refac

src/lib/components/chat/MessageInput/CallOverlay.svelte

@@ -205,7 +205,7 @@
 
 				if (_responses.at(0)) {
 					const content = _responses[0];
-					if (content) {
+					if ((content ?? '').trim() !== '') {
 						assistantSpeakingHandler(content);
 					}
 				}

src/lib/components/chat/Messages/ResponseMessage.svelte

@@ -211,6 +211,7 @@
 			speaking = null;
 			speakingIdx = null;
 		} else {
+			if ((message?.content ?? '').trim() !== '') {
 				speaking = true;
 
 				if ($config.audio.tts.engine === 'openai') {
@@ -274,7 +275,8 @@
 							const voice =
 								voices
 									?.filter(
-									(v) => v.voiceURI === ($settings?.audio?.tts?.voice ?? $config?.audio?.tts?.voice)
+										(v) =>
+											v.voiceURI === ($settings?.audio?.tts?.voice ?? $config?.audio?.tts?.voice)
 									)
 									?.at(0) ?? undefined;
 
@@ -299,6 +301,9 @@
 						}
 					}, 100);
 				}
+			} else {
+				toast.error('No content to speak');
+			}
 		}
 	};