sync update from LAN repo (source dhk-1 @ 3b1ec5b4)

scripts/start_backend-online.sh

@@ -76,6 +76,7 @@ require_file "${EXTENSIONS_CONFIG_TEMPLATE}"
 require_file "${SCRIPT_DIR}/backend/pyproject.toml"
 require_file "${SCRIPT_DIR}/backend/app/gateway/app.py"
 require_file "${SCRIPT_DIR}/backend/packages/harness/deerflow/runtime/scheduler/element.py"
+mkdir -p "${SCRIPT_DIR}/skills/public" "${SCRIPT_DIR}/skills/custom"
 require_dir "${SCRIPT_DIR}/skills"
 require_dir "${SCRIPT_DIR}/wheelhouse"
 # Knowledge base directory, mounted into the container at /mnt/knowledge_base.