Add latencyHint when creating AudioContext (test frontend) (#124)

.gitignore

@@ -86,3 +86,6 @@ profile_output*
 CLAUDE.md
 QWEN.md
 .claude/
+voices
+
+italk.yaml

pocket_tts/static/index.html

@@ -111,7 +111,9 @@
     <script>
         class StreamingWavPlayer {
             constructor() {
-                this.audioContext = new (window.AudioContext || window.webkitAudioContext)();
+                this.audioContext = new (window.AudioContext || window.webkitAudioContext)(
+                    { latencyHint: "playback" }
+                );
                 this.sampleRate = 0;
                 this.numChannels = 0;
                 this.headerParsed = false;