v1.2.1 - Bug fixes for stability and Ingress support

Fixed

• Potential deadlock in packet logging causing Recv-Q accumulation
  • Moved callback invocation outside of mutex lock in LogPacket()
  • Copy log buffer before sending to WebSocket to avoid holding lock
  • Use non-blocking channel send for buffered logs
• Client management modal not working via Home Assistant Ingress
  • Use apiUrl() helper for /api/clients endpoints

Changed

• Client management modal now sorted by connection time (oldest first)