docs: prepare api contract for lilygo transition

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2026-06-09 15:05:29 -06:00
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@@ -250,3 +250,16 @@ This contract should guide future ESP32-S3 dashboard work so dashboard firmware
## Pre-LilyGO Baseline
Before migrating Cargo ESP hardware to a LilyGO T-Relay-S3 or other expanded-output controller, use `docs/pre-lilygo-baseline-checklist.md` to confirm the current 2-channel Cargo ESP baseline is stable enough to tag.
## LilyGO Ordered / Transition Plan
The LILYGO T-Relay-S3 6-way board has been ordered but is not yet the active hardware target.
Current testing continues on the original 2-channel relay board.
Near-term work should prepare the Cargo ESP API and configuration model so the future LilyGO migration is a hardware-profile change instead of an API redesign.
Primary goal:
- Keep 2-channel testing functional now.
- Support future 6-output rendering/control cleanly through the same API shape.