lesavka: steady diagnostics and broaden uplink staging

client/Cargo.toml

@@ -4,7 +4,7 @@ path                    = "src/main.rs"
 
 [package]
 name                    = "lesavka_client"
-version                 = "0.11.25"
+version                 = "0.11.26"
 edition                 = "2024"
 
 [dependencies]

client/src/input/microphone.rs

@@ -21,20 +21,18 @@ impl MicrophoneCapture {
     pub fn new() -> Result<Self> {
         gst::init().ok(); // idempotent
 
-        /* pulsesrc (default mic) → AAC/ADTS → appsink  -------------------*/
-        // Optional override: LESAVKA_MIC_SOURCE=<pulse‑device‑name>
-        // If not provided or not found, fall back to first non-monitor source.
-        let device_arg = match std::env::var("LESAVKA_MIC_SOURCE") {
-            Ok(s) if !s.is_empty() => match Self::pulse_source_by_substr(&s) {
-                Some(full) => format!("device={}", escape(full.into())),
+        /* preferred path: pipewiresrc; fallback: pulsesrc ----------------*/
+        let source_desc = match std::env::var("LESAVKA_MIC_SOURCE") {
+            Ok(s) if !s.is_empty() => match Self::resolve_source_desc(&s) {
+                Some(desc) => desc,
                 None => {
                     warn!("🎤 requested mic '{s}' not found; using default");
-                    Self::default_source_arg()
+                    Self::default_source_desc()
                 }
             },
-            _ => Self::default_source_arg(),
+            _ => Self::default_source_desc(),
         };
-        debug!("🎤 device: {device_arg}");
+        debug!("🎤 source: {source_desc}");
         let aac = ["avenc_aac", "fdkaacenc", "faac", "opusenc"]
             .into_iter()
             .find(|e| gst::ElementFactory::find(e).is_some())
@@ -47,7 +45,7 @@ impl MicrophoneCapture {
             "aacparse ! capsfilter caps=audio/mpeg,stream-format=adts,rate=48000,channels=2"
         };
         let desc = format!(
-            "pulsesrc {device_arg} do-timestamp=true ! \
+            "{source_desc} ! \
              audio/x-raw,format=S16LE,channels=2,rate=48000 ! \
              audioconvert ! audioresample ! {aac} bitrate=128000 ! \
              {parser} ! \
@@ -70,7 +68,7 @@ impl MicrophoneCapture {
                             if s.current() == gst::State::Playing
                                 && msg.src().map(|s| s.is::<gst::Pipeline>()).unwrap_or(false) =>
                         {
-                            info!("🎤 mic pipeline ▶️ (source=pulsesrc)")
+                            info!("🎤 mic pipeline ▶️")
                         }
                         Error(e) => error!(
                             "🎤💥 mic: {} ({})",
@@ -120,6 +118,64 @@ impl MicrophoneCapture {
         }
     }
 
