Model/packages/domain
Khalim Conn-Kowlessar 0f255165d5 §10a slice 1: table_32 + table_12a + fuel_cost orchestrator
Establishes the SAP10.2 §10a fuel-cost worksheet block per the
Table 32 (RdSAP10 prices, PDF page 95) + Table 12a (high-rate
fractions, PDF page 191) rewrite scoped in the §10a handover.

- tables/table_32.py: 28 fuel rows pinned verbatim; standing
  charges per fuel; API-enum → Table 32 translation; note (a)
  gating in `additional_standing_charges_gbp` (gas use + off-peak
  electricity rules).
- tables/table_12a.py: `Tariff` enum (incl. TEN_HOUR for spec
  completeness — RdSAP cert flow doesn't route here);
  `Table12aSystem` + `OtherUse` enums; `space_heating_high_rate_
  fraction` / `water_heating_high_rate_fraction` / `other_use_high_
  rate_fraction` lookups; `tariff_from_meter_type` cert resolver
  (Unknown → STANDARD per the spec-faithful policy).
- worksheet/fuel_cost.py: 32-field `FuelCostResult` (line refs
  (240)..(255)) + kwargs `fuel_cost` orchestrator. Off-peak split
  via `_split` helper applied to main 1 / main 2 / secondary /
  water-heating rows; pumps/fans/lighting/cooling/instant-shower
  at single rate (per-row Table 12a split deferred); (252) PV
  credit negative; (255) clamped to >= 0.

130 synthetic unit tests pinned. CalculatorInputs wiring + cert_
to_inputs rewrite + 6-fixture conformance follow in slice 2.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-21 19:40:16 +00:00
..
src/domain §10a slice 1: table_32 + table_12a + fuel_cost orchestrator 2026-05-21 19:40:16 +00:00
pyproject.toml slice 13: to_rows(properties) returns pd.DataFrame 2026-05-16 16:43:28 +00:00
README.md added potential file scaffolding: 2026-05-15 10:56:53 +00:00

domna-domain

Shared domain types — Property, Properties, BaselinePerformance, Plan, PlanPhase, Scenario, ScenarioPhase, ScenarioSnapshot, Recommendation, OptimisedPackage, EpcPropertyData, etc.

Boundary: types only. No persistence, no IO, no business logic. Other packages and services depend on domna-domain; this package depends on nothing internal.

Domain definitions live in ../../CONTEXT.md. New types added here must match the glossary terms.

Layout

src/domain/
├── __init__.py
├── property.py             # Property, Properties, PropertyIdentity
├── site_notes.py
├── landlord_overrides.py
├── baseline_performance.py # lodged + effective pair (ADR-0004)
├── plan.py                 # Plan, PlanPhase, OptimisedPackage
├── scenario.py             # Scenario, ScenarioPhase, ScenarioSnapshot (ADR-0005)
├── recommendation.py
├── geospatial.py
├── solar.py
├── anomaly_flags.py
└── ml/
    ├── __init__.py
    ├── transform.py        # EpcMlTransform (versioned per §8.3)
    └── schema.py

When datatypes/epc/domain/ folds in, the EPC schema types move under src/domain/epc/.