Feat: UI / UX improvements once more (mouse)

.github/workflows/pages.yml

@@ -16,6 +16,7 @@ concurrency:
 
 jobs:
   deploy:
+    if: github.server_url == 'https://github.com'
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}

.github/workflows/release.yml

@@ -14,6 +14,7 @@ concurrency:
 
 jobs:
   build:
+    if: github.server_url == 'https://github.com'
     strategy:
       fail-fast: false
       matrix:
@@ -153,6 +154,7 @@ jobs:
           path: target/bundled/cagire-plugins.vst3
 
   build-cross:
+    if: github.server_url == 'https://github.com'
     runs-on: ubuntu-latest
     timeout-minutes: 45
 
@@ -200,6 +202,7 @@ jobs:
           path: target/${{ matrix.target }}/release/cagire-desktop
 
   universal-macos:
+    if: github.server_url == 'https://github.com'
     needs: build
     runs-on: macos-14
     timeout-minutes: 10
@@ -308,7 +311,7 @@ jobs:
 
   release:
     needs: [build, build-cross, universal-macos]
-    if: startsWith(github.ref, 'refs/tags/v')
+    if: startsWith(github.ref, 'refs/tags/v') && github.server_url == 'https://github.com'
     runs-on: ubuntu-latest
     timeout-minutes: 10
     permissions:

crates/ratatui/src/lib.rs

@@ -38,7 +38,7 @@ pub use scroll_indicators::{render_scroll_indicators, IndicatorAlign};
 pub use search_bar::render_search_bar;
 pub use section_header::render_section_header;
 pub use sparkles::Sparkles;
-pub use spectrum::Spectrum;
+pub use spectrum::{Spectrum, SpectrumStyle};
 pub use text_input::TextInputModal;
 pub use vu_meter::VuMeter;
 pub use waveform::Waveform;

crates/ratatui/src/lissajous.rs

@@ -9,6 +9,13 @@ use std::cell::RefCell;
 
 thread_local! {
     static PATTERNS: RefCell<Vec<u8>> = const { RefCell::new(Vec::new()) };
+    static TRAIL: RefCell<TrailState> = const { RefCell::new(TrailState { fine_w: 0, fine_h: 0, heat: Vec::new() }) };
+}
+
+struct TrailState {
+    fine_w: usize,
+    fine_h: usize,
+    heat: Vec<f32>,
 }
 
 /// XY oscilloscope plotting left vs right channels as a Lissajous curve.
@@ -17,6 +24,7 @@ pub struct Lissajous<'a> {
     right: &'a [f32],
     color: Option<Color>,
     gain: f32,
+    trails: bool,
 }
 
 impl<'a> Lissajous<'a> {
@@ -26,9 +34,15 @@ impl<'a> Lissajous<'a> {
             right,
             color: None,
             gain: 1.0,
+            trails: false,
         }
     }
 
+    pub fn trails(mut self, enabled: bool) -> Self {
+        self.trails = enabled;
+        self
+    }
+
     pub fn color(mut self, c: Color) -> Self {
         self.color = Some(c);
         self
@@ -46,6 +60,16 @@ impl Widget for Lissajous<'_> {
             return;
         }
 
+        if self.trails {
+            self.render_trails(area, buf);
+        } else {
+            self.render_normal(area, buf);
+        }
+    }
+}
+
+impl Lissajous<'_> {
+    fn render_normal(self, area: Rect, buf: &mut Buffer) {
         let color = self.color.unwrap_or_else(|| theme::get().meter.low);
         let width = area.width as usize;
         let height = area.height as usize;
@@ -63,7 +87,6 @@ impl Widget for Lissajous<'_> {
                 let l = (self.left[i] * self.gain).clamp(-1.0, 1.0);
                 let r = (self.right[i] * self.gain).clamp(-1.0, 1.0);
 
-                // X = right channel, Y = left channel (inverted so up = positive)
                 let fine_x = ((r + 1.0) * 0.5 * (fine_width - 1) as f32).round() as usize;
                 let fine_y = ((1.0 - l) * 0.5 * (fine_height - 1) as f32).round() as usize;
                 let fine_x = fine_x.min(fine_width - 1);
@@ -74,19 +97,7 @@ impl Widget for Lissajous<'_> {
                 let dot_x = fine_x % 2;
                 let dot_y = fine_y % 4;
 
-                let bit = match (dot_x, dot_y) {
-                    (0, 0) => 0x01,
-                    (0, 1) => 0x02,
-                    (0, 2) => 0x04,
-                    (0, 3) => 0x40,
-                    (1, 0) => 0x08,
-                    (1, 1) => 0x10,
-                    (1, 2) => 0x20,
-                    (1, 3) => 0x80,
-                    _ => unreachable!(),
-                };
-
-                patterns[char_y * width + char_x] |= bit;
+                patterns[char_y * width + char_x] |= braille_bit(dot_x, dot_y);
             }
 
