ci: restart dockerd directly (no service manager in runner)

The Gitea Act Runner container has no systemd, service, or init.d.
Kill dockerd by PID and relaunch it directly after writing daemon.json.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -148,12 +148,12 @@ jobs:
         run: |
           sudo mkdir -p /etc/docker
           echo '{"insecure-registries":["${{ env.GITEA_REGISTRY }}"]}' | sudo tee /etc/docker/daemon.json
-          # Restart docker - try systemctl first, fall back to service for non-systemd runners
+          # Restart dockerd - kill existing process and relaunch
-          if command -v systemctl &>/dev/null && systemctl is-system-running &>/dev/null; then
+          sudo kill "$(cat /var/run/docker.pid 2>/dev/null)" 2>/dev/null || sudo pkill dockerd || true
-            sudo systemctl restart docker
+          sleep 3
-          else
+          sudo dockerd &>/dev/null &
-            sudo service docker restart || sudo /etc/init.d/docker restart
+          # Wait for Docker to be ready
-          fi
+          for i in $(seq 1 30); do docker info &>/dev/null && break || sleep 1; done
 
       - name: Login to Gitea container registry
         run: |