fix: deploy waits for port 1999 to be free before starting service

.github/workflows/deploy.yml

@@ -75,10 +75,28 @@ jobs:
             sudo cp config/systemd/cv.service /etc/systemd/system/$SERVICE_NAME.service
             sudo systemctl daemon-reload
 
-            echo "🔄 Restarting service..."
-            sudo systemctl restart $SERVICE_NAME
+            echo "🔄 Stopping service..."
+            sudo systemctl stop $SERVICE_NAME || true
 
-            echo "⏳ Waiting for service to start..."
+            # Wait for port to be released (max 15s)
+            echo "⏳ Waiting for port 1999 to be free..."
+            for i in $(seq 1 15); do
+              if ! sudo fuser 1999/tcp >/dev/null 2>&1; then
+                echo "✅ Port 1999 free after ${i}s"
+                break
+              fi
+              if [ $i -eq 15 ]; then
+                echo "⚠️  Force-killing port 1999..."
+                sudo fuser -k 1999/tcp 2>/dev/null || true
+                sleep 1
+              fi
+              sleep 1
+            done
+
+            echo "🔄 Starting service..."
+            sudo systemctl start $SERVICE_NAME
+
+            echo "⏳ Waiting for health check..."
             sleep 3
 
             # Check service status