+    fn resolve_source_desc(fragment: &str) -> Option<String> {
+        if Self::pipewire_source_available()
+            && let Some(full) = Self::pipewire_source_by_substr(fragment)
+        {
+            return Some(Self::pipewire_source_desc(Some(&full)));
+        }
+        Self::pulse_source_by_substr(fragment).map(|full| Self::pulse_source_desc(Some(&full)))
+    }
+
+    fn pipewire_source_available() -> bool {
+        gst::ElementFactory::find("pipewiresrc").is_some()
+    }
+
+    fn pipewire_source_desc(source: Option<&str>) -> String {
+        match source {
+            Some(source) if !source.trim().is_empty() => {
+                format!(
+                    "pipewiresrc target-object={} do-timestamp=true",
+                    escape(source.to_string().into())
+                )
+            }
+            _ => "pipewiresrc do-timestamp=true".to_string(),
+        }
+    }
+
+    fn pulse_source_desc(source: Option<&str>) -> String {
+        match source {
+            Some(source) if !source.trim().is_empty() => {
+                format!(
+                    "pulsesrc device={} do-timestamp=true",
+                    escape(source.to_string().into())
+                )
+            }
+            _ => "pulsesrc do-timestamp=true".to_string(),
+        }
+    }
+
+    fn pipewire_source_by_substr(fragment: &str) -> Option<String> {
+        let out = std::process::Command::new("pw-dump").output().ok()?;
+        let list = serde_json::from_slice::<serde_json::Value>(&out.stdout).ok()?;
+        let objects = list.as_array()?;
+        objects.iter().find_map(|object| {
+            let props = object.get("info")?.get("props")?.as_object()?;
+            if props.get("media.class")?.as_str()? != "Audio/Source" {
+                return None;
+            }
+            let name = props
+                .get("node.name")
+                .or_else(|| props.get("node.nick"))?
+                .as_str()?;
+            if name.contains(fragment) && !name.ends_with(".monitor") {
+                Some(name.to_owned())
+            } else {
+                None
+            }
+        })
+    }
+
     fn pulse_source_by_substr(fragment: &str) -> Option<String> {
         use std::process::Command;
         let out = Command::new("pactl")
@@ -139,23 +195,11 @@ impl MicrophoneCapture {
         })
     }
 
-    /// Pick the first non-monitor Pulse source if available; otherwise empty.
-    fn default_source_arg() -> String {
-        use std::process::Command;
-        let out = Command::new("pactl")
-            .args(["list", "short", "sources"])
-            .output();
-        if let Ok(out) = out {
-            let list = String::from_utf8_lossy(&out.stdout);
-            if let Some(name) = list
-                .lines()
-                .filter_map(|ln| ln.split_whitespace().nth(1))
-                .find(|name| !name.ends_with(".monitor"))
-            {
-                return format!("device={}", escape(name.into()));
-            }
+    fn default_source_desc() -> String {
+        if Self::pipewire_source_available() {
+            return Self::pipewire_source_desc(None);
         }
-        String::new()
+        Self::pulse_source_desc(None)
     }
 }
 

client/src/launcher/device_test.rs

@@ -621,13 +621,19 @@ fn camera_preview_pipeline_desc(device: &str) -> String {
 }
 
 fn microphone_monitor_pipeline_desc(source: &str, sink: Option<&str>) -> String {
-    let source = gst_quote(source);
+    let source_element = if gst::ElementFactory::find("pipewiresrc").is_some() {
+        let source = gst_quote(source);
+        format!("pipewiresrc target-object=\"{source}\" do-timestamp=true")
+    } else {
+        let source = gst_quote(source);
+        format!("pulsesrc device=\"{source}\" do-timestamp=true")
+    };
     let sink_prop = sink
         .map(gst_quote)
         .map(|value| format!(" device=\"{value}\""))
         .unwrap_or_default();
     format!(
-        "pulsesrc device=\"{source}\" ! \
+        "{source_element} ! \
          audioconvert ! audioresample ! \
          audio/x-raw,format=S16LE,rate={MIC_MONITOR_RATE},channels={MIC_MONITOR_CHANNELS} ! \
          tee name=t \

client/src/launcher/devices.rs

@@ -1,6 +1,7 @@
 use std::collections::BTreeSet;
 
 use evdev::{AbsoluteAxisCode, Device, EventType, KeyCode, RelativeAxisCode};
+use serde_json::Value;
 
 #[derive(Debug, Clone, Default, PartialEq, Eq)]
 pub struct DeviceCatalog {
@@ -26,8 +27,8 @@ impl DeviceCatalog {
 
     fn discover_with_camera_override(override_dir: Option<String>) -> Self {
         let cameras = discover_camera_devices(override_dir);
-        let microphones = discover_pactl_devices("sources");
-        let speakers = discover_pactl_devices("sinks");
+        let microphones = discover_microphone_devices();
+        let speakers = discover_speaker_devices();
         let keyboards = discover_input_devices(InputDeviceKind::Keyboard);
         let mice = discover_input_devices(InputDeviceKind::Mouse);
         Self {
@@ -40,6 +41,32 @@ impl DeviceCatalog {
     }
 }
 
