From 214ccb878748aa8ed02b70ea9926ea2da7161933 Mon Sep 17 00:00:00 2001
From: "Brandon McGinty (chatgpt)" <git@bmcginty.us>
Date: Sun, 9 Aug 2026 14:23:12 -0400
Subject: [PATCH] Guard empty terminal trees from key events

---
 uiterm/tree.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/uiterm/tree.go b/uiterm/tree.go
index b44ddf3..5944355 100644
--- a/uiterm/tree.go
+++ b/uiterm/tree.go
@@ -206,6 +206,9 @@ func (t *Tree) ActiveItem() TreeItem {
 }
 
 func (t *Tree) uiKeyEvent(key Key) {
+	if len(t.lines) == 0 {
+		return
+	}
 	var runHandler = true
 	switch key {
 	case KeyArrowUp:
@@ -222,6 +225,9 @@ func (t *Tree) uiKeyEvent(key Key) {
 }
 
 func (t *Tree) uiCharacterEvent(ch rune) {
+	if len(t.lines) == 0 {
+		return
+	}
 	if t.CharacterListener != nil {
 		t.CharacterListener(t.ui, t, t.lines[t.activeLine].Item, ch)
 	}