Update HA dev config to use existing mqtt.home broker

- Remove mosquitto from flake (use existing broker)
- Point dev config to mqtt.home instead of localhost
- Cleaner setup using your existing MQTT infrastructure

dev-config/configuration.yaml

@@ -24,9 +24,9 @@ system_health:
 # Enable mobile app support
 mobile_app:
 
-# MQTT Configuration (connect to local broker)
+# MQTT Configuration (connect to existing mqtt.home broker)
 mqtt:
-  broker: localhost
+  broker: mqtt.home
   port: 1883
   discovery: true
   discovery_prefix: homeassistant

flake.nix

@@ -49,7 +49,6 @@
             
             # Home Assistant for development
             home-assistant
-            mosquitto
           ];
 
           shellHook = ''
@@ -58,7 +57,7 @@
             echo "Python: $(python --version)"
             echo "Home Assistant: $(hass --version)"
             echo ""
-            echo "Available tools: pytest, black, isort, flake8, mypy, mosquitto"
+            echo "Available tools: pytest, black, isort, flake8, mypy"
             echo ""
             echo "Directories:"
             echo "  server/ - Elixir systant daemon"
@@ -66,8 +65,7 @@
             echo "  dev-config/ - Home Assistant development configuration"
             echo ""
             echo "Commands:"
-            echo "  hass --config ./dev-config - Start HA dev instance"
-            echo "  mosquitto - Start MQTT broker for testing"
+            echo "  hass --config ./dev-config - Start HA dev instance (uses mqtt.home)"
           '';
         };
         packages = {