Initial commit: split VNOX monorepo into VNOX-Client

Desktop client with egui + wgpu UI, audio pipeline (cpal/opus/rodio),
networking (LNEx protocol), and identity management with encrypted vault.

Jitter buffer module extracted from voice-node for standalone operation.

src/ui/state/default.rs

@@ -0,0 +1,152 @@
+use std::collections::{HashMap, HashSet};
+use std::time::Instant;
+
+use super::models::{default_bookmarks, now_utc_hms};
+use super::types::{ConnState, UiState, VoiceUiState};
+
+impl Default for UiState {
+    fn default() -> Self {
+        Self {
+            conn: ConnState::Disconnected,
+            connect_input: "127.0.0.1:7600".into(),
+            bookmarks: default_bookmarks(),
+            selected_bookmark: 0,
+            status_msg: None,
+            channels: Vec::new(),
+            active_channel: None,
+            messages: Default::default(),
+            chat_input: String::new(),
+            editing_message_id: None,
+            replying_to: None,
+            context_menu_message_id: None,
+            scroll_bottom: false,
+            voice: VoiceUiState::Off,
+            voice_joined_at: None,
+            user_names: Default::default(),
+            server_channel: None,
+            rtt_ms: None,
+
+            settings_open: false,
+            settings_page: Default::default(),
+
+            mic_enabled: true,
+            deafen: false,
+            noise_suppress: true,
+            echo_cancel: true,
+            vad_mode: 0,
+            vad_threshold: 40.0,
+            voice_bitrate: 64.0,
+            packet_interval: 1,
+            mic_device: 0,
+            input_volume: 80.0,
+            input_device_labels: vec!["Default".into()],
+            input_device_metas: Vec::new(),
+            output_device_labels: vec!["Default".into()],
+            output_device_metas: Vec::new(),
+            last_device_scan: None,
+
+            output_device: 0,
+            output_volume: 90.0,
+            jitter_size: 1,
+            adaptive_buffer: true,
+
+            overlay_enabled: false,
+            overlay_speakers: true,
+            overlay_latency: true,
+
+            relay_enabled: true,
+            relay_address: "relay.nightcore.lnex".into(),
+            auto_relay: true,
+            force_relay: false,
+            udp_port: "7700".into(),
+            auto_reconnect: true,
+
+            ui_scale: 100.0,
+
+            kb_ptt: "mouse4".into(),
+            kb_mute: "ctrl+m".into(),
+            kb_deafen: "ctrl+d".into(),
+            kb_overlay: "ctrl+shift+o".into(),
+
+            log_level: 0,
+            log_voice_packets: false,
+            show_packet_stats: false,
+            disable_encryption: false,
+
+            guilds: Vec::new(),
+            active_guild_id: None,
+            presences: Default::default(),
+            presence_status: Some("online".into()),
+            custom_status: None,
+            activity_type: None,
+            activity_text: None,
+            friends: Vec::new(),
+            pending_friend_requests: Vec::new(),
+            blocked_users: Vec::new(),
+            block_input: None,
+            block_list_fetched_at: None,
+            dm_conversations: Vec::new(),
+            dm_messages: Default::default(),
+            active_dm_id: None,
+            new_dm_input: None,
+
+            add_server_open: false,
+            add_server_input: String::new(),
+            invite_accept_open: false,
+            invite_accept_code: String::new(),
+            create_guild_open: false,
+            create_guild_input: String::new(),
+
+            create_channel_open: false,
+            create_channel_input: String::new(),
+            create_channel_kind: "text".into(),
+
+            vault_set_open: false,
+            vault_remove_open: false,
+            vault_passphrase_input: String::new(),
+            vault_passphrase_confirm: String::new(),
+            vault_error: None,
+
+            export_keyfile_open: false,
+            export_keyfile_pass: String::new(),
+            export_keyfile_confirm: String::new(),
+            export_keyfile_output: String::new(),
+            export_keyfile_error: None,
+            import_keyfile_open: false,
+            import_keyfile_input: String::new(),
+            import_keyfile_pass: String::new(),
+            import_keyfile_error: None,
+
+            audit_log_open: false,
+            audit_log_guild_id: None,
+            audit_log_entries: Vec::new(),
+
+            guild_members_open: false,
+            guild_member_list_guild_id: None,
+            guild_member_list: Vec::new(),
+            guild_role_list_guild_id: None,
+            guild_role_list: Vec::new(),
+
+            add_friend_open: false,
+            add_friend_input: String::new(),
+
+            dm_search_query: String::new(),
+            user_colors: HashMap::new(),
+            per_user_volumes: Default::default(),
+            kb_listening: None,
+
+            private_mode: false,
+
+            collapsed_categories: HashSet::new(),
+            startup_time_str: now_utc_hms(),
+            typing_users: HashMap::new(),
+            last_typing_send: Instant::now(),
+            read_receipts: HashMap::new(),
+            friends_tab: "all".into(),
+            local_speaking: false,
+            remote_speaking: false,
+            last_remote_speaker_id: String::new(),
+            last_voice_packet_ms: 0,
+        }
+    }
+}