update firmware version and build date

examples/companion_radio/MyMesh.h

@@ -8,7 +8,7 @@
 #define FIRMWARE_VER_CODE 8
 
 #ifndef FIRMWARE_BUILD_DATE
-#define FIRMWARE_BUILD_DATE "24 Feb 2026"
+#define FIRMWARE_BUILD_DATE "25 Feb 2026"
 #endif
 
 #ifndef FIRMWARE_VERSION

variants/lilygo_tdeck_pro/platformio.ini

@@ -80,7 +80,7 @@ build_flags =
   -D PIN_DISPLAY_BL=45
   -D PIN_USER_BTN=0
   -D CST328_PIN_RST=38
-  -D FIRMWARE_VERSION='"Meck v0.9.3A"'
+  -D FIRMWARE_VERSION='"Meck v0.9.4A"'
   -D ARDUINO_LOOP_STACK_SIZE=32768
 build_src_filter = ${esp32_base.build_src_filter}
   +<../variants/LilyGo_TDeck_Pro>
@@ -127,8 +127,8 @@ extends = LilyGo_TDeck_Pro
 build_flags =
   ${LilyGo_TDeck_Pro.build_flags}
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=350
-  -D MAX_GROUP_CHANNELS=40
+  -D MAX_CONTACTS=400
+  -D MAX_GROUP_CHANNELS=20
   -D OFFLINE_QUEUE_SIZE=256
   -D MECK_AUDIO_VARIANT
 build_src_filter = ${LilyGo_TDeck_Pro.build_src_filter}
@@ -162,6 +162,28 @@ build_src_filter = ${LilyGo_TDeck_Pro.build_src_filter}
   +<../examples/companion_radio/*.cpp>
   +<../examples/companion_radio/ui-new/*.cpp>
   +<helpers/ui/GxEPDDisplay.cpp>
+lib_deps =
+  ${LilyGo_TDeck_Pro.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
+  ; 4G standalone (4G modem hardware, no BLE — maximum battery + modem features)
+[env:meck_4g_standalone]
+extends = LilyGo_TDeck_Pro
+build_flags =
+  ${LilyGo_TDeck_Pro.build_flags}
+  -I examples/companion_radio/ui-new
+  -D MAX_CONTACTS=400
+  -D MAX_GROUP_CHANNELS=20
+  -D OFFLINE_QUEUE_SIZE=256
+  -D HAS_4G_MODEM=1
+  -D MECK_WEB_READER=1
+  -D FIRMWARE_VERSION='"Meck v0.9.4-4G-SA"'
+build_src_filter = ${LilyGo_TDeck_Pro.build_src_filter}
+  +<helpers/esp32/*.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-new/*.cpp>
+  +<helpers/ui/GxEPDDisplay.cpp>
 lib_deps =
   ${LilyGo_TDeck_Pro.lib_deps}
   densaugeo/base64 @ ~1.4.0