fix(assistant): preserve auto-follow during delayed scroll events

2026-10-21 07:55:18 +08:00 · 2026-10-08 13:26:27 +08:00
parent f96f663a80
commit 3f698bd1c9
1 changed files with 8 additions and 4 deletions
@@ -632,10 +632,14 @@ function AssistantPanel({
            }}
            onScroll={(event) => {
              const list = event.currentTarget;
-              const movingUp = list.scrollTop < scrollPosition.current - 1;
-              followLatest.current =
-                !movingUp &&
-                list.scrollHeight - list.clientHeight - list.scrollTop < 32;
+              const delta = list.scrollTop - scrollPosition.current;
+              if (delta < -1) followLatest.current = false;
+              else if (delta > 1) {
+                followLatest.current =
+                  list.scrollHeight - list.clientHeight - list.scrollTop < 32;
+              }
+              // Delayed events from our own scroll have zero delta. Content may
+              // have grown since then, so they must not disable following.
              scrollPosition.current = list.scrollTop;
            }}
            aria-live="polite"