tui: Add setting view with support for changing the current model

pkg/tui/views/chat/input.go

@@ -12,6 +12,17 @@ import (
 )
 
 func (m *Model) handleInput(msg tea.KeyMsg) tea.Cmd {
+	switch msg.String() {
+	case "ctrl+g":
+		if m.state == pendingResponse {
+			m.stopSignal <- struct{}{}
+			return shared.KeyHandled(msg)
+		}
+		return func() tea.Msg {
+			return shared.MsgViewChange(shared.ViewSettings)
+		}
+	}
+
 	switch m.focus {
 	case focusInput:
 		cmd := m.handleInputKey(msg)