The default behavior for policy in horizon is that if the rule is not defined, the policy engine in horizon returns True which means the action is allowed. I see nowhere that value is overridden. I'm not sure you have found the root of the problem.
The default behavior for policy in horizon is that if the rule is not defined, the policy engine in horizon returns True which means the action is allowed. I see nowhere that value is overridden. I'm not sure you have found the root of the problem.