85 lines
3.1 KiB
Plaintext
85 lines
3.1 KiB
Plaintext
flowchart TD
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SOURCE[(Private inspection histories<br/>read-only source)]
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SAMPLE[Private page-sampled histories<br/>up to 10,000 vehicles<br/>keyed vehicle tokens]
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SOURCE -->|read-only bounded export| SAMPLE
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SAMPLE --> STAGE[Normalize labels<br/>deduplicate and validate]
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STAGE --> EPISODES[Build 30-day episodes<br/>first attempt is the target]
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EPISODES --> MART[Point-in-time feature mart<br/>returning vehicles only]
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subgraph SPLITS[Private development chronology]
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direction LR
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CONTEXT[2010-15<br/>history context]
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TRAIN[2016-22<br/>train]
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TUNE[2023<br/>tune]
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CAL[2024<br/>calibrate]
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HOLDOUT[2025<br/>one-time holdout]
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SHADOW[2026 partial<br/>shadow context]
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end
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MART -.-> SPLITS
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MART --> LOGISTIC[Regularized logistic + Platt<br/><b>final prototype model</b>]
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MART --> TREE[Histogram gradient boosting + Platt<br/><b>benchmark only</b>]
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LOGISTIC --> PRIVATE[Private model artifacts<br/>manifests, checksums, metrics]
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TREE --> PRIVATE
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HOLDOUT -.-> REPORT[Private/report-only<br/>one-time comparison]
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PRIVATE -.-> REPORT
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MART --> EXPORT[Aggregate, suppress,<br/>round, validate]
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PRIVATE -.->|pre-2025 diagnostics only| EXPORT
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subgraph PUBLIC[dashboard/public/data - public boundary]
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direction TB
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MANIFEST[data_manifest.json]
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OVERVIEW[overview_period_county.json]
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COHORTS[cohort_scorecard.json]
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AGE[age_risk_curve.json]
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COVERAGE[coverage_quality.json]
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FILTERS[filter_catalog.json]
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DIAGNOSTICS[model_diagnostics.json]
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HASHES[sha256_manifest.json]
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end
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EXPORT --> PUBLIC
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PUBLIC --> CONTRACT[Fail-closed browser validation]
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CONTRACT --> SITE[Static dashboard<br/>semantic HTML + CSS<br/>vanilla ES modules + inline SVG]
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subgraph VIEWS[Presentation-ready views]
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direction TB
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V1[Overview]
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V2[Sample cohorts]
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V3[Model & benchmark]
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V4[Data & methods]
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end
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SITE --> VIEWS
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subgraph GUARDRAILS[Publication guardrails]
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direction TB
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G1[Private 10,000-vehicle sample<br/>not population estimates]
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G2[Minimum episode, vehicle,<br/>and binary-class support]
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G3[No identifiers, raw/operational rows,<br/>credentials, or row-level predictions]
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G4[No county population rankings<br/>or vehicle-level prediction service]
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end
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EXPORT -.-> GUARDRAILS
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SITE --> DEMO[Allowlisted local static server<br/>same-network live demo]
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subgraph TESTS[Verification]
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direction LR
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PY[Python pipeline/model/export tests]
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JS[Node dashboard contract tests]
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end
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MART -.-> PY
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PUBLIC -.-> JS
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classDef private fill:#fff3e0,stroke:#b45309,color:#3b2415
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classDef model fill:#e0f2fe,stroke:#0369a1,color:#0c4a6e
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classDef public fill:#ecfdf5,stroke:#047857,color:#064e3b
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classDef warning fill:#fef2f2,stroke:#b91c1c,color:#7f1d1d
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class SOURCE,SAMPLE,STAGE,EPISODES,MART,PRIVATE,REPORT private
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class LOGISTIC,TREE model
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class PUBLIC,CONTRACT,SITE,VIEWS,DEMO public
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class GUARDRAILS warning
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