So much better

crates/project/src/lib.rs

@@ -1,10 +1,10 @@
 mod file;
 mod project;
 
-pub const MAX_BANKS: usize = 16;
+pub const MAX_BANKS: usize = 32;
-pub const MAX_PATTERNS: usize = 16;
+pub const MAX_PATTERNS: usize = 32;
 pub const MAX_STEPS: usize = 128;
 pub const DEFAULT_LENGTH: usize = 16;
 
 pub use file::{load, save, FileError};
-pub use project::{Bank, Pattern, PatternSpeed, Project, Step};
+pub use project::{Bank, LaunchQuantization, Pattern, PatternSpeed, Project, Step, SyncMode};

crates/project/src/project.rs

@@ -4,7 +4,7 @@ use serde::{Deserialize, Serialize};
 
 use crate::{DEFAULT_LENGTH, MAX_BANKS, MAX_PATTERNS, MAX_STEPS};
 
-#[derive(Clone, Copy, Serialize, Deserialize, Default, PartialEq)]
+#[derive(Clone, Copy, Serialize, Deserialize, Default, PartialEq, Eq)]
 pub enum PatternSpeed {
     Eighth,  // 1/8x
     Quarter, // 1/4x
@@ -79,6 +79,75 @@ impl PatternSpeed {
     }
 }
 
+#[derive(Clone, Copy, Serialize, Deserialize, Default, PartialEq, Eq)]
+pub enum LaunchQuantization {
+    Immediate,
+    Beat,
+    #[default]
+    Bar,
+    Bars2,
+    Bars4,
+    Bars8,
+}
+
+impl LaunchQuantization {
+    pub fn label(&self) -> &'static str {
+        match self {
+            Self::Immediate => "Immediate",
+            Self::Beat => "Beat",
+            Self::Bar => "1 Bar",
+            Self::Bars2 => "2 Bars",
+            Self::Bars4 => "4 Bars",
+            Self::Bars8 => "8 Bars",
+        }
+    }
+
+    pub fn next(&self) -> Self {
+        match self {
+            Self::Immediate => Self::Beat,
+            Self::Beat => Self::Bar,
+            Self::Bar => Self::Bars2,
+            Self::Bars2 => Self::Bars4,
+            Self::Bars4 => Self::Bars8,
+            Self::Bars8 => Self::Bars8,
+        }
+    }
+
+    pub fn prev(&self) -> Self {
+        match self {
+            Self::Immediate => Self::Immediate,
+            Self::Beat => Self::Immediate,
+            Self::Bar => Self::Beat,
+            Self::Bars2 => Self::Bar,
+            Self::Bars4 => Self::Bars2,
+            Self::Bars8 => Self::Bars4,
+        }
+    }
+}
+
+#[derive(Clone, Copy, Serialize, Deserialize, Default, PartialEq, Eq)]
+pub enum SyncMode {
+    #[default]
+    Reset,
+    PhaseLock,
+}
+
+impl SyncMode {
+    pub fn label(&self) -> &'static str {
+        match self {
+            Self::Reset => "Reset",
+            Self::PhaseLock => "Phase-Lock",
+        }
+    }
+
+    pub fn toggle(&self) -> Self {
+        match self {
+            Self::Reset => Self::PhaseLock,
+            Self::PhaseLock => Self::Reset,
+        }
+    }
+}
+
 #[derive(Clone, Serialize, Deserialize)]
 pub struct Step {
     pub active: bool,
@@ -108,6 +177,10 @@ pub struct Pattern {
     pub speed: PatternSpeed,
     #[serde(default)]
     pub name: Option<String>,
+    #[serde(default)]
+    pub quantization: LaunchQuantization,
+    #[serde(default)]
+    pub sync_mode: SyncMode,
 }
 
 impl Default for Pattern {
@@ -117,6 +190,8 @@ impl Default for Pattern {
             length: DEFAULT_LENGTH,
             speed: PatternSpeed::default(),
             name: None,
+            quantization: LaunchQuantization::default(),
+            sync_mode: SyncMode::default(),
         }
     }
 }

crates/ratatui/src/editor.rs

@@ -60,6 +60,40 @@ pub struct Editor {
     search: SearchState,
 }
 
+impl Editor {
+    pub fn start_selection(&mut self) {
+        self.text.start_selection();
+    }
+
+    pub fn cancel_selection(&mut self) {
+        self.text.cancel_selection();
+    }
+
+    pub fn is_selecting(&self) -> bool {
+        self.text.is_selecting()
+    }
+
+    pub fn copy(&mut self) {
+        self.text.copy();
+    }
+
+    pub fn cut(&mut self) -> bool {
+        self.text.cut()
+    }
+
+    pub fn paste(&mut self) -> bool {
+        self.text.paste()
+    }
+
+    pub fn select_all(&mut self) {
+        self.text.select_all();
+    }
+
+    pub fn selection_range(&self) -> Option<((usize, usize), (usize, usize))> {
+        self.text.selection_range()
+    }
+}
+
 impl Default for Editor {
     fn default() -> Self {
         Self::new()
@@ -300,6 +334,9 @@ impl Editor {
     pub fn render(&self, frame: &mut Frame, area: Rect, highlighter: Highlighter) {
         let (cursor_row, cursor_col) = self.text.cursor();
         let cursor_style = Style::default().bg(Color::White).fg(Color::Black);
+        let selection_style = Style::default().bg(Color::Rgb(60, 80, 120));
+
+        let selection = self.text.selection_range();
 
         let lines: Vec<Line> = self
             .text
@@ -309,39 +346,30 @@ impl Editor {
             .map(|(row, line)| {
                 let tokens = highlighter(row, line);
                 let mut spans: Vec<Span> = Vec::new();
+                let mut col = 0;
 
-                if row == cursor_row {
+                for (base_style, text) in tokens {
-                    let mut col = 0;
+                    for ch in text.chars() {
-                    for (style, text) in tokens {
+                        let is_cursor = row == cursor_row && col == cursor_col;
-                        let text_len = text.chars().count();
+                        let is_selected = is_in_selection(row, col, selection);
-                        if cursor_col >= col && cursor_col < col + text_len {
-                            let before = text.chars().take(cursor_col - col).collect::<String>();
-                            let cursor_char =
-                                text.chars().nth(cursor_col - col).unwrap_or(' ');
-                            let after =
-                                text.chars().skip(cursor_col - col + 1).collect::<String>();
 
