refactor: 简化运行时与服务协调

提取运行时生命周期管理，集中远程访问与 USB 协调，并缩小 Web 路由状态依赖。

src/main.rs

@@ -3,43 +3,20 @@ use std::future::Future;
 use std::io::Write;
 use std::net::{IpAddr, SocketAddr};
 use std::path::{Path, PathBuf};
-use std::sync::Arc;
 
 use axum_server::tls_rustls::RustlsConfig;
 use clap::{Args, Parser, Subcommand, ValueEnum};
 use futures::{stream::FuturesUnordered, StreamExt};
 use rustls::crypto::{ring, CryptoProvider};
-use tokio::sync::{broadcast, mpsc};
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 
-use one_kvm::atx::AtxController;
-use one_kvm::audio::{AudioController, AudioControllerConfig, AudioQuality};
 use one_kvm::auth::{SessionStore, TwoFactorService, UserStore};
-use one_kvm::computer_use::ComputerUseManager;
-use one_kvm::config::{self, AppConfig, ConfigStore};
+use one_kvm::config;
 use one_kvm::db::DatabasePool;
-use one_kvm::events::EventBus;
-use one_kvm::extensions::ExtensionManager;
-use one_kvm::hid::{HidBackendType, HidController};
-#[cfg(unix)]
-use one_kvm::msd::MsdController;
-#[cfg(unix)]
-use one_kvm::otg::OtgService;
 use one_kvm::platform::PlatformCapabilities;
-use one_kvm::rtsp::RtspService;
-use one_kvm::rustdesk::RustDeskService;
-use one_kvm::state::{AppState, ShutdownAction};
-use one_kvm::update::UpdateService;
+use one_kvm::runtime::{RuntimeBuilder, WebConfigOverrides};
+use one_kvm::state::ShutdownAction;
 use one_kvm::utils::bind_tcp_listener;
-use one_kvm::video::codec_constraints::{
-    enforce_constraints_with_stream_manager, validate_third_party_codec_compatibility,
-    StreamCodecConstraints,
-};
-use one_kvm::video::format::{PixelFormat, Resolution};
-use one_kvm::video::{Streamer, VideoStreamManager};
-use one_kvm::vnc::VncService;
-use one_kvm::web;
-use one_kvm::webrtc::{WebRtcStreamer, WebRtcStreamerConfig};
 
 #[derive(Debug, Clone, Copy, Default, ValueEnum)]
 enum LogLevel {
@@ -147,28 +124,20 @@ async fn main() -> anyhow::Result<()> {
         return Ok(());
     }
 
-    let (db, config_store, mut config) = load_runtime_config(&data_dir).await?;
-
-    if let Some(addr) = args.address {
-        config.web.bind_address = addr.clone();
-        config.web.bind_addresses = vec![addr];
-    }
-    if let Some(port) = args.http_port {
-        config.web.http_port = port;
-    }
-    if let Some(port) = args.https_port {
-        config.web.https_port = port;
-    }
-    if args.enable_https {
-        config.web.https_enabled = true;
-    }
-
-    if let Some(cert_path) = args.ssl_cert {
-        config.web.ssl_cert_path = Some(cert_path.to_string_lossy().to_string());
-    }
-    if let Some(key_path) = args.ssl_key {
-        config.web.ssl_key_path = Some(key_path.to_string_lossy().to_string());
-    }
+    let overrides = WebConfigOverrides {
+        address: args.address,
+        http_port: args.http_port,
+        https_port: args.https_port,
+        enable_https: args.enable_https,
+        ssl_cert: args.ssl_cert,
+        ssl_key: args.ssl_key,
+    };
+    let mut runtime = RuntimeBuilder::new(data_dir.clone())
+        .with_web_overrides(overrides)
+        .build()
+        .await?;
+    let config = runtime.config();
+    let state = runtime.state().clone();
 
     let bind_ips = resolve_bind_addresses(&config.web)?;
     let scheme = if config.web.https_enabled {
@@ -187,500 +156,12 @@ async fn main() -> anyhow::Result<()> {
         tracing::info!("Server will listen on: {}://{}", scheme, addr);
     }
 
