debug: add environment diagnostics

.gitea/workflows/release.yml

@@ -11,8 +11,21 @@ env:
 
 jobs:
   build:
-    runs-on: linux_x64
+    runs-on: ubuntu-docker
     steps:
+      - name: Debug environment
+        run: |
+          echo "=== Environment ==="
+          echo "PATH: $PATH"
+          echo "=== Looking for docker ==="
+          which docker || echo "docker not in PATH"
+          ls -la /usr/local/bin/ || echo "no /usr/local/bin"
+          ls -la /usr/bin/docker || echo "no /usr/bin/docker"
+          echo "=== Docker socket ==="
+          ls -la /var/run/docker.sock || echo "no docker socket"
+          echo "=== All binaries ==="
+          ls /usr/local/bin/ 2>/dev/null || true
+
       - name: Checkout repository
         run: |
           git clone --depth 1 --branch ${GITHUB_REF_NAME} ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git .