- Remove toolbar and card container, use full-screen 0x11111B background like Mp3Player
- Close button top-left, top status shows count, not selected filename
- Memo list 92%x70% at TOP_MID 38, 76% height to remove dead space (lowered 10px per request)
- List items show date parsed from memo_YYYYMMDD_HHMMSS + duration from WAV header (mm:ss)
- Selection highlight fixed: direct bg 0x3A5A40 + border/text 0xA6E3A1 green via set_memo_btn_highlight(), auto-select first item
- Playback UI: hide list when PLAYING/PAUSED/RECORDING, show centered player box with title, player status, progress bar, time label mm:ss/mm:ss (like Mp3Player)
- Volume slider separate object above buttons (82% width, 6px), visible only when playing, persisted to volume.txt like Mp3Player
- Bottom controls pulled to bottom edge (44px height at -2) with no dead space
- Audio improvements: AUDIO_BUF_SIZE 8192, CHUNK_SAMPLES 1024, MIC_BOOST_PERCENT 250 software gain with clipping to compensate quiet MEMS mic at 100%% hw gain (24dB ES8311 limit)
- Increased chunk for smoother playback and reduced I/O overhead
Adolfo
1999d2c510