Feat: UI redesign and UX

src/app/dispatch.rs

@@ -379,7 +379,6 @@ impl App {
             }
 
             // Audio settings (engine page)
-            AppCommand::AudioSetSection(section) => self.audio.section = section,
             AppCommand::AudioNextSection => self.audio.next_section(self.plugin_mode),
             AppCommand::AudioPrevSection => self.audio.prev_section(self.plugin_mode),
             AppCommand::AudioOutputListUp => self.audio.output_list.move_up(),

src/commands.rs

@@ -4,7 +4,7 @@ use std::path::PathBuf;
 
 use crate::model::{FollowUp, LaunchQuantization, PatternSpeed, SyncMode};
 use crate::page::Page;
-use crate::state::{ColorScheme, DeviceKind, EngineSection, Modal, OptionsFocus, PatternField, ScriptField, SettingKind};
+use crate::state::{ColorScheme, DeviceKind, Modal, OptionsFocus, PatternField, ScriptField, SettingKind};
 
 pub enum AppCommand {
     // Undo/Redo
@@ -247,7 +247,6 @@ pub enum AppCommand {
     SetSelectionAnchor(usize),
 
     // Audio settings (engine page)
-    AudioSetSection(EngineSection),
     AudioNextSection,
     AudioPrevSection,
     AudioOutputListUp,

src/input/engine_page.rs

@@ -4,7 +4,7 @@ use std::sync::atomic::Ordering;
 use super::{InputContext, InputResult};
 use crate::commands::AppCommand;
 use crate::engine::{AudioCommand, SeqCommand};
-use crate::state::{ConfirmAction, DeviceKind, EngineSection, Modal, SettingKind};
+use crate::state::{ConfirmAction, DeviceKind, EngineSection, LinkSetting, Modal, SettingKind};
 
 pub(crate) fn cycle_engine_setting(ctx: &mut InputContext, right: bool) {
     let sign = if right { 1 } else { -1 };
@@ -31,6 +31,112 @@ pub(crate) fn cycle_engine_setting(ctx: &mut InputContext, right: bool) {
     ctx.app.save_settings(ctx.link);
 }
 
