Add RAK WisMesh Repeater Mini V2 and HP variants (#10918)

* fix(esp32): skip RTC timer wake on user shutdown

Do not arm esp_sleep_enable_timer_wakeup when msecToWake is portMAX_DELAY (UI shutdown), matching nRF52 system_off semantics.

fix(rak_wismesh_tap_v2): Tag OCV curve and 16MB partition

Add OCV_ARRAY matching WisMesh Tag for accurate SOC. Use 16MB flash partition scheme for TAP V2 hardware.

Co-authored-by: Cursor <cursoragent@cursor.com>

* Trunkt

* Add RAK WisMesh Repeater Mini V2 and HP variants
Introduce rak_wismesh_repeater_mini (RAK4631) and
rak_wismesh_repeater_mini_hp (RAK3401) with low-VDD System OFF.
Skip LPCOMP battery wake on user-initiated shutdown to avoid
immediate reboot near the LPCOMP threshold; keep LPCOMP for
brownout-driven shutdown via variant_enableBatteryLpcompWake.

* docs(variants): update RAK BOM numbers for Repeater Mini V2 & HP

* chore: run trunk fmt

---------

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

variants/nrf52840/rak4631/platformio.ini

@@ -44,6 +44,18 @@ lib_deps =
   # renovate: datasource=git-refs depName=RAK12034-BMX160 packageName=https://github.com/RAKWireless/RAK12034-BMX160 gitBranch=main
   https://github.com/RAKWireless/RAK12034-BMX160/archive/dcead07ffa267d3c906e9ca4a1330ab989e957e2.zip
 
+; RAK10728 WisMesh Repeater Mini V2 (RAK4631 + RAK19003 + solar battery + GPS module)
+[env:rak_wismesh_repeater_mini]
+extends = env:rak4631
+custom_meshtastic_display_name = RAK WisMesh Repeater Mini V2
+custom_meshtastic_images = rak4631.svg
+build_flags =
+  ${env:rak4631.build_flags}
+  -D WISMESH_REPEATER_MINI
+  -DLOW_VDD_SYSTEMOFF_DELAY_MS=5000
+  -DSAFE_VDD_VOLTAGE_THRESHOLD_MV=2900
+  -DSAFE_VDD_VOLTAGE_THRESHOLD_HYST_MV=100
+
 ; If not set we will default to uploading over serial (first it forces bootloader entry by talking 1200bps to cdcacm)
 ; Note: as of 6/2013 the serial/bootloader based programming takes approximately 30 seconds
 ;upload_protocol = jlink