             for cy in 0..height {
@@ -102,4 +113,122 @@ impl Widget for Lissajous<'_> {
             }
         });
     }
+
+    fn render_trails(self, area: Rect, buf: &mut Buffer) {
+        let theme = theme::get();
+        let width = area.width as usize;
+        let height = area.height as usize;
+        let fine_w = width * 2;
+        let fine_h = height * 4;
+        let len = self.left.len().min(self.right.len());
+
+        TRAIL.with(|t| {
+            let mut trail = t.borrow_mut();
+
+            // Reset if dimensions changed
+            if trail.fine_w != fine_w || trail.fine_h != fine_h {
+                trail.fine_w = fine_w;
+                trail.fine_h = fine_h;
+                trail.heat.clear();
+                trail.heat.resize(fine_w * fine_h, 0.0);
+            }
+
+            // Decay existing heat
+            for h in trail.heat.iter_mut() {
+                *h *= 0.85;
+            }
+
+            // Plot new sample points
+            for i in 0..len {
+                let l = (self.left[i] * self.gain).clamp(-1.0, 1.0);
+                let r = (self.right[i] * self.gain).clamp(-1.0, 1.0);
+
+                let fx = ((r + 1.0) * 0.5 * (fine_w - 1) as f32).round() as usize;
+                let fy = ((1.0 - l) * 0.5 * (fine_h - 1) as f32).round() as usize;
+                let fx = fx.min(fine_w - 1);
+                let fy = fy.min(fine_h - 1);
+
+                trail.heat[fy * fine_w + fx] = 1.0;
+            }
+
+            // Convert heat map to braille
+            PATTERNS.with(|p| {
+                let mut patterns = p.borrow_mut();
+                patterns.clear();
+                patterns.resize(width * height, 0);
+
+                // Track brightest color per cell
+                let mut colors: Vec<Option<Color>> = vec![None; width * height];
+
+                for fy in 0..fine_h {
+                    for fx in 0..fine_w {
+                        let h = trail.heat[fy * fine_w + fx];
+                        if h < 0.05 {
+                            continue;
+                        }
+
+                        let cx = fx / 2;
+                        let cy = fy / 4;
+                        let dx = fx % 2;
+                        let dy = fy % 4;
+
+                        let idx = cy * width + cx;
+                        patterns[idx] |= braille_bit(dx, dy);
+
+                        let dot_color = if h > 0.7 {
+                            theme.meter.high
+                        } else if h > 0.25 {
+                            theme.meter.mid
+                        } else {
+                            theme.meter.low
+                        };
+
+                        let replace = match colors[idx] {
+                            None => true,
+                            Some(cur) => {
+                                rank_color(dot_color, &theme) > rank_color(cur, &theme)
+                            }
+                        };
+                        if replace {
+                            colors[idx] = Some(dot_color);
+                        }
+                    }
+                }
+
+                for cy in 0..height {
+                    for cx in 0..width {
+                        let idx = cy * width + cx;
+                        let pattern = patterns[idx];
+                        if pattern != 0 {
+                            let ch = char::from_u32(0x2800 + pattern as u32).unwrap_or(' ');
+                            let color = colors[idx].unwrap_or(theme.meter.low);
+                            buf[(area.x + cx as u16, area.y + cy as u16)]
+                                .set_char(ch)
+                                .set_fg(color);
+                        }
+                    }
+                }
+            });
+        });
+    }
+}
+
+fn braille_bit(dot_x: usize, dot_y: usize) -> u8 {
+    match (dot_x, dot_y) {
+        (0, 0) => 0x01,
+        (0, 1) => 0x02,
+        (0, 2) => 0x04,
+        (0, 3) => 0x40,
+        (1, 0) => 0x08,
+        (1, 1) => 0x10,
+        (1, 2) => 0x20,
+        (1, 3) => 0x80,
+        _ => unreachable!(),
+    }
+}
+
+fn rank_color(c: Color, theme: &crate::theme::ThemeColors) -> u8 {
+    if c == theme.meter.high { 2 }
+    else if c == theme.meter.mid { 1 }
+    else { 0 }
 }

crates/ratatui/src/spectrum.rs

@@ -1,28 +1,59 @@
-//! 32-band frequency spectrum bar display.
+//! 32-band frequency spectrum display with optional peak hold.
 
 use crate::theme;
 use ratatui::buffer::Buffer;
 use ratatui::layout::Rect;
 use ratatui::style::Color;
 use ratatui::widgets::Widget;
+use std::cell::RefCell;
 
 const BLOCKS: [char; 8] = ['\u{2581}', '\u{2582}', '\u{2583}', '\u{2584}', '\u{2585}', '\u{2586}', '\u{2587}', '\u{2588}'];
 
+#[derive(Clone, Copy, PartialEq, Eq, Default)]
+pub enum SpectrumStyle {
+    #[default]
+    Bars,
+    Line,
+    Filled,
+}
+
+thread_local! {
+    static PEAKS: RefCell<[f32; 32]> = const { RefCell::new([0.0; 32]) };
+    static PATTERNS: RefCell<Vec<u8>> = const { RefCell::new(Vec::new()) };
+}
+
 /// 32-band spectrum analyzer using block characters.
 pub struct Spectrum<'a> {
     data: &'a [f32; 32],
     gain: f32,
+    style: SpectrumStyle,
+    peaks: bool,
 }
 
 impl<'a> Spectrum<'a> {
     pub fn new(data: &'a [f32; 32]) -> Self {
-        Self { data, gain: 1.0 }
+        Self {
+            data,
+            gain: 1.0,
+            style: SpectrumStyle::Bars,
+            peaks: false,
+        }
     }
 
     pub fn gain(mut self, g: f32) -> Self {
         self.gain = g;
         self
     }
+
+    pub fn style(mut self, s: SpectrumStyle) -> Self {
+        self.style = s;
+        self
+    }
+
+    pub fn peaks(mut self, enabled: bool) -> Self {
+        self.peaks = enabled;
+        self
+    }
 }
 
 impl Widget for Spectrum<'_> {
@@ -31,6 +62,43 @@ impl Widget for Spectrum<'_> {
             return;
         }
 
