TUI view management and input handling cleanup

pkg/tui/views/chat/chat.go

@@ -74,7 +74,7 @@ const (
 )
 
 type Model struct {
-	shared.Shared
+	*shared.ViewState
 	shared.Sections
 
 	// App state
@@ -108,10 +108,14 @@ type Model struct {
 	elapsed    time.Duration
 }
 
-func Chat(app *model.AppModel, shared shared.Shared) Model {
+func (m Model) Initialized() bool {
+	return m.ViewState.Initialized
+}
+
+func Chat(app *model.AppModel, shared shared.ViewState) shared.ViewModel {
 	m := Model{
 		App: app,
-		Shared: shared,
+		ViewState: &shared,
 
 		state:        idle,
 		persistence:  true,
@@ -169,6 +173,7 @@ func Chat(app *model.AppModel, shared shared.Shared) Model {
 }
 
 func (m Model) Init() tea.Cmd {
+	m.ViewState.Initialized = true
 	return tea.Batch(
 		m.waitForResponseChunk(),
 	)