Function withDiagnosticTimer

src/utils/diagnostics.ts:146–173

(
  phase: string,
  fn: () => Promise<T> | T,
  data?: Record<string, unknown>,
)

}

export async function withDiagnosticTimer<T>(
  phase: string,
  fn: () => Promise<T> | T,
  data?: Record<string, unknown>,
): Promise<T> {
  const start = Date.now();
  try {
    const result = await fn();
    emitDiagnostic({
      level: 'info',
      phase,
      durationMs: Date.now() - start,
      data,
    });
    return result;
  } catch (error) {
    emitDiagnostic({
      level: 'error',
      phase,
      durationMs: Date.now() - start,
      data: {
        ...(data ?? {}),
        error: error instanceof Error ? error.message : String(error),
      },
    });
    throw error;
  }
}

export function flushDiagnosticsToSessionFile(options: { force?: boolean } = {}): string | null {
  const scope = diagnosticsStorage.getStore();