-    let session_store = SessionStore::new(config.auth.session_timeout_secs as i64);
-
-    let user_store = UserStore::new(db.clone_pool());
-    let two_factor = TwoFactorService::new(db.clone_pool());
-
-    let (shutdown_tx, _) = broadcast::channel::<ShutdownAction>(1);
-
-    let events = Arc::new(EventBus::new());
-    tracing::info!("Event bus initialized");
-
-    let (video_format, video_resolution) = parse_video_config(&config);
-    tracing::debug!(
-        "Parsed video config: {} @ {}x{}",
-        video_format,
-        video_resolution.width,
-        video_resolution.height
-    );
-
-    let streamer = Streamer::new();
-    streamer.set_event_bus(events.clone()).await;
-    if let Some(ref device_path) = config.video.device {
-        if let Err(e) = streamer
-            .apply_video_config(
-                device_path,
-                video_format,
-                video_resolution,
-                config.video.fps,
-            )
-            .await
-        {
-            tracing::warn!(
-                "Failed to initialize video with config: {}, will auto-detect",
-                e
-            );
-        } else {
-            tracing::info!(
-                "Video configured: {} @ {}x{} {}",
-                device_path,
-                video_resolution.width,
-                video_resolution.height,
-                video_format
-            );
-        }
-    }
-
-    let webrtc_streamer = {
-        let webrtc_config = WebRtcStreamerConfig {
-            resolution: video_resolution,
-            input_format: video_format,
-            fps: config.video.fps,
-            bitrate_preset: config.stream.bitrate_preset,
-            encoder_backend: one_kvm::stream_encoder::encoder_type_to_backend(
-                config.stream.encoder.clone(),
-            ),
-            webrtc: {
-                let mut stun_servers = vec![];
-                let mut turn_servers = vec![];
-
-                let has_custom_stun = config
-                    .stream
-                    .stun_server
-                    .as_ref()
-                    .map(|s| !s.is_empty())
-                    .unwrap_or(false);
-                let has_custom_turn = config
-                    .stream
-                    .turn_server
-                    .as_ref()
-                    .map(|s| !s.is_empty())
-                    .unwrap_or(false);
-
-                if !has_custom_stun && !has_custom_turn {
-                    use one_kvm::webrtc::config::public_ice;
-                    let stun = public_ice::stun_server().to_string();
-                    tracing::info!("Using public STUN server: {}", stun);
-                    stun_servers.push(stun);
-                } else {
-                    if let Some(ref stun) = config.stream.stun_server {
-                        if !stun.is_empty() {
-                            stun_servers.push(stun.clone());
-                            tracing::info!("Using custom STUN server: {}", stun);
-                        }
-                    }
-                    if let Some(ref turn) = config.stream.turn_server {
-                        if !turn.is_empty() {
-                            let username = config.stream.turn_username.clone().unwrap_or_default();
-                            let credential =
-                                config.stream.turn_password.clone().unwrap_or_default();
-                            turn_servers.push(one_kvm::webrtc::config::TurnServer::new(
-                                turn.clone(),
-                                username.clone(),
-                                credential,
-                            ));
-                            tracing::info!(
-                                "Using custom TURN server: {} (user: {})",
-                                turn,
-                                username
-                            );
-                        }
-                    }
-                }
-
-                one_kvm::webrtc::config::WebRtcConfig {
-                    stun_servers,
-                    turn_servers,
-                    ..Default::default()
-                }
-            },
-            ..Default::default()
-        };
-        WebRtcStreamer::with_config(webrtc_config)
-    };
-    tracing::info!("WebRTC streamer created");
-
-    #[cfg(unix)]
