Новый модуль src/radio (radio/radio_audio/radio_headless) — push-to-talk
радио поверх topo-групп, доставка аудио в канал, headless-режим и тесты.
Интеграция в chatgui (ptt_hotkey_manager, radio_audio_engine, радионастройки,
вызовы) и chatgui-android (RadioAudioEngine, RadioOverlayService, UI).
- категория connection теперь только жизненный цикл соединения; INIT/PING/keepalive
переклассифицированы в ETCP/SOCKET/KEEPALIVE/REALITY/ROUTING, удалены дубли
- settingsdialog: устранён дубль my_node_name в конфиге (двухпроходная запись + только при изменении)
- storagesettingspage: канонические ключи storage_total_size/storage_unit_size с суффиксом M/G
- audiodevicesettingspage: compressor_max_gain_db min 0→1
- etcp_connections: %s-баг в логе TCP link (addr → sockaddr_storage_to_str)
- docs/sample: [chatserver], актуализированы ключи хранилища
- u_async.c: process immediate_queue BEFORE epoll_wait in uasync_poll
- stcp_link.c: defensive NULL etcp_conn/etcp_link in stcp_link_close
- utun_instance.c: move stcp_server_list_destroy_all to Phase J (before ETCP),
add deferred drain in both Phase J and L
- stcp.h/c: STCP_HS_ENC_CLIENT 6→38, STCP_HS_ENC_SERVER 7→39,
exchange ed25519_pubkey in both handshake directions
- etcp_connections.c: copy peer_ed25519 from STCP to ETCP_CONN in
etcp_link_enter_ready_tcp; guard link->etcp in tcp_link_close_cb
- chat_sync.c: fix lk->conn NULL dereference for TCP links
- test_stcp.c: update stcp_server_create/stcp_client_connect callsites
- tools/chat_tcp_test: change transport udp→tcp
- Add last_msg_at column to channels table
- Update last_msg_at on every message insert (send/receive)
- Parameterize getChannels() with ChannelSortMode enum (Alphabetical/Recent)
- Add getChannelLastMessage() for preview text in channel list
- Add sorting combo to Profile settings page (stored in ui_state)
- Reload channels on message receive when sort is recent
- Sound files loaded from filesystem (sound_dir in INI config, absolute or relative)
- Per-event enable/disable + volume stored in DB (ui_state table)
- SoundManager: setEvent(), effective volume = master * per-event
- SoundSettingsPage UI: 4 event rows (checkbox + slider)
- chat_core_save_ui_state() for async DB writes via uasync thread
- DbManager::getUiStateInt() for reading settings from GUI thread
- Default sounds copied to sounds/ dir next to DB, config entries written
- NodesPage: show full 64-bit Node ID (hex16) instead of truncated 4 hex chars
- NodesPage: show diagnostic when DB handle is NULL (was silent return)
- DatabaseSettingsPage: show 'Database not connected' when DB handle is NULL
- DatabaseSettingsPage: add refreshStatus() called on tab select
- SettingsDialog: refresh Database tab on category change