Developer A: We’re seeing a intermittent KeyError in the cache lookups., Developer B: Let’s reproduce under a stress test and add logging for the specific key values., Developer A: I found that the cache key isn’t initialized in a rare race condition., Developer B: I’ll add a safe initialization and a retry guard. We should also add a unit test for this scenario., Developer A: Good plan. I’ll push a fix and run the suite again.

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