perf: add performance benchmark test suite#7
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- VirtualList: fixed/dynamic mode benchmarks (100K & 10K items) - Tree: flatten benchmarks (1K & 10K nodes, various expand ratios) - Browser benchmark page with FPS monitor and auto-scroll tests - Run via 'pnpm bench' — outputs ops/sec, no pass/fail assertions - Benchmark files excluded from 'pnpm test' (CI unaffected)
- Document 'pnpm bench' usage and browser FPS test - Include benchmark data table from actual run - Explain performance design: O(1) fixed, O(log n) dynamic - Register benchmark page in VitePress sidebar
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perf: add performance benchmark test suite
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概述
建立组件性能基准测试体系，用数据证明 VirtualList 和 Tree 在大数据量下的性能表现。
Commit 说明
perf(benchmark): add algorithm-level performance testsperf(benchmark): add browser benchmark pagedocs(benchmark): add performance benchmark guide算法层测试结果（vitest）
浏览器 FPS 测试
打开
benchmark/index.html，可测试：测试