Function firstStderrLine

src/kernel/errors.ts:120–134

(stderr: string)

}

function firstStderrLine(stderr: string): string | null {
  const skipPatterns = [
    /^an error was encountered processing the command/i,
    /^underlying error\b/i,
    /^simulator device failed to complete the requested operation/i,
  ];

  for (const rawLine of stderr.split('\n')) {
    const line = rawLine.trim();
    if (!line) continue;
    if (skipPatterns.some((pattern) => pattern.test(line))) continue;
    return line.length > 200 ? `${line.slice(0, 200)}...` : line;
  }
  return null;
}

function stripDiagnosticMeta(
  details: Record<string, unknown> | undefined,