Update tui error handling

- Allow each view to position error banners where they choose
- Add global 'esc' key handler to dismiss errors

pkg/tui/tui.go

@@ -60,6 +60,14 @@ func (m *Model) Init() tea.Cmd {
 }
 
 func (m *Model) handleGlobalInput(msg tea.KeyMsg) tea.Cmd {
+	switch msg.String() {
+	case "esc":
+		if len(m.errs) > 0 {
+			m.errs = m.errs[1:]
+			return shared.KeyHandled(msg)
+		}
+	}
+
 	view, cmd := m.views[m.activeView].Update(msg)
 	m.views[m.activeView] = view
 	if cmd != nil {
@@ -108,10 +116,16 @@ func (m *Model) View() string {
 	errBanners := make([]string, len(m.errs))
 	for idx, err := range m.errs {
 		errBanners[idx] = tuiutil.ErrorBanner(err, m.width)
-		fixedUIHeight += tuiutil.Height(errBanners[idx])
 	}
+	var errors string
+	if len(errBanners) > 0 {
+		errors = lipgloss.JoinVertical(lipgloss.Left, errBanners...)
+	} else {
+		errors = ""
+	}
+	fixedUIHeight += tuiutil.Height(errors)
 
-	content := m.views[m.activeView].Content(m.width, m.height-fixedUIHeight)
+	content := m.views[m.activeView].Content(m.width, m.height-fixedUIHeight, errors)
 
 	sections := make([]string, 0, 4)
 	if header != "" {
@@ -123,9 +137,6 @@ func (m *Model) View() string {
 	if footer != "" {
 		sections = append(sections, footer)
 	}
-	for _, errBanner := range errBanners {
-		sections = append(sections, errBanner)
-	}
 	return lipgloss.JoinVertical(lipgloss.Left, sections...)
 }