+fn discover_microphone_devices() -> Vec<String> {
+    let mut set = BTreeSet::new();
+    for source in discover_pactl_devices("sources") {
+        if !source.ends_with(".monitor") {
+            set.insert(source);
+        }
+    }
+    for source in discover_pipewire_audio_nodes("Audio/Source") {
+        if !source.ends_with(".monitor") {
+            set.insert(source);
+        }
+    }
+    set.into_iter().collect()
+}
+
+fn discover_speaker_devices() -> Vec<String> {
+    let mut set = BTreeSet::new();
+    for sink in discover_pactl_devices("sinks") {
+        set.insert(sink);
+    }
+    for sink in discover_pipewire_audio_nodes("Audio/Sink") {
+        set.insert(sink);
+    }
+    set.into_iter().collect()
+}
+
 fn discover_camera_devices(override_dir: Option<String>) -> Vec<String> {
     let dir = override_dir.unwrap_or_else(|| "/dev/v4l/by-id".to_string());
     let Ok(iter) = std::fs::read_dir(dir) else {
@@ -84,6 +111,49 @@ pub fn parse_pactl_short(stdout: &str) -> Vec<String> {
     set.into_iter().collect()
 }
 
+fn discover_pipewire_audio_nodes(media_class: &str) -> Vec<String> {
+    let output = std::process::Command::new("pw-dump").output();
+    let Ok(output) = output else {
+        return Vec::new();
+    };
+    if !output.status.success() {
+        return Vec::new();
+    }
+    parse_pipewire_audio_nodes(&output.stdout, media_class)
+}
+
+pub fn parse_pipewire_audio_nodes(stdout: &[u8], media_class: &str) -> Vec<String> {
+    let Ok(Value::Array(objects)) = serde_json::from_slice::<Value>(stdout) else {
+        return Vec::new();
+    };
+
+    let mut set = BTreeSet::new();
+    for object in objects {
+        let Some(props) = object
+            .get("info")
+            .and_then(|info| info.get("props"))
+            .and_then(Value::as_object)
+        else {
+            continue;
+        };
+        if props.get("media.class").and_then(Value::as_str) != Some(media_class) {
+            continue;
+        }
+        let Some(name) = props
+            .get("node.name")
+            .or_else(|| props.get("node.nick"))
+            .or_else(|| props.get("device.name"))
+            .and_then(Value::as_str)
+        else {
+            continue;
+        };
+        if !name.trim().is_empty() {
+            set.insert(name.to_string());
+        }
+    }
+    set.into_iter().collect()
+}
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum InputDeviceKind {
     Keyboard,
@@ -231,4 +301,48 @@ mod tests {
         catalog.speakers.push("sink-1".to_string());
         assert!(!catalog.is_empty());
     }
+
+    #[test]
+    fn parse_pipewire_audio_nodes_collects_named_audio_nodes() {
+        let sample = br#"
+[
+  {
+    "info": {
+      "props": {
+        "media.class": "Audio/Source",
+        "node.name": "alsa_input.usb-TestMic-00.mono-fallback"
+      }
+    }
+  },
+  {
+    "info": {
+      "props": {
+        "media.class": "Audio/Source",
+        "node.name": "bluez_input.80:C3:BA:76:26:AB"
+      }
+    }
+  },
+  {
+    "info": {
+      "props": {
+        "media.class": "Audio/Sink",
+        "node.name": "alsa_output.pci-0000_00_1f.3.analog-stereo"
+      }
+    }
+  }
+]
+"#;
+        assert_eq!(
+            parse_pipewire_audio_nodes(sample, "Audio/Source"),
+            vec![
+                "alsa_input.usb-TestMic-00.mono-fallback".to_string(),
+                "bluez_input.80:C3:BA:76:26:AB".to_string(),
+            ]
+        );
+    }
+
+    #[test]
+    fn parse_pipewire_audio_nodes_ignores_invalid_payloads() {
+        assert!(parse_pipewire_audio_nodes(b"not json", "Audio/Source").is_empty());
+    }
 }

