doorbell: fake zigbee probe device + E2E validation (no real ring)

infra/doorbell-probe/e2e-check.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+# Validate the full doorbell chain WITHOUT flashing a real lamp:
+#   ntfy.sh -> doorbell-listener -> MQTT -> fake zigbee device
+# Publishes a probe canary (tagged "doorbell-probe") to the ntfy test topic,
+# then waits for the fake device to echo a TOGGLE on its state topic.
+set -u
+
+NTFY_TOPIC="${NTFY_TOPIC:-ALERT_klubhaus_topic_test}"
+PROBE_STATE="${PROBE_STATE:-zigbee2mqtt/DoorbellProbe}"
+MQTT_HOST="${MQTT_HOST:-127.0.0.1}"
+TIMEOUT="${TIMEOUT:-25}"
+marker="e2e-$(date +%s)-$$"
+
+echo "publishing probe canary to ntfy.sh/$NTFY_TOPIC"
+curl -fsS -m 10 -o /dev/null -X POST "https://ntfy.sh/$NTFY_TOPIC" \
+    -H "Title: doorbell-probe" \
+    -H "Tags: doorbell-probe" \
+    -d "$marker" || { echo "E2E FAIL: ntfy publish failed"; exit 2; }
+
+echo "waiting for TOGGLE echo on $PROBE_STATE (<=${TIMEOUT}s)"
+if timeout "$TIMEOUT" docker exec mosquitto mosquitto_sub -h 127.0.0.1 -t "$PROBE_STATE" -C 1 -W "$TIMEOUT" 2>/dev/null | grep -q TOGGLE; then
+    echo "E2E OK"
+    exit 0
+else
+    echo "E2E FAIL: no TOGGLE echo on $PROBE_STATE within ${TIMEOUT}s"
+    exit 1
+fi