From 5c155800605243693a1e0a50d6cb0a4e3f89191e Mon Sep 17 00:00:00 2001
From: iris <iris@hyperhive.local>
Date: Mon, 12 Oct 2026 00:21:38 +0200
Subject: [PATCH] swarm-ui: popover keeps its position object when a scroll
 moved nothing

---
 frontend/packages/swarm-ui/src/ui/popover/Popover.tsx | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/frontend/packages/swarm-ui/src/ui/popover/Popover.tsx b/frontend/packages/swarm-ui/src/ui/popover/Popover.tsx
index 3bc5d1e9..1f86b735 100644
--- a/frontend/packages/swarm-ui/src/ui/popover/Popover.tsx
+++ b/frontend/packages/swarm-ui/src/ui/popover/Popover.tsx
@@ -54,10 +54,13 @@ export function Popover({
       const r = anchor.getBoundingClientRect();
       const width = ref.current?.offsetWidth ?? 0;
       const maxLeft = window.innerWidth - width - EDGE_PX;
-      setPos({
-        top: r.bottom + GAP_PX,
-        left: Math.max(EDGE_PX, Math.min(r.left, maxLeft)),
-      });
+      const top = r.bottom + GAP_PX;
+      const left = Math.max(EDGE_PX, Math.min(r.left, maxLeft));
+      // Scrolling anywhere (the streaming terminal included) calls this; keep
+      // the old object when nothing moved so the subtree does not re-render.
+      setPos((prev) =>
+        prev && prev.top === top && prev.left === left ? prev : { top, left },
+      );
     }
     place();
     window.addEventListener("scroll", place, true);