client/src/launcher/ui.rs

@@ -16,13 +16,13 @@ use {
     super::ui_components::{build_launcher_view, sync_input_device_combo, sync_stage_device_combo},
     super::ui_runtime::{
         RelayChild, append_session_log, apply_popout_window_size, attach_child_log_streams,
-        capture_swap_key, copy_session_log, dock_all_displays_to_preview, dock_display_to_preview,
-        input_control_path, input_state_path, next_input_routing, open_diagnostics_popout,
-        open_popout_window, open_session_log_popout, path_marker, present_popout_windows,
-        read_input_routing_state, reap_exited_child, refresh_launcher_ui, refresh_test_buttons,
-        routing_name, selected_combo_value, selected_server_addr, shutdown_launcher_runtime,
-        spawn_client_process, stop_child_process, toggle_key_label, update_test_action_result,
-        write_input_routing_request,
+        capture_swap_key, copy_plain_text, copy_session_log, dock_all_displays_to_preview,
+        dock_display_to_preview, input_control_path, input_state_path, next_input_routing,
+        open_diagnostics_popout, open_popout_window, open_session_log_popout, path_marker,
+        present_popout_windows, read_input_routing_state, reap_exited_child, refresh_launcher_ui,
+        refresh_test_buttons, routing_name, selected_combo_value, selected_server_addr,
+        shutdown_launcher_runtime, spawn_client_process, stop_child_process, toggle_key_label,
+        update_test_action_result, write_input_routing_request,
     },
     crate::handshake::{HandshakeProbe, probe},
     crate::output::display::enumerate_monitors,
@@ -1455,7 +1455,7 @@ pub fn run_gui_launcher(server_addr: String) -> Result<()> {
             {
                 let widgets = widgets.clone();
                 widgets.diagnostics_copy_button.connect_clicked(move |_| {
-                    if let Err(err) = copy_session_log(&widgets.diagnostics_buffer) {
+                    if let Err(err) = copy_plain_text(&widgets.diagnostics_rendered_text.borrow()) {
                         widgets
                             .status_label
                             .set_text(&format!("Could not copy the diagnostics report: {err}"));
@@ -1475,8 +1475,9 @@ pub fn run_gui_launcher(server_addr: String) -> Result<()> {
                     open_diagnostics_popout(
                         &app,
                         &diagnostics_popout,
+                        &widgets.diagnostics_popout_label,
                         &widgets.diagnostics_popout_scroll,
-                        &widgets.diagnostics_buffer,
+                        &widgets.diagnostics_rendered_text,
                     );
                     widgets
                         .status_label

client/src/launcher/ui_components.rs

@@ -52,8 +52,9 @@ pub struct PopoutWindowHandle {
 pub struct LauncherWidgets {
     pub status_label: gtk::Label,
     pub diagnostics_log: Rc<RefCell<DiagnosticsLog>>,
-    pub diagnostics_buffer: gtk::TextBuffer,
+    pub diagnostics_label: gtk::Label,
     pub diagnostics_scroll: gtk::ScrolledWindow,
+    pub diagnostics_popout_label: Rc<RefCell<Option<gtk::Label>>>,
     pub diagnostics_popout_scroll: Rc<RefCell<Option<gtk::ScrolledWindow>>>,
     pub diagnostics_rendered_text: Rc<RefCell<String>>,
     pub session_log_buffer: gtk::TextBuffer,
@@ -199,19 +200,16 @@ pub fn build_launcher_view(
     staging_row.set_vexpand(false);
     workspace.append(&staging_row);
 