+pub(crate) fn cycle_link_setting(ctx: &mut InputContext, right: bool) {
+    match ctx.app.audio.link_setting {
+        LinkSetting::Enabled => ctx.link.set_enabled(!ctx.link.is_enabled()),
+        LinkSetting::StartStopSync => ctx
+            .link
+            .set_start_stop_sync_enabled(!ctx.link.is_start_stop_sync_enabled()),
+        LinkSetting::Quantum => {
+            let delta = if right { 1.0 } else { -1.0 };
+            ctx.link.set_quantum(ctx.link.quantum() + delta);
+        }
+    }
+    ctx.app.save_settings(ctx.link);
+}
+
+pub(crate) fn cycle_midi_output(ctx: &mut InputContext, right: bool) {
+    let slot = ctx.app.audio.midi_output_slot;
+    let all_devices = crate::midi::list_midi_outputs();
+    let available: Vec<(usize, &crate::midi::MidiDeviceInfo)> = all_devices
+        .iter()
+        .enumerate()
+        .filter(|(idx, _)| {
+            ctx.app.midi.selected_outputs[slot] == Some(*idx)
+                || !ctx
+                    .app
+                    .midi
+                    .selected_outputs
+                    .iter()
+                    .enumerate()
+                    .any(|(s, sel)| s != slot && *sel == Some(*idx))
+        })
+        .collect();
+    let total_options = available.len() + 1;
+    let current_pos = ctx.app.midi.selected_outputs[slot]
+        .and_then(|idx| available.iter().position(|(i, _)| *i == idx))
+        .map(|p| p + 1)
+        .unwrap_or(0);
+    let new_pos = if right {
+        (current_pos + 1) % total_options
+    } else if current_pos == 0 {
+        total_options - 1
+    } else {
+        current_pos - 1
+    };
+    if new_pos == 0 {
+        ctx.app.midi.disconnect_output(slot);
+        ctx.dispatch(AppCommand::SetStatus(format!(
+            "MIDI output {slot}: disconnected"
+        )));
+    } else {
+        let (device_idx, device) = available[new_pos - 1];
+        if ctx.app.midi.connect_output(slot, device_idx).is_ok() {
+            ctx.dispatch(AppCommand::SetStatus(format!(
+                "MIDI output {}: {}",
+                slot, device.name
+            )));
+        }
+    }
+    ctx.app.save_settings(ctx.link);
+}
+
+pub(crate) fn cycle_midi_input(ctx: &mut InputContext, right: bool) {
+    let slot = ctx.app.audio.midi_input_slot;
+    let all_devices = crate::midi::list_midi_inputs();
+    let available: Vec<(usize, &crate::midi::MidiDeviceInfo)> = all_devices
+        .iter()
+        .enumerate()
+        .filter(|(idx, _)| {
+            ctx.app.midi.selected_inputs[slot] == Some(*idx)
+                || !ctx
+                    .app
+                    .midi
+                    .selected_inputs
+                    .iter()
+                    .enumerate()
+                    .any(|(s, sel)| s != slot && *sel == Some(*idx))
+        })
+        .collect();
+    let total_options = available.len() + 1;
+    let current_pos = ctx.app.midi.selected_inputs[slot]
+        .and_then(|idx| available.iter().position(|(i, _)| *i == idx))
+        .map(|p| p + 1)
+        .unwrap_or(0);
+    let new_pos = if right {
+        (current_pos + 1) % total_options
+    } else if current_pos == 0 {
+        total_options - 1
+    } else {
+        current_pos - 1
+    };
+    if new_pos == 0 {
+        ctx.app.midi.disconnect_input(slot);
+        ctx.dispatch(AppCommand::SetStatus(format!(
+            "MIDI input {slot}: disconnected"
+        )));
+    } else {
+        let (device_idx, device) = available[new_pos - 1];
+        if ctx.app.midi.connect_input(slot, device_idx).is_ok() {
+            ctx.dispatch(AppCommand::SetStatus(format!(
+                "MIDI input {}: {}",
+                slot, device.name
+            )));
+        }
+    }
+    ctx.app.save_settings(ctx.link);
+}
+
 pub(super) fn handle_engine_page(ctx: &mut InputContext, key: KeyEvent) -> InputResult {
     match key.code {
         KeyCode::Char('q') if !ctx.app.plugin_mode => {
@@ -49,6 +155,15 @@ pub(super) fn handle_engine_page(ctx: &mut InputContext, key: KeyEvent) -> Input
             EngineSection::Settings => {
                 ctx.dispatch(AppCommand::AudioSettingPrev);
             }
+            EngineSection::Link => {
+                ctx.app.audio.prev_link_setting();
+            }
+            EngineSection::MidiOutput => {
+                ctx.app.audio.prev_midi_output_slot();
+            }
+            EngineSection::MidiInput => {
+                ctx.app.audio.prev_midi_input_slot();
+            }
             EngineSection::Samples => {
                 ctx.app.audio.sample_list.move_up();
             }
@@ -68,6 +183,15 @@ pub(super) fn handle_engine_page(ctx: &mut InputContext, key: KeyEvent) -> Input
             EngineSection::Settings => {
                 ctx.dispatch(AppCommand::AudioSettingNext);
             }
+            EngineSection::Link => {
+                ctx.app.audio.next_link_setting();
+            }
+            EngineSection::MidiOutput => {
+                ctx.app.audio.next_midi_output_slot();
+            }
+            EngineSection::MidiInput => {
+                ctx.app.audio.next_midi_input_slot();
+            }
             EngineSection::Samples => {
                 let count = ctx.app.audio.config.sample_paths.len();
                 ctx.app.audio.sample_list.move_down(count);
@@ -123,6 +247,9 @@ pub(super) fn handle_engine_page(ctx: &mut InputContext, key: KeyEvent) -> Input
                 ctx.dispatch(AppCommand::SetDeviceKind(DeviceKind::Output));
             }
             EngineSection::Settings => cycle_engine_setting(ctx, false),
+            EngineSection::Link => cycle_link_setting(ctx, false),
+            EngineSection::MidiOutput => cycle_midi_output(ctx, false),
+            EngineSection::MidiInput => cycle_midi_input(ctx, false),
             _ => {}
         },
         KeyCode::Right => match ctx.app.audio.section {
@@ -130,6 +257,9 @@ pub(super) fn handle_engine_page(ctx: &mut InputContext, key: KeyEvent) -> Input
                 ctx.dispatch(AppCommand::SetDeviceKind(DeviceKind::Input));
             }
             EngineSection::Settings => cycle_engine_setting(ctx, true),
+            EngineSection::Link => cycle_link_setting(ctx, true),
+            EngineSection::MidiOutput => cycle_midi_output(ctx, true),
+            EngineSection::MidiInput => cycle_midi_input(ctx, true),
             _ => {}
         },
         KeyCode::Char('R') if !ctx.app.plugin_mode => {
@@ -158,7 +288,6 @@ pub(super) fn handle_engine_page(ctx: &mut InputContext, key: KeyEvent) -> Input
             if !ctx.app.plugin_mode {
                 let _ = ctx.audio_tx.load().send(AudioCommand::Hush);
             }
-            let _ = ctx.seq_cmd_tx.send(SeqCommand::StopAll);
         }
         KeyCode::Char('p') => {
             if !ctx.app.plugin_mode {

src/input/mouse.rs

@@ -6,8 +6,8 @@ use ratatui::layout::{Constraint, Layout, Rect};
 use crate::commands::AppCommand;
 use crate::page::Page;
 use crate::state::{
-    DeviceKind, DictFocus, EditorTarget, EngineSection, HelpFocus, MinimapMode, Modal,
-    OptionsFocus, PatternsColumn, SettingKind,
+    DictFocus, EditorTarget, HelpFocus, MinimapMode, Modal,
+    OptionsFocus, PatternsColumn,
 };
 use crate::views::{dict_view, engine_view, help_view, main_view, patterns_view, script_view};
 
@@ -288,31 +288,10 @@ fn handle_scroll(ctx: &mut InputContext, col: u16, row: u16, term: Rect, up: boo
             }
         }
         Page::Engine => {
-            let [left_col, _, _] = engine_view::layout(body);
-            if contains(left_col, col, row) {
-                match ctx.app.audio.section {
-                    EngineSection::Devices => {
-                        if ctx.app.audio.device_kind == DeviceKind::Input {
-                            if up {
-                                ctx.dispatch(AppCommand::AudioInputListUp);
-                            } else {
-                                ctx.dispatch(AppCommand::AudioInputListDown(1));
-                            }
-                        } else if up {
-                            ctx.dispatch(AppCommand::AudioOutputListUp);
-                        } else {
-                            ctx.dispatch(AppCommand::AudioOutputListDown(1));
-                        }
-                    }
-                    EngineSection::Settings => {
-                        if up {
-                            ctx.dispatch(AppCommand::AudioSettingPrev);
-                        } else {
-                            ctx.dispatch(AppCommand::AudioSettingNext);
-                        }
-                    }
-                    EngineSection::Samples => {}
-                }
+            if up {
+                ctx.dispatch(AppCommand::AudioPrevSection);
+            } else {
+                ctx.dispatch(AppCommand::AudioNextSection);
             }
         }
     }
@@ -944,132 +923,24 @@ fn handle_script_editor_mouse(
     ctx.app.script_editor.editor.move_cursor_to(text_row, text_col);
 }
 
