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Remove the M5Stack Gray variant from the fleet
The M5Stack Gray is retired (owner-approved): the fleet drops from 9 to 8
device variants. This removes the Gray as a build target / device while
keeping every reusable driver and HAL layer intact.
Removed (Gray-exclusive wiring only):
- variants/m5stack_gray/ (variant.h, ini, sdkconfig, the four envs)
- src/boards/board_gray.cpp (the DEVICE_ID==5 board-registry factory)
- the web installer mockup (gray.svg + screen png) and app.js entry
- docs/hardware/devices/m5stack-gray.md and every fleet-list / inventory
/ identifier / secure-availability row across docs, CI, and instructions
Kept (per owner: preserve tested drivers/HAL even with no current consumer):
- the IP5306 PMIC driver family (src/drivers/power/ip5306*) — Gray was its
only board; still native-validated by test_small_pmic_regmaps
- the classic-ESP32 RTC_CNTL MMIO regmap (rtc_cntl_esp32_regmap.h) — Gray
was the only classic internal-RTC board; still native-validated
- board_gray_log_wrap.cpp renamed to board_log_printf_wrap.cpp: the
__wrap_log_printf stub is fleet-wide (esp32_base defines the gate), not
Gray-specific
DEVICE_ID 5 is retired and left unused so the remaining ids stay stable.
CI covering set rebalanced (Gray was the classic-ESP32 representative):
sticks3, tdeck, cores3_se, m5core_ink, m5stickc_plus2. m5stickc_plus2
(classic ESP32 + ST7789 full-frame polling + 8 MB OTA) replaces the Gray's
classic-ESP32 + OTA + polling coverage. core2_v13 is intentionally not added
to CI: it is an "Initial" WIP board that currently overflows DRAM at link
(pre-existing), so it cannot be a green gate member.
Native tests 2306/2306. Base envs build green for the new CI set
(sticks3, m5stickc_plus2, tdeck, cores3_se, m5core_ink).
Claude-Session: https://claude.ai/code/session_01P6BNTpbgrvnZXSJnNuj8ZJ
Redesign flash tool as project showcase with real screenshots
Transform the landing page into a project preview:
- Hero section with "Próximamente" badge, tagline and feature pills
- Device cards now show actual in-app screenshots (gray, cores3, cardputer,
tdeck, plus2/plus1, sticks3) with SVG device thumbnail alongside
- Add M5Stack CoreS3 SE as a coming-soon device entry
- Update copy to Spanish; add feature pills (TOTP, BLE, AES-256, flasher)
- CSS: 4-col device grid, screenshot-first card layout, cleaner header/footer
