perf: 系统性能优化 - 数据库索引、缓存、GZIP压缩和查询合并
- 添加3个复合索引提升查询性能 (user_date, user_category, destination) - 添加GZIP压缩和静态资源缓存 (maxAge: 1h) - 添加API响应no-cache头 - 添加stats端点2分钟内存缓存 (per-user key, LRU淘汰) - 合并多次数据库查询为单次查询 - 添加滚动防抖改善移动端体验 - 修复res.once内存泄漏问题 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Claude Opus 4.6
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@@ -14,6 +14,7 @@
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"dependencies": {
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"bcryptjs": "^3.0.3",
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"better-sqlite3": "^12.6.2",
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"compression": "^1.8.1",
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"cors": "^2.8.6",
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"express": "^5.2.1",
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"jsonwebtoken": "^9.0.3"
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