+        // Update peak hold state
+        let peak_values = if self.peaks {
+            Some(PEAKS.with(|p| {
+                let mut peaks = p.borrow_mut();
+                for (i, &mag) in self.data.iter().enumerate() {
+                    let v = (mag * self.gain).min(1.0);
+                    if v >= peaks[i] {
+                        peaks[i] = v;
+                    } else {
+                        peaks[i] = (peaks[i] - 0.02).max(v);
+                    }
+                }
+                *peaks
+            }))
+        } else {
+            None
+        };
+
+        match self.style {
+            SpectrumStyle::Bars => render_bars(self.data, area, buf, self.gain, peak_values.as_ref()),
+            SpectrumStyle::Line => render_braille(self.data, area, buf, self.gain, false, peak_values.as_ref()),
+            SpectrumStyle::Filled => render_braille(self.data, area, buf, self.gain, true, peak_values.as_ref()),
+        }
+    }
+}
+
+fn band_color(ratio: f32, colors: &theme::ThemeColors) -> Color {
+    if ratio < 0.33 {
+        Color::Rgb(colors.meter.low_rgb.0, colors.meter.low_rgb.1, colors.meter.low_rgb.2)
+    } else if ratio < 0.66 {
+        Color::Rgb(colors.meter.mid_rgb.0, colors.meter.mid_rgb.1, colors.meter.mid_rgb.2)
+    } else {
+        Color::Rgb(colors.meter.high_rgb.0, colors.meter.high_rgb.1, colors.meter.high_rgb.2)
+    }
+}
+
+fn render_bars(data: &[f32; 32], area: Rect, buf: &mut Buffer, gain: f32, peaks: Option<&[f32; 32]>) {
     let colors = theme::get();
     let height = area.height as f32;
     let base = area.width as usize / 32;
@@ -40,36 +108,131 @@ impl Widget for Spectrum<'_> {
     }
 
     let mut x_start = area.x;
-        for (band, &mag) in self.data.iter().enumerate() {
+    for (band, &mag) in data.iter().enumerate() {
         let w = base + if band < remainder { 1 } else { 0 };
         if w == 0 {
             continue;
         }
-            let bar_height = (mag * self.gain).min(1.0) * height;
+        let bar_height = (mag * gain).min(1.0) * height;
         let full_cells = bar_height as usize;
         let frac = bar_height - full_cells as f32;
         let frac_idx = (frac * 8.0) as usize;
 
+        // Peak hold row
+        let peak_row = peaks.map(|p| {
+            let ph = p[band] * height;
+            let row = (height - ph).max(0.0) as usize;
+            row.min(area.height as usize - 1)
+        });
+
         for row in 0..area.height as usize {
             let y = area.y + area.height - 1 - row as u16;
             let ratio = row as f32 / area.height as f32;
-                let color = if ratio < 0.33 {
-                    Color::Rgb(colors.meter.low_rgb.0, colors.meter.low_rgb.1, colors.meter.low_rgb.2)
-                } else if ratio < 0.66 {
-                    Color::Rgb(colors.meter.mid_rgb.0, colors.meter.mid_rgb.1, colors.meter.mid_rgb.2)
-                } else {
-                    Color::Rgb(colors.meter.high_rgb.0, colors.meter.high_rgb.1, colors.meter.high_rgb.2)
-                };
+            let color = band_color(ratio, &colors);
+
             for dx in 0..w as u16 {
                 let x = x_start + dx;
                 if row < full_cells {
                     buf[(x, y)].set_char(BLOCKS[7]).set_fg(color);
                 } else if row == full_cells && frac_idx > 0 {
                     buf[(x, y)].set_char(BLOCKS[frac_idx - 1]).set_fg(color);
+                } else if let Some(pr) = peak_row {
+                    // peak_row is from top (0 = top), row is from bottom
+                    let from_top = area.height as usize - 1 - row;
+                    if from_top == pr {
+                        buf[(x, y)].set_char('─').set_fg(colors.meter.high);
+                    }
                 }
             }
         }
         x_start += w as u16;
     }
+}
+
+fn render_braille(
+    data: &[f32; 32],
+    area: Rect,
+    buf: &mut Buffer,
+    gain: f32,
+    filled: bool,
+    peaks: Option<&[f32; 32]>,
+) {
+    let colors = theme::get();
+    let width = area.width as usize;
+    let height = area.height as usize;
+    let fine_w = width * 2;
+    let fine_h = height * 4;
+
+    PATTERNS.with(|p| {
+        let mut patterns = p.borrow_mut();
+        patterns.clear();
+        patterns.resize(width * height, 0);
+
+        // Interpolate 32 bands across fine_w columns
+        for fx in 0..fine_w {
+            let band_f = fx as f32 * 31.0 / (fine_w - 1).max(1) as f32;
+            let lo = band_f as usize;
+            let hi = (lo + 1).min(31);
+            let t = band_f - lo as f32;
+            let mag = ((data[lo] * (1.0 - t) + data[hi] * t) * gain).min(1.0);
+            let fy = ((1.0 - mag) * (fine_h - 1) as f32).round() as usize;
+            let fy = fy.min(fine_h - 1);
+
+            if filled {
+                for y in fy..fine_h {
+                    let cy = y / 4;
+                    let dy = y % 4;
+                    let cx = fx / 2;
+                    let dx = fx % 2;
+                    patterns[cy * width + cx] |= braille_bit(dx, dy);
+                }
+            } else {
+                let cy = fy / 4;
+                let dy = fy % 4;
+                let cx = fx / 2;
+                let dx = fx % 2;
+                patterns[cy * width + cx] |= braille_bit(dx, dy);
+            }
+
+            // Peak dots
+            if let Some(pk) = peaks {
+                let pv = (pk[lo] * (1.0 - t) + pk[hi] * t).min(1.0);
+                let py = ((1.0 - pv) * (fine_h - 1) as f32).round() as usize;
+                let py = py.min(fine_h - 1);
+                let cy = py / 4;
+                let dy = py % 4;
+                let cx = fx / 2;
+                let dx = fx % 2;
+                patterns[cy * width + cx] |= braille_bit(dx, dy);
+            }
+        }
+
+        for cy in 0..height {
+            for cx in 0..width {
+                let pattern = patterns[cy * width + cx];
+                if pattern != 0 {
+                    let ratio = 1.0 - (cy as f32 / height as f32);
+                    let color = band_color(ratio, &colors);
+                    let ch = char::from_u32(0x2800 + pattern as u32).unwrap_or(' ');
+                    buf[(area.x + cx as u16, area.y + cy as u16)]
+                        .set_char(ch)
+                        .set_fg(color);
+                }
+            }
+        }
+    });
+}
+
+fn braille_bit(dot_x: usize, dot_y: usize) -> u8 {
+    match (dot_x, dot_y) {
+        (0, 0) => 0x01,
+        (0, 1) => 0x02,
+        (0, 2) => 0x04,
+        (0, 3) => 0x40,
+        (1, 0) => 0x08,
+        (1, 1) => 0x10,
+        (1, 2) => 0x20,
+        (1, 3) => 0x80,
+        _ => unreachable!(),
     }
 }