-fn handle_engine_click(ctx: &mut InputContext, col: u16, row: u16, area: Rect, kind: ClickKind) {
-    let [left_col, _, right_col] = engine_view::layout(area);
-
-    // Viz panel clicks (right column)
-    if contains(right_col, col, row) {
-        let [scope_area, _, lissajous_area, _, spectrum_area] = Layout::vertical([
-            Constraint::Fill(1),
-            Constraint::Length(1),
-            Constraint::Fill(1),
-            Constraint::Length(1),
-            Constraint::Fill(1),
-        ])
-        .areas(right_col);
-
-        if contains(scope_area, col, row) {
-            if kind == ClickKind::Double {
-                ctx.dispatch(AppCommand::FlipScopeOrientation);
-            } else {
-                ctx.dispatch(AppCommand::CycleScopeMode);
-            }
-        } else if contains(lissajous_area, col, row) {
-            ctx.dispatch(AppCommand::ToggleLissajousTrails);
-        } else if contains(spectrum_area, col, row) {
-            if kind == ClickKind::Double {
-                ctx.dispatch(AppCommand::ToggleSpectrumPeaks);
-            } else {
-                ctx.dispatch(AppCommand::CycleSpectrumMode);
-            }
-        }
-        return;
-    }
+fn handle_engine_click(ctx: &mut InputContext, col: u16, row: u16, area: Rect, _kind: ClickKind) {
+    // In narrow mode the whole area is a single column, in wide mode it's a 55/45 split.
+    // Either way, left-column clicks cycle through sections; right column is monitoring (non-interactive).
+    let is_narrow = area.width < 100;
+    let left_col = if is_narrow {
+        area
+    } else {
+        let [left, _, _] = engine_view::layout(area);
+        left
+    };
 
     if !contains(left_col, col, row) {
         return;
     }
 
-    // Replicate engine_view render_settings_section layout
-    let inner = Rect {
-        x: left_col.x + 1,
-        y: left_col.y + 1,
-        width: left_col.width.saturating_sub(2),
-        height: left_col.height.saturating_sub(2),
-    };
-    let padded = Rect {
-        x: inner.x + 1,
-        y: inner.y + 1,
-        width: inner.width.saturating_sub(2),
-        height: inner.height.saturating_sub(1),
-    };
-
-    if row < padded.y || row >= padded.y + padded.height {
-        return;
-    }
-
-    let devices_lines = engine_view::devices_section_height(ctx.app) as usize;
-    let settings_lines: usize = 8;
-    let samples_lines: usize = 6;
-    let total_lines = devices_lines + 1 + settings_lines + 1 + samples_lines;
-    let max_visible = padded.height as usize;
-
-    let (focus_start, focus_height) = match ctx.app.audio.section {
-        EngineSection::Devices => (0, devices_lines),
-        EngineSection::Settings => (devices_lines + 1, settings_lines),
-        EngineSection::Samples => (devices_lines + 1 + settings_lines + 1, samples_lines),
-    };
-
-    let scroll_offset = if total_lines <= max_visible {
-        0
-    } else {
-        let focus_end = focus_start + focus_height;
-        if focus_end <= max_visible {
-            0
-        } else {
-            focus_start.min(total_lines.saturating_sub(max_visible))
-        }
-    };
-
-    let relative_y = (row - padded.y) as usize;
-    let abs_line = scroll_offset + relative_y;
-
-    let devices_end = devices_lines;
-    let settings_start = devices_lines + 1;
-    let settings_end = settings_start + settings_lines;
-    let samples_start = settings_end + 1;
-
-    if abs_line < devices_end {
-        ctx.dispatch(AppCommand::AudioSetSection(EngineSection::Devices));
-        // Determine output vs input sub-column
-        let [output_col, _sep, input_col] = Layout::horizontal([
-            Constraint::Percentage(48),
-            Constraint::Length(3),
-            Constraint::Percentage(48),
-        ])
-        .areas(padded);
-        if contains(input_col, col, row) {
-            ctx.dispatch(AppCommand::SetDeviceKind(DeviceKind::Input));
-        } else if contains(output_col, col, row) {
-            ctx.dispatch(AppCommand::SetDeviceKind(DeviceKind::Output));
-        }
-    } else if abs_line >= settings_start && abs_line < settings_end {
-        ctx.dispatch(AppCommand::AudioSetSection(EngineSection::Settings));
-        // Settings section: 2 header lines + 6 table rows
-        // Rows 0-3 are adjustable (Channels, Buffer, Voices, Nudge)
-        let row_in_section = abs_line - settings_start;
-        if row_in_section >= 2 {
-            let table_row = row_in_section - 2;
-            let setting = match table_row {
-                0 => Some(SettingKind::Channels),
-                1 => Some(SettingKind::BufferSize),
-                2 => Some(SettingKind::Polyphony),
-                3 => Some(SettingKind::Nudge),
-                _ => None,
-            };
-            if let Some(kind) = setting {
-                ctx.app.audio.setting_kind = kind;
-                // Table columns: [Length(14), Fill(1)] — value starts at padded.x + 14
-                let value_x = padded.x + 14;
-                if col >= value_x {
-                    let right = col >= value_x + 4;
-                    super::engine_page::cycle_engine_setting(ctx, right);
-                }
-            }
-        }
-    } else if abs_line >= samples_start {
-        ctx.dispatch(AppCommand::AudioSetSection(EngineSection::Samples));
-    }
+    // Simple: cycle section on click. The complex per-line hit-testing is fragile
+    // given the scrollable layout. Tab/keyboard is the primary navigation.
+    ctx.dispatch(AppCommand::AudioNextSection);
 }
 
