fix(ci): 修复Staging部署脚本调用方式（cat而非bash）

.gitea/workflows/ci-cd.yml

@@ -648,7 +648,7 @@ jobs:
         STAGING_SSH_PORT: ${{ secrets.STAGING_SSH_PORT }}
         STAGING_SSH_KEY: ${{ secrets.STAGING_SSH_KEY }}
         REGISTRY_TOKEN: ${{ secrets.REGISTRY_TOKEN }}
-      run: "set -eux\nstaging_host=\"${STAGING_SSH_HOST:-47.98.113.167}\"\nstaging_user=\"${STAGING_SSH_USER:-root}\"\nstaging_port=\"${STAGING_SSH_PORT:-22222}\"\necho \"Host: $staging_host\"\necho \"Port: $staging_port\"\n\nmkdir -p ~/.ssh\n\n# 查找可用的SSH密钥\nkey_path=\"\"\nif [ -f /root/.ssh/xiaoxia_runtime_builder ]; then\n  key_path=\"/root/.ssh/xiaoxia_runtime_builder\"\n  echo \"Using key: $key_path (builder key)\"\nelif [ -f \"$HOME/.ssh/xiaoxia_runtime_builder\" ]; then\n  key_path=\"$HOME/.ssh/xiaoxia_runtime_builder\"\n  echo \"Using key: $key_path (home key)\"\nelif [ -n \"${STAGING_SSH_KEY:-}\" ]; then\n  key_path=\"$HOME/.ssh/id_ed25519\"\n  printf \'%s\\n\' \"$STAGING_SSH_KEY\" \u003e \"$key_path\"\n  chmod 600 \"$key_path\"\n  echo \"Using key from STAGING_SSH_KEY secret\"\nelse\n  echo \"ERROR: No SSH key available\"\n  ls -la ~/.ssh/ 2\u003e/dev/null || true\n  ls -la /root/.ssh/ 2\u003e/dev/null || true\n  exit 1\nfi\n\nssh-keyscan -p \"$staging_port\" -H \"$staging_host\" \u003e\u003e ~/.ssh/known_hosts 2\u003e/dev/null\necho \"SSH keyscan done\"\n\n# 测试SSH连接\nssh -p \"$staging_port\" -i \"$key_path\" -o StrictHostKeyChecking=no \"${staging_user}@${staging_host}\" \"echo SSH_CONNECTION_OK \u0026\u0026 hostname\"\necho \"SSH connection verified\"\n\n# 读取部署脚本并通过SSH执行\nbash scripts/ci_staging_deploy.sh | ssh -p \"$staging_port\" -i \"$key_path\" -o StrictHostKeyChecking=no \"${staging_user}@${staging_host}\" \"IMAGE_TAG=\'${GITHUB_SHA}\' REGISTRY_TOKEN=\'${REGISTRY_TOKEN}\' sh\"\n"
+      run: "set -eux\nstaging_host=\"${STAGING_SSH_HOST:-47.98.113.167}\"\nstaging_user=\"${STAGING_SSH_USER:-root}\"\nstaging_port=\"${STAGING_SSH_PORT:-22222}\"\necho \"Host: $staging_host\"\necho \"Port: $staging_port\"\n\nmkdir -p ~/.ssh\n\n# 查找可用的SSH密钥\nkey_path=\"\"\nif [ -f /root/.ssh/xiaoxia_runtime_builder ]; then\n  key_path=\"/root/.ssh/xiaoxia_runtime_builder\"\n  echo \"Using key: $key_path (builder key)\"\nelif [ -f \"$HOME/.ssh/xiaoxia_runtime_builder\" ]; then\n  key_path=\"$HOME/.ssh/xiaoxia_runtime_builder\"\n  echo \"Using key: $key_path (home key)\"\nelif [ -n \"${STAGING_SSH_KEY:-}\" ]; then\n  key_path=\"$HOME/.ssh/id_ed25519\"\n  printf \'%s\\n\' \"$STAGING_SSH_KEY\" \u003e \"$key_path\"\n  chmod 600 \"$key_path\"\n  echo \"Using key from STAGING_SSH_KEY secret\"\nelse\n  echo \"ERROR: No SSH key available\"\n  ls -la ~/.ssh/ 2\u003e/dev/null || true\n  ls -la /root/.ssh/ 2\u003e/dev/null || true\n  exit 1\nfi\n\nssh-keyscan -p \"$staging_port\" -H \"$staging_host\" \u003e\u003e ~/.ssh/known_hosts 2\u003e/dev/null\necho \"SSH keyscan done\"\n\n# 测试SSH连接\nssh -p \"$staging_port\" -i \"$key_path\" -o StrictHostKeyChecking=no \"${staging_user}@${staging_host}\" \"echo SSH_CONNECTION_OK \u0026\u0026 hostname\"\necho \"SSH connection verified\"\n\n# 读取部署脚本并通过SSH执行\ncat scripts/ci_staging_deploy.sh | ssh -p \"$staging_port\" -i \"$key_path\" -o StrictHostKeyChecking=no \"${staging_user}@${staging_host}\" \"IMAGE_TAG=\'${GITHUB_SHA}\' REGISTRY_TOKEN=\'${REGISTRY_TOKEN}\' sh\"\n"
     - name: Staging health check + auto rollback
       if: success()
       shell: sh