指标与分数

npm install @elata-biosciences/app-metrics

import { createMetricsClient } from '@elata-biosciences/app-metrics';

const metrics = createMetricsClient();
await metrics.ready();

await metrics.record({ type: 'level_complete', data: { level: 3, time: 42 } });
await metrics.saveScore({ value: 1200, meta: { level: 3 } });

const best = await metrics.loadScores({ order: 'value_desc', limit: 10 });
const recent = await metrics.query({ type: 'level_complete', limit: 20 });

const result = await metrics.reportAffect({
  dimension: 'calm',      // 'calm' | 'stress' | 'focus'
  baselineValue: 0.42,    // 0..1
  sessionValue: 0.61,     // 0..1
  delta: 0.19,            // -1..1
  meanHr: 68,             // 可选，会话平均心率
  signalQuality: 0.85,    // 0..1
  confidence: 0.8,        // 0..1
  source: 'rppg',
  durationSec: 300,
});
// result: { accepted, calibrating, score }