[B0N3-GD]

The repeater and room-server envs with a display stopped compiling at the 1.17 merge. meshcomod's extended UIs for them still used DisplayDriver::LIGHT/GREEN/RED/..., but upstream replaced that enum with UIColor roles in b8504e5. The companion was ported at the time; these two UIs were not. meshcomod only releases companion firmware, so nothing noticed.

Changes

• Palette port. Both UIs now use the same roles the companion OLED UI uses for the same pages: page titles corp_blue, content primary_txt, problems and waiting states warning_txt, the alert overlay popup_bkg/popup_txt, and the OTA bar background window_bkg. On the mono OLEDs every role except the backgrounds is "on", so they look as before. On TFT and e-ink they pick up the shared theme.
• repeater_tcp passes the board to UITask. Its constructor gained that parameter upstream in 2efb3af (poweroff on long press), and this main was never updated.
• esp32_base also compiles SdNvsPrefs.cpp. It already compiled WifiRuntimeStore.cpp for every ESP32 env, but that store has used SdNvsPrefs since beta_17. Envs that don't pull in helpers/esp32/*.cpp (repeater_tcp) failed to link. build_as_lib.py already drops the file for wadamesh's vendored build. It costs 414 bytes on a C3 repeater.
• Room server UITask::begin. Drops the version-string block the 1.17 merge appended after ours. On boards without a user button it redeclared version (Xiao S3 WIO did not compile). On multitransport builds it overwrote the version string the splash expects.

Verification

Built and passing:

• heltec_v4_repeater, heltec_v4_repeater_tcp, heltec_v4_tft_repeater_tcp
• Heltec_v3_repeater, Heltec_v3_repeater_tcp
• heltec_v4_room_server_multitransport, heltec_v4_tft_room_server_multitransport, Heltec_v3_room_server_multitransport, Heltec_Wireless_Paper_room_server_multitransport, Xiao_S3_WIO_room_server_multitransport
• Companion regression check: heltec_v4_companion_radio_usb_tcp and ThinkNode_M7_companion_radio_ble

Also test-merged with #60 (MeshCore v1.18): there are no conflicts, and heltec_v4_repeater_tcp, heltec_v4_room_server_multitransport and Heltec_v3_repeater build on the merged tree. The two PRs can land in either order.

Not tested on hardware. I don't have a repeater or room server running here.

Still broken, not from this change

These are upstream boards meshcomod doesn't ship:

• The Xiao C3 repeater and room server are about 15 to 20 KB over their 1.25 MB app partition, with or without this change.
• The Xiao C6 fails inside the ESP-IDF Bluetooth headers when NimBLE 1.4.3 builds on Arduino core 3.x.

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