Core/SDK version, flash layout, settings files and the hidden /d
hardware page whose Debug mode enables web OTA at /u.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Notes on the RetroModding IN-12 v2 clock (pinout, programming header,
plan for ESP_UniClock) and the maker's v2 schematic.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>