Extend tmux version warning to include 3.3.x

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: davindicode

app/components/terminal/InputBox.tsx

@@ -630,7 +630,7 @@ export default function InputBox() {
       )}
       {activeGroup === TMUX_TAB && !inTmux && (
         <div className="border-b border-gray-700/50 bg-[#12122a] px-3 py-2">
-          {tmuxVersion && tmuxVersion.startsWith("3.4") && (
+          {tmuxVersion && (tmuxVersion.startsWith("3.3") || tmuxVersion.startsWith("3.4")) && (
             <div className="text-[10px] text-yellow-400 bg-yellow-900/20 border border-yellow-800/30 rounded px-2 py-1 mb-1.5">
               tmux {tmuxVersion} has known key handling issues. Upgrade to 3.5+ or add <code className="text-yellow-300">set -g extended-keys off</code> to ~/.tmux.conf
             </div>