-                            if !before.is_empty() {
+                        let style = if is_cursor {
-                                spans.push(Span::styled(before, style));
+                            cursor_style
-                            }
+                        } else if is_selected {
-                            spans.push(Span::styled(cursor_char.to_string(), cursor_style));
+                            base_style.bg(selection_style.bg.unwrap())
-                            if !after.is_empty() {
-                                spans.push(Span::styled(after, style));
-                            }
                         } else {
-                            spans.push(Span::styled(text, style));
+                            base_style
-                        }
+                        };
-                        col += text_len;
+
-                    }
+                        spans.push(Span::styled(ch.to_string(), style));
-                    if cursor_col >= col {
+                        col += 1;
-                        spans.push(Span::styled(" ", cursor_style));
-                    }
-                } else {
-                    for (style, text) in tokens {
-                        spans.push(Span::styled(text, style));
                     }
                 }
 
+                if row == cursor_row && cursor_col >= col {
+                    spans.push(Span::styled(" ", cursor_style));
+                }
+
                 Line::from(spans)
             })
             .collect();
@@ -468,3 +496,23 @@ impl Editor {
 fn is_word_char(c: char) -> bool {
     c.is_alphanumeric() || matches!(c, '!' | '@' | '?' | '.' | ':' | '_' | '#')
 }
+
+fn is_in_selection(row: usize, col: usize, selection: Option<((usize, usize), (usize, usize))>) -> bool {
+    let Some(((start_row, start_col), (end_row, end_col))) = selection else {
+        return false;
+    };
+
+    if row < start_row || row > end_row {
+        return false;
+    }
+
+    if row == start_row && row == end_row {
+        col >= start_col && col < end_col
+    } else if row == start_row {
+        col >= start_col
+    } else if row == end_row {
+        col < end_col
+    } else {
+        true
+    }
+}

src/app.rs

@@ -16,7 +16,8 @@ use crate::services::pattern_editor;
 use crate::settings::Settings;
 use crate::state::{
     AudioSettings, DictFocus, EditorContext, FlashKind, Focus, LiveKeyState, Metrics, Modal,
-    OptionsState, PanelState, PatternField, PatternsNav, PlaybackState, ProjectState, UiState,
+    OptionsState, PanelState, PatternField, PatternPropsField, PatternsNav, PlaybackState,
+    ProjectState, StagedChange, UiState,
 };
 use crate::views::{dict_view, help_view};
 
@@ -399,48 +400,76 @@ impl App {
         }
     }
 
-    pub fn toggle_pattern_playback(
+    pub fn stage_pattern_toggle(
         &mut self,
         bank: usize,
         pattern: usize,
         snapshot: &SequencerSnapshot,
     ) {
         let is_playing = snapshot.is_playing(bank, pattern);
+        let pattern_data = self.project_state.project.pattern_at(bank, pattern);
 
-        let pending = self
+        let existing = self
             .playback
-            .queued_changes
+            .staged_changes
             .iter()
-            .position(|c| c.pattern_id().bank == bank && c.pattern_id().pattern == pattern);
+            .position(|c| {
+                c.change.pattern_id().bank == bank && c.change.pattern_id().pattern == pattern
+            });
 
-        if let Some(idx) = pending {
+        if let Some(idx) = existing {
-            self.playback.queued_changes.remove(idx);
+            self.playback.staged_changes.remove(idx);
             self.ui.set_status(format!(
-                "B{:02}:P{:02} change cancelled",
+                "B{:02}:P{:02} unstaged",
                 bank + 1,
                 pattern + 1
             ));
         } else if is_playing {
-            self.playback
+            self.playback.staged_changes.push(StagedChange {
-                .queued_changes
+                change: PatternChange::Stop { bank, pattern },
-                .push(PatternChange::Stop { bank, pattern });
+                quantization: pattern_data.quantization,
+                sync_mode: pattern_data.sync_mode,
+            });
             self.ui.set_status(format!(
-                "B{:02}:P{:02} queued to stop",
+                "B{:02}:P{:02} staged to stop",
                 bank + 1,
                 pattern + 1
             ));
         } else {
-            self.playback
+            self.playback.staged_changes.push(StagedChange {
-                .queued_changes
+                change: PatternChange::Start { bank, pattern },
-                .push(PatternChange::Start { bank, pattern });
+                quantization: pattern_data.quantization,
+                sync_mode: pattern_data.sync_mode,
+            });
             self.ui.set_status(format!(
-                "B{:02}:P{:02} queued to play",
+                "B{:02}:P{:02} staged to play",
                 bank + 1,
                 pattern + 1
             ));
         }
     }
 
+    pub fn commit_staged_changes(&mut self) {
+        if self.playback.staged_changes.is_empty() {
+            self.ui.set_status("No changes to commit".to_string());
+            return;
+        }
+        let count = self.playback.staged_changes.len();
+        self.playback
+            .queued_changes
+            .append(&mut self.playback.staged_changes);
+        self.ui.set_status(format!("Committed {count} changes"));
+    }
+
+    pub fn clear_staged_changes(&mut self) {
+        if self.playback.staged_changes.is_empty() {
+            return;
+        }
+        let count = self.playback.staged_changes.len();
+        self.playback.staged_changes.clear();
+        self.ui.set_status(format!("Cleared {count} staged changes"));
+    }
+
     pub fn select_edit_pattern(&mut self, pattern: usize) {
         self.editor_ctx.pattern = pattern;
         self.editor_ctx.step = 0;
@@ -724,6 +753,20 @@ impl App {
         };
     }
 
+    pub fn open_pattern_props_modal(&mut self, bank: usize, pattern: usize) {
+        let pat = self.project_state.project.pattern_at(bank, pattern);
+        self.ui.modal = Modal::PatternProps {
+            bank,
+            pattern,
+            field: PatternPropsField::default(),
+            name: pat.name.clone().unwrap_or_default(),
+            length: pat.length.to_string(),
+            speed: pat.speed,
+            quantization: pat.quantization,
+            sync_mode: pat.sync_mode,
+        };
+    }
+
     pub fn dispatch(&mut self, cmd: AppCommand, link: &LinkState, snapshot: &SequencerSnapshot) {
         match cmd {
             // Playback
@@ -815,12 +858,15 @@ impl App {
             AppCommand::LinkPasteStep => self.link_paste_step(),
             AppCommand::HardenStep => self.harden_step(),
 
