infra: Pi wiring/runtime config — ttyUSB0, poll 60s, gateway SYS metrics, token via env_file

.gitignore

@@ -22,3 +22,6 @@ infra/nodered/flows_cred.json
 
 # operator tool pin
 mise.toml
+
+# per-service local secrets (env_file) - never commit
+infra/**/.env

infra/compose.yaml

@@ -41,7 +41,7 @@ services:
       - ./zigbee2mqtt:/app/data
     devices:
       - source: /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0
-        target: /dev/ttyUSB1
+        target: /dev/ttyUSB0
         permissions: rw
     entrypoint: ["/app/data/scripts/entrypoint.sh"]
     command: ["/sbin/tini", "--", "node", "index.js"]
@@ -102,12 +102,14 @@ services:
         condition: service_healthy
     volumes:
       - ./doorbell-listener/state:/data/doorbell-listener
+    env_file:
+      - ./doorbell-listener/.env
     environment:
       MQTT_HOST: 192.168.81.147
       MQTT_PORT: "1883"
       PLUG_TOPIC: "zigbee2mqtt/Squiggle/set"
       PROBE_PLUG_TOPIC: "zigbee2mqtt/DoorbellProbe/set"
-      POLL_INTERVAL: "5"
+      POLL_INTERVAL: "60"
       MAX_AGE_SECONDS: "180"
       FLASH_INTERVAL_SECONDS: "1"
       FLASH_DURATION_SECONDS: "7"

infra/meshtastic-mqtt/acl.conf

@@ -1 +1,2 @@
 topic readwrite msh/#
+topic read $SYS/#

infra/meshtastic-mqtt/mosquitto.conf

@@ -3,3 +3,5 @@ allow_anonymous true
 acl_file /mosquitto/config/acl.conf
 persistence false
 log_dest stdout
+
+sys_interval 10

infra/mosquitto/config/mosquitto.conf

@@ -7,3 +7,5 @@ password_file /mosquitto/config/passwd
 persistence true
 persistence_location /mosquitto/data
 log_dest file /mosquitto/log/mosquitto.log
+
+sys_interval 10

infra/zigbee2mqtt/configuration.yaml

@@ -3,7 +3,7 @@ mqtt:
   base_topic: zigbee2mqtt
   server: mqtt://mosquitto:1883
 serial:
-  port: /dev/ttyUSB1
+  port: /dev/ttyUSB0
   adapter: blz
   baudrate: 2000000
   rtscts: false