tui: Error handling tweak

Moved errors to bottom of screen, fix infinite loop by typing errors
properly

pkg/tui/views/chat/chat.go

@@ -25,11 +25,13 @@ type (
 	}
 	// sent when a conversation's messages are laoded
 	msgConversationMessagesLoaded struct {
-		messages []api.Message
+		messages     []api.Message
 		rootMessages []api.Message
 	}
 	// a special case of common.MsgError that stops the response waiting animation
-	msgChatResponseError error
+	msgChatResponseError struct {
+		Err error
+	}
 	// sent on each chunk received from LLM
 	msgChatResponseChunk api.Chunk
 	// sent on each completed reply
@@ -72,9 +74,9 @@ const (
 
 type Model struct {
 	// App state
-	App		*model.AppModel
+	App    *model.AppModel
 	Height int
-	Width int
+	Width  int
 
 	// Chat view state
 	state           state // current overall status of the view
@@ -108,8 +110,8 @@ func Chat(app *model.AppModel) *Model {
 	m := Model{
 		App: app,
 
-		state:        idle,
-		persistence:  true,
+		state:       idle,
+		persistence: true,
 
 		stopSignal:      make(chan struct{}),
 		replyChan:       make(chan api.Message),

pkg/tui/views/chat/cmds.go

@@ -19,11 +19,11 @@ func (m *Model) loadConversationMessages() tea.Cmd {
 	return func() tea.Msg {
 		messages, err := m.App.LoadConversationMessages()
 		if err != nil {
-			return shared.MsgError(err)
+			return shared.AsMsgError(err)
 		}
 		rootMessages, err := m.App.LoadConversationRootMessages()
 		if err != nil {
-			return shared.MsgError(err)
+			return shared.AsMsgError(err)
 		}
 		return msgConversationMessagesLoaded{
 			messages, rootMessages,
@@ -35,7 +35,7 @@ func (m *Model) generateConversationTitle() tea.Cmd {
 	return func() tea.Msg {
 		title, err := m.App.GenerateConversationTitle(m.App.Messages)
 		if err != nil {
-			return shared.MsgError(err)
+			return shared.AsMsgError(err)
 		}
 		return msgConversationTitleGenerated(title)
 	}
@@ -104,7 +104,7 @@ func (m *Model) persistConversation() tea.Cmd {
 	return func() tea.Msg {
 		conversation, messages, err := m.App.PersistConversation(m.App.Conversation, m.App.Messages)
 		if err != nil {
-			return shared.MsgError(err)
+			return shared.AsMsgError(err)
 		}
 		return msgConversationPersisted{conversation.ID == 0, conversation, messages}
 	}
@@ -114,7 +114,7 @@ func (m *Model) executeToolCalls(toolCalls []api.ToolCall) tea.Cmd {
 	return func() tea.Msg {
 		results, err := m.App.ExecuteToolCalls(toolCalls)
 		if err != nil {
-			return shared.MsgError(err)
+			return shared.AsMsgError(err)
 		}
 		return msgToolResults(results)
 	}
@@ -131,7 +131,7 @@ func (m *Model) promptLLM() tea.Cmd {
 	return func() tea.Msg {
 		resp, err := m.App.PromptLLM(m.App.Messages, m.chatReplyChunks, m.stopSignal)
 		if err != nil {
-			return msgChatResponseError(err)
+			return msgChatResponseError{ Err: err }
 		}
 		return msgChatResponse(resp)
 	}

pkg/tui/views/chat/update.go

@@ -170,7 +170,7 @@ func (m *Model) Update(msg tea.Msg) (shared.ViewModel, tea.Cmd) {
 	case msgChatResponseError:
 		m.state = idle
 		m.updateContent()
-		return m, shared.WrapError(msg)
+		return m, shared.WrapError(msg.Err)
 	case msgToolResults:
 		last := len(m.App.Messages) - 1
 		if last < 0 {