Function jsonArrayCount

packages/cli/src/pi-transcript-tools.ts:338–345

* Row count for list-shaped json results (Grep `matches`, Glob `files`). * Returns a count only when the keyed field is genuinely an array; an * error-shaped result (e.g. `{ error: "..." }`) returns undefined so the * caller falls back to a generic first-line summary rather than reporting a * fa

(entry: MakaPiToolEntry, key: string)

 * fabricated "N matches" / "N files" from an unrelated line count.
 */
function jsonArrayCount(entry: MakaPiToolEntry, key: string): number | undefined {
  const result = entry.result;
  if (result?.kind === 'json' && result.value !== null && typeof result.value === 'object') {
    const rows = (result.value as Record<string, unknown>)[key];
    if (Array.isArray(rows)) return rows.length;
  }
  return undefined;
}

function renderToolText(text: string, width: number): string[] {
  return renderIndented(limitText(text, 12_000), width, 2);