-            // Pattern playback
+            // Pattern playback (staging)
-            AppCommand::QueuePatternChange(change) => {
+            AppCommand::StagePatternToggle { bank, pattern } => {
-                self.playback.queued_changes.push(change);
+                self.stage_pattern_toggle(bank, pattern, snapshot);
             }
-            AppCommand::TogglePatternPlayback { bank, pattern } => {
+            AppCommand::CommitStagedChanges => {
-                self.toggle_pattern_playback(bank, pattern, snapshot);
+                self.commit_staged_changes();
+            }
+            AppCommand::ClearStagedChanges => {
+                self.clear_staged_changes();
             }
 
             // Project
@@ -859,6 +905,28 @@ impl App {
             }
             AppCommand::CloseModal => self.ui.modal = Modal::None,
             AppCommand::OpenPatternModal(field) => self.open_pattern_modal(field),
+            AppCommand::OpenPatternPropsModal { bank, pattern } => {
+                self.open_pattern_props_modal(bank, pattern);
+            }
+            AppCommand::SetPatternProps {
+                bank,
+                pattern,
+                name,
+                length,
+                speed,
+                quantization,
+                sync_mode,
+            } => {
+                let pat = self.project_state.project.pattern_at_mut(bank, pattern);
+                pat.name = name;
+                if let Some(len) = length {
+                    pat.set_length(len);
+                }
+                pat.speed = speed;
+                pat.quantization = quantization;
+                pat.sync_mode = sync_mode;
+                self.project_state.mark_dirty(bank, pattern);
+            }
 
             // Page navigation
             AppCommand::PageLeft => self.page.left(),
@@ -953,19 +1021,28 @@ impl App {
             AppCommand::PatternsTogglePlay => {
                 let bank = self.patterns_nav.selected_bank();
                 let pattern = self.patterns_nav.selected_pattern();
-                self.toggle_pattern_playback(bank, pattern, snapshot);
+                self.stage_pattern_toggle(bank, pattern, snapshot);
             }
         }
     }
 
     pub fn flush_queued_changes(&mut self, cmd_tx: &Sender<SeqCommand>) {
-        for change in self.playback.queued_changes.drain(..) {
+        for staged in self.playback.queued_changes.drain(..) {
-            match change {
+            match staged.change {
                 PatternChange::Start { bank, pattern } => {
-                    let _ = cmd_tx.send(SeqCommand::PatternStart { bank, pattern });
+                    let _ = cmd_tx.send(SeqCommand::PatternStart {
+                        bank,
+                        pattern,
+                        quantization: staged.quantization,
+                        sync_mode: staged.sync_mode,
+                    });
                 }
                 PatternChange::Stop { bank, pattern } => {
-                    let _ = cmd_tx.send(SeqCommand::PatternStop { bank, pattern });
+                    let _ = cmd_tx.send(SeqCommand::PatternStop {
+                        bank,
+                        pattern,
+                        quantization: staged.quantization,
+                    });
                 }
             }
         }
@@ -987,6 +1064,8 @@ impl App {
                         source: s.source,
                     })
                     .collect(),
+                quantization: pat.quantization,
+                sync_mode: pat.sync_mode,
             };
             let _ = cmd_tx.send(SeqCommand::PatternUpdate {
                 bank,

src/commands.rs

@@ -1,7 +1,6 @@
 use std::path::PathBuf;
 
-use crate::engine::PatternChange;
+use crate::model::{LaunchQuantization, PatternSpeed, SyncMode};
-use crate::model::PatternSpeed;
 use crate::state::{FlashKind, Modal, PatternField};
 
 #[allow(dead_code)]
@@ -74,12 +73,13 @@ pub enum AppCommand {
     LinkPasteStep,
     HardenStep,
 
-    // Pattern playback
+    // Pattern playback (staging)
-    QueuePatternChange(PatternChange),
+    StagePatternToggle {
-    TogglePatternPlayback {
         bank: usize,
         pattern: usize,
     },
+    CommitStagedChanges,
+    ClearStagedChanges,
 
     // Project
     RenameBank {
@@ -105,6 +105,19 @@ pub enum AppCommand {
     OpenModal(Modal),
     CloseModal,
     OpenPatternModal(PatternField),
+    OpenPatternPropsModal {
+        bank: usize,
+        pattern: usize,
+    },
+    SetPatternProps {
+        bank: usize,
+        pattern: usize,
+        name: Option<String>,
+        length: Option<usize>,
+        speed: PatternSpeed,
+        quantization: LaunchQuantization,
+        sync_mode: SyncMode,
+    },
 
     // Page navigation
     PageLeft,

src/engine/sequencer.rs

@@ -7,7 +7,7 @@ use std::time::Duration;
 use thread_priority::{set_current_thread_priority, ThreadPriority};
 
 use super::LinkState;
-use crate::model::{MAX_BANKS, MAX_PATTERNS};
+use crate::model::{LaunchQuantization, SyncMode, MAX_BANKS, MAX_PATTERNS};
 use crate::model::{Dictionary, ExecutionTrace, Rng, ScriptEngine, StepContext, Value, Variables};
 use crate::state::LiveKeyState;
 
@@ -56,10 +56,13 @@ pub enum SeqCommand {
     PatternStart {
         bank: usize,
         pattern: usize,
+        quantization: LaunchQuantization,
+        sync_mode: SyncMode,
     },
     PatternStop {
         bank: usize,
         pattern: usize,
+        quantization: LaunchQuantization,
     },
     Shutdown,
 }
@@ -69,6 +72,8 @@ pub struct PatternSnapshot {
     pub speed: crate::model::PatternSpeed,
     pub length: usize,
     pub steps: Vec<StepSnapshot>,
+    pub quantization: LaunchQuantization,
+    pub sync_mode: SyncMode,
 }
 
 #[derive(Clone)]
@@ -165,11 +170,18 @@ struct ActivePattern {
     iter: usize,
 }
 