src/app/dispatch.rs

@@ -418,6 +418,11 @@ impl App {
             AppCommand::ToggleScope => self.audio.config.show_scope = !self.audio.config.show_scope,
             AppCommand::ToggleSpectrum => self.audio.config.show_spectrum = !self.audio.config.show_spectrum,
             AppCommand::ToggleLissajous => self.audio.config.show_lissajous = !self.audio.config.show_lissajous,
+            AppCommand::CycleScopeMode => self.audio.config.scope_mode = self.audio.config.scope_mode.toggle(),
+            AppCommand::FlipScopeOrientation => self.audio.config.scope_vertical = !self.audio.config.scope_vertical,
+            AppCommand::ToggleLissajousTrails => self.audio.config.lissajous_trails = !self.audio.config.lissajous_trails,
+            AppCommand::CycleSpectrumMode => self.audio.config.spectrum_mode = self.audio.config.spectrum_mode.cycle(),
+            AppCommand::ToggleSpectrumPeaks => self.audio.config.spectrum_peaks = !self.audio.config.spectrum_peaks,
             AppCommand::TogglePreview => self.audio.config.show_preview = !self.audio.config.show_preview,
             AppCommand::SetGainBoost(g) => self.audio.config.gain_boost = g,
             AppCommand::ToggleNormalizeViz => self.audio.config.normalize_viz = !self.audio.config.normalize_viz,

src/commands.rs

@@ -278,6 +278,11 @@ pub enum AppCommand {
     ToggleScope,
     ToggleSpectrum,
     ToggleLissajous,
+    CycleScopeMode,
+    FlipScopeOrientation,
+    ToggleLissajousTrails,
+    CycleSpectrumMode,
+    ToggleSpectrumPeaks,
     TogglePreview,
     SetGainBoost(f32),
     ToggleNormalizeViz,

src/input/mouse.rs

@@ -1,3 +1,5 @@
+use std::time::Instant;
+
 use crossterm::event::{MouseButton, MouseEvent, MouseEventKind};
 use ratatui::layout::{Constraint, Layout, Rect};
 
@@ -11,6 +13,14 @@ use crate::views::{dict_view, engine_view, help_view, main_view, patterns_view,
 
 use super::InputContext;
 
+#[derive(Clone, Copy, PartialEq, Eq)]
+enum ClickKind {
+    Single,
+    Double,
+}
+
+const DOUBLE_CLICK_MS: u128 = 300;
+
 pub fn handle_mouse(ctx: &mut InputContext, mouse: MouseEvent, term: Rect) {
     let kind = mouse.kind;
     let col = mouse.column;
@@ -25,7 +35,18 @@ pub fn handle_mouse(ctx: &mut InputContext, mouse: MouseEvent, term: Rect) {
     }
 
     match kind {
-        MouseEventKind::Down(MouseButton::Left) => handle_click(ctx, col, row, term),
+        MouseEventKind::Down(MouseButton::Left) => {
+            let now = Instant::now();
+            let click_kind = match ctx.app.ui.last_click.take() {
+                Some((t, c, r)) if now.duration_since(t).as_millis() < DOUBLE_CLICK_MS
+                    && c == col && r == row => ClickKind::Double,
+                _ => {
+                    ctx.app.ui.last_click = Some((now, col, row));
+                    ClickKind::Single
+                }
+            };
+            handle_click(ctx, col, row, term, click_kind);
+        }
         MouseEventKind::Drag(MouseButton::Left) | MouseEventKind::Moved => {
             handle_editor_drag(ctx, col, row, term);
             handle_script_editor_drag(ctx, col, row, term);
@@ -116,7 +137,7 @@ fn handle_editor_mouse(ctx: &mut InputContext, col: u16, row: u16, term: Rect, d
         .move_cursor_to(text_row, text_col);
 }
 