 // --- Modal ---

src/input/options_page.rs

@@ -89,126 +89,12 @@ pub(crate) fn cycle_option_value(ctx: &mut InputContext, right: bool) {
             let (w, h) = WINDOW_SIZES[new_pos];
             ctx.dispatch(AppCommand::SetWindowSize(w, h));
         }
-        OptionsFocus::LinkEnabled => ctx.link.set_enabled(!ctx.link.is_enabled()),
-        OptionsFocus::StartStopSync => ctx
-            .link
-            .set_start_stop_sync_enabled(!ctx.link.is_start_stop_sync_enabled()),
-        OptionsFocus::Quantum => {
-            let delta = if right { 1.0 } else { -1.0 };
-            ctx.link.set_quantum(ctx.link.quantum() + delta);
-        }
-        OptionsFocus::MidiOutput0
-        | OptionsFocus::MidiOutput1
-        | OptionsFocus::MidiOutput2
-        | OptionsFocus::MidiOutput3 => {
-            let slot = match ctx.app.options.focus {
-                OptionsFocus::MidiOutput0 => 0,
-                OptionsFocus::MidiOutput1 => 1,
-                OptionsFocus::MidiOutput2 => 2,
-                OptionsFocus::MidiOutput3 => 3,
-                _ => 0,
-            };
-            let all_devices = crate::midi::list_midi_outputs();
-            let available: Vec<(usize, &crate::midi::MidiDeviceInfo)> = all_devices
-                .iter()
-                .enumerate()
-                .filter(|(idx, _)| {
-                    ctx.app.midi.selected_outputs[slot] == Some(*idx)
-                        || !ctx
-                            .app
-                            .midi
-                            .selected_outputs
-                            .iter()
-                            .enumerate()
-                            .any(|(s, sel)| s != slot && *sel == Some(*idx))
-                })
-                .collect();
-            let total_options = available.len() + 1;
-            let current_pos = ctx.app.midi.selected_outputs[slot]
-                .and_then(|idx| available.iter().position(|(i, _)| *i == idx))
-                .map(|p| p + 1)
-                .unwrap_or(0);
-            let new_pos = if right {
-                (current_pos + 1) % total_options
-            } else if current_pos == 0 {
-                total_options - 1
-            } else {
-                current_pos - 1
-            };
-            if new_pos == 0 {
-                ctx.app.midi.disconnect_output(slot);
-                ctx.dispatch(AppCommand::SetStatus(format!(
-                    "MIDI output {slot}: disconnected"
-                )));
-            } else {
-                let (device_idx, device) = available[new_pos - 1];
-                if ctx.app.midi.connect_output(slot, device_idx).is_ok() {
-                    ctx.dispatch(AppCommand::SetStatus(format!(
-                        "MIDI output {}: {}",
-                        slot, device.name
-                    )));
-                }
-            }
-        }
         OptionsFocus::ResetOnboarding => {
             ctx.dispatch(AppCommand::ResetOnboarding);
         }
         OptionsFocus::LoadDemoOnStartup => {
             ctx.app.ui.load_demo_on_startup = !ctx.app.ui.load_demo_on_startup;
         }
-        OptionsFocus::MidiInput0
-        | OptionsFocus::MidiInput1
-        | OptionsFocus::MidiInput2
-        | OptionsFocus::MidiInput3 => {
-            let slot = match ctx.app.options.focus {
-                OptionsFocus::MidiInput0 => 0,
-                OptionsFocus::MidiInput1 => 1,
-                OptionsFocus::MidiInput2 => 2,
-                OptionsFocus::MidiInput3 => 3,
-                _ => 0,
-            };
-            let all_devices = crate::midi::list_midi_inputs();
-            let available: Vec<(usize, &crate::midi::MidiDeviceInfo)> = all_devices
-                .iter()
-                .enumerate()
-                .filter(|(idx, _)| {
-                    ctx.app.midi.selected_inputs[slot] == Some(*idx)
-                        || !ctx
-                            .app
-                            .midi
-                            .selected_inputs
-                            .iter()
-                            .enumerate()
-                            .any(|(s, sel)| s != slot && *sel == Some(*idx))
-                })
-                .collect();
-            let total_options = available.len() + 1;
-            let current_pos = ctx.app.midi.selected_inputs[slot]
-                .and_then(|idx| available.iter().position(|(i, _)| *i == idx))
-                .map(|p| p + 1)
-                .unwrap_or(0);
-            let new_pos = if right {
-                (current_pos + 1) % total_options
-            } else if current_pos == 0 {
-                total_options - 1
-            } else {
-                current_pos - 1
-            };
-            if new_pos == 0 {
-                ctx.app.midi.disconnect_input(slot);
-                ctx.dispatch(AppCommand::SetStatus(format!(
-                    "MIDI input {slot}: disconnected"
-                )));
-            } else {
-                let (device_idx, device) = available[new_pos - 1];
-                if ctx.app.midi.connect_input(slot, device_idx).is_ok() {
-                    ctx.dispatch(AppCommand::SetStatus(format!(
-                        "MIDI input {}: {}",
-                        slot, device.name
-                    )));
-                }
-            }
-        }
     }
     ctx.app.save_settings(ctx.link);
 }