+#[derive(Clone, Copy)]
+struct PendingPattern {
+    id: PatternId,
+    quantization: LaunchQuantization,
+    sync_mode: SyncMode,
+}
+
 struct AudioState {
     prev_beat: f64,
     active_patterns: HashMap<PatternId, ActivePattern>,
-    pending_starts: Vec<PatternId>,
+    pending_starts: Vec<PendingPattern>,
-    pending_stops: Vec<PatternId>,
+    pending_stops: Vec<PendingPattern>,
 }
 
 impl AudioState {
@@ -275,6 +287,41 @@ impl PatternSnapshot {
     }
 }
 
+fn check_quantization_boundary(
+    quantization: LaunchQuantization,
+    beat: f64,
+    prev_beat: f64,
+    quantum: f64,
+) -> bool {
+    if prev_beat < 0.0 {
+        return false;
+    }
+    match quantization {
+        LaunchQuantization::Immediate => true,
+        LaunchQuantization::Beat => beat.floor() as i64 != prev_beat.floor() as i64,
+        LaunchQuantization::Bar => {
+            let bar = (beat / quantum).floor() as i64;
+            let prev_bar = (prev_beat / quantum).floor() as i64;
+            bar != prev_bar
+        }
+        LaunchQuantization::Bars2 => {
+            let bars2 = (beat / (quantum * 2.0)).floor() as i64;
+            let prev_bars2 = (prev_beat / (quantum * 2.0)).floor() as i64;
+            bars2 != prev_bars2
+        }
+        LaunchQuantization::Bars4 => {
+            let bars4 = (beat / (quantum * 4.0)).floor() as i64;
+            let prev_bars4 = (prev_beat / (quantum * 4.0)).floor() as i64;
+            bars4 != prev_bars4
+        }
+        LaunchQuantization::Bars8 => {
+            let bars8 = (beat / (quantum * 8.0)).floor() as i64;
+            let prev_bars8 = (prev_beat / (quantum * 8.0)).floor() as i64;
+            bars8 != prev_bars8
+        }
+    }
+}
+
 type StepKey = (usize, usize, usize);
 
 struct RunsCounter {
@@ -332,18 +379,35 @@ fn sequencer_loop(
                 } => {
                     pattern_cache.set(bank, pattern, data);
                 }
-                SeqCommand::PatternStart { bank, pattern } => {
+                SeqCommand::PatternStart {
+                    bank,
+                    pattern,
+                    quantization,
+                    sync_mode,
+                } => {
                     let id = PatternId { bank, pattern };
-                    audio_state.pending_stops.retain(|p| *p != id);
+                    audio_state.pending_stops.retain(|p| p.id != id);
-                    if !audio_state.pending_starts.contains(&id) {
+                    if !audio_state.pending_starts.iter().any(|p| p.id == id) {
-                        audio_state.pending_starts.push(id);
+                        audio_state.pending_starts.push(PendingPattern {
+                            id,
+                            quantization,
+                            sync_mode,
+                        });
                     }
                 }
-                SeqCommand::PatternStop { bank, pattern } => {
+                SeqCommand::PatternStop {
+                    bank,
+                    pattern,
+                    quantization,
+                } => {
                     let id = PatternId { bank, pattern };
-                    audio_state.pending_starts.retain(|p| *p != id);
+                    audio_state.pending_starts.retain(|p| p.id != id);
-                    if !audio_state.pending_stops.contains(&id) {
+                    if !audio_state.pending_stops.iter().any(|p| p.id == id) {
-                        audio_state.pending_stops.push(id);
+                        audio_state.pending_stops.push(PendingPattern {
+                            id,
+                            quantization,
+                            sync_mode: SyncMode::Reset,
+                        });
                     }
                 }
                 SeqCommand::Shutdown => {
@@ -362,31 +426,67 @@ fn sequencer_loop(
         let beat = state.beat_at_time(time, quantum);
         let tempo = state.tempo();
 
-        let bar = (beat / quantum).floor() as i64;
+        let prev_beat = audio_state.prev_beat;
-        let prev_bar = (audio_state.prev_beat / quantum).floor() as i64;
         let mut stopped_chain_keys: Vec<String> = Vec::new();
-        if bar != prev_bar && audio_state.prev_beat >= 0.0 {
+
-            for id in audio_state.pending_starts.drain(..) {
+        // Process pending starts with per-pattern quantization
+        let mut started_ids: Vec<PatternId> = Vec::new();
+        for pending in &audio_state.pending_starts {
+            let should_start = check_quantization_boundary(
+                pending.quantization,
+                beat,
+                prev_beat,
+                quantum,
+            );
+            if should_start {
+                let start_step = match pending.sync_mode {
+                    SyncMode::Reset => 0,
+                    SyncMode::PhaseLock => {
+                        if let Some(pat) = pattern_cache.get(pending.id.bank, pending.id.pattern) {
+                            let speed_mult = pat.speed.multiplier();
+                            ((beat * 4.0 * speed_mult) as usize) % pat.length
+                        } else {
+                            0
+                        }
+                    }
+                };
                 audio_state.active_patterns.insert(
-                    id,
+                    pending.id,
                     ActivePattern {
-                        bank: id.bank,
+                        bank: pending.id.bank,
-                        pattern: id.pattern,
+                        pattern: pending.id.pattern,
-                        step_index: 0,
+                        step_index: start_step,
                         iter: 0,
                     },
                 );
-            }
+                started_ids.push(pending.id);
-            for id in audio_state.pending_stops.drain(..) {
-                audio_state.active_patterns.remove(&id);
-                step_traces.retain(|&(bank, pattern, _), _| {
-                    bank != id.bank || pattern != id.pattern
-                });
-                stopped_chain_keys.push(format!("__chain_{}_{}__", id.bank, id.pattern));
             }
         }
+        audio_state.pending_starts.retain(|p| !started_ids.contains(&p.id));
+
+        // Process pending stops with per-pattern quantization
+        let mut stopped_ids: Vec<PatternId> = Vec::new();
+        for pending in &audio_state.pending_stops {
+            let should_stop = check_quantization_boundary(
+                pending.quantization,
+                beat,
+                prev_beat,
+                quantum,
+            );
+            if should_stop {
+                audio_state.active_patterns.remove(&pending.id);
+                step_traces.retain(|&(bank, pattern, _), _| {
+                    bank != pending.id.bank || pattern != pending.id.pattern
+                });
+                stopped_chain_keys.push(format!(
+                    "__chain_{}_{}__",
+                    pending.id.bank, pending.id.pattern
+                ));
+                stopped_ids.push(pending.id);
+            }
+        }
+        audio_state.pending_stops.retain(|p| !stopped_ids.contains(&p.id));
 