-fn handle_click(ctx: &mut InputContext, col: u16, row: u16, term: Rect) {
+fn handle_click(ctx: &mut InputContext, col: u16, row: u16, term: Rect, kind: ClickKind) {
     // Sticky minimap intercepts all clicks
     if matches!(ctx.app.ui.minimap, MinimapMode::Sticky) {
         if let Some((gc, gr)) = cagire_ratatui::hit_test_tile(col, row, term) {
@@ -144,7 +165,7 @@ fn handle_click(ctx: &mut InputContext, col: u16, row: u16, term: Rect) {
     } else if contains(footer, col, row) {
         handle_footer_click(ctx, col, row, footer);
     } else if contains(body, col, row) {
-        handle_body_click(ctx, col, row, body);
+        handle_body_click(ctx, col, row, body, kind);
     }
 }
 
@@ -279,8 +300,10 @@ fn handle_scroll(ctx: &mut InputContext, col: u16, row: u16, term: Rect, up: boo
 
 // --- Header ---
 
-fn handle_header_click(ctx: &mut InputContext, col: u16, _row: u16, header: Rect) {
-    let [transport_area, _live, _tempo, _bank, _pattern, _stats] = Layout::horizontal([
+fn handle_header_click(ctx: &mut InputContext, col: u16, row: u16, header: Rect) {
+    let [logo_area, transport_area, _live, tempo_area, _bank, pattern_area, stats_area] =
+        Layout::horizontal([
+            Constraint::Length(5),
             Constraint::Min(12),
             Constraint::Length(9),
             Constraint::Min(14),
@@ -290,8 +313,17 @@ fn handle_header_click(ctx: &mut InputContext, col: u16, _row: u16, header: Rect
         ])
         .areas(header);
 
-    if contains(transport_area, col, _row) {
+    if contains(logo_area, col, row) {
+        ctx.app.ui.minimap = MinimapMode::Sticky;
+    } else if contains(transport_area, col, row) {
         ctx.dispatch(AppCommand::TogglePlaying);
+    } else if contains(tempo_area, col, row) {
+        let tempo = format!("{:.1}", ctx.link.tempo());
+        ctx.dispatch(AppCommand::OpenModal(Modal::SetTempo(tempo)));
+    } else if contains(pattern_area, col, row) {
+        ctx.dispatch(AppCommand::GoToPage(Page::Patterns));
+    } else if contains(stats_area, col, row) {
+        ctx.dispatch(AppCommand::GoToPage(Page::Engine));
     }
 }
 
@@ -325,7 +357,7 @@ fn handle_footer_click(ctx: &mut InputContext, col: u16, row: u16, footer: Rect)
 
 // --- Body ---
 
-fn handle_body_click(ctx: &mut InputContext, col: u16, row: u16, body: Rect) {
+fn handle_body_click(ctx: &mut InputContext, col: u16, row: u16, body: Rect, kind: ClickKind) {
     // Account for side panel splitting
     let page_area = if ctx.app.panel.visible && ctx.app.panel.side.is_some() {
         if body.width >= 120 {
@@ -350,25 +382,31 @@ fn handle_body_click(ctx: &mut InputContext, col: u16, row: u16, body: Rect) {
     }
 
     match ctx.app.page {
-        Page::Main => handle_main_click(ctx, col, row, page_area),
-        Page::Patterns => handle_patterns_click(ctx, col, row, page_area),
+        Page::Main => handle_main_click(ctx, col, row, page_area, kind),
+        Page::Patterns => handle_patterns_click(ctx, col, row, page_area, kind),
         Page::Help => handle_help_click(ctx, col, row, page_area),
         Page::Dict => handle_dict_click(ctx, col, row, page_area),
         Page::Options => handle_options_click(ctx, col, row, page_area),
-        Page::Engine => handle_engine_click(ctx, col, row, page_area),
+        Page::Engine => handle_engine_click(ctx, col, row, page_area, kind),
         Page::Script => handle_script_click(ctx, col, row, page_area),
     }
 }
 
 // --- Main page (grid) ---
 
-fn handle_main_click(ctx: &mut InputContext, col: u16, row: u16, area: Rect) {
+fn handle_main_click(ctx: &mut InputContext, col: u16, row: u16, area: Rect, kind: ClickKind) {
     let [main_area, _, _vu_area] = main_view::layout(area);
 
     if !contains(main_area, col, row) {
         return;
     }
 
+    // Check viz area clicks before sequencer
+    if let Some(cmd) = hit_test_main_viz(ctx, col, row, main_area, kind) {
+        ctx.dispatch(cmd);
+        return;
+    }
+
     let sequencer_area = main_view::sequencer_rect(ctx.app, main_area);
 
     if !contains(sequencer_area, col, row) {
@@ -377,7 +415,103 @@ fn handle_main_click(ctx: &mut InputContext, col: u16, row: u16, area: Rect) {
 
