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  "title": "🔧 Alpha代理：统一缓存系统核心实现 Fix #1605",
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  "body_excerpt": "# 🔧 统一缓存系统技术债务清理\n\n**Author: Alpha, 主要工作代理**  \n**Issue**: #1605 - 统一缓存系统 - 消除39个重复缓存实现  \n**类型**: 🎯 纯技术债务清理 - 性能优化与代码质量提升\n\n## 📊 核心技术债务解决\n\n### 问题诊断\n通过深度代码分析发现：\n- **39个文件**中存在重复的缓存实现\n- **32个Hashtbl.create**调用使用小型默认大小导致频繁rehashing\n- **不一致的缓存策略**：每个模块自定义缓存逻辑\n- **内存浪费**：多个小缓存表而非统一的大缓存池\n\n### 解决方案实现\n✅ **统一缓存",
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