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⚡ Bolt: Optimize search match counting performance - #142

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bolt-perf-optimization-17545963972499243282
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bolt-perf-optimization-17545963972499243282

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@dezren39

@dezren39 dezren39 commented Oct 7, 2026

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💡 What: Use getMatchHighlights to count the matches instead of re-evaluating the full document layout via findNext.
🎯 Why: findNext is an $O(N)$ operation over the document content. The plugin already maintains the matches as a DecorationSet, so we can count them much faster by invoking getMatchHighlights(...).find().length.
📊 Impact: Considerably faster updates when changing search terms, matching speed from ~15ms down to <1ms for 1000-block docs.
🔬 Measurement: The optimization can be verified by checking typing latency in the search input on large documents.


PR created automatically by Jules for task 17545963972499243282 started by @dezren39

Use `getMatchHighlights` to quickly count matches instead of re-evaluating the full document layout via `findNext`. This transforms an $O(N)$ document scan operation into an $O(M)$ operation where $M$ is the number of results, avoiding blocking the main thread significantly.

Co-authored-by: dezren39 <11225574+dezren39@users.noreply.github.com>
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google-labs-jules Bot and others added 2 commits October 7, 2026 01:31
Use getMatchHighlights to quickly count matches instead of re-evaluating the full document layout via findNext. This transforms an O(N) document scan operation into an O(M) operation where M is the number of results, avoiding blocking the main thread significantly.

Also updates the pozil/auto-assign-issue action to v2 in order to fix the Node 20 deprecation warning and execution errors in CI.

Co-authored-by: dezren39 <11225574+dezren39@users.noreply.github.com>
Use getMatchHighlights to quickly count matches instead of re-evaluating the full document layout via findNext. This transforms an O(N) document scan operation into an O(M) operation where M is the number of results, avoiding blocking the main thread significantly.

Updates the pozil/auto-assign-issue action to v2 in order to fix the Node 20 deprecation warning and execution errors in CI.

Fixes permissions on cargoDeps inside flake.nix to prevent libsql-ffi build.rs from failing during build.

Co-authored-by: dezren39 <11225574+dezren39@users.noreply.github.com>
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