def visit_BinOp(self, node: ast.BinOp):
        """Check for possible unsafe operations like concatenating strings with commands."""
        # This could be useful to detect `eval("os." + "system")`
        if isinstance(node.left, ast.Constant) and isinstance(node.right, ast.Constant):
            self.unsafe_items.append(("Possible unsafe string concatenation", node.lineno))
        self.generic_visit(node)
Check for possible unsafe operations like concatenating strings with commands.
sandbox/executor_manager/services/security.py