Snapshot Beep + WAV UI before Pomodoro rewrite.

Keep LEDC tones, TF WAV playback, and compact list layout as a tagged baseline.

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

platformio.ini

@@ -3,7 +3,8 @@
 platform = espressif32
 board = esp32dev
 framework = arduino
-monitor_speed = 115200
+monitor_speed = 460800
+upload_speed = 460800
 board_build.partitions = default.csv
 
 lib_deps =
@@ -47,6 +48,8 @@ build_flags =
   -DLV_USE_BUTTON=1
   -DLV_USE_LABEL=1
   -DLV_USE_BAR=1
+  -DLV_USE_SLIDER=1
+  -DLV_USE_TABVIEW=1
   -I${PROJECT_DIR}/include
 
 extra_scripts = pre:copy_lv_conf.py