-    let otg_service = Arc::new(OtgService::new());
-    #[cfg(unix)]
-    tracing::info!("OTG Service created");
-
-    #[cfg(unix)]
-    if let Err(e) = otg_service
-        .apply_config(&config.hid, &config.msd, &config.otg_network, &config.uac)
-        .await
-    {
-        tracing::warn!("Failed to apply OTG config: {}", e);
-    }
-
-    let hid_backend = match config.hid.backend {
-        config::HidBackend::Otg => HidBackendType::Otg,
-        config::HidBackend::Ch9329 => HidBackendType::Ch9329 {
-            port: config.hid.ch9329_port.clone(),
-            baud_rate: config.hid.ch9329_baudrate,
-            hybrid_mouse: config.hid.ch9329_hybrid_mouse,
-        },
-        config::HidBackend::None => HidBackendType::None,
-    };
-    #[cfg(unix)]
-    let hid = Arc::new(HidController::new(hid_backend, Some(otg_service.clone())));
-    #[cfg(not(unix))]
-    let hid = Arc::new(HidController::new(hid_backend));
-    hid.set_event_bus(events.clone()).await;
-    if let Err(e) = hid.init().await {
-        tracing::warn!("Failed to initialize HID backend: {}", e);
-    }
-
-    #[cfg(unix)]
-    let msd = if config.msd.enabled {
-        let ventoy_resource_dir = data_dir.join("ventoy");
-        let controller = MsdController::new(otg_service.clone(), config.msd.msd_dir_path());
-        if let Err(e) = controller.init(&ventoy_resource_dir).await {
-            tracing::warn!("Failed to initialize MSD controller: {}", e);
-            None
-        } else {
-            controller.set_event_bus(events.clone()).await;
-            Some(controller)
-        }
-    } else {
-        tracing::info!("MSD disabled in configuration");
-        None
-    };
-
-    let atx = if config.atx.enabled {
-        let controller_config = config.atx.to_controller_config();
-        let controller = AtxController::new(controller_config);
-
-        if let Err(e) = controller.init().await {
-            tracing::warn!("Failed to initialize ATX controller: {}", e);
-            None
-        } else {
-            Some(controller)
-        }
-    } else {
-        tracing::info!("ATX disabled in configuration");
-        None
-    };
-
-    let audio = {
-        let audio_config = AudioControllerConfig {
-            enabled: config.audio.enabled,
-            device: config.audio.device.clone(),
-            quality: match config.audio.quality.parse::<AudioQuality>() {
-                Ok(q) => q,
-                Err(e) => {
-                    tracing::warn!(
-                        "Invalid audio quality in config (value={:?}): {}, using balanced",
-                        config.audio.quality,
-                        e
-                    );
-                    AudioQuality::Balanced
-                }
-            },
-        };
-
-        let controller = AudioController::new(audio_config);
-        controller.set_event_bus(events.clone()).await;
-
-        if config.audio.enabled {
-            tracing::info!(
-                "Audio enabled: {}, quality={}",
-                config.audio.device,
-                config.audio.quality
-            );
-            if let Err(e) = controller.start_streaming().await {
-                tracing::warn!("Failed to start audio streaming: {}", e);
-            }
-        } else {
-            tracing::info!("Audio disabled in configuration");
-        }
-
-        Arc::new(controller)
-    };
-
-    let extensions = Arc::new(ExtensionManager::new());
-    tracing::info!("Extension manager initialized");
-
-    webrtc_streamer.set_hid_controller(hid.clone()).await;
-
-    webrtc_streamer.set_audio_controller(audio.clone()).await;
-    if config.audio.enabled {
-        if let Err(e) = webrtc_streamer.set_audio_enabled(true).await {
-            tracing::warn!("Failed to enable WebRTC audio: {}", e);
-        } else {
-            tracing::debug!("WebRTC audio enabled");
-        }
-    }
-
-    let (device_path, actual_resolution, actual_format, actual_fps, jpeg_quality) =
-        streamer.current_capture_config().await;
-    tracing::debug!(
-        "Initial video config: {}x{} {:?} @ {}fps",
-        actual_resolution.width,
-        actual_resolution.height,
-        actual_format,
-        actual_fps
-    );
-    webrtc_streamer
-        .update_video_config(actual_resolution, actual_format, actual_fps)
-        .await;
-    if let Some(device_path) = device_path {
