From d9b10006659086eca239456fcfd11e06591496d8 Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <wolfgang.hottgenroth@icloud.com>
Date: Sat, 6 Dec 2025 14:46:39 +0100
Subject: [PATCH] publish cache retained

---
 src/pv_controller/MqttBase.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pv_controller/MqttBase.py b/src/pv_controller/MqttBase.py
index 1fc825c..7b36477 100644
--- a/src/pv_controller/MqttBase.py
+++ b/src/pv_controller/MqttBase.py
@@ -69,5 +69,5 @@ class AbstractMqttPublisher(threading.Thread):
             logger.debug(f"mqtt message unchanged, not publishing: {topic} -> {payload}")
             return
         self.cache[topic] = payload
-        self.client.publish(topic, payload)
+        self.client.publish(topic, payload, retain=True)