现代浏览器插件早已不是小脚本：从 MV3 架构、跨进程通信到端侧 AI 的工程化实战
现代浏览器插件架构正从 Manifest V2 转向 Manifest V3，以解决安全、性能与隐私问题。MV3 采用多进程拓扑结构，包含沙箱扩展进程和主扩展进程，通过跨进程通信机制实现端侧 AI 工程化实战。该范式重构引入了上下文权限矩阵，严格限制插件对页面内容的访问范围，旨在提升运行安全性并优化资源消耗。
SummaryAI generated
随着安全、性能与隐私需求的提升，