gsxdsm eba6a72594 FN-5757: prevent chat message list from snapping to top ...

Keep chat scroll position stable when stale top snapshots are captured during mobile message updates.

- Capture scroll anchors from the first visible message instead of always sampling the first DOM node
- Ignore stale or likely-invalid zero-position snapshots before attempting scroll restoration
- Guard bottom anchoring from interrupting user scroll unless explicitly forced and add regression coverage for stale snapshot behavior

Files changed:
 packages/dashboard/app/components/ChatView.css     | 11 +++++-
 packages/dashboard/app/components/ChatView.tsx     | 33 +++++++++++++----
 packages/dashboard/app/components/__tests__/ChatView.scroll-to-top.test.tsx      | 41 ++++++++++++++++++++++
 3 files changed, 78 insertions(+), 7 deletions(-)

Fusion-Task-Id: FN-5757

Fusion-Task-Lineage: 4e4f6843-ba70-40da-8d16-358bdfcc7b09

2026-05-30 16:48:13 -07:00

43 KiB

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