-        let device_info = streamer.current_device().await;
-        webrtc_streamer
-            .set_capture_device(device_path, jpeg_quality, device_info)
-            .await;
-        tracing::debug!("WebRTC streamer configured for direct capture");
-    } else {
-        tracing::warn!("No capture device configured for WebRTC");
-    }
-
-    let stream_manager = VideoStreamManager::with_webrtc_streamer(
-        streamer.clone(),
-        webrtc_streamer.clone() as std::sync::Arc<dyn one_kvm::video::traits::VideoOutput>,
-    );
-    stream_manager.set_event_bus(events.clone()).await;
-    stream_manager.set_config_store(config_store.clone()).await;
-    {
-        let stream_manager_weak = Arc::downgrade(&stream_manager);
-        audio
-            .set_recovered_callback(Arc::new(move || {
-                if let Some(stream_manager) = stream_manager_weak.upgrade() {
-                    tokio::spawn(async move {
-                        stream_manager.reconnect_webrtc_audio_sources().await;
-                    });
-                }
-            }))
-            .await;
-    }
-
-    let initial_mode = config.stream.mode.clone();
-    if let Err(e) = stream_manager.init_with_mode(initial_mode.clone()).await {
-        tracing::warn!(
-            "Failed to initialize stream manager with mode {:?}: {}",
-            initial_mode,
-            e
-        );
-    } else {
-        tracing::info!(
-            "Video stream manager initialized with mode: {:?}",
-            initial_mode
-        );
-    }
-
-    let third_party_codec_config_valid = match validate_third_party_codec_compatibility(&config) {
-        Ok(()) => true,
-        Err(e) => {
-            tracing::warn!(
-                    "Third-party access codec configuration is invalid; RustDesk/VNC/RTSP will not start: {}",
-                    e
-                );
-            false
-        }
-    };
-
-    let rustdesk = if third_party_codec_config_valid && config.rustdesk.is_valid() {
-        tracing::info!(
-            "Initializing RustDesk service: ID={} -> {}",
-            config.rustdesk.device_id,
-            config.rustdesk.rendezvous_addr()
-        );
-        let service = RustDeskService::new(
-            config.rustdesk.clone(),
-            stream_manager.clone(),
-            hid.clone(),
-            audio.clone(),
-        );
-        Some(Arc::new(service))
-    } else {
-        if config.rustdesk.enabled {
-            tracing::warn!(
-                "RustDesk enabled but configuration is incomplete (missing server or credentials)"
-            );
-        } else {
-            tracing::info!("RustDesk disabled in configuration");
-        }
-        None
-    };
-
-    let rtsp = if third_party_codec_config_valid && config.rtsp.enabled {
-        tracing::info!(
-            "Initializing RTSP service: rtsp://{}:{}/{}",
-            config.rtsp.bind,
-            config.rtsp.port,
-            config.rtsp.path
-        );
-        let service = RtspService::new(config.rtsp.clone(), stream_manager.clone());
-        Some(Arc::new(service))
-    } else {
-        tracing::info!("RTSP disabled in configuration");
-        None
-    };
-
-    let vnc = if third_party_codec_config_valid && config.vnc.enabled {
-        tracing::info!(
-            "Initializing VNC service: {}:{} ({:?})",
-            config.vnc.bind,
-            config.vnc.port,
-            config.vnc.encoding
-        );
-        Some(Arc::new(VncService::new(
-            config.vnc.clone(),
-            stream_manager.clone(),
-            hid.clone(),
-        )))
-    } else {
-        tracing::info!("VNC disabled in configuration");
-        None
-    };
-
-    let update_service = Arc::new(UpdateService::new());
-    let computer_use = ComputerUseManager::new(config_store.clone(), hid.clone());
-
-    let state = AppState::new(
-        db.clone(),
-        config_store.clone(),
-        session_store,
-        user_store,
-        two_factor,
-        #[cfg(unix)]
-        otg_service,
-        stream_manager,
-        webrtc_streamer.clone(),
-        hid,
-        computer_use,
-        #[cfg(unix)]
-        msd,
-        atx,
-        audio,
-        rustdesk.clone(),
-        vnc.clone(),
-        rtsp.clone(),
-        extensions.clone(),
-        events.clone(),
-        update_service,
-        shutdown_tx.clone(),