-        let prev_beat = audio_state.prev_beat;
         let mut chain_transitions: Vec<(PatternId, PatternId)> = Vec::new();
         let mut chain_keys_to_remove: Vec<String> = Vec::new();
         let mut new_tempo: Option<f64> = None;
@@ -515,13 +615,25 @@ fn sequencer_loop(
             link.set_tempo(t);
         }
 
-        // Apply chain transitions
+        // Apply chain transitions (use Bar quantization for chains)
         for (source, target) in chain_transitions {
-            if !audio_state.pending_stops.contains(&source) {
+            if !audio_state.pending_stops.iter().any(|p| p.id == source) {
-                audio_state.pending_stops.push(source);
+                audio_state.pending_stops.push(PendingPattern {
+                    id: source,
+                    quantization: LaunchQuantization::Bar,
+                    sync_mode: SyncMode::Reset,
+                });
             }
-            if !audio_state.pending_starts.contains(&target) {
+            if !audio_state.pending_starts.iter().any(|p| p.id == target) {
-                audio_state.pending_starts.push(target);
+                let (quant, sync) = pattern_cache
+                    .get(target.bank, target.pattern)
+                    .map(|p| (p.quantization, p.sync_mode))
+                    .unwrap_or((LaunchQuantization::Bar, SyncMode::Reset));
+                audio_state.pending_starts.push(PendingPattern {
+                    id: target,
+                    quantization: quant,
+                    sync_mode: sync,
+                });
             }
         }
 

src/input.rs

@@ -10,7 +10,10 @@ use crate::commands::AppCommand;
 use crate::engine::{AudioCommand, LinkState, SequencerSnapshot};
 use crate::model::PatternSpeed;
 use crate::page::Page;
-use crate::state::{DeviceKind, EngineSection, Modal, OptionsFocus, PanelFocus, PatternField, SampleBrowserState, SettingKind, SidePanel};
+use crate::state::{
+    DeviceKind, EngineSection, Modal, OptionsFocus, PanelFocus, PatternField, PatternPropsField,
+    SampleBrowserState, SettingKind, SidePanel,
+};
 
 pub enum InputResult {
     Continue,
@@ -385,6 +388,7 @@ fn handle_modal_input(ctx: &mut InputContext, key: KeyEvent) -> InputResult {
         },
         Modal::Editor => {
             let ctrl = key.modifiers.contains(KeyModifiers::CONTROL);
+            let shift = key.modifiers.contains(KeyModifiers::SHIFT);
             let editor = &mut ctx.app.editor_ctx.editor;
 
             if editor.search_active() {
@@ -400,7 +404,9 @@ fn handle_modal_input(ctx: &mut InputContext, key: KeyEvent) -> InputResult {
 
             match key.code {
                 KeyCode::Esc => {
-                    if editor.completion_active() {
+                    if editor.is_selecting() {
+                        editor.cancel_selection();
+                    } else if editor.completion_active() {
                         editor.dismiss_completion();
                     } else {
                         ctx.dispatch(AppCommand::SaveEditorToStep);
@@ -421,6 +427,24 @@ fn handle_modal_input(ctx: &mut InputContext, key: KeyEvent) -> InputResult {
                 KeyCode::Char('p') if ctrl => {
                     editor.search_prev();
                 }
+                KeyCode::Char('a') if ctrl => {
+                    editor.select_all();
+                }
+                KeyCode::Char('c') if ctrl => {
+                    editor.copy();
+                }
+                KeyCode::Char('x') if ctrl => {
+                    editor.cut();
+                }
+                KeyCode::Char('v') if ctrl => {
+                    editor.paste();
+                }
+                KeyCode::Left | KeyCode::Right | KeyCode::Up | KeyCode::Down if shift => {
+                    if !editor.is_selecting() {
+                        editor.start_selection();
+                    }
+                    editor.input(Event::Key(key));
+                }
                 _ => {
                     editor.input(Event::Key(key));
                 }
@@ -434,6 +458,71 @@ fn handle_modal_input(ctx: &mut InputContext, key: KeyEvent) -> InputResult {
             KeyCode::Down => ctx.dispatch(AppCommand::StepDown),
             _ => {}
         },
+        Modal::PatternProps {
+            bank,
+            pattern,
+            field,
+            name,
+            length,
+            speed,
+            quantization,
+            sync_mode,
+        } => {
+            let (bank, pattern) = (*bank, *pattern);
+            match key.code {
+                KeyCode::Up => *field = field.prev(),
+                KeyCode::Down | KeyCode::Tab => *field = field.next(),
+                KeyCode::Left => match field {
+                    PatternPropsField::Speed => *speed = speed.prev(),
+                    PatternPropsField::Quantization => *quantization = quantization.prev(),
+                    PatternPropsField::SyncMode => *sync_mode = sync_mode.toggle(),
+                    _ => {}
+                },
+                KeyCode::Right => match field {
+                    PatternPropsField::Speed => *speed = speed.next(),
+                    PatternPropsField::Quantization => *quantization = quantization.next(),
+                    PatternPropsField::SyncMode => *sync_mode = sync_mode.toggle(),
+                    _ => {}
+                },
+                KeyCode::Char(c) => match field {
+                    PatternPropsField::Name => name.push(c),
+                    PatternPropsField::Length if c.is_ascii_digit() => length.push(c),
+                    _ => {}
+                },
+                KeyCode::Backspace => match field {
+                    PatternPropsField::Name => {
+                        name.pop();
+                    }
+                    PatternPropsField::Length => {
+                        length.pop();
+                    }
+                    _ => {}
+                },
+                KeyCode::Enter => {
+                    let name_val = if name.is_empty() {
+                        None
+                    } else {
+                        Some(name.clone())
+                    };
+                    let length_val = length.parse().ok();
+                    let speed_val = *speed;
+                    let quant_val = *quantization;
+                    let sync_val = *sync_mode;
+                    ctx.dispatch(AppCommand::SetPatternProps {
+                        bank,
+                        pattern,
+                        name: name_val,
+                        length: length_val,
+                        speed: speed_val,
+                        quantization: quant_val,
+                        sync_mode: sync_val,
+                    });
+                    ctx.dispatch(AppCommand::CloseModal);
+                }
+                KeyCode::Esc => ctx.dispatch(AppCommand::CloseModal),
+                _ => {}
+            }
+        }
         Modal::None => unreachable!(),
     }
     InputResult::Continue
@@ -660,9 +749,16 @@ fn handle_patterns_page(ctx: &mut InputContext, key: KeyEvent) -> InputResult {
         KeyCode::Right => ctx.dispatch(AppCommand::PatternsCursorRight),
         KeyCode::Up => ctx.dispatch(AppCommand::PatternsCursorUp),
         KeyCode::Down => ctx.dispatch(AppCommand::PatternsCursorDown),
-        KeyCode::Esc => ctx.dispatch(AppCommand::PatternsBack),
+        KeyCode::Esc => {
+            if !ctx.app.playback.staged_changes.is_empty() {
+                ctx.dispatch(AppCommand::ClearStagedChanges);
+            } else {
+                ctx.dispatch(AppCommand::PatternsBack);
+            }
+        }
         KeyCode::Enter => ctx.dispatch(AppCommand::PatternsEnter),
         KeyCode::Char(' ') => ctx.dispatch(AppCommand::PatternsTogglePlay),
+        KeyCode::Char('c') if !ctrl => ctx.dispatch(AppCommand::CommitStagedChanges),
         KeyCode::Char('q') => {
             ctx.dispatch(AppCommand::OpenModal(Modal::ConfirmQuit {
                 selected: false,
@@ -738,6 +834,13 @@ fn handle_patterns_page(ctx: &mut InputContext, key: KeyEvent) -> InputResult {
                 }
             }
         }
+        KeyCode::Char('e') if !ctrl => {
+            if ctx.app.patterns_nav.column == PatternsColumn::Patterns {
+                let bank = ctx.app.patterns_nav.bank_cursor;
+                let pattern = ctx.app.patterns_nav.pattern_cursor;
+                ctx.dispatch(AppCommand::OpenPatternPropsModal { bank, pattern });
+            }
+        }
         _ => {}
     }
     InputResult::Continue

