dangernoodle-io / TaipanMiner / 26789054276

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feat: enable pull-OTA on single-core esp32-c3 (breadboard v0.45.0) (#487)

re-pins breadboard to v0.45.0, which lands the bb_ota_pull single-core
fixes (download-loop yield, bb_ota_pull_set_task_priority, whole-download
retry) and bb_system_wdt_set_timeout.

single-core boards run the miner (prio 20) and the ota-pull worker on the
same core. two TM changes make a github pull-OTA complete on the c3:

- sdkconfig: software mbedtls AES (the HW esp-aes DMA alloc fails under
  fragmentation), plus WiFi IRAM->flash and a smaller log-stream ring to
  free DRAM so the TLS manifest check is reliable.
- main.c: raise the ota-pull worker above the miner (prio 21), mirroring
  the update-check worker, so it can preempt mining and call the pause
  hook. mining suspends for the download, the idle task gets fed (no
  task_wdt), and the TCP consumer drains WiFi RX so the heap stays healthy
  (min ~90KB during a full download).

validated on-device: full pull of a release tag completes, reboots clean
(reset software), marks valid via accepted shares, no abnormal-reset
increment.

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

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