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Stefan HallerandClaude Opus 4.8
4acfc88065
BLOCK_UI ran the whole refresh on the UI thread and parked it in a wg.Wait for the duration, so the UI (and its spinner) froze while the git work ran. Blocking the UI was never the point — the point was to apply all the scopes' updates in one frame instead of a per-scope cascade — and if we genuinely wanted to block input it should span the whole operation, not just its refresh, which needs a gocui-level mechanism we don't have. So drop the mode and add a BatchUIUpdates option that achieves the "one frame" effect without blocking: each scope's UI-thread bounce is collected into a shared refreshBounceBatch during the refresh, and once every scope has finished they're all applied inside a single OnUIThread task. gocui drains every queued event before it redraws, so one task means one repaint. The refresh itself now runs SYNC — on a worker when issued from one (checkout, move-to-new-branch, the rebase-edit result handling), so the UI thread stays live and the spinner keeps animating. The batch needs a mutex because the scopes add concurrently from their worker goroutines, and a closed flag so that any bounces enqueued after the flush starts — the nested ones a flushed bounce produces in turn, e.g. scrolling the selection into view — are dispatched immediately as ordinary follow-ups rather than collected into a batch that nothing will drain. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>