src/state/audio.rs

@@ -202,11 +202,33 @@ pub enum EngineSection {
     #[default]
     Devices,
     Settings,
+    Link,
+    MidiOutput,
+    MidiInput,
     Samples,
 }
 
 impl CyclicEnum for EngineSection {
-    const VARIANTS: &'static [Self] = &[Self::Devices, Self::Settings, Self::Samples];
+    const VARIANTS: &'static [Self] = &[
+        Self::Devices,
+        Self::Settings,
+        Self::Link,
+        Self::MidiOutput,
+        Self::MidiInput,
+        Self::Samples,
+    ];
+}
+
+#[derive(Clone, Copy, PartialEq, Eq, Default)]
+pub enum LinkSetting {
+    #[default]
+    Enabled,
+    StartStopSync,
+    Quantum,
+}
+
+impl CyclicEnum for LinkSetting {
+    const VARIANTS: &'static [Self] = &[Self::Enabled, Self::StartStopSync, Self::Quantum];
 }
 
 #[derive(Clone, Copy, PartialEq, Eq, Default)]
@@ -271,6 +293,9 @@ pub struct AudioSettings {
     pub section: EngineSection,
     pub device_kind: DeviceKind,
     pub setting_kind: SettingKind,
+    pub link_setting: LinkSetting,
+    pub midi_output_slot: usize,
+    pub midi_input_slot: usize,
     pub output_devices: Vec<AudioDeviceInfo>,
     pub input_devices: Vec<AudioDeviceInfo>,
     pub output_list: ListSelectState,
@@ -288,6 +313,9 @@ impl Default for AudioSettings {
             section: EngineSection::default(),
             device_kind: DeviceKind::default(),
             setting_kind: SettingKind::default(),
+            link_setting: LinkSetting::default(),
+            midi_output_slot: 0,
+            midi_input_slot: 0,
             output_devices: doux::audio::list_output_devices(),
             input_devices: doux::audio::list_input_devices(),
             output_list: ListSelectState {
@@ -313,9 +341,12 @@ impl AudioSettings {
     pub fn new_plugin() -> Self {
         Self {
             config: AudioConfig::default(),
-            section: EngineSection::default(),
+            section: EngineSection::Settings,
             device_kind: DeviceKind::default(),
-            setting_kind: SettingKind::default(),
+            setting_kind: SettingKind::Polyphony,
+            link_setting: LinkSetting::default(),
+            midi_output_slot: 0,
+            midi_input_slot: 0,
             output_devices: Vec::new(),
             input_devices: Vec::new(),
             output_list: ListSelectState {
@@ -346,7 +377,7 @@ impl AudioSettings {
             match self.section {
                 EngineSection::Settings => EngineSection::Samples,
                 EngineSection::Samples => EngineSection::Settings,
-                EngineSection::Devices => EngineSection::Settings,
+                _ => EngineSection::Settings,
             }
         } else {
             self.section.next()
@@ -358,7 +389,7 @@ impl AudioSettings {
             match self.section {
                 EngineSection::Settings => EngineSection::Samples,
                 EngineSection::Samples => EngineSection::Settings,
-                EngineSection::Devices => EngineSection::Settings,
+                _ => EngineSection::Settings,
             }
         } else {
             self.section.prev()
@@ -389,6 +420,30 @@ impl AudioSettings {
         };
     }
 
+    pub fn next_link_setting(&mut self) {
+        self.link_setting = self.link_setting.next();
+    }
+
+    pub fn prev_link_setting(&mut self) {
+        self.link_setting = self.link_setting.prev();
+    }
+
+    pub fn next_midi_output_slot(&mut self) {
+        self.midi_output_slot = (self.midi_output_slot + 1).min(3);
+    }
+
+    pub fn prev_midi_output_slot(&mut self) {
+        self.midi_output_slot = self.midi_output_slot.saturating_sub(1);
+    }
+
+    pub fn next_midi_input_slot(&mut self) {
+        self.midi_input_slot = (self.midi_input_slot + 1).min(3);
+    }
+
+    pub fn prev_midi_input_slot(&mut self) {
+        self.midi_input_slot = self.midi_input_slot.saturating_sub(1);
+    }
+
     pub fn current_output_device_index(&self) -> usize {
         match &self.config.output_device {
             Some(name) => self

src/state/mod.rs

@@ -30,7 +30,7 @@ pub mod sample_browser;
 pub mod undo;
 pub mod ui;
 
-pub use audio::{AudioSettings, DeviceKind, EngineSection, MainLayout, Metrics, ScopeMode, SettingKind, SpectrumMode};
+pub use audio::{AudioSettings, DeviceKind, EngineSection, LinkSetting, MainLayout, Metrics, ScopeMode, SettingKind, SpectrumMode};
 pub use color_scheme::ColorScheme;
 pub use editor::{
     CopiedStepData, CopiedSteps, EditorContext, EditorTarget, EuclideanField, PatternField,

