Method pruneSticky

server/src/datasource.ts:370–374

Drop sticky entries for aircraft long gone (keep the map small).

(now: number)

  /** Drop sticky entries for aircraft long gone (keep the map small). */
  private pruneSticky(now: number): void {
    for (const [hex, s] of this.sticky) {
      if (now - s.lastSeen > 600_000) this.sticky.delete(hex);
    }
  }
}