diff --git a/.changeset/remove-flex-grow-delegation-tree.md b/.changeset/remove-flex-grow-delegation-tree.md
new file mode 100644
index 00000000..67997064
--- /dev/null
+++ b/.changeset/remove-flex-grow-delegation-tree.md
@@ -0,0 +1,5 @@
+---
+"@perstack/tui-components": patch
+---
+
+Remove unnecessary flexGrow from delegation tree node layout
diff --git a/packages/tui-components/src/execution/components/delegation-tree.tsx b/packages/tui-components/src/execution/components/delegation-tree.tsx
index 00468d9f..597acc60 100644
--- a/packages/tui-components/src/execution/components/delegation-tree.tsx
+++ b/packages/tui-components/src/execution/components/delegation-tree.tsx
@@ -64,7 +64,7 @@ function TreeNodeLine({
         <Text bold>{node.expertName}</Text>
         <Text dimColor>: </Text>
       </Text>
-      <Box flexGrow={1} flexShrink={1}>
+      <Box flexShrink={1}>
         <Text wrap="truncate">
           {node.actionLabel}
           {node.actionFileArg ? <Text color={colors.muted}> {node.actionFileArg}</Text> : null}