src/state/options.rs

@@ -18,17 +18,6 @@ pub enum OptionsFocus {
     Font,
     ZoomFactor,
     WindowSize,
-    LinkEnabled,
-    StartStopSync,
-    Quantum,
-    MidiOutput0,
-    MidiOutput1,
-    MidiOutput2,
-    MidiOutput3,
-    MidiInput0,
-    MidiInput1,
-    MidiInput2,
-    MidiInput3,
     ResetOnboarding,
     LoadDemoOnStartup,
 }
@@ -50,17 +39,6 @@ impl CyclicEnum for OptionsFocus {
         Self::Font,
         Self::ZoomFactor,
         Self::WindowSize,
-        Self::LinkEnabled,
-        Self::StartStopSync,
-        Self::Quantum,
-        Self::MidiOutput0,
-        Self::MidiOutput1,
-        Self::MidiOutput2,
-        Self::MidiOutput3,
-        Self::MidiInput0,
-        Self::MidiInput1,
-        Self::MidiInput2,
-        Self::MidiInput3,
         Self::ResetOnboarding,
         Self::LoadDemoOnStartup,
     ];
@@ -72,25 +50,7 @@ const PLUGIN_ONLY: &[OptionsFocus] = &[
     OptionsFocus::WindowSize,
 ];
 
-const STANDALONE_ONLY: &[OptionsFocus] = &[
-    OptionsFocus::LinkEnabled,
-    OptionsFocus::StartStopSync,
-    OptionsFocus::Quantum,
-    OptionsFocus::MidiOutput0,
-    OptionsFocus::MidiOutput1,
-    OptionsFocus::MidiOutput2,
-    OptionsFocus::MidiOutput3,
-    OptionsFocus::MidiInput0,
-    OptionsFocus::MidiInput1,
-    OptionsFocus::MidiInput2,
-    OptionsFocus::MidiInput3,
-    OptionsFocus::ResetOnboarding,
-    OptionsFocus::LoadDemoOnStartup,
-];
-
 /// Section layout: header line, divider line, then option lines.
-/// Each entry gives the raw line offsets assuming ALL sections are visible
-/// (plugin mode with Font/Zoom/Window shown).
 const FULL_LAYOUT: &[(OptionsFocus, usize)] = &[
     // DISPLAY section: header=0, divider=1
     (OptionsFocus::ColorScheme, 2),
@@ -108,24 +68,9 @@ const FULL_LAYOUT: &[(OptionsFocus, usize)] = &[
     (OptionsFocus::Font, 14),
     (OptionsFocus::ZoomFactor, 15),
     (OptionsFocus::WindowSize, 16),
-    // blank=17, ABLETON LINK header=18, divider=19
-    (OptionsFocus::LinkEnabled, 20),
-    (OptionsFocus::StartStopSync, 21),
-    (OptionsFocus::Quantum, 22),
-    // blank=23, SESSION header=24, divider=25, Tempo=26, Beat=27, Phase=28
-    // blank=29, MIDI OUTPUTS header=30, divider=31
-    (OptionsFocus::MidiOutput0, 32),
-    (OptionsFocus::MidiOutput1, 33),
-    (OptionsFocus::MidiOutput2, 34),
-    (OptionsFocus::MidiOutput3, 35),
-    // blank=36, MIDI INPUTS header=37, divider=38
-    (OptionsFocus::MidiInput0, 39),
-    (OptionsFocus::MidiInput1, 40),
-    (OptionsFocus::MidiInput2, 41),
-    (OptionsFocus::MidiInput3, 42),
-    // blank=43, ONBOARDING header=44, divider=45
-    (OptionsFocus::ResetOnboarding, 46),
-    (OptionsFocus::LoadDemoOnStartup, 47),
+    // blank=17, ONBOARDING header=18, divider=19
+    (OptionsFocus::ResetOnboarding, 20),
+    (OptionsFocus::LoadDemoOnStartup, 21),
 ];
 
 impl OptionsFocus {
@@ -133,17 +78,10 @@ impl OptionsFocus {
         PLUGIN_ONLY.contains(&self)
     }
 
-    fn is_standalone_only(self) -> bool {
-        STANDALONE_ONLY.contains(&self)
-    }
-
     fn is_visible(self, plugin_mode: bool) -> bool {
         if self.is_plugin_only() && !plugin_mode {
             return false;
         }
-        if self.is_standalone_only() && plugin_mode {
-            return false;
-        }
         true
     }
 
@@ -171,26 +109,12 @@ pub fn total_lines(plugin_mode: bool) -> usize {
         .unwrap_or(0)
 }
 
-/// Compute (focus, line_index) pairs for only the visible options,
-/// with line indices adjusted to account for hidden sections.
 fn visible_layout(plugin_mode: bool) -> Vec<(OptionsFocus, usize)> {
-    // Start from the full layout and compute adjusted line numbers.
-    // Hidden items + their section headers/dividers/blanks shrink the layout.
-
-    // We know the exact section structure, so we compute the offset to subtract
-    // based on which sections are hidden.
     let mut offset: usize = 0;
 
     // Font/Zoom/Window lines (14,15,16) hidden when !plugin_mode
     if !plugin_mode {
-        offset += 3; // 3 lines for Font, ZoomFactor, WindowSize
-    }
-
-    // Link + Session + MIDI sections hidden when plugin_mode
-    // These span from blank(17) through MidiInput3(42) = 26 lines
-    if plugin_mode {
-        let link_section_lines = 26;
-        offset += link_section_lines;
+        offset += 3;
     }
 
     let mut result = Vec::new();
@@ -198,11 +122,9 @@ fn visible_layout(plugin_mode: bool) -> Vec<(OptionsFocus, usize)> {
         if !focus.is_visible(plugin_mode) {
             continue;
         }
-        // Lines at or below index 13 (PerformanceMode) are never shifted
         let adjusted = if raw_line <= 13 {
             raw_line
         } else if !plugin_mode && raw_line <= 16 {
-            // Font/Zoom/Window — these are hidden, skip
             continue;
         } else {
             raw_line - offset

src/views/options_view.rs

@@ -5,13 +5,11 @@ use ratatui::widgets::{Block, Borders, Paragraph};
 use ratatui::Frame;
 
 use crate::app::App;
-use crate::engine::LinkState;
-use crate::midi;
 use crate::state::OptionsFocus;
 use crate::theme::{self, ThemeColors};
 use crate::widgets::{render_scroll_indicators, IndicatorAlign};
 
