59 +00:00
property_type_built_form.py	beginning to assembly the parity class	2026-02-04 18:34:59 +00:00
roof.py	beginning to assembly the parity class	2026-02-04 18:34:59 +00:00
walls.py	beginning to assembly the parity class	2026-02-04 18:34:59 +00:00
windows.py	testing out rebaselining	2026-02-12 22:25:03 +00:00