async def handle_send_message(call: ServiceCall):
            message = call.data.get("message")
            recipient = call.data.get("recipient")
            use_manual = call.data.get("use_manual_number", False)
            target_number = call.data.get("number")
            
            entries = hass.config_entries.async_entries(DOMAIN)
            targets = []
            
            # Logik-Prüfung
            if use_manual and target_number:
                # Fall A: Manuelle Nummer
                targets.append(target_number)
            elif recipient == "all_accounts":
                # Fall B: Rundruf
                for e in entries:
                    targets.append(e.data.get(CONF_PHONE_NUMBER))
            elif recipient:
                # Fall C: Spezifisches Profil (Recipient Name)
                for e in entries:
                    if e.title.lower() == recipient.lower():
                        targets.append(e.data.get(CONF_PHONE_NUMBER))

            # Senden (wie gehabt)
            for num in targets:
                url = "http://866fd2eb-whatsapp-bridge:3000/send"
                try:
                    await hass.async_add_executor_job(
                        lambda: requests.post(url, json={
                            "number": num,
                            "message": message
                        }, timeout=10)
                    )
                    _LOGGER.info("WhatsApp sent to %s", num)
                except Exception as e:
                    _LOGGER.error("Error sending to %s: %s", num, str(e))