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a09f49ff9c
* feat(supply-chain): energy flow estimates per chokepoint (mb/d card row) - Add FlowEstimate proto message + ChokepointInfo field 15; regenerate stubs - Add baselineId mapping to _chokepoint-ids.ts (7 of 13 chokepoints) - Add relayId to seed-chokepoint-baselines.mjs CHOKEPOINTS entries - New seed-chokepoint-flows.mjs: reads portwatch + baselines, computes 7d tanker avg vs 90d baseline, outputs flow_ratio and current_mbd; prefers DWT (capTanker) when available; flags disruption if last 3 days each below 0.85 threshold; writes energy:chokepoint-flows:v1 (TTL 3d) - get-chokepoint-status.ts: parallel-reads flows key, attaches flowEstimate - SupplyChainPanel: compact card gains mb/d row (red <85%, amber <95%) - 19 new unit tests for flow computation and seeder contract * fix(chokepoint-flows): base useDwt on 90d baseline window, not recent 7 days Zero recent capTanker is the disruption signal, not a reason to fall back to vessel counts. Switching metrics during peak disruption caused the seeder to report a higher (less accurate) flow estimate exactly when oil-flow collapse is most acute. useDwt is now locked to whether the baseline window has DWT data -- stable across disruption events. Adds regression test covering DWT-collapse scenario. * fix(chokepoint-flows): require majority DWT coverage in baseline before activating DWT mode capBaselineSum > 0 would activate DWT on a single non-zero day during partial data roll-out, pulling down the baseline average via zero-filled gaps. Now requires >= ceil(prev90.length / 2) days with DWT data. ArcGIS data is all-or-nothing per chokepoint in practice, so this guard catches edge cases without affecting normal operation.
46 lines
1.8 KiB
JavaScript
46 lines
1.8 KiB
JavaScript
#!/usr/bin/env node
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import { loadEnvFile, runSeed } from './_seed-utils.mjs';
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loadEnvFile(import.meta.url);
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export const CANONICAL_KEY = 'energy:chokepoint-baselines:v1';
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export const CHOKEPOINT_TTL_SECONDS = 34_560_000;
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export const CHOKEPOINTS = [
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{ id: 'hormuz', relayId: 'hormuz_strait', name: 'Strait of Hormuz', mbd: 21.0, lat: 26.6, lon: 56.3 },
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{ id: 'malacca', relayId: 'malacca_strait', name: 'Strait of Malacca', mbd: 17.2, lat: 1.3, lon: 103.8 },
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{ id: 'suez', relayId: 'suez', name: 'Suez Canal / SUMED', mbd: 7.6, lat: 30.7, lon: 32.3 },
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{ id: 'babelm', relayId: 'bab_el_mandeb', name: 'Bab el-Mandeb', mbd: 6.2, lat: 12.6, lon: 43.4 },
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{ id: 'danish', relayId: 'dover_strait', name: 'Danish Straits', mbd: 3.0, lat: 57.5, lon: 10.5 },
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{ id: 'turkish', relayId: 'bosphorus', name: 'Turkish Straits', mbd: 2.9, lat: 41.1, lon: 29.0 },
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{ id: 'panama', relayId: 'panama', name: 'Panama Canal', mbd: 0.9, lat: 9.1, lon: -79.7 },
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];
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export function buildPayload() {
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return {
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source: 'EIA World Oil Transit Chokepoints',
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referenceYear: 2023,
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updatedAt: new Date().toISOString(),
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chokepoints: CHOKEPOINTS,
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};
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}
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export function validateFn(data) {
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return Array.isArray(data?.chokepoints) && data.chokepoints.length === 7;
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}
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const isMain = process.argv[1]?.endsWith('seed-chokepoint-baselines.mjs');
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if (isMain) {
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runSeed('energy', 'chokepoint-baselines', CANONICAL_KEY, buildPayload, {
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validateFn,
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ttlSeconds: CHOKEPOINT_TTL_SECONDS,
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sourceVersion: 'eia-chokepoint-baselines-v1',
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recordCount: (data) => data?.chokepoints?.length || 0,
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}).catch((err) => {
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const cause = err.cause ? ` (cause: ${err.cause.message || err.cause.code || err.cause})` : '';
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console.error('FATAL:', (err.message || err) + cause);
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process.exit(1);
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});
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}
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