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J. Nick Koston
2e490d9121
Extract the keepalive ping/disconnect cold path into a separate noinline check_keepalive_() method. This code only fires once per minute but was contributing ~110 bytes to the hot loop() body that runs every ~16ms. Results on ESP32 (xtensa): - loop(): 374 → 263 bytes (-111 bytes, -30%) - check_keepalive_(): 136 bytes (new, cold path) - Net: +25 bytes total (call overhead), but the hot path icache footprint is significantly reduced.