src/main.rs

@@ -71,9 +71,13 @@ fn main() -> io::Result<()> {
 
     app.playback
         .queued_changes
-        .push(engine::PatternChange::Start {
+        .push(crate::state::StagedChange {
-            bank: 0,
+            change: engine::PatternChange::Start {
-            pattern: 0,
+                bank: 0,
+                pattern: 0,
+            },
+            quantization: crate::model::LaunchQuantization::Immediate,
+            sync_mode: crate::model::SyncMode::Reset,
         });
 
     app.audio.config.output_device = args.output.or(settings.audio.output_device);

src/model/mod.rs

@@ -1,5 +1,8 @@
 mod script;
 
 pub use cagire_forth::{Word, WordCompile, WORDS};
-pub use cagire_project::{load, save, Bank, Pattern, PatternSpeed, Project, MAX_BANKS, MAX_PATTERNS};
+pub use cagire_project::{
+    load, save, Bank, LaunchQuantization, Pattern, PatternSpeed, Project, SyncMode, MAX_BANKS,
+    MAX_PATTERNS,
+};
 pub use script::{Dictionary, ExecutionTrace, Rng, ScriptEngine, SourceSpan, StepContext, Value, Variables};

src/state/editor.rs

@@ -12,6 +12,38 @@ pub enum PatternField {
     Speed,
 }
 
+#[derive(Clone, Copy, PartialEq, Eq, Default)]
+pub enum PatternPropsField {
+    #[default]
+    Name,
+    Length,
+    Speed,
+    Quantization,
+    SyncMode,
+}
+
+impl PatternPropsField {
+    pub fn next(&self) -> Self {
+        match self {
+            Self::Name => Self::Length,
+            Self::Length => Self::Speed,
+            Self::Speed => Self::Quantization,
+            Self::Quantization => Self::SyncMode,
+            Self::SyncMode => Self::SyncMode,
+        }
+    }
+
+    pub fn prev(&self) -> Self {
+        match self {
+            Self::Name => Self::Name,
+            Self::Length => Self::Name,
+            Self::Speed => Self::Length,
+            Self::Quantization => Self::Speed,
+            Self::SyncMode => Self::Quantization,
+        }
+    }
+}
+
 pub struct EditorContext {
     pub bank: usize,
     pub pattern: usize,

src/state/mod.rs

@@ -13,12 +13,12 @@ pub mod ui;
 
 pub use audio::{AudioSettings, DeviceKind, EngineSection, Metrics, SettingKind};
 pub use options::{OptionsFocus, OptionsState};
-pub use editor::{CopiedStep, EditorContext, Focus, PatternField};
+pub use editor::{CopiedStep, EditorContext, Focus, PatternField, PatternPropsField};
 pub use live_keys::LiveKeyState;
 pub use modal::Modal;
 pub use panel::{PanelFocus, PanelState, SidePanel};
 pub use patterns_nav::{PatternsColumn, PatternsNav};
-pub use playback::PlaybackState;
+pub use playback::{PlaybackState, StagedChange};
 pub use project::ProjectState;
 pub use sample_browser::SampleBrowserState;
 pub use ui::{DictFocus, FlashKind, UiState};

src/state/modal.rs

@@ -1,4 +1,5 @@
-use crate::state::editor::PatternField;
+use crate::model::{LaunchQuantization, PatternSpeed, SyncMode};
+use crate::state::editor::{PatternField, PatternPropsField};
 use crate::state::file_browser::FileBrowserState;
 
