{"version":"phase4-v1","date":"2026-10-11","originalPlanFullyComplete":false,"phase1":{"status":"implemented with deviations","evidence":"Frozen protocol and hash-verified source inventory; latest 1 km climate ingestion remains open. Later decision tolerances are design choices rather than empirically derived baseline tolerances."},"phase2":{"status":"fallback feature complete","evidence":"33,755 LSOAs; 33,505 eligible fixed road-weighted deciles; official public 2 km climate, April 2026 road snapshot. Annual frost/anomalies, pre-validation road vintage and requested coverage map remain outstanding."},"phase3":{"status":"authority panel complete; other routes blocked","evidence":"765 authority-years, 682 eligible, 131 balanced authorities. Major-road centreline matching and independently validated LSOA miles absent. No local rates are inferred."},"phase4":{"status":"authority screening delivered; full LSOA gate open","evidence":"Raw pooled/annual rates, exact count and authority-resampling intervals, regional/resident-rurality comparisons, exposure, concentration and context diagnostics. LSOA D9/D10 feature support only. Elevation and detailed road-class mix unavailable."},"testYearDisclosure":"2025 appears in descriptive plots as requested by phase 4, so its frost association is now inspected. No model, control, merge or tuning decision is made; 2025 cannot subsequently be described as untouched. A future untouched year is required for prospective confirmation.","predictiveStatus":"Not yet tested","checks":{"sourceManifestHashes":true,"contextSourceHashes":true,"frozenV1Unchanged":true,"authorityBandReferenceCount":141,"eligibleRows":682,"balancedRows":655,"excludedAuthorityYears":83,"lsoaRatesPublished":0,"modelsFitted":0}}