Records what d4b2ab7 did and what genuinely remains: confirming the left-edge
artefacts by eye (the timing win was measured, the visual result was not),
OTA download logic, optional backlight scheduling, and the thermostat itself.
Co-Authored-By: Claude <noreply@anthropic.com>
Records the design-level suggestions from the 2026-08-03 review that were
not part of dd2d428 (UI freeze during fetches, stale-data indication,
debug readout removal, dead utils.c, OTA partitions, small cleanups),
plus the facts already verified and questions already answered so a
future agent does not re-derive or re-ask them.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>