fix(tui): user defined ctrl+z should take precedence over suspending (#1088)

packages/tui/internal/tui/tui.go

@@ -110,11 +110,6 @@ func (a appModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case tea.KeyPressMsg:
 		keyString := msg.String()
 
-		// Handle Ctrl+Z for suspend
-		if keyString == "ctrl+z" {
-			return a, tea.Suspend
-		}
-
 		// 1. Handle active modal
 		if a.modal != nil {
 			switch keyString {
@@ -277,6 +272,11 @@ func (a appModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			return a, util.CmdHandler(commands.ExecuteCommandsMsg(matches))
 		}
 
+		// Fallback: suspend if ctrl+z is pressed and no user keybind matched
+		if keyString == "ctrl+z" {
+			return a, tea.Suspend
+		}
+
 		// 10. Fallback to editor. This is for other characters like backspace, tab, etc.
 		updatedEditor, cmd := a.editor.Update(msg)
 		a.editor = updatedEditor.(chat.EditorComponent)