add new session button

docs/demos/ai-chat-panel/basic.vue

@@ -10,6 +10,7 @@
 				@send="sendMessage"
 				@stop="stopGeneration"
 				@retry="retryLastMessage"
+				@new-conversation="resetConversation"
 			/>
 		</div>
 
@@ -33,7 +34,8 @@ const {
 	canRetry,
 	sendMessage,
 	stopGeneration,
-	retryLastMessage
+	retryLastMessage,
+	resetConversation
 } = useAiChat({
 	request: async ({ message, signal }) => createMockReply(message, signal)
 });