feat(tui): more ways to quit

packages/tui/internal/components/chat/editor.go

@@ -344,6 +344,12 @@ func (m *editorComponent) Submit() (tea.Model, tea.Cmd) {
 	if value == "" {
 		return m, nil
 	}
+
+	switch value {
+	case "exit", "quit", "q", ":q":
+		return m, tea.Quit
+	}
+
 	if len(value) > 0 && value[len(value)-1] == '\\' {
 		// If the last character is a backslash, remove it and add a newline
 		m.textarea.ReplaceRange(len(value)-1, len(value), "")