fix: token badge text wrapping on long model names

Added maxLines=1 and softWrap=false to prevent "0 / 1M" from breaking
into two lines when the top bar is compressed by a long model name.

app/src/main/java/dev/kaizen/app/chat/ChatComponents.kt

@@ -437,6 +437,8 @@ fun TokenBadge(used: Int, contextLength: Int, modifier: Modifier = Modifier) {
                 color = cs.onSurfaceVariant,
                 fontSize = 12.sp,
                 fontWeight = FontWeight.Medium,
+                maxLines = 1,
+                softWrap = false,
             )
         }
     }