perf(tui): fix the five render/input hot paths (#3896–#3900)#3902

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claude/performance-improvement-issues-bjknbf

Commits on Jul 2, 2026

perf(tui): compute Tasks sidebar row sets once per frame
claude
committed
perf(tui): take file-tree expand/collapse off the UI thread
claude
committed
perf(tui): stop deep-cloning visible transcript cells in the collapse path
claude
committed
perf(tui): move @mention completion walks off the UI thread
claude
committed
perf(tui): render streaming markdown incrementally instead of re-parsing the whole message
claude
committed
fix(tui): close the async-window regressions found by adversarial review
claude
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Merge origin/main (v0.8.67) into the perf branch
claude
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fix(tui): close both @mention follow-ups from the PR #3902 review
claude
committed