-        data_dir.clone(),
-    );
-
-    #[cfg(unix)]
-    {
-        // Initialize UAC playback writer if UAC is enabled.
-        if config.uac.enabled {
-            let uac_cfg = one_kvm::audio::uac::UacPlaybackConfig {
-                sample_rate: config.uac.sample_rate,
-                channels: config.uac.channels as u16,
-                ..Default::default()
-            };
-            match one_kvm::audio::uac::UacPlayback::start(uac_cfg) {
-                Ok(writer) => {
-                    *state.uac_playback.write().await = Some(writer);
-                    tracing::info!("UAC playback writer started");
-                }
-                Err(e) => {
-                    tracing::warn!("Failed to start UAC playback writer: {}", e);
-                }
-            }
-        }
-    }
-
-    if config.watchdog.enabled {
-        if let Err(error) = state.watchdog.enable().await {
-            tracing::error!(
-                "Configured hardware watchdog failed to start; web service will continue: {}",
-                error
-            );
-        } else {
-            tracing::info!("Hardware watchdog started");
-        }
-    }
-
-    extensions.set_event_bus(events.clone()).await;
-
-    if let Some(ref service) = rustdesk {
-        if let Err(e) = service.start().await {
-            tracing::error!("Failed to start RustDesk service: {}", e);
-        } else {
-            if let Some(updated_config) = service.save_credentials() {
-                if let Err(e) = config_store
-                    .update(|cfg| {
-                        cfg.rustdesk.public_key = updated_config.public_key.clone();
-                        cfg.rustdesk.private_key = updated_config.private_key.clone();
-                        cfg.rustdesk.signing_public_key = updated_config.signing_public_key.clone();
-                        cfg.rustdesk.signing_private_key =
-                            updated_config.signing_private_key.clone();
-                        cfg.rustdesk.uuid = updated_config.uuid.clone();
-                    })
-                    .await
-                {
-                    tracing::warn!("Failed to save RustDesk credentials: {}", e);
-                }
-            }
-            tracing::info!("RustDesk service started");
-        }
-    }
-    if let Some(ref service) = vnc {
-        if let Err(e) = service.start().await {
-            tracing::error!("Failed to start VNC service: {}", e);
-        } else {
-            tracing::info!("VNC service started");
-        }
-    }
-
-    if let Some(ref service) = rtsp {
-        if let Err(e) = service.start().await {
-            tracing::error!("Failed to start RTSP service: {}", e);
-        } else {
-            tracing::info!("RTSP service started");
-        }
-    }
-
-    {
-        let runtime_config = state.runtime_third_party_config().await;
-        let constraints = StreamCodecConstraints::from_config(&runtime_config);
-        state
-            .stream_manager
-            .set_runtime_codec_constraints(constraints.clone())
-            .await;
-        match enforce_constraints_with_stream_manager(&state.stream_manager, &constraints).await {
-            Ok(result) if result.changed => {
-                if let Some(message) = result.message {
-                    tracing::info!("{}", message);
-                }
-            }
-            Ok(_) => {}
-            Err(e) => tracing::warn!("Failed to enforce startup codec constraints: {}", e),
-        }
-    }
-
-    {
-        let ext_config = config_store.get();
-        extensions.start_enabled(&ext_config.extensions).await;
-    }
-
-    {
-        let extensions_clone = extensions.clone();
-        let config_store_clone = config_store.clone();
-        tokio::spawn(async move {
-            let mut interval = tokio::time::interval(std::time::Duration::from_secs(30));
-            loop {
-                interval.tick().await;
-                let config = config_store_clone.get();
-                extensions_clone.health_check(&config.extensions).await;
-            }
-        });
-        tracing::info!("Extension health check task started");
-    }
-
-    state.publish_device_info().await;
-
-    spawn_device_info_broadcaster(state.clone(), events);
-
-    let app = web::create_router(state.clone());
+    let app = runtime.router();
 