-    let (devices_panel, devices_body) = build_panel("Device Staging");
-    devices_panel.set_hexpand(true);
-    devices_panel.set_vexpand(false);
-    devices_body.set_spacing(8);
-    let devices_actions = gtk::Box::new(gtk::Orientation::Horizontal, 8);
-    devices_actions.set_halign(gtk::Align::End);
     let device_refresh_button = gtk::Button::with_label("Refresh Devices");
     stabilize_button(&device_refresh_button, 132);
     device_refresh_button.set_tooltip_text(Some(
         "Re-scan webcams, microphones, speakers, keyboards, and mice without restarting Lesavka.",
     ));
-    devices_actions.append(&device_refresh_button);
-    devices_body.append(&devices_actions);
+    let (devices_panel, devices_body) =
+        build_panel_with_action("Device Staging", Some(device_refresh_button.upcast_ref()));
+    devices_panel.set_hexpand(true);
+    devices_panel.set_vexpand(false);
+    devices_body.set_spacing(8);
 
     let control_group = build_subgroup("Control Inputs");
     let control_row = gtk::Box::new(gtk::Orientation::Horizontal, 12);
@@ -469,18 +467,24 @@ pub fn build_launcher_view(
     diagnostics_toolbar.append(&diagnostics_copy_button);
     diagnostics_toolbar.append(&diagnostics_popout_button);
     let diagnostics_log = Rc::new(RefCell::new(DiagnosticsLog::new(16)));
-    let diagnostics_buffer = gtk::TextBuffer::new(None);
-    let diagnostics_view = gtk::TextView::with_buffer(&diagnostics_buffer);
-    diagnostics_view.add_css_class("status-log");
-    diagnostics_view.set_editable(false);
-    diagnostics_view.set_cursor_visible(false);
-    diagnostics_view.set_monospace(true);
-    diagnostics_view.set_wrap_mode(gtk::WrapMode::None);
+    let diagnostics_label = gtk::Label::new(None);
+    diagnostics_label.add_css_class("status-log");
+    diagnostics_label.set_selectable(true);
+    diagnostics_label.set_xalign(0.0);
+    diagnostics_label.set_yalign(0.0);
+    diagnostics_label.set_wrap(false);
+    diagnostics_label.set_halign(gtk::Align::Start);
+    diagnostics_label.set_valign(gtk::Align::Start);
+    diagnostics_label.set_hexpand(true);
+    let diagnostics_shell = gtk::Box::new(gtk::Orientation::Vertical, 0);
+    diagnostics_shell.set_hexpand(true);
+    diagnostics_shell.set_vexpand(false);
+    diagnostics_shell.append(&diagnostics_label);
     let diagnostics_scroll = gtk::ScrolledWindow::builder()
         .hexpand(true)
         .vexpand(false)
         .min_content_height(190)
-        .child(&diagnostics_view)
+        .child(&diagnostics_shell)
         .build();
     diagnostics_body.append(&diagnostics_toolbar);
     diagnostics_body.append(&diagnostics_scroll);
@@ -632,13 +636,15 @@ pub fn build_launcher_view(
         state.breakout_size_options(1),
         state.breakout_size_preset(1),
     );
+    let diagnostics_popout_label = Rc::new(RefCell::new(None));
     let diagnostics_popout_scroll = Rc::new(RefCell::new(None));
 
