perf: fix idle CPU usage, view cascade re-renders, and editor lag#224

Merged

datlechin merged 9 commits intomainfrom

perf/cpu-and-lag-fixes

Mar 9, 2026

Commits on Mar 9, 2026

perf: tie NSEvent monitors to editor focus lifecycle (P0-1, P0-2, P0-3)
datlechin
committed
perf: add regex windowing and 10K char highlight cap (P1-1, P1-2, P1-7, P3-1)
datlechin
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perf: optimize DataGrid rendering with version tracking and VoiceOver caching (P1-4, P1-5, P2-4, P2-7)
datlechin
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perf: split sessionVersion into fine-grained counters and extract AppState properties (P0-4, P0-5)
datlechin
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perf: coalesce onChange handlers and scope @Bindable to usage site (P1-3, P1-6, P2-9)
datlechin
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perf: misc cleanup - tunnel handlers, onReceive coalescing, monitor consolidation (P2-1, P2-2, P2-6, P2-10, P2-11, P2-12)
datlechin
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test: add Vim/InlineSuggestion focus lifecycle and VimTextBufferAdapter perf tests
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test: add 100+ regression tests for all performance fixes
datlechin
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fix: address PR review feedback for performance fixes
datlechin
committed