-pub fn render(frame: &mut Frame, app: &App, link: &LinkState, area: Rect) {
+pub fn render(frame: &mut Frame, app: &App, area: Rect) {
     let theme = theme::get();
 
     let block = Block::default()
@@ -141,144 +139,24 @@ pub fn render(frame: &mut Frame, app: &App, link: &LinkState, area: Rect) {
             &theme,
         ));
     }
-    if !app.plugin_mode {
-        let enabled = link.is_enabled();
-        let peers = link.peers();
-        let (status_text, status_color) = if !enabled {
-            ("DISABLED", theme.link_status.disabled)
-        } else if peers > 0 {
-            ("CONNECTED", theme.link_status.connected)
-        } else {
-            ("LISTENING", theme.link_status.listening)
-        };
-        let peer_text = if enabled && peers > 0 {
-            if peers == 1 {
-                " · 1 peer".to_string()
-            } else {
-                format!(" · {peers} peers")
-            }
-        } else {
-            String::new()
-        };
-        let link_header = Line::from(vec![
-            Span::styled(
-                "ABLETON LINK",
-                Style::new().fg(theme.ui.header).add_modifier(Modifier::BOLD),
-            ),
-            Span::raw("  "),
-            Span::styled(
-                status_text,
-                Style::new().fg(status_color).add_modifier(Modifier::BOLD),
-            ),
-            Span::styled(peer_text, Style::new().fg(theme.ui.text_muted)),
-        ]);
-        let quantum_str = format!("{:.0}", link.quantum());
-        let tempo_str = format!("{:.1} BPM", link.tempo());
-        let beat_str = format!("{:.2}", link.beat());
-        let phase_str = format!("{:.2}", link.phase());
-        let tempo_style = Style::new().fg(theme.values.tempo).add_modifier(Modifier::BOLD);
-        let value_style = Style::new().fg(theme.values.value);
 
-        lines.push(Line::from(""));
-        lines.extend([
-            link_header,
-            render_divider(content_width, &theme),
-            render_option_line(
-                "Enabled",
-                if link.is_enabled() { "On" } else { "Off" },
-                focus == OptionsFocus::LinkEnabled,
-                &theme,
-            ),
-            render_option_line(
-                "Start/Stop sync",
-                if link.is_start_stop_sync_enabled() {
-                    "On"
-                } else {
-                    "Off"
-                },
-                focus == OptionsFocus::StartStopSync,
-                &theme,
-            ),
-            render_option_line("Quantum", &quantum_str, focus == OptionsFocus::Quantum, &theme),
-            Line::from(""),
-            render_section_header("SESSION", &theme),
-            render_divider(content_width, &theme),
-            render_readonly_line("Tempo", &tempo_str, tempo_style, &theme),
-            render_readonly_line("Beat", &beat_str, value_style, &theme),
-            render_readonly_line("Phase", &phase_str, value_style, &theme),
-        ]);
-
-        let midi_outputs = midi::list_midi_outputs();
-        let midi_inputs = midi::list_midi_inputs();
-        let midi_out_display = |slot: usize| -> String {
-            if let Some(idx) = app.midi.selected_outputs[slot] {
-                midi_outputs
-                    .get(idx)
-                    .map(|d| d.name.clone())
-                    .unwrap_or_else(|| "(disconnected)".to_string())
-            } else if midi_outputs.is_empty() {
-                "(none found)".to_string()
-            } else {
-                "(not connected)".to_string()
-            }
-        };
-        let midi_in_display = |slot: usize| -> String {
-            if let Some(idx) = app.midi.selected_inputs[slot] {
-                midi_inputs
-                    .get(idx)
-                    .map(|d| d.name.clone())
-                    .unwrap_or_else(|| "(disconnected)".to_string())
-            } else if midi_inputs.is_empty() {
-                "(none found)".to_string()
-            } else {
-                "(not connected)".to_string()
-            }
-        };
-        let midi_out_0 = midi_out_display(0);
-        let midi_out_1 = midi_out_display(1);
-        let midi_out_2 = midi_out_display(2);
-        let midi_out_3 = midi_out_display(3);
-        let midi_in_0 = midi_in_display(0);
-        let midi_in_1 = midi_in_display(1);
-        let midi_in_2 = midi_in_display(2);
-        let midi_in_3 = midi_in_display(3);
-
-        lines.push(Line::from(""));
-        lines.extend([
-            render_section_header("MIDI OUTPUTS", &theme),
-            render_divider(content_width, &theme),
-            render_option_line("Output 0", &midi_out_0, focus == OptionsFocus::MidiOutput0, &theme),
-            render_option_line("Output 1", &midi_out_1, focus == OptionsFocus::MidiOutput1, &theme),
-            render_option_line("Output 2", &midi_out_2, focus == OptionsFocus::MidiOutput2, &theme),
-            render_option_line("Output 3", &midi_out_3, focus == OptionsFocus::MidiOutput3, &theme),
-            Line::from(""),
-            render_section_header("MIDI INPUTS", &theme),
-            render_divider(content_width, &theme),
-            render_option_line("Input 0", &midi_in_0, focus == OptionsFocus::MidiInput0, &theme),
-            render_option_line("Input 1", &midi_in_1, focus == OptionsFocus::MidiInput1, &theme),
-            render_option_line("Input 2", &midi_in_2, focus == OptionsFocus::MidiInput2, &theme),
-            render_option_line("Input 3", &midi_in_3, focus == OptionsFocus::MidiInput3, &theme),
-        ]);
-    }
-    if !app.plugin_mode {
-        lines.push(Line::from(""));
-        lines.extend([
-            render_section_header("ONBOARDING", &theme),
-            render_divider(content_width, &theme),
-            render_option_line(
-                "Reset guides",
-                &onboarding_str,
-                focus == OptionsFocus::ResetOnboarding,
-                &theme,
-            ),
-            render_option_line(
-                "Demo on startup",
-                if app.ui.load_demo_on_startup { "On" } else { "Off" },
-                focus == OptionsFocus::LoadDemoOnStartup,
-                &theme,
-            ),
-        ]);
-    }
+    lines.push(Line::from(""));
+    lines.extend([
+        render_section_header("ONBOARDING", &theme),
+        render_divider(content_width, &theme),
+        render_option_line(
+            "Reset guides",
+            &onboarding_str,
+            focus == OptionsFocus::ResetOnboarding,
+            &theme,
+        ),
+        render_option_line(
+            "Demo on startup",
+            if app.ui.load_demo_on_startup { "On" } else { "Off" },
+            focus == OptionsFocus::LoadDemoOnStartup,
+            &theme,
+        ),
+    ]);
 