     let widgets = LauncherWidgets {
         status_label: status_label.clone(),
         diagnostics_log: diagnostics_log.clone(),
-        diagnostics_buffer: diagnostics_buffer.clone(),
+        diagnostics_label: diagnostics_label.clone(),
         diagnostics_scroll: diagnostics_scroll.clone(),
+        diagnostics_popout_label: diagnostics_popout_label.clone(),
         diagnostics_popout_scroll: diagnostics_popout_scroll.clone(),
         diagnostics_rendered_text: Rc::new(RefCell::new(String::new())),
         session_log_buffer: session_log_buffer.clone(),
@@ -792,7 +798,8 @@ pub fn install_css(window: &gtk::ApplicationWindow) {
         label.status-line {
             opacity: 0.9;
         }
-        textview.status-log {
+        textview.status-log,
+        label.status-log {
             font-family: monospace;
             background: rgba(0, 0, 0, 0.22);
             border-radius: 14px;
@@ -841,13 +848,25 @@ pub fn install_window_icon(window: &impl IsA<gtk::Window>) {
 }
 
 fn build_panel(title: &str) -> (gtk::Box, gtk::Box) {
+    build_panel_with_action(title, None)
+}
+
+fn build_panel_with_action(title: &str, action: Option<&gtk::Widget>) -> (gtk::Box, gtk::Box) {
     let panel = gtk::Box::new(gtk::Orientation::Vertical, 8);
     panel.add_css_class("panel");
 
+    let header = gtk::Box::new(gtk::Orientation::Horizontal, 8);
+    header.set_hexpand(true);
+    header.set_halign(gtk::Align::Fill);
     let heading = gtk::Label::new(Some(title));
     heading.add_css_class("panel-title");
     heading.set_halign(gtk::Align::Start);
-    panel.append(&heading);
+    heading.set_hexpand(true);
+    header.append(&heading);
+    if let Some(action) = action {
+        header.append(action);
+    }
+    panel.append(&header);
 
     let body = gtk::Box::new(gtk::Orientation::Vertical, 8);
     panel.append(&body);

client/src/launcher/ui_runtime.rs

@@ -937,9 +937,13 @@ pub fn copy_session_log(buffer: &gtk::TextBuffer) -> Result<()> {
     let text = buffer
         .text(&buffer.start_iter(), &buffer.end_iter(), false)
         .to_string();
+    copy_plain_text(&text)
+}
+
+pub fn copy_plain_text(text: &str) -> Result<()> {
     let display = gtk::gdk::Display::default()
         .ok_or_else(|| anyhow::anyhow!("no desktop clipboard is available in this session"))?;
-    display.clipboard().set_text(&text);
+    display.clipboard().set_text(text);
     Ok(())
 }
 
