Method cleanup

src/server/web/auth.ts:54–64

* Periodically clean up stale entries.

()

   * Periodically clean up stale entries.
   */
  cleanup(): void {
    const now = Date.now();
    for (const [ip, timestamps] of this.attempts) {
      const recent = timestamps.filter((t) => now - t < this.windowMs);
      if (recent.length === 0) {
        this.attempts.delete(ip);
      } else {
        this.attempts.set(ip, recent);
      }
    }
  }
}