dangernoodle-io / TaipanMiner / 26790244429

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perf(esp32-c3): restore hardware AES for ~6x faster OTA pull (#488)

the c3 delta forced software mbedtls AES (CONFIG_MBEDTLS_HARDWARE_AES=n)
because the esp-aes per-record DMA alloc failed during OTA. that failure
was heap fragmentation from running the pull with mining un-paused, not a
real HW-AES limitation. now that the ota-pull worker outranks the miner
(prio 21, shipped in the previous commit) and mining pauses for the
download, the heap stays healthy (min ~90KB) and the DMA alloc succeeds.

keep HW AES explicitly on. measured on-device: a full ~1.4MB github pull
drops from ~225s (software AES) to ~35s, two clean runs (reset software,
no esp-aes alloc error, marks valid).

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

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