@@ -993,14 +997,30 @@ pub fn refresh_diagnostics_report(
             }
         };
     *widgets.diagnostics_rendered_text.borrow_mut() = rendered.clone();
-    widgets.diagnostics_buffer.set_text(&rendered);
-    restore_adjustment(&diagnostics_adjustment, previous_value, was_at_bottom);
-    if let Some((adjustment, previous_value, was_at_bottom)) = popout_state.as_ref() {
+    let update_docked = was_at_bottom || widgets.diagnostics_label.text().is_empty();
+    if update_docked {
+        widgets.diagnostics_label.set_text(&rendered);
+        restore_adjustment(&diagnostics_adjustment, previous_value, was_at_bottom);
+    }
+    let update_popout = popout_state
+        .as_ref()
+        .map(|(_, _, was_at_bottom)| *was_at_bottom)
+        .unwrap_or(false);
+    if let Some(label) = widgets.diagnostics_popout_label.borrow().as_ref()
+        && (update_popout || label.text().is_empty())
+    {
+        label.set_text(&rendered);
+    }
+    if update_popout
+        && let Some((adjustment, previous_value, was_at_bottom)) = popout_state.as_ref()
+    {
         restore_adjustment(adjustment, *previous_value, *was_at_bottom);
     }
     glib::idle_add_local_once(move || {
-        restore_adjustment(&diagnostics_adjustment, previous_value, was_at_bottom);
-        if let Some((adjustment, previous_value, was_at_bottom)) = popout_state {
+        if update_docked {
+            restore_adjustment(&diagnostics_adjustment, previous_value, was_at_bottom);
+        }
+        if update_popout && let Some((adjustment, previous_value, was_at_bottom)) = popout_state {
             restore_adjustment(&adjustment, previous_value, was_at_bottom);
         }
     });
@@ -1025,18 +1045,82 @@ pub fn open_session_log_popout(
 pub fn open_diagnostics_popout(
     app: &gtk::Application,
     handle: &Rc<RefCell<Option<gtk::ApplicationWindow>>>,
+    label_handle: &Rc<RefCell<Option<gtk::Label>>>,
     scroll_handle: &Rc<RefCell<Option<gtk::ScrolledWindow>>>,
-    buffer: &gtk::TextBuffer,
+    rendered_text: &Rc<RefCell<String>>,
 ) {
-    open_text_buffer_popout(
-        app,
-        handle,
-        Some(scroll_handle),
-        buffer,
-        "Lesavka Diagnostics",
-        "Copy Report",
-        gtk::WrapMode::None,
-    );
+    if let Some(window) = handle.borrow().as_ref() {
+        window.present();
+        return;
+    }
+
+    let window = gtk::ApplicationWindow::builder()
+        .application(app)
+        .title("Lesavka Diagnostics")
+        .default_width(980)
+        .default_height(680)
+        .build();
+    super::ui_components::install_css(&window);
+    super::ui_components::install_window_icon(&window);
+
+    let root = gtk::Box::new(gtk::Orientation::Vertical, 10);
+    root.set_margin_start(14);
+    root.set_margin_end(14);
+    root.set_margin_top(14);
+    root.set_margin_bottom(14);
+
+    let toolbar = gtk::Box::new(gtk::Orientation::Horizontal, 8);
+    let copy_button = gtk::Button::with_label("Copy Report");
+    toolbar.append(&copy_button);
+    root.append(&toolbar);
+
+    let current_text = rendered_text.borrow().clone();
+    let label = gtk::Label::new(Some(&current_text));
+    label.add_css_class("status-log");
+    label.set_selectable(true);
+    label.set_xalign(0.0);
+    label.set_yalign(0.0);
+    label.set_wrap(false);
+    label.set_halign(gtk::Align::Start);
+    label.set_valign(gtk::Align::Start);
+    label.set_hexpand(true);
+    let shell = gtk::Box::new(gtk::Orientation::Vertical, 0);
+    shell.set_hexpand(true);
+    shell.set_vexpand(false);
+    shell.append(&label);
+    let scroll = gtk::ScrolledWindow::builder()
+        .hexpand(true)
+        .vexpand(true)
+        .child(&shell)
+        .build();
+    *label_handle.borrow_mut() = Some(label.clone());
+    *scroll_handle.borrow_mut() = Some(scroll.clone());
+    root.append(&scroll);
+    window.set_child(Some(&root));
+    window.maximize();
+
+    {
+        let rendered_text = Rc::clone(rendered_text);
+        copy_button.connect_clicked(move |_| {
+            let current_text = rendered_text.borrow().clone();
+            let _ = copy_plain_text(&current_text);
+        });
+    }
+
+    {
+        let handle = Rc::clone(handle);
+        let label_handle = Rc::clone(label_handle);
+        let scroll_handle = Rc::clone(scroll_handle);
+        window.connect_close_request(move |_| {
+            handle.borrow_mut().take();
+            label_handle.borrow_mut().take();
+            scroll_handle.borrow_mut().take();
+            glib::Propagation::Proceed
+        });
+    }
+
+    *handle.borrow_mut() = Some(window.clone());
+    window.present();
 }
 
 fn open_text_buffer_popout(
@@ -1165,6 +1249,7 @@ pub fn shutdown_launcher_runtime(
     }
 
     if let Some(window) = diagnostics_popout.borrow_mut().take() {
+        widgets.diagnostics_popout_label.borrow_mut().take();
         widgets.diagnostics_popout_scroll.borrow_mut().take();
         window.set_child(Option::<&gtk::Widget>::None);
         window.hide();

