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## LightSpeedRe 2.0.1 - Add `startup.verifyJarHash` in `config/lightspeed-common.toml`, disabled by default. When enabled, persisted per-mod resource existence, namespace and file-list caches use the complete JAR SHA-256. Each JAR is hashed once per launch; restart after changing the option. Switching modes rebuilds these caches. - Keep the existing default cache identity and the Agent's independent scan/image validation. Each release JAR includes its bootstrap Agent. - Use binary-search ranges over sorted resource names instead of constructing every directory-prefix range. Read cached resource bytes when the supplier is opened, avoiding copies and CRC work for resources that are filtered out. Validation: distribution packaging and cache-key checks passed. Full client startup with the optional hash setting enabled has not been verified. Startup times depend on the pack, Java, heap and cache state; this release makes no fixed-time guarantee. ## 中文 - 新增 `startup.verifyJarHash`，默认关闭。开启后，持久化的资源存在性、命名空间和文件列表缓存使用完整 JAR 的 SHA-256；每次启动同一 JAR 只计算一次，修改选项后需要重启。 - 保持默认缓存规则及 Agent 的独立扫描、资源镜像校验，发行 JAR 已内嵌 Agent。 - 发行包结构与缓存键检查通过；开启哈希模式后的完整客户端启动尚未验收，启动时间随环境和缓存状态变化。