fix android tv focus

feature/chat/chat-client/src/commonMain/kotlin/ru/shadowsparky/chat/presentation/ChatScreen.kt

@@ -6,6 +6,7 @@ import androiddev.feature.chat.chat_client.generated.resources.chat_load_error
 import androiddev.feature.chat.chat_client.generated.resources.chat_ok
 import androiddev.feature.chat.chat_client.generated.resources.chat_retry_button
 import androiddev.feature.chat.chat_client.generated.resources.send
+import androidx.compose.foundation.focusable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
@@ -17,14 +18,17 @@ import androidx.compose.foundation.layout.calculateStartPadding
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.widthIn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.text.selection.SelectionContainer
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.Button
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
@@ -213,6 +217,7 @@ private fun MessageBubble(
     onParseMessage: (String) -> List<TextToken>,
     onClickLink: (String) -> Unit
 ) {
+    val scrollState = rememberScrollState()
     val isUser = message.role == ChatRoles.USER
     val alignment = if (isUser) Alignment.CenterEnd else Alignment.CenterStart
     val containerColor = if (isUser) MaterialTheme.colorScheme.primaryContainer else MaterialTheme.colorScheme.surfaceVariant
@@ -248,7 +253,11 @@ private fun MessageBubble(
         }
     }
     Box(
-        modifier = Modifier.fillMaxWidth(),
+        modifier = Modifier.fillMaxWidth()
+            .heightIn(max = 400.dp)
+            .focusable()
+            .verticalScroll(scrollState)
+        ,
         contentAlignment = alignment
     ) {
         Card(