feat(claudbg-wfoe): Ctrl+C quits TUI immediately without confirmation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.beans/claudbg-wfoe--tui-ctrlc-immediately-quits-without-confirmation.md

@@ -1,10 +1,11 @@
 ---
 # claudbg-wfoe
 title: 'TUI: Ctrl+C immediately quits without confirmation'
-status: todo
+status: in-progress
 type: feature
+priority: normal
 created_at: 2026-04-01T16:47:04Z
-updated_at: 2026-04-01T16:47:04Z
+updated_at: 2026-04-01T16:57:38Z
 ---
 
 Support Ctrl+C to immediately quit without confirmation. Currently quit requires a confirmation dialog; Ctrl+C should bypass this and exit immediately.

src/tui/modals/help_modal.rs

@@ -16,7 +16,7 @@ use crate::tui::state::AppState;
 
 /// Dialog dimensions.
 const DIALOG_WIDTH: u16 = 36;
-const DIALOG_HEIGHT: u16 = 37;
+const DIALOG_HEIGHT: u16 = 38;
 
 /// Compute a centered [`Rect`] of the given size within `area`.
 fn centered_rect(width: u16, height: u16, area: Rect) -> Rect {
@@ -69,7 +69,8 @@ const HELP_TEXT: &str = "\
   Esc       clear & close\n\
 \n\
  Global\n\
-  q/Q       quit\n\
+  q/Q       quit (confirm)\n\
+  Ctrl+C    quit immediately\n\
   ?         this help\n\
   c         toggle color\n\
   Ctrl+L    redraw screen";

src/tui/run.rs

@@ -119,6 +119,16 @@ fn render(frame: &mut ratatui::Frame, state: &AppState) {
 /// then falls back to global keybindings for any event not consumed by
 /// the screen.
 fn handle_event(event: Event, state: &mut AppState) {
+    // Ctrl+C quits immediately, bypassing any modal dialogs.
+    if let Event::Key(key) = &event
+        && key.kind == KeyEventKind::Press
+        && key.code == KeyCode::Char('c')
+        && key.modifiers.contains(KeyModifiers::CONTROL)
+    {
+        state.should_quit = true;
+        return;
+    }
+
     // Modal dialogs intercept all input while visible.
     if state.show_quit_dialog {
         handle_quit_dialog_event(event, state);
@@ -405,4 +415,40 @@ mod tests {
         handle_event(key_press(KeyCode::Char('c')), &mut state);
         assert!(state.color_enabled, "color toggled back on");
     }
+
+    fn ctrl_key_press(code: KeyCode) -> Event {
+        Event::Key(KeyEvent {
+            code,
+            modifiers: KeyModifiers::CONTROL,
+            kind: KeyEventKind::Press,
+            state: KeyEventState::NONE,
+        })
+    }
+
+    /// Ctrl+C quits immediately without showing the quit dialog.
+    #[test]
+    fn ctrl_c_quits_immediately() {
+        let mut state = AppState::new();
+        handle_event(ctrl_key_press(KeyCode::Char('c')), &mut state);
+        assert!(state.should_quit);
+        assert!(!state.show_quit_dialog);
+    }
+
+    /// Ctrl+C quits immediately even when the quit dialog is already open.
+    #[test]
+    fn ctrl_c_quits_through_quit_dialog() {
+        let mut state = AppState::new();
+        state.show_quit_dialog = true;
+        handle_event(ctrl_key_press(KeyCode::Char('c')), &mut state);
+        assert!(state.should_quit);
+    }
+
+    /// Ctrl+C quits immediately even when the help modal is open.
+    #[test]
+    fn ctrl_c_quits_through_help_modal() {
+        let mut state = AppState::new();
+        state.show_help = true;
+        handle_event(ctrl_key_press(KeyCode::Char('c')), &mut state);
+        assert!(state.should_quit);
+    }
 }