Pulsar Proxy heap grows unbounded due to TopicName cache, leading to OOM after many topic create/delete cycles

Pulsar Proxy heap grows unbounded due to TopicName cache, leading to OOM after many topic create/delete cycles: a task in LegoFlow-SWE (Harbor dataset). In environments that create and delete many unique topics (e.g., automated tests, dynamic multi‑tenant setups), the Pulsar Proxy eventually runs…