fix: retry docker push for large images on slow CI runners

.gitea/workflows/ci.yml

@@ -158,10 +158,15 @@ jobs:
 
       - name: Push image
         run: |
-          docker push registry.johnogle.info/openclaw:${{ steps.meta.outputs.tag }}
-          # Push latest tag separately — large images can timeout if pushed
-          # back-to-back. The versioned tag push above populates the registry
-          # layer cache, so this is mostly a manifest push.
+          # Push versioned tag with retry (large images can timeout on slow connections)
+          for i in 1 2 3; do
+            if docker push registry.johnogle.info/openclaw:${{ steps.meta.outputs.tag }}; then
+              break
+            fi
+            echo "Push attempt $i failed, retrying in 10s..."
+            sleep 10
+          done
+          # Push latest tag — mostly a manifest push since layers already exist
           docker push registry.johnogle.info/openclaw:latest || \
             echo "::warning::Failed to push :latest tag (versioned tag already pushed)"