     if let Some(step) = hit_test_grid(ctx, col, row, sequencer_area) {
         ctx.dispatch(AppCommand::GoToStep(step));
+        if kind == ClickKind::Double {
+            ctx.dispatch(AppCommand::OpenModal(Modal::Editor));
         }
+    }
+}
+
+fn hit_test_main_viz(
+    ctx: &InputContext,
+    col: u16,
+    row: u16,
+    main_area: Rect,
+    kind: ClickKind,
+) -> Option<AppCommand> {
+    use crate::state::MainLayout;
+
+    let layout = ctx.app.audio.config.layout;
+    let show_scope = ctx.app.audio.config.show_scope;
+    let show_spectrum = ctx.app.audio.config.show_spectrum;
+    let show_lissajous = ctx.app.audio.config.show_lissajous;
+    let show_preview = ctx.app.audio.config.show_preview;
+
+    let has_viz = show_scope || show_spectrum || show_lissajous || show_preview;
+    if !has_viz {
+        return None;
+    }
+
+    // Determine viz area based on layout
+    let viz_area = if matches!(layout, MainLayout::Top) {
+        // Top layout: render_audio_viz uses only audio panels (no preview)
+        let has_audio_viz = show_scope || show_spectrum || show_lissajous;
+        if !has_audio_viz {
+            return None;
+        }
+        let mut constraints = Vec::new();
+        if has_audio_viz {
+            constraints.push(Constraint::Fill(1));
+        }
+        if show_preview {
+            let ph = if has_audio_viz { 10u16 } else { 14 };
+            constraints.push(Constraint::Length(ph));
+        }
+        constraints.push(Constraint::Fill(1));
+        let areas = Layout::vertical(&constraints).split(main_area);
+        areas[0]
+    } else {
+        let (viz, _) = main_view::viz_seq_split(main_area, layout, has_viz);
+        viz
+    };
+
+    if !contains(viz_area, col, row) {
+        return None;
+    }
+
+    // Build panel list matching render order
+    let is_vertical_layout = matches!(layout, MainLayout::Left | MainLayout::Right);
+    let mut panels: Vec<&str> = Vec::new();
+    if show_scope { panels.push("scope"); }
+    if show_spectrum { panels.push("spectrum"); }
+    if show_lissajous { panels.push("lissajous"); }
+
+    // Top layout uses render_audio_viz (horizontal only, no preview)
+    // Other layouts use render_viz_area (includes preview, vertical if Left/Right)
+    if !matches!(layout, MainLayout::Top) && show_preview {
+        panels.push("preview");
+    }
+
+    if panels.is_empty() {
+        return None;
+    }
+
+    let constraints: Vec<Constraint> = panels.iter().map(|_| Constraint::Fill(1)).collect();
+    let areas: Vec<Rect> = if is_vertical_layout && !matches!(layout, MainLayout::Top) {
+        Layout::vertical(&constraints).split(viz_area).to_vec()
+    } else {
+        Layout::horizontal(&constraints).split(viz_area).to_vec()
+    };
+
+    for (panel, panel_area) in panels.iter().zip(areas.iter()) {
+        if contains(*panel_area, col, row) {
+            return match *panel {
+                "scope" => Some(if kind == ClickKind::Double {
+                    AppCommand::FlipScopeOrientation
+                } else {
+                    AppCommand::CycleScopeMode
+                }),
+                "lissajous" => Some(AppCommand::ToggleLissajousTrails),
+                "spectrum" => Some(if kind == ClickKind::Double {
+                    AppCommand::ToggleSpectrumPeaks
+                } else {
+                    AppCommand::CycleSpectrumMode
+                }),
+                _ => None,
+            };
+        }
+    }
+
+    None
 }
 
 fn hit_test_grid(ctx: &InputContext, col: u16, row: u16, area: Rect) -> Option<usize> {
@@ -402,7 +536,7 @@ fn hit_test_grid(ctx: &InputContext, col: u16, row: u16, area: Rect) -> Option<u
 
 // --- Patterns page ---
 
-fn handle_patterns_click(ctx: &mut InputContext, col: u16, row: u16, area: Rect) {
+fn handle_patterns_click(ctx: &mut InputContext, col: u16, row: u16, area: Rect, kind: ClickKind) {
     let [banks_area, patterns_area, _] = patterns_view::layout(area);
 
     if contains(banks_area, col, row) {
@@ -414,6 +548,9 @@ fn handle_patterns_click(ctx: &mut InputContext, col: u16, row: u16, area: Rect)
         if let Some(pattern) = hit_test_patterns_list(ctx, col, row, patterns_area, false) {
             ctx.app.patterns_nav.column = PatternsColumn::Patterns;
             ctx.dispatch(AppCommand::PatternsSelectPattern(pattern));
+            if kind == ClickKind::Double {
+                ctx.dispatch(AppCommand::PatternsEnter);
+            }
         }
     }
 }
@@ -787,8 +924,37 @@ 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) {
-    let [left_col, _, _] = engine_view::layout(area);
+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;
+    }
 
     if !contains(left_col, col, row) {
         return;

src/state/audio.rs

@@ -17,6 +17,40 @@ impl CyclicEnum for MainLayout {
     const VARIANTS: &'static [Self] = &[Self::Top, Self::Bottom, Self::Left, Self::Right];
 }
 
