Fix: Remove invalid protocol param, add explicit port

After building and pushing the ARM64 image, automatically deploy it to
the Hetzner server by SSHing in, pulling the new image, and restarting
the container.

Requires secrets: HETZNER_IP, HETZNER_SSH_KEY

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.github/workflows/shardok_arm64_build.yml

@@ -157,3 +157,53 @@ jobs:
           echo "=== Push complete ==="
           echo "Image: $IMAGE_TAG"
           echo "Also tagged as: registry.digitalocean.com/eagle0/shardok-server:arm64-latest"
+
+  deploy-hetzner:
+    runs-on: ubuntu-latest
+    needs: [build-shardok-arm64]
+    if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
+    environment: production
+    env:
+      SHARDOK_IMAGE: ${{ needs.build-shardok-arm64.outputs.image_tag }}
+    steps:
+      - name: Deploy to Hetzner
+        uses: appleboy/ssh-action@v1.0.3
+        with:
+          host: ${{ secrets.HETZNER_IP }}
+          port: 22
+          username: deploy
+          key: ${{ secrets.HETZNER_SSH_KEY }}
+          script_stop: true
+          envs: SHARDOK_IMAGE
+          script: |
+            set -ex
+            cd /opt/eagle0
+
+            # Login to registry
+            echo "${{ secrets.DO_REGISTRY_TOKEN }}" | docker login registry.digitalocean.com -u "${{ secrets.DO_REGISTRY_TOKEN }}" --password-stdin
+
+            echo "Deploying Shardok ARM64: $SHARDOK_IMAGE"
+
+            # Pull the new image
+            docker pull "$SHARDOK_IMAGE"
+
+            # Stop and remove existing container
+            docker stop shardok-ai 2>/dev/null || true
+            docker rm shardok-ai 2>/dev/null || true
+
+            # Run new container
+            docker run -d \
+              --name shardok-ai \
+              --restart unless-stopped \
+              -p 40042:40042 \
+              -v /opt/eagle0/data:/data \
+              "$SHARDOK_IMAGE"
+
+            # Wait and verify
+            sleep 5
+            docker ps | grep shardok-ai
+
+            # Cleanup old images
+            docker image prune -f
+
+            echo "=== Hetzner deployment complete ==="