Claude/remove unused import kfb wa

native-bridge/src/main.rs

@@ -114,50 +114,58 @@ async fn main() -> Result<()> {
     }));
 
     if enable_tui {
-        // Run TUI mode with LocalSet to allow non-Send futures
-        // AppState contains cpal::Stream which has RefCell closures (not Send)
-        // LocalSet allows spawning non-Send futures on a single-threaded executor
+        // Run TUI mode
+        // The WebSocket server runs in a native thread with its own runtime
+        // This avoids Send requirements and allows the TUI to use blocking I/O
         info!("Starting TUI interface...");
 
         let tui_rx = tui_rx.unwrap();
 
         // Create TUI app
         let app = tui::App::new();
 
-        // Use LocalSet to run both WebSocket server and TUI on same thread
-        let local = tokio::task::LocalSet::new();
-        local.run_until(async move {
-            // Send initial device info
-            if let Some(tx) = &tui_tx {
-                let _ = tx.send(tui::AppEvent::DeviceInfo {
-                    input_device,
-                    output_device,
-                    sample_rate,
-                    buffer_size,
-                }).await;
-
-                let _ = tx.send(tui::AppEvent::Log {
-                    level: tui::LogLevel::Info,
-                    message: format!("OpenStudio Bridge v{} started", env!("CARGO_PKG_VERSION")),
-                }).await;
-            }
-
-            // Spawn WebSocket server in background local task (non-Send safe)
-            let server_state = state.clone();
-            tokio::task::spawn_local(async move {
-                if let Err(e) = protocol::run_server("127.0.0.1:9999", server_state).await {
-                    tracing::error!("WebSocket server error: {}", e);
-                }
-            });
-
-            // Small delay to ensure server is listening before TUI takes over terminal
-            tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
-
-            // Run TUI on main thread
-            if let Err(e) = tui::run(app, tui_rx).await {
-                tracing::error!("TUI error: {}", e);
-            }
-        }).await;
+        // Send initial device info
+        if let Some(tx) = &tui_tx {
+            let _ = tx.send(tui::AppEvent::DeviceInfo {
+                input_device,
+                output_device,
+                sample_rate,
+                buffer_size,
+            }).await;
+
+            let _ = tx.send(tui::AppEvent::Log {
+                level: tui::LogLevel::Info,
+                message: format!("OpenStudio Bridge v{} started", env!("CARGO_PKG_VERSION")),
+            }).await;
+        }
+
+        // Spawn WebSocket server in a native thread with its own tokio runtime
+        // This avoids Send requirements (AppState contains non-Send cpal::Stream)
+        // and allows the TUI's blocking I/O to not starve the server
+        let server_state = state.clone();
+        std::thread::Builder::new()
+            .name("websocket-server".to_string())
+            .spawn(move || {
+                let rt = tokio::runtime::Builder::new_current_thread()
+                    .enable_all()
+                    .build()
+                    .expect("Failed to create WebSocket server runtime");
+
+                rt.block_on(async move {
+                    if let Err(e) = protocol::run_server("127.0.0.1:9999", server_state).await {
+                        tracing::error!("WebSocket server error: {}", e);
+                    }
+                });
+            })
+            .expect("Failed to spawn WebSocket server thread");
+
+        // Small delay to ensure server is listening before TUI takes over terminal
+        tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
+
+        // Run TUI on main thread (uses blocking terminal I/O)
+        if let Err(e) = tui::run(app, tui_rx).await {
+            tracing::error!("TUI error: {}", e);
+        }
     } else {
         // Run headless mode
         info!("Bridge running on ws://localhost:9999 (headless mode)");

native-bridge/src/tui/app.rs

@@ -419,20 +419,8 @@ impl App {
         self.should_quit = true;
     }
 
-    pub fn toggle_effects_panel(&mut self) {
-        self.active_panel = if self.active_panel == ActivePanel::Effects {
-            ActivePanel::Audio
-        } else {
-            ActivePanel::Effects
-        };
-    }
-
-    pub fn toggle_network_panel(&mut self) {
-        self.active_panel = if self.active_panel == ActivePanel::Network {
-            ActivePanel::Audio
-        } else {
-            ActivePanel::Network
-        };
+    pub fn set_panel(&mut self, panel: ActivePanel) {
+        self.active_panel = panel;
     }
 
     pub fn toggle_help(&mut self) {

native-bridge/src/tui/mod.rs

@@ -5,11 +5,11 @@ mod app;
 mod ui;
 mod widgets;
 
-pub use app::{App, AppEvent, LogLevel};
+pub use app::{ActivePanel, App, AppEvent, LogLevel};
 pub use ui::draw;
 
 use crossterm::{
-    event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode, KeyModifiers},
+    event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode, KeyEventKind, KeyModifiers},
     execute,
     terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
 };
@@ -48,18 +48,29 @@ pub async fn run(
         // Check for crossterm events (keyboard, etc.)
         if crossterm::event::poll(timeout)? {
             if let Event::Key(key) = event::read()? {
+                // Only handle key press events, not repeats or releases
+                // This prevents flickering when holding a key
+                if key.kind != KeyEventKind::Press {
+                    continue;
+                }
+
                 match (key.code, key.modifiers) {
                     // Quit on Ctrl+C or Q
                     (KeyCode::Char('c'), KeyModifiers::CONTROL) | (KeyCode::Char('q'), _) => {
                         break;
                     }
-                    // Toggle effects panel
+                    // Direct panel switching (no toggling - prevents flicker)
+                    (KeyCode::Char('a'), _) => {
+                        app.set_panel(ActivePanel::Audio);
+                    }
                     (KeyCode::Char('e'), _) => {
-                        app.toggle_effects_panel();
+                        app.set_panel(ActivePanel::Effects);
                     }
-                    // Toggle network panel
                     (KeyCode::Char('n'), _) => {
-                        app.toggle_network_panel();
+                        app.set_panel(ActivePanel::Network);
+                    }
+                    (KeyCode::Char('l'), _) => {
+                        app.set_panel(ActivePanel::Logs);
                     }
                     // Toggle help
                     (KeyCode::Char('?'), _) | (KeyCode::F(1), _) => {