程序员阿江(Relakkes) d37d752310 Stabilize chat scroll tests for release gate
The release push gate exposed that the MessageList scroll tests fired synthetic user scrolls before the component's programmatic auto-scroll guard had reset. Waiting for the requestAnimationFrame reset keeps the tests aligned with the runtime behavior where users cannot scroll in the same frame as mount auto-scroll.

Constraint: Pre-push quality gate must pass before publishing the release tag
Rejected: Bypass pre-push verification | would publish without the repo's required PR quality evidence
Confidence: high
Scope-risk: narrow
Tested: cd desktop && bun run test -- src/components/chat/MessageList.test.tsx --run
Tested: bun run check:desktop
Tested: bun run check:coverage
Not-tested: Full bun run quality:pr after this commit; it will run again during push
2026-05-10 22:53:23 +08:00
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