+#[derive(Clone, Copy, PartialEq, Eq, Default)]
+pub enum ScopeMode {
+    #[default]
+    Line,
+    Filled,
+}
+
+impl ScopeMode {
+    pub fn toggle(self) -> Self {
+        match self {
+            Self::Line => Self::Filled,
+            Self::Filled => Self::Line,
+        }
+    }
+}
+
+#[derive(Clone, Copy, PartialEq, Eq, Default)]
+pub enum SpectrumMode {
+    #[default]
+    Bars,
+    Line,
+    Filled,
+}
+
+impl SpectrumMode {
+    pub fn cycle(self) -> Self {
+        match self {
+            Self::Bars => Self::Line,
+            Self::Line => Self::Filled,
+            Self::Filled => Self::Bars,
+        }
+    }
+}
+
 #[derive(Clone, Copy, PartialEq, Eq, Default)]
 pub enum RefreshRate {
     #[default]
@@ -88,6 +122,11 @@ pub struct AudioConfig {
     pub gain_boost: f32,
     pub normalize_viz: bool,
     pub layout: MainLayout,
+    pub scope_mode: ScopeMode,
+    pub scope_vertical: bool,
+    pub lissajous_trails: bool,
+    pub spectrum_mode: SpectrumMode,
+    pub spectrum_peaks: bool,
 }
 
 impl Default for AudioConfig {
@@ -110,6 +149,11 @@ impl Default for AudioConfig {
             gain_boost: 1.0,
             normalize_viz: false,
             layout: MainLayout::default(),
+            scope_mode: ScopeMode::default(),
+            scope_vertical: false,
+            lissajous_trails: false,
+            spectrum_mode: SpectrumMode::default(),
+            spectrum_peaks: false,
         }
     }
 }

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, SettingKind};
+pub use audio::{AudioSettings, DeviceKind, EngineSection, MainLayout, Metrics, ScopeMode, SettingKind, SpectrumMode};
 pub use color_scheme::ColorScheme;
 pub use editor::{
     CopiedStepData, CopiedSteps, EditorContext, EditorTarget, EuclideanField, PatternField,

src/state/ui.rs

@@ -85,6 +85,7 @@ pub struct UiState {
     pub demo_index: usize,
     pub nav_indicator_until: Option<Instant>,
     pub nav_fx: RefCell<Option<Effect>>,
+    pub last_click: Option<(Instant, u16, u16)>,
 }
 
 impl Default for UiState {
@@ -139,6 +140,7 @@ impl Default for UiState {
             demo_index: 0,
             nav_indicator_until: None,
             nav_fx: RefCell::new(None),
+            last_click: None,
         }
     }
 }

src/views/engine_view.rs

@@ -8,9 +8,10 @@ use ratatui::Frame;
 use crate::app::App;
 use crate::state::{DeviceKind, EngineSection, SettingKind};
 use crate::theme;
+use crate::state::{ScopeMode, SpectrumMode};
 use crate::widgets::{
     render_scroll_indicators, render_section_header, IndicatorAlign, Lissajous, Orientation, Scope,
-    Spectrum,
+    Spectrum, SpectrumStyle, Waveform,
 };
 
 pub fn layout(area: Rect) -> [Rect; 3] {
@@ -182,12 +183,28 @@ fn render_scope(frame: &mut Frame, app: &App, area: Rect) {
     let inner = block.inner(area);
     frame.render_widget(block, area);
 
+    let orientation = if app.audio.config.scope_vertical {
+        Orientation::Vertical
+    } else {
+        Orientation::Horizontal
+    };
     let gain = viz_gain(&app.metrics.scope, &app.audio.config);
+    match app.audio.config.scope_mode {
+        ScopeMode::Line => {
             let scope = Scope::new(&app.metrics.scope)
-        .orientation(Orientation::Horizontal)
+                .orientation(orientation)
                 .color(theme.meter.low)
                 .gain(gain);
             frame.render_widget(scope, inner);
+        }
+        ScopeMode::Filled => {
+            let waveform = Waveform::new(&app.metrics.scope)
+                .orientation(orientation)
+                .color(theme.meter.low)
+                .gain(gain);
+            frame.render_widget(waveform, inner);
+        }
+    }
 }
 
 fn render_lissajous(frame: &mut Frame, app: &App, area: Rect) {
@@ -209,7 +226,8 @@ fn render_lissajous(frame: &mut Frame, app: &App, area: Rect) {
     };
     let lissajous = Lissajous::new(&app.metrics.scope, &app.metrics.scope_right)
         .color(theme.meter.low)
-        .gain(gain);
+        .gain(gain)
+        .trails(app.audio.config.lissajous_trails);
     frame.render_widget(lissajous, inner);
 }
 
@@ -228,8 +246,15 @@ fn render_spectrum(frame: &mut Frame, app: &App, area: Rect) {
     } else {
         1.0
     };
+    let style = match app.audio.config.spectrum_mode {
+        SpectrumMode::Bars => SpectrumStyle::Bars,
+        SpectrumMode::Line => SpectrumStyle::Line,
+        SpectrumMode::Filled => SpectrumStyle::Filled,
+    };
     let spectrum = Spectrum::new(&app.metrics.spectrum)
-        .gain(gain);
+        .gain(gain)
+        .style(style)
+        .peaks(app.audio.config.spectrum_peaks);
     frame.render_widget(spectrum, inner);
 }
 

src/views/main_view.rs

@@ -12,7 +12,8 @@ use crate::engine::SequencerSnapshot;
 use crate::state::MainLayout;
 use crate::theme;
 use crate::views::render::highlight_script_lines;
-use crate::widgets::{Lissajous, Orientation, Scope, Spectrum, VuMeter};
+use crate::state::{ScopeMode, SpectrumMode};
+use crate::widgets::{Lissajous, Orientation, Scope, Spectrum, SpectrumStyle, VuMeter, Waveform};
 
 pub fn layout(area: Rect) -> [Rect; 3] {
     Layout::horizontal([
@@ -499,12 +500,28 @@ pub(crate) fn render_scope(frame: &mut Frame, app: &App, area: Rect, orientation
     let inner = block.inner(area);
     frame.render_widget(block, area);
 
