From ff0c42af113397b7f5b666892cd3845de8af40af Mon Sep 17 00:00:00 2001
From: cogwheel0 <172976095+cogwheel0@users.noreply.github.com>
Date: Thu, 27 Nov 2025 22:09:56 +0530
Subject: [PATCH] fix(tts): Improve speak completion handling to prevent race
 conditions

---
 lib/features/chat/services/text_to_speech_service.dart | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/features/chat/services/text_to_speech_service.dart b/lib/features/chat/services/text_to_speech_service.dart
index 6225e55..831befc 100644
--- a/lib/features/chat/services/text_to_speech_service.dart
+++ b/lib/features/chat/services/text_to_speech_service.dart
@@ -88,7 +88,11 @@ class TextToSpeechService {
     _deviceEngineAvailable = false;
     try {
       await _ensureAndroidDefaultEngine();
-      await _tts.awaitSpeakCompletion(false);
+      // Ensure speak() futures complete only after playback finishes.
+      // This avoids race conditions where completion callbacks fire
+      // early in release builds (especially on iOS), which can cause
+      // our voice-call pipeline to resume listening and cut off speech.
+      await _tts.awaitSpeakCompletion(true);
       await _tts.setVolume(volume);
       await _tts.setSpeechRate(speechRate);
       await _tts.setPitch(pitch);