     let listeners = bind_tcp_listeners(&bind_ips, bind_port)?;
 
     let shutdown_signal = {
+        let shutdown_tx = state.shutdown_tx.clone();
         let mut shutdown_rx = shutdown_tx.subscribe();
         async move {
             tokio::select! {
@@ -740,7 +221,7 @@ async fn main() -> anyhow::Result<()> {
             servers.push(server);
         }
 
-        run_servers_until_shutdown(servers, shutdown_signal, &state, "HTTPS").await
+        run_servers_until_shutdown(servers, shutdown_signal, "HTTPS").await
     } else {
         let servers = FuturesUnordered::new();
         for listener in listeners {
@@ -752,9 +233,10 @@ async fn main() -> anyhow::Result<()> {
             servers.push(async move { server.await });
         }
 
-        run_servers_until_shutdown(servers, shutdown_signal, &state, "HTTP").await
+        run_servers_until_shutdown(servers, shutdown_signal, "HTTP").await
     };
 
+    runtime.shutdown().await;
     tracing::info!("Server shutdown complete");
     if let ShutdownAction::Restart { exe_path } = shutdown_action {
         restart_current_process(exe_path)?;
@@ -840,14 +322,13 @@ async fn open_database_pool(data_dir: &Path) -> anyhow::Result<DatabasePool> {
 async fn run_servers_until_shutdown<F, E>(
     mut servers: FuturesUnordered<F>,
     shutdown_signal: impl Future<Output = ShutdownAction>,
-    state: &Arc<AppState>,
     protocol: &'static str,
 ) -> ShutdownAction
 where
     F: Future<Output = Result<(), E>> + Send,
     E: std::fmt::Display,
 {
-    let action = tokio::select! {
+    tokio::select! {
         action = shutdown_signal => {
             action
         }
@@ -857,9 +338,7 @@ where
             }
             ShutdownAction::Exit
         }
-    };
-    cleanup(state).await;
-    action
+    }
 }
 
 fn restart_current_process(exe_path: Option<PathBuf>) -> anyhow::Result<()> {
@@ -896,64 +375,6 @@ async fn run_cli_command(command: CliCommand, data_dir: PathBuf) -> anyhow::Resu
     }
 }
 
-async fn load_runtime_config(
-    data_dir: &Path,
-) -> anyhow::Result<(DatabasePool, ConfigStore, AppConfig)> {
-    tokio::fs::create_dir_all(data_dir).await?;
-
-    let db = open_database_pool(data_dir).await?;
-    let config_store = ConfigStore::new(db.clone_pool())?;
-    config_store.load().await?;
-    let mut config = (*config_store.get()).clone();
-    config.apply_platform_defaults();
-
-    prepare_linux_runtime_dirs(data_dir, &config_store, &mut config).await?;
-
-    Ok((db, config_store, config))
-}
-
-#[cfg(unix)]
-async fn prepare_linux_runtime_dirs(
-    data_dir: &Path,
-    config_store: &ConfigStore,
-    config: &mut AppConfig,
-) -> anyhow::Result<()> {
-    let mut msd_dir_updated = false;
-    if config.msd.msd_dir.trim().is_empty() {
-        let msd_dir = data_dir.join("msd");
-        config.msd.msd_dir = msd_dir.to_string_lossy().to_string();
-        msd_dir_updated = true;
-    } else if !PathBuf::from(&config.msd.msd_dir).is_absolute() {
-        let msd_dir = data_dir.join(&config.msd.msd_dir);
-        tracing::warn!(
-            "MSD directory is relative, rebasing to {}",
-            msd_dir.display()
-        );
-        config.msd.msd_dir = msd_dir.to_string_lossy().to_string();
-        msd_dir_updated = true;
-    }
-    if msd_dir_updated {
-        config_store.set(config.clone()).await?;
-    }
-    let msd_dir = PathBuf::from(&config.msd.msd_dir);
-    if let Err(e) = tokio::fs::create_dir_all(msd_dir.join("images")).await {
-        tracing::warn!("Failed to create MSD images directory: {}", e);
-    }
-    if let Err(e) = tokio::fs::create_dir_all(msd_dir.join("ventoy")).await {
-        tracing::warn!("Failed to create MSD ventoy directory: {}", e);
-    }
-    Ok(())
-}
-
-#[cfg(not(unix))]
-async fn prepare_linux_runtime_dirs(
-    _data_dir: &Path,
-    _config_store: &ConfigStore,
-    _config: &mut AppConfig,
-) -> anyhow::Result<()> {
-    Ok(())
-}
-
 async fn run_user_action(
     action: UserAction,
     users: &UserStore,
@@ -1065,17 +486,6 @@ fn bind_tcp_listeners(addrs: &[IpAddr], port: u16) -> anyhow::Result<Vec<std::ne
     Ok(listeners)
 }
 