 #[derive(Clone, PartialEq, Eq)]
@@ -40,4 +41,14 @@ pub enum Modal {
     AddSamplePath(FileBrowserState),
     Editor,
     Preview,
+    PatternProps {
+        bank: usize,
+        pattern: usize,
+        field: PatternPropsField,
+        name: String,
+        length: String,
+        speed: PatternSpeed,
+        quantization: LaunchQuantization,
+        sync_mode: SyncMode,
+    },
 }

src/state/patterns_nav.rs

@@ -1,3 +1,5 @@
+use crate::model::{MAX_BANKS, MAX_PATTERNS};
+
 #[derive(Clone, Copy, PartialEq, Eq, Default)]
 pub enum PatternsColumn {
     #[default]
@@ -24,10 +26,10 @@ impl PatternsNav {
     pub fn move_up(&mut self) {
         match self.column {
             PatternsColumn::Banks => {
-                self.bank_cursor = (self.bank_cursor + 15) % 16;
+                self.bank_cursor = (self.bank_cursor + MAX_BANKS - 1) % MAX_BANKS;
             }
             PatternsColumn::Patterns => {
-                self.pattern_cursor = (self.pattern_cursor + 15) % 16;
+                self.pattern_cursor = (self.pattern_cursor + MAX_PATTERNS - 1) % MAX_PATTERNS;
             }
         }
     }
@@ -35,10 +37,10 @@ impl PatternsNav {
     pub fn move_down(&mut self) {
         match self.column {
             PatternsColumn::Banks => {
-                self.bank_cursor = (self.bank_cursor + 1) % 16;
+                self.bank_cursor = (self.bank_cursor + 1) % MAX_BANKS;
             }
             PatternsColumn::Patterns => {
-                self.pattern_cursor = (self.pattern_cursor + 1) % 16;
+                self.pattern_cursor = (self.pattern_cursor + 1) % MAX_PATTERNS;
             }
         }
     }

src/state/playback.rs

@@ -1,14 +1,24 @@
 use crate::engine::PatternChange;
+use crate::model::{LaunchQuantization, SyncMode};
+
+#[derive(Clone)]
+pub struct StagedChange {
+    pub change: PatternChange,
+    pub quantization: LaunchQuantization,
+    pub sync_mode: SyncMode,
+}
 
 pub struct PlaybackState {
     pub playing: bool,
-    pub queued_changes: Vec<PatternChange>,
+    pub staged_changes: Vec<StagedChange>,
+    pub queued_changes: Vec<StagedChange>,
 }
 
 impl Default for PlaybackState {
     fn default() -> Self {
         Self {
             playing: true,
+            staged_changes: Vec::new(),
             queued_changes: Vec::new(),
         }
     }

src/views/patterns_view.rs

@@ -6,6 +6,7 @@ use ratatui::Frame;
 
 use crate::app::App;
 use crate::engine::SequencerSnapshot;
+use crate::model::{MAX_BANKS, MAX_PATTERNS};
 use crate::state::PatternsColumn;
 
 pub fn render(frame: &mut Frame, app: &App, snapshot: &SequencerSnapshot, area: Rect) {
@@ -44,25 +45,25 @@ fn render_banks(frame: &mut Frame, app: &App, snapshot: &SequencerSnapshot, area
         .map(|p| p.bank)
         .collect();
 
-    let banks_with_queued: Vec<usize> = app
+    let banks_with_staged: Vec<usize> = app
         .playback
-        .queued_changes
+        .staged_changes
         .iter()
-        .filter_map(|c| match c {
+        .filter_map(|c| match &c.change {
             crate::engine::PatternChange::Start { bank, .. } => Some(*bank),
             _ => None,
         })
         .collect();
 
-    let row_height = (inner.height / 16).max(1);
+    let row_height = (inner.height / MAX_BANKS as u16).max(1);
-    let total_needed = row_height * 16;
+    let total_needed = row_height * MAX_BANKS as u16;
     let top_padding = if inner.height > total_needed {
         (inner.height - total_needed) / 2
     } else {
         0
     };
 
-    for idx in 0..16 {
+    for idx in 0..MAX_BANKS {
         let y = inner.y + top_padding + (idx as u16) * row_height;
         if y >= inner.y + inner.height {
             break;
@@ -79,12 +80,12 @@ fn render_banks(frame: &mut Frame, app: &App, snapshot: &SequencerSnapshot, area
         let is_selected = idx == app.patterns_nav.bank_cursor;
         let is_edit = idx == app.editor_ctx.bank;
         let is_playing = banks_with_playback.contains(&idx);
-        let is_queued = banks_with_queued.contains(&idx);
+        let is_staged = banks_with_staged.contains(&idx);
 
-        let (bg, fg, prefix) = match (is_cursor, is_playing, is_queued) {
+        let (bg, fg, prefix) = match (is_cursor, is_playing, is_staged) {
             (true, _, _) => (Color::Cyan, Color::Black, ""),
             (false, true, _) => (Color::Rgb(45, 80, 45), Color::Green, "> "),
-            (false, false, true) => (Color::Rgb(80, 80, 45), Color::Yellow, "? "),
+            (false, false, true) => (Color::Rgb(80, 60, 100), Color::Magenta, "+ "),
             (false, false, false) if is_selected => (Color::Rgb(60, 65, 75), Color::White, ""),
             (false, false, false) if is_edit => (Color::Rgb(45, 106, 95), Color::White, ""),
             (false, false, false) => (Color::Reset, Color::Rgb(120, 125, 135), ""),
@@ -101,7 +102,7 @@ fn render_banks(frame: &mut Frame, app: &App, snapshot: &SequencerSnapshot, area
         };
 
         let style = Style::new().bg(bg).fg(fg);
-        let style = if is_playing || is_queued {
+        let style = if is_playing || is_staged {
             style.add_modifier(Modifier::BOLD)
         } else {
             style
@@ -159,11 +160,11 @@ fn render_patterns(frame: &mut Frame, app: &App, snapshot: &SequencerSnapshot, a
         .map(|p| p.pattern)
         .collect();
 
-    let queued_to_play: Vec<usize> = app
+    let staged_to_play: Vec<usize> = app
         .playback
-        .queued_changes
+        .staged_changes
         .iter()
-        .filter_map(|c| match c {
+        .filter_map(|c| match &c.change {
             crate::engine::PatternChange::Start {
                 bank: b, pattern, ..
             } if *b == bank => Some(*pattern),
@@ -171,11 +172,11 @@ fn render_patterns(frame: &mut Frame, app: &App, snapshot: &SequencerSnapshot, a
         })
         .collect();
 
-    let queued_to_stop: Vec<usize> = app
+    let staged_to_stop: Vec<usize> = app
         .playback
-        .queued_changes
+        .staged_changes
         .iter()
-        .filter_map(|c| match c {
+        .filter_map(|c| match &c.change {
             crate::engine::PatternChange::Stop {
                 bank: b,
                 pattern,
@@ -190,15 +191,15 @@ fn render_patterns(frame: &mut Frame, app: &App, snapshot: &SequencerSnapshot, a
         None
     };
 