common/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name                    = "lesavka_common"
-version                 = "0.11.25"
+version                 = "0.11.26"
 edition                 = "2024"
 build                   = "build.rs"
 

common/src/cli.rs

@@ -17,6 +17,6 @@ mod tests {
 
     #[test]
     fn banner_includes_version() {
-        assert_eq!(banner("0.11.25"), "lesavka-common CLI (v0.11.25)");
+        assert_eq!(banner("0.11.26"), "lesavka-common CLI (v0.11.26)");
     }
 }

server/Cargo.toml

@@ -10,7 +10,7 @@ bench                   = false
 
 [package]
 name                    = "lesavka_server"
-version                 = "0.11.25"
+version                 = "0.11.26"
 edition                 = "2024"
 autobins                = false
 

server/src/audio.rs

@@ -323,6 +323,9 @@ impl Voice {
             .context("make alsasink")?;
 
         alsa_sink.set_property("device", &alsa_dev);
+        alsa_sink.set_property("sync", false);
+        alsa_sink.set_property("async", false);
+        alsa_sink.set_property("enable-last-sample", false);
 
         pipeline.add_many(&[
             appsrc.upcast_ref(),

server/src/runtime_support.rs

@@ -345,18 +345,36 @@ fn preferred_uac_device_candidates(preferred: &str) -> Vec<String> {
         "hw:Lesavka,0",
     ];
     let allow_aliases = auto_family.contains(&preferred);
-    push_audio_candidate(&mut out, &mut seen, preferred);
+    push_audio_candidate_family(&mut out, &mut seen, preferred);
     if allow_aliases {
         for alias in auto_family {
-            push_audio_candidate(&mut out, &mut seen, alias);
+            push_audio_candidate_family(&mut out, &mut seen, alias);
         }
         for detected in detect_uac_card_candidates() {
-            push_audio_candidate(&mut out, &mut seen, &detected);
+            push_audio_candidate_family(&mut out, &mut seen, &detected);
         }
     }
     out
 }
 
+#[cfg(not(coverage))]
+fn push_audio_candidate_family(
+    out: &mut Vec<String>,
+    seen: &mut BTreeSet<String>,
+    candidate: &str,
+) {
+    let trimmed = candidate.trim();
+    if trimmed.is_empty() {
+        return;
+    }
+    push_audio_candidate(out, seen, trimmed);
+    if let Some(rest) = trimmed.strip_prefix("hw:") {
+        push_audio_candidate(out, seen, &format!("plughw:{rest}"));
+    } else if let Some(rest) = trimmed.strip_prefix("plughw:") {
+        push_audio_candidate(out, seen, &format!("hw:{rest}"));
+    }
+}
+
 #[cfg(not(coverage))]
 fn push_audio_candidate(out: &mut Vec<String>, seen: &mut BTreeSet<String>, candidate: &str) {
     let trimmed = candidate.trim();
@@ -498,13 +516,18 @@ mod tests {
     #[test]
     fn preferred_uac_device_candidates_keeps_custom_override_only() {
         let candidates = preferred_uac_device_candidates("hw:7,0");
-        assert_eq!(candidates, vec!["hw:7,0"]);
+        assert_eq!(candidates, vec!["hw:7,0", "plughw:7,0"]);
     }
 
     #[test]
     fn preferred_uac_device_candidates_expands_known_aliases() {
         let candidates = preferred_uac_device_candidates("hw:UAC2Gadget,0");
         assert!(candidates.iter().any(|value| value == "hw:UAC2Gadget,0"));
+        assert!(
+            candidates
+                .iter()
+                .any(|value| value == "plughw:UAC2Gadget,0")
+        );
         assert!(candidates.iter().any(|value| value == "hw:UAC2_Gadget,0"));
         assert!(candidates.iter().any(|value| value == "hw:Composite,0"));
     }