fix: style run

frontend/src/components/nodes/AgentNode.tsx

@@ -170,6 +170,7 @@ function AgentNodeComponent({ id, data, width, height, selected }: Props) {
     <BaseNode
       className="min-w-[360px] min-h-[320px]"
       dimensions={dimensions}
+      resizable
       nodeId={id}
       selected={selected}
       handles={
@@ -182,6 +183,23 @@ function AgentNodeComponent({ id, data, width, height, selected }: Props) {
       <BaseNodeHeaderRow
         icon={<Bot className="size-4" />}
         title={<NodeHeaderTitle nodeId={id} displayTitle={id} />}
+        right={
+          <Button
+            type="button"
+            size="sm"
+            variant="outline"
+            className="shrink-0 h-7 nodrag nopan"
+            onClick={runAgent}
+            disabled={running || loading}
+          >
+            {running || loading ? (
+              <Loader2 className="size-3.5 animate-spin" />
+            ) : (
+              <Play className="size-3.5" />
+            )}
+            <span className="ml-1.5">Run</span>
+          </Button>
+        }
         onHeaderDoubleClick={supportsFullscreen && setFullscreenNodeId ? () => setFullscreenNodeId(id) : undefined}
       />
       <BaseNodeContent>
@@ -212,20 +230,6 @@ function AgentNodeComponent({ id, data, width, height, selected }: Props) {
               </ul>
             )}
           </div>
-          <Button
-            type="button"
-            size="sm"
-            className="w-fit"
-            onClick={runAgent}
-            disabled={running || loading}
-          >
-            {running || loading ? (
-              <Loader2 className="size-3.5 mr-1.5 animate-spin" />
-            ) : (
-              <Play className="size-3.5 mr-1.5" />
-            )}
-            Run
-          </Button>
           {error && (
             <p className="text-xs text-destructive">{error}</p>
           )}