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https://github.com/Hestia-Homes/Model.git
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64fce04169
Hand-trace cert 0340-2394 (73m² mid-floor flat, code 691 electric room
heater, actual SAP 75, predicted 56) confirmed the cert software
applies off-peak rates to electric room heaters when the dwelling has
the E7-tariff hallmarks (electric immersion HW cylinder). Extending
the cert-calibration E7-eligible set from {191-196, 401-409, 421-425}
to add {691-696}.
100-cert parity probe:
MAE 4.48 → 4.40 (-0.08)
RMSE 5.81 → 5.63
bias -0.52 → +0.16 (essentially centered)
within ±10: 95% → 96%
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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| .. | ||
| domain | ||
| fetchers | ||
| repos | ||
| utils | ||
| README.md | ||
Shared packages
Workspace packages consumed by services/*. Each package is its own Python distribution with its own pyproject.toml; services import via the workspace dependency mechanism ({ workspace = true }).
| Package | Purpose |
|---|---|
domain/ |
Shared domain types — Property, BaselinePerformance, Plan, Scenario, EpcPropertyData, etc. No persistence, no IO, no business logic. |
repos/ |
Persistence layer — one repo per aggregate. Owns the SQL. Depends on domain. |
fetchers/ |
External API clients (gov EPC, Ofgem, Google Solar, etc.). Depend on domain for response shapes. |
utils/ |
Cross-cutting infra — logging, S3, CloudWatch URL builders, SQS task helpers. |
Adding a new shared package
Only when a real second consumer materialises. Don't pre-shatter (repos-epc, repos-property, ...) — split when a deployment needs to drop a dep, not before.
See ../ara_backend_design.md §11 for the broader monorepo layout and ../CONTEXT.md for the domain glossary that names the types living in domain/.