ci: Simplify deploy script to pure POSIX sh

.gitea/workflows/lint.yml

@@ -74,18 +74,11 @@ jobs:
           idf.py build
 
       - name: Deploy via OTA
-        shell: bash
         run: |
-          # Sensor IPs (update if DHCP changes)
-          SENSOR_NAMES="muddy-storm amber-maple hollow-acorn"
-          SENSOR_IPS="192.168.129.29 192.168.129.30 192.168.129.31"
           PORT=8070
 
-          # Get host IP - try multiple methods
-          HOST_IP=$(ip route get 1 2>/dev/null | awk '{print $7; exit}')
-          if [ -z "$HOST_IP" ]; then
-            HOST_IP=$(hostname -I | awk '{print $1}')
-          fi
+          # Get host IP
+          HOST_IP=$(hostname -I | awk '{print $1}')
           echo "Host IP: $HOST_IP"
 
           # Start HTTP server in background
@@ -94,20 +87,20 @@ jobs:
           HTTP_PID=$!
           sleep 2
 
-          # Deploy to each sensor
-          set -- $SENSOR_IPS
-          for sensor in $SENSOR_NAMES; do
-            SENSOR_IP="$1"
-            shift
-            echo "=== Deploying to $sensor ($SENSOR_IP) ==="
+          # Deploy to muddy-storm
+          echo "=== Deploying to muddy-storm (192.168.129.29) ==="
+          echo "OTA http://${HOST_IP}:${PORT}/csi_recv_router.bin" | nc -u -w 2 192.168.129.29 5501 || true
+          sleep 30
 
-            # Send OTA command via UDP
-            echo "OTA http://${HOST_IP}:${PORT}/csi_recv_router.bin" | nc -u -w 2 $SENSOR_IP 5501
-            echo "OTA command sent to $sensor"
+          # Deploy to amber-maple
+          echo "=== Deploying to amber-maple (192.168.129.30) ==="
+          echo "OTA http://${HOST_IP}:${PORT}/csi_recv_router.bin" | nc -u -w 2 192.168.129.30 5501 || true
+          sleep 30
 
-            # Wait for device to download and reboot
-            sleep 30
-          done
+          # Deploy to hollow-acorn
+          echo "=== Deploying to hollow-acorn (192.168.129.31) ==="
+          echo "OTA http://${HOST_IP}:${PORT}/csi_recv_router.bin" | nc -u -w 2 192.168.129.31 5501 || true
+          sleep 30
 
           # Cleanup
           kill $HTTP_PID 2>/dev/null || true