Function buildCompressionReport

core/telemetry/report.js:88–119

(projectRoot)

}

function buildCompressionReport(projectRoot) {
  const paths = resolveTelemetryPaths(projectRoot);
  const data = readJsonlDetailed(paths.compression);
  let totalInput = 0;
  let totalOutput = 0;

  for (const entry of data.entries) {
    totalInput += entry.inputChars || 0;
    totalOutput += entry.outputChars || 0;
  }

  const averageRatio = totalInput > 0 ? totalOutput / totalInput : 0;
  const recent = data.entries.slice(-5).map(entry => ({
    agent: entry.agent || '?',
    inputChars: entry.inputChars || 0,
    outputChars: entry.outputChars || 0,
    ratio: typeof entry.ratio === 'number'
      ? entry.ratio
      : ((entry.inputChars || 0) > 0 ? (entry.outputChars || 0) / entry.inputChars : 0),
  }));

  return {
    kind: 'compression',
    totalEntries: data.entries.length,
    totalInput,
    totalOutput,
    averageRatio,
    recent,
    invalidCount: data.invalidCount,
    invalidSummary: summarizeInvalid(data),
  };
}

function formatAgentReport(report) {
  if (report.visibleEntries === 0) return 'No agent runs recorded yet.\n';