-    let row_height = (inner.height / 16).max(1);
+    let row_height = (inner.height / MAX_PATTERNS as u16).max(1);
-    let total_needed = row_height * 16;
+    let total_needed = row_height * MAX_PATTERNS as u16;
     let top_padding = if inner.height > total_needed {
         (inner.height - total_needed) / 2
     } else {
         0
     };
 
-    for idx in 0..16 {
+    for idx in 0..MAX_PATTERNS {
         let y = inner.y + top_padding + (idx as u16) * row_height;
         if y >= inner.y + inner.height {
             break;
@@ -215,14 +216,14 @@ fn render_patterns(frame: &mut Frame, app: &App, snapshot: &SequencerSnapshot, a
         let is_selected = idx == app.patterns_nav.pattern_cursor;
         let is_edit = edit_pattern == Some(idx);
         let is_playing = playing_patterns.contains(&idx);
-        let is_queued_play = queued_to_play.contains(&idx);
+        let is_staged_play = staged_to_play.contains(&idx);
-        let is_queued_stop = queued_to_stop.contains(&idx);
+        let is_staged_stop = staged_to_stop.contains(&idx);
 
-        let (bg, fg, prefix) = match (is_cursor, is_playing, is_queued_play, is_queued_stop) {
+        let (bg, fg, prefix) = match (is_cursor, is_playing, is_staged_play, is_staged_stop) {
             (true, _, _, _) => (Color::Cyan, Color::Black, ""),
-            (false, true, _, true) => (Color::Rgb(120, 90, 30), Color::Yellow, "x "),
+            (false, true, _, true) => (Color::Rgb(120, 60, 80), Color::Magenta, "- "),
             (false, true, _, false) => (Color::Rgb(45, 80, 45), Color::Green, "> "),
-            (false, false, true, _) => (Color::Rgb(80, 80, 45), Color::Yellow, "? "),
+            (false, false, true, _) => (Color::Rgb(80, 60, 100), Color::Magenta, "+ "),
             (false, false, false, _) if is_selected => (Color::Rgb(60, 65, 75), Color::White, ""),
             (false, false, false, _) if is_edit => (Color::Rgb(45, 106, 95), Color::White, ""),
             (false, false, false, _) => (Color::Reset, Color::Rgb(120, 125, 135), ""),
@@ -271,7 +272,7 @@ fn render_patterns(frame: &mut Frame, app: &App, snapshot: &SequencerSnapshot, a
         } else {
             format!("{}{:02} {}", prefix, idx + 1, name)
         };
-        let name_style = if is_playing || is_queued_play {
+        let name_style = if is_playing || is_staged_play {
             bold_style
         } else {
             base_style

src/views/render.rs

@@ -3,7 +3,7 @@ use std::time::Instant;
 use ratatui::layout::{Alignment, Constraint, Layout, Rect};
 use ratatui::style::{Color, Modifier, Style};
 use ratatui::text::{Line, Span};
-use ratatui::widgets::{Block, Borders, Paragraph};
+use ratatui::widgets::{Block, Borders, Clear, Paragraph};
 use ratatui::Frame;
 
 use crate::app::App;
@@ -626,5 +626,91 @@ fn render_modal(frame: &mut Frame, app: &App, snapshot: &SequencerSnapshot, term
             };
             frame.render_widget(Paragraph::new(hint).alignment(Alignment::Right), hint_area);
         }
+        Modal::PatternProps {
+            bank,
+            pattern,
+            field,
+            name,
+            length,
+            speed,
+            quantization,
+            sync_mode,
+        } => {
+            use crate::state::PatternPropsField;
+
+            let width = 50u16;
+            let height = 12u16;
+            let x = (term.width.saturating_sub(width)) / 2;
+            let y = (term.height.saturating_sub(height)) / 2;
+            let area = Rect::new(x, y, width, height);
+
+            let block = Block::bordered()
+                .title(format!(" Pattern B{:02}:P{:02} ", bank + 1, pattern + 1))
+                .border_style(Style::default().fg(Color::Cyan));
+
+            let inner = block.inner(area);
+            frame.render_widget(Clear, area);
+            frame.render_widget(block, area);
+
+            let fields = [
+                ("Name", name.as_str(), *field == PatternPropsField::Name),
+                ("Length", length.as_str(), *field == PatternPropsField::Length),
+                ("Speed", speed.label(), *field == PatternPropsField::Speed),
+                (
+                    "Quantization",
+                    quantization.label(),
+                    *field == PatternPropsField::Quantization,
+                ),
+                (
+                    "Sync Mode",
+                    sync_mode.label(),
+                    *field == PatternPropsField::SyncMode,
+                ),
+            ];
+
+            for (i, (label, value, selected)) in fields.iter().enumerate() {
+                let y = inner.y + i as u16;
+                if y >= inner.y + inner.height {
+                    break;
+                }
+
+                let (label_style, value_style) = if *selected {
+                    (
+                        Style::default().fg(Color::Cyan).add_modifier(Modifier::BOLD),
+                        Style::default().fg(Color::White).bg(Color::DarkGray),
+                    )
+                } else {
+                    (
+                        Style::default().fg(Color::Gray),
+                        Style::default().fg(Color::White),
+                    )
+                };
+
+                let label_area = Rect::new(inner.x + 1, y, 14, 1);
+                let value_area = Rect::new(inner.x + 16, y, inner.width.saturating_sub(18), 1);
+
+                frame.render_widget(
+                    Paragraph::new(format!("{label}:")).style(label_style),
+                    label_area,
+                );
+                frame.render_widget(
+                    Paragraph::new(*value).style(value_style),
+                    value_area,
+                );
+            }
+
+            let hint_area = Rect::new(inner.x, inner.y + inner.height - 1, inner.width, 1);
+            let hint = Line::from(vec![
+                Span::styled("↑↓", Style::default().fg(Color::Yellow)),
+                Span::styled(" nav  ", Style::default().fg(Color::DarkGray)),
+                Span::styled("←→", Style::default().fg(Color::Yellow)),
+                Span::styled(" change  ", Style::default().fg(Color::DarkGray)),
+                Span::styled("Enter", Style::default().fg(Color::Yellow)),
+                Span::styled(" save  ", Style::default().fg(Color::DarkGray)),
+                Span::styled("Esc", Style::default().fg(Color::Yellow)),
+                Span::styled(" cancel", Style::default().fg(Color::DarkGray)),
+            ]);
+            frame.render_widget(Paragraph::new(hint), hint_area);
+        }
     }
 }