-fn parse_video_config(config: &AppConfig) -> (PixelFormat, Resolution) {
-    let format = config
-        .video
-        .format
-        .as_ref()
-        .and_then(|f: &String| f.parse::<PixelFormat>().ok())
-        .unwrap_or(PixelFormat::Mjpeg);
-    let resolution = Resolution::new(config.video.width, config.video.height);
-    (format, resolution)
-}
-
 fn generate_self_signed_cert() -> anyhow::Result<rcgen::CertifiedKey<rcgen::KeyPair>> {
     use rcgen::generate_simple_self_signed;
 
@@ -1088,197 +498,3 @@ fn generate_self_signed_cert() -> anyhow::Result<rcgen::CertifiedKey<rcgen::KeyP
     let certified_key = generate_simple_self_signed(subject_alt_names)?;
     Ok(certified_key)
 }
-
-fn spawn_device_info_broadcaster(state: Arc<AppState>, events: Arc<EventBus>) {
-    use std::time::{Duration, Instant};
-
-    enum DeviceInfoTrigger {
-        Event,
-        Lagged { topic: &'static str, count: u64 },
-    }
-
-    const DEVICE_INFO_TOPICS: &[&str] = &[
-        "stream.state_changed",
-        "stream.config_applied",
-        "stream.mode_ready",
-    ];
-    const DEBOUNCE_MS: u64 = 100;
-
-    let (trigger_tx, mut trigger_rx) = mpsc::unbounded_channel();
-
-    for topic in DEVICE_INFO_TOPICS {
-        let Some(mut rx) = events.subscribe_topic(topic) else {
-            tracing::warn!(
-                "DeviceInfo broadcaster missing topic subscription: {}",
-                topic
-            );
-            continue;
-        };
-
-        let trigger_tx = trigger_tx.clone();
-        let topic_name = *topic;
-        tokio::spawn(async move {
-            loop {
-                match rx.recv().await {
-                    Ok(_) => {
-                        if trigger_tx.send(DeviceInfoTrigger::Event).is_err() {
-                            break;
-                        }
-                    }
-                    Err(tokio::sync::broadcast::error::RecvError::Lagged(count)) => {
-                        if trigger_tx
-                            .send(DeviceInfoTrigger::Lagged {
-                                topic: topic_name,
-                                count,
-                            })
-                            .is_err()
-                        {
-                            break;
-                        }
-                    }
-                    Err(tokio::sync::broadcast::error::RecvError::Closed) => break,
-                }
-            }
-        });
-    }
-
-    {
-        let mut dirty_rx = events.subscribe_device_info_dirty();
-        let trigger_tx = trigger_tx.clone();
-        tokio::spawn(async move {
-            loop {
-                match dirty_rx.recv().await {
-                    Ok(()) => {
-                        if trigger_tx.send(DeviceInfoTrigger::Event).is_err() {
-                            break;
-                        }
-                    }
-                    Err(tokio::sync::broadcast::error::RecvError::Lagged(count)) => {
-                        if trigger_tx
-                            .send(DeviceInfoTrigger::Lagged {
-                                topic: "device_info_dirty",
-                                count,
-                            })
-                            .is_err()
-                        {
-                            break;
-                        }
-                    }
-                    Err(tokio::sync::broadcast::error::RecvError::Closed) => break,
-                }
-            }
-        });
-    }
-
-    tokio::spawn(async move {
-        let mut last_broadcast = Instant::now() - Duration::from_millis(DEBOUNCE_MS);
-        let mut pending_broadcast = false;
