rate-limiting-implementation

No evidence of malicious behavior, data theft, backdoors, credential harvesting, or suspicious network activity is present. The code contains a material rate-limiting logic flaw: requests that exceed the limit are incorrectly reported as allowed because zero remaining points satisfies `remaining >= 0`. This also prevents configured blocking from being applied. Change the condition to distinguish the script's exceeded result, such as returning an explicit allowed flag or using a negative sentinel value. Validate key and configuration inputs to prevent collisions and invalid limits.