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J. Nick Koston
3187ab9208
The set_timeout lambda captured a psk_t (std::array<uint8_t, 32>) by value, making the lambda 36 bytes — well beyond the std::function small buffer optimization threshold, forcing a heap allocation. Re-read the PSK from preferences inside the timeout callback instead. The PSK was just saved to flash moments before the timeout was scheduled, so re-reading it is reliable and avoids the large capture. Extract load_and_apply_noise_psk_() helper to deduplicate the load-from-preferences-and-apply pattern used in both setup() and the timeout callback.