-
-        loop {
-            let recv_result = if pending_broadcast {
-                let remaining =
-                    DEBOUNCE_MS.saturating_sub(last_broadcast.elapsed().as_millis() as u64);
-                tokio::time::timeout(Duration::from_millis(remaining), trigger_rx.recv()).await
-            } else {
-                Ok(trigger_rx.recv().await)
-            };
-
-            match recv_result {
-                Ok(Some(DeviceInfoTrigger::Event)) => {
-                    pending_broadcast = true;
-                }
-                Ok(Some(DeviceInfoTrigger::Lagged { topic, count })) => {
-                    tracing::warn!(
-                        "DeviceInfo broadcaster lagged by {} events on topic {}",
-                        count,
-                        topic
-                    );
-                    pending_broadcast = true;
-                }
-                Ok(None) => {
-                    tracing::info!("Event bus closed, stopping DeviceInfo broadcaster");
-                    break;
-                }
-                Err(_timeout) => {}
-            }
-
-            if pending_broadcast && last_broadcast.elapsed() >= Duration::from_millis(DEBOUNCE_MS) {
-                state.publish_device_info().await;
-                tracing::trace!("Broadcasted DeviceInfo (debounced)");
-                last_broadcast = Instant::now();
-                pending_broadcast = false;
-            }
-        }
-    });
-
-    tracing::info!(
-        "DeviceInfo broadcaster task started (debounce: {}ms)",
-        DEBOUNCE_MS
-    );
-}
-
-async fn cleanup(state: &Arc<AppState>) {
-    state.extensions.stop_all().await;
-    tracing::info!("Extensions stopped");
-
-    if let Some(ref service) = *state.rustdesk.read().await {
-        if let Err(e) = service.stop().await {
-            tracing::warn!("Failed to stop RustDesk service: {}", e);
-        } else {
-            tracing::info!("RustDesk service stopped");
-        }
-    }
-
-    if let Some(ref service) = *state.vnc.read().await {
-        if let Err(e) = service.stop().await {
-            tracing::warn!("Failed to stop VNC service: {}", e);
-        } else {
-            tracing::info!("VNC service stopped");
-        }
-    }
-
-    if let Some(ref service) = *state.rtsp.read().await {
-        if let Err(e) = service.stop().await {
-            tracing::warn!("Failed to stop RTSP service: {}", e);
-        } else {
-            tracing::info!("RTSP service stopped");
-        }
-    }
-
-    if let Err(e) = state.stream_manager.stop().await {
-        tracing::warn!("Failed to stop streamer: {}", e);
-    }
-
-    if let Err(e) = state.hid.shutdown().await {
-        tracing::warn!("Failed to shutdown HID: {}", e);
-    }
-
-    #[cfg(unix)]
-    if let Some(msd) = state.msd.write().await.as_mut() {
-        if let Err(e) = msd.shutdown().await {
-            tracing::warn!("Failed to shutdown MSD: {}", e);
-        }
-    }
-
-    #[cfg(unix)]
-    if let Err(e) = state.otg_service.shutdown().await {
-        tracing::warn!("Failed to shutdown OTG: {}", e);
-    }
-
-    if let Some(atx) = state.atx.write().await.as_mut() {
-        if let Err(e) = atx.shutdown().await {
-            tracing::warn!("Failed to shutdown ATX: {}", e);
-        }
-    }
-
-    if let Err(e) = state.audio.shutdown().await {
-        tracing::warn!("Failed to shutdown audio: {}", e);
-    }
-
-    if let Err(error) = state.watchdog.disable().await {
-        tracing::error!(
-            "CRITICAL: failed to disable hardware watchdog during shutdown: {}",
-            error
-        );
-    }
-}