Function parseExtractMetrics

src/tools/web/extract-metrics.ts:21–33

(jsonl: string)

/** Aggregate JSONL metric lines (`{"t":…,"mode":"semantic|head-tail"}`) into counts. PURE. */
export function parseExtractMetrics(jsonl: string): ExtractCounts {
  let semantic = 0, headTail = 0;
  for (const line of jsonl.split('\n')) {
    if (!line.trim()) continue;
    try {
      const mode = JSON.parse(line)?.mode;
      if (mode === 'semantic') semantic++;
      else if (mode === 'head-tail') headTail++;
    } catch { /* skip malformed line */ }
  }
  const truncated = semantic + headTail;
  return { semantic, headTail, truncated, semanticRate: truncated ? semantic / truncated : 0 };
}

async function metricsFile(): Promise<string> {
  const { QODEX_HOME } = await import('../../config/defaults.js');