+    let orientation = if app.audio.config.scope_vertical {
+        Orientation::Vertical
+    } else {
+        orientation
+    };
     let gain = viz_gain(&app.metrics.scope, &app.audio.config);
+    match app.audio.config.scope_mode {
+        ScopeMode::Line => {
             let scope = Scope::new(&app.metrics.scope)
                 .orientation(orientation)
                 .color(theme.meter.low)
                 .gain(gain);
             frame.render_widget(scope, inner);
+        }
+        ScopeMode::Filled => {
+            let waveform = Waveform::new(&app.metrics.scope)
+                .orientation(orientation)
+                .color(theme.meter.low)
+                .gain(gain);
+            frame.render_widget(waveform, inner);
+        }
+    }
 }
 
 pub(crate) fn render_spectrum(frame: &mut Frame, app: &App, area: Rect) {
@@ -520,8 +537,15 @@ pub(crate) fn render_spectrum(frame: &mut Frame, app: &App, area: Rect) {
     } else {
         1.0
     };
+    let style = match app.audio.config.spectrum_mode {
+        SpectrumMode::Bars => SpectrumStyle::Bars,
+        SpectrumMode::Line => SpectrumStyle::Line,
+        SpectrumMode::Filled => SpectrumStyle::Filled,
+    };
     let spectrum = Spectrum::new(&app.metrics.spectrum)
-        .gain(gain);
+        .gain(gain)
+        .style(style)
+        .peaks(app.audio.config.spectrum_peaks);
     frame.render_widget(spectrum, inner);
 }
 
@@ -542,7 +566,8 @@ pub(crate) fn render_lissajous(frame: &mut Frame, app: &App, area: Rect) {
     };
     let lissajous = Lissajous::new(&app.metrics.scope, &app.metrics.scope_right)
         .color(theme.meter.low)
-        .gain(gain);
+        .gain(gain)
+        .trails(app.audio.config.lissajous_trails);
     frame.render_widget(lissajous, inner);
 }
 

src/views/render.rs

@@ -371,8 +371,9 @@ fn render_header(
 
     let pad = Padding::vertical(1);
 
-    let [transport_area, live_area, tempo_area, bank_area, pattern_area, stats_area] =
+    let [logo_area, transport_area, live_area, tempo_area, bank_area, pattern_area, stats_area] =
         Layout::horizontal([
+            Constraint::Length(5),
             Constraint::Min(12),
             Constraint::Length(9),
             Constraint::Min(14),
@@ -382,6 +383,18 @@ fn render_header(
         ])
         .areas(area);
 
+    // Logo
+    let logo_style = Style::new()
+        .bg(theme.header.bank_bg)
+        .fg(theme.ui.accent)
+        .add_modifier(Modifier::BOLD);
+    frame.render_widget(
+        Paragraph::new("\u{28ff}")
+            .block(Block::default().padding(pad).style(logo_style))
+            .alignment(Alignment::Center),
+        logo_area,
+    );
+
     // Transport block
     let (transport_bg, transport_text) = if app.playback.playing {
         (theme.status.playing_bg, " ▶ PLAYING ")

src/widgets/mod.rs

@@ -2,5 +2,5 @@ pub use cagire_ratatui::{
     hint_line, render_props_form, render_scroll_indicators, render_search_bar,
     render_section_header, CategoryItem, CategoryList, ConfirmModal, FileBrowserModal,
     IndicatorAlign, Lissajous, ModalFrame, NavMinimap, NavTile, Orientation, SampleBrowser, Scope,
-    Selection, Spectrum, TextInputModal, VuMeter, Waveform,
+    Selection, Spectrum, SpectrumStyle, TextInputModal, VuMeter, Waveform,
 };

tests/forth/sound.rs

@@ -230,19 +230,19 @@ fn noall_clears_across_evaluations() {
 #[test]
 fn rec() {
     let outputs = expect_outputs(r#""loop1" rec"#, 1);
-    assert_eq!(outputs[0], "/rec/rec/sound/loop1");
+    assert_eq!(outputs[0], "/doux/rec/sound/loop1");
 }
 
 #[test]
 fn overdub() {
     let outputs = expect_outputs(r#""loop1" overdub"#, 1);
-    assert_eq!(outputs[0], "/rec/rec/sound/loop1/overdub/1");
+    assert_eq!(outputs[0], "/doux/rec/sound/loop1/overdub/1");
 }
 
 #[test]
 fn overdub_alias_dub() {
     let outputs = expect_outputs(r#""loop1" dub"#, 1);
-    assert_eq!(outputs[0], "/rec/rec/sound/loop1/overdub/1");
+    assert_eq!(outputs[0], "/doux/rec/sound/loop1/overdub/1");
 }
 
 #[test]