si THIS the problem

.tangled/workflows/build.yml

···
   
   - name: "SSH setup"
     command: |
+      echo "🪶 setting up ssh connection"
       mkdir ~/.ssh
       echo "${SSH_KEY}" > ~/.ssh/id_tangledsh
       chmod 600 ~/.ssh/id_tangledsh
-      ssh-keyscan -H ${SERVER_HOST} >> ~/.ssh/known_hosts
-      echo "🪶 setting up ssh connection"
+      ssh-keyscan -H "${SERVER_HOST}" >> ~/.ssh/known_hosts
+      cat ~/.ssh/known_hosts
   
   - name: "Deploy via SCP"
     command: |