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Zustand-reset-manager fixes multi-user state leaks across 20+ stores on logout

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When multiple users share a device, residual Zustand store data from a previous session can inadvertently expose sensitive information like carts or permissions to the next user. Common reset patterns using Zustand's default set() fail in four key ways: frozen dynamic values, merge-instead-of-replace behavior, forgotten stores, and persist rehydration race conditions. A developer who encountered all four issues built an open-source utility called zustand-reset-manager to address them centrally. The library uses a store registry so every resettable store is automatically included in a single logout call, eliminating the risk of missing a newly added store. It is MIT-licensed, has zero runtime dependencies, and is compatible with both Zustand v4 and v5.

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