     // Insert description below focused option
     let focus_vec_idx = focus.line_index(app.plugin_mode);
@@ -330,7 +208,7 @@ fn render_section_header(title: &str, theme: &theme::ThemeColors) -> Line<'stati
 
 fn render_divider(width: usize, theme: &theme::ThemeColors) -> Line<'static> {
     Line::from(Span::styled(
-        "─".repeat(width),
+        "\u{2500}".repeat(width),
         Style::new().fg(theme.ui.border),
     ))
 }
@@ -377,17 +255,6 @@ fn option_description(focus: OptionsFocus) -> Option<&'static str> {
         OptionsFocus::Font => Some("Bitmap font for the plugin window"),
         OptionsFocus::ZoomFactor => Some("Scale factor for the plugin window"),
         OptionsFocus::WindowSize => Some("Default size for the plugin window"),
-        OptionsFocus::LinkEnabled => Some("Join an Ableton Link session on the local network"),
-        OptionsFocus::StartStopSync => Some("Sync transport start/stop with other Link peers"),
-        OptionsFocus::Quantum => Some("Number of beats per phase cycle"),
-        OptionsFocus::MidiOutput0 => Some("MIDI output device for channel group 1"),
-        OptionsFocus::MidiOutput1 => Some("MIDI output device for channel group 2"),
-        OptionsFocus::MidiOutput2 => Some("MIDI output device for channel group 3"),
-        OptionsFocus::MidiOutput3 => Some("MIDI output device for channel group 4"),
-        OptionsFocus::MidiInput0 => Some("MIDI input device for channel group 1"),
-        OptionsFocus::MidiInput1 => Some("MIDI input device for channel group 2"),
-        OptionsFocus::MidiInput2 => Some("MIDI input device for channel group 3"),
-        OptionsFocus::MidiInput3 => Some("MIDI input device for channel group 4"),
         OptionsFocus::ResetOnboarding => Some("Re-enable all dismissed guide popups"),
         OptionsFocus::LoadDemoOnStartup => Some("Load a rotating demo song on fresh startup"),
     }
@@ -403,15 +270,3 @@ fn render_description_line(desc: &str, theme: &ThemeColors) -> Line<'static> {
 fn gain_boost_label(gain: f32) -> String {
     format!("{:.0}x", gain)
 }
-
-fn render_readonly_line(label: &str, value: &str, value_style: Style, theme: &theme::ThemeColors) -> Line<'static> {
-    let label_style = Style::new().fg(theme.ui.text_muted);
-    let label_width = 20;
-    let padded_label = format!("{label:<label_width$}");
-
-    Line::from(vec![
-        Span::styled("  ".to_string(), Style::new()),
-        Span::styled(padded_label, label_style),
-        Span::styled(format!("  {value}"), value_style),
-    ])
-}

src/views/render.rs

@@ -185,8 +185,8 @@ pub fn render(
     match app.page {
         Page::Main => main_view::render(frame, app, snapshot, page_area),
         Page::Patterns => patterns_view::render(frame, app, snapshot, page_area),
-        Page::Engine => engine_view::render(frame, app, page_area),
-        Page::Options => options_view::render(frame, app, link, page_area),
+        Page::Engine => engine_view::render(frame, app, link, page_area),
+        Page::Options => options_view::render(frame, app, page_area),
         Page::Help => help_view::render(frame, app, page_area),
         Page::Dict => dict_view::render(frame, app, page_area),
         Page::Script => script_view::render(frame, app, snapshot, page_area),
@@ -557,10 +557,10 @@ fn render_footer(frame: &mut Frame, app: &App, area: Rect) {
             ],
             Page::Engine => vec![
                 ("Tab", "Section"),
-                ("←→", "Switch/Adjust"),
-                ("A", "Add Samples"),
-                ("D", "Remove"),
+                ("←→", "Adjust"),
                 ("R", "Restart"),
+                ("t", "Test"),
+                ("h/p", "Hush/Panic"),
                 ("?", "Keys"),
             ],
             Page::Options => vec![