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Khalim Conn-Kowlessar 5b7dbe2c21 Slice 21c: §2 cascade pins + ventilation_from_cert helper — 96/96 PASS 
Refactors the inline `ventilation_from_inputs(...)` block in
`cert_to_inputs` into a public `ventilation_from_cert(epc)` helper that
returns the full `VentilationResult`. Same cascade path, now reachable
from tests without duplicating the cert→inputs argument plumbing.

Adds §2 cascade pins to `test_section_cascade_pins.py` at abs=1e-4:

  scalar (11 line refs × 6 fixtures = 66 pins):
    (8)  openings_ach, (10) additional, (11) structural, (12) floor,
    (13) draught_lobby, (14) % draught proofed, (15) window,
    (16) infiltration_rate, (18) pressure_test, (20) shelter_factor,
    (21) shelter_adjusted_ach
  monthly (4 line refs × 6 × 12 months = 288 per-month assertions
   across 24 parametrized cases):
    (22) wind_speed, (22a) wind_factor, (22b) wind_adjusted_ach,
    (25) effective_monthly_ach
  integer (1 line ref × 6):
    (19) sheltered_sides

96 §2 cases all PASS (108 total when including §1). The cert→inputs
ventilation cascade reproduces the U985 PDF exactly across every line
ref for every fixture — a strong floor for the downstream §3-§12
cascade.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-22 23:10:42 +00:00
..
src/domain Slice 21c: §2 cascade pins + ventilation_from_cert helper — 96/96 PASS 2026-05-22 23:10:42 +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

README.md

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/.