Update readme. Update build date. Fix stale comments in Max ini.

variants/lilygo_tdeck_max/platformio.ini

@@ -5,7 +5,7 @@
 ;
 ; Key differences from LilyGo_TDeck_Pro (V1.1):
 ;   - Peripheral power controlled via XL9555 (not direct GPIO)
-;   - 4G modem and ES8311 audio coexist (no longer mutually exclusive)
+;   - 4G modem and ES8311 audio work at the same time (not mutually exclusive)
 ;   - ES8311 I2C codec replaces PCM5102A (different I2S pins, needs I2C config)
 ;   - Several GPIO reassignments (see variant.h for full map)
 ;   - 1500 mAh battery (was 1400)
@@ -16,13 +16,10 @@
 ;   SD card, text reader, notes, contacts, channels, settings, discovery,
 ;   last heard, repeater admin, web reader (WiFi builds), OTA update.
 ;
-; NEEDS ADAPTATION (future work):
-;   - HAS_4G_MODEM: ModemManager uses direct GPIO for MODEM_POWER_EN/PWRKEY
-;     which are XL9555-routed on MAX. Needs board.modemPowerOn() etc.
-;   - MECK_AUDIO_VARIANT: ES8311 needs I2C codec init (PCM5102A didn't).
-;     I2S pins are different. AudiobookPlayerScreen needs ES8311 driver.
-;   - Combined 4G+audio: existing #ifdef guards treat them as mutually
-;     exclusive. Needs restructuring for coexistence.
+; 4G (Phone/SMS) and ES8311 audio both work, at the same time: the modem is
+; powered and its POWERKEY toggled via the XL9555 expander, and the ES8311
+; is initialised over I2C. Audio output is switched between the modem and
+; the codec by the XL9555 AUDIO_SEL line as needed.
 ; =============================================================================
 
 ; ---------------------------------------------------------------------------
@@ -134,7 +131,7 @@ build_flags =
   -D ARDUINO_LOOP_STACK_SIZE=32768
   -D HAS_MECK_FONTS
   ; Audio: ES8311 I2C codec (MAX). Enables the audio variant code paths and
-  ; the native ES8311 init. 4G modem stays disabled until audio is solid.
+  ; the native ES8311 init. The 4G modem runs alongside it (HAS_4G_MODEM).
   -D MECK_AUDIO_VARIANT=1
   -D HAS_ES8311_AUDIO=1
 build_src_filter = ${esp32_base.build_src_filter}
@@ -158,13 +155,12 @@ lib_deps =
 
 
 ; ===========================================================================
-; Meck MAX builds — LoRa mesh works out of the box on all variants.
-; 4G modem and ES8311 audio need adaptation before they can be enabled.
+; Meck MAX builds — LoRa mesh, 4G modem and ES8311 audio all work on every
+; variant (the modem and codec share one board via the XL9555 expander).
 ; ===========================================================================
 
-; MAX + BLE companion (standard BLE phone bridging)
-; Both 4G + audio hardware present but not yet enabled in firmware.
-; BLE_PIN_CODE limit: MAX_CONTACTS=500 (BLE protocol ceiling).
+; MAX + BLE companion (standard BLE phone bridging).
+; 4G modem and ES8311 audio both active.
 [env:meck_max_ble]
 extends = LilyGo_TDeck_Pro_Max
 build_flags =