diff --git a/pkg/tui/conversations.go b/pkg/tui/conversations.go
index 938e571..7933718 100644
--- a/pkg/tui/conversations.go
+++ b/pkg/tui/conversations.go
@@ -175,24 +175,14 @@ func (m *conversationsModel) headerView() string {
 }
 
 func (m *conversationsModel) renderConversationList() string {
-	type timeCategory struct {
-		name   string
-		cutoff time.Duration
-	}
-
-	type listItem struct {
-		id           uint
-		short        string
-		title        string
-		elapsed      string
-		lastReplyAge time.Duration
-	}
-
 	now := time.Now()
 	midnight := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location())
 	monthStart := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location())
 	dayOfWeek := int(now.Weekday())
-	categories := []timeCategory{
+	categories := []struct {
+		name   string
+		cutoff time.Duration
+	}{
 		{"Today", now.Sub(midnight)},
 		{"Yesterday", now.Sub(midnight.AddDate(0, 0, -1))},
 		{"This week", now.Sub(midnight.AddDate(0, 0, -dayOfWeek))},
@@ -221,12 +211,16 @@ func (m *conversationsModel) renderConversationList() string {
 	untitledStyle := lipgloss.NewStyle().Faint(true).Italic(true)
 	selectedStyle := lipgloss.NewStyle().Faint(true).Foreground(lipgloss.Color("6"))
 
-	var currentOffset int
-	var currentCategory string
+	var (
+		currentOffset   int
+		currentCategory string
+		sb              strings.Builder
+	)
+
 	m.itemOffsets = make([]int, len(m.conversations))
-	sb := &strings.Builder{}
 	sb.WriteRune('\n')
 	currentOffset += 1
+
 	for i, c := range m.conversations {
 		lastReplyAge := now.Sub(c.lastReply.CreatedAt)