Model/packages/domain
Khalim Conn-Kowlessar ccdaba5acd slice S-B3: flat heat-loss surface awareness
DwellingExposure flags on heat_transmission_from_cert suppress the
floor and/or roof channels when those surfaces are party with a
neighbouring dwelling. Cert mapper derives the flags from
EpcPropertyData.dwelling_type prefix:
  - "Mid-floor *"    → floor=False, roof=False
  - "Top-floor *"    → floor=False, roof=True
  - "Ground-floor *" → floor=True,  roof=False
  - everything else  → both exposed

100-cert parity probe impact:
  MAE   8.41 → 7.53   (-0.88)
  RMSE 13.98 → 11.60  (-2.38)
  bias -2.65 → -0.61  (system bias on flats essentially eliminated)

Bungalow outliers (-56 worst residual) untouched — different failure
mode (full envelope, but cascade U-values too conservative or storey
count over-counted). Next slice tackles that.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-18 14:10:45 +00:00
..
src/domain slice S-B3: flat heat-loss surface awareness 2026-05-18 14:10:45 +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/.