debug: check if FLY_API_TOKEN is being set

.tangled/workflows/deploy.yaml

···
     command: |
       flyctl version
 
+  - name: check token
+    environment:
+      FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
+    command: |
+      if [ -z "$FLY_API_TOKEN" ]; then
+        echo "FLY_API_TOKEN is not set"
+        exit 1
+      else
+        echo "FLY_API_TOKEN is set (length: ${#FLY_API_TOKEN})"
+      fi
+
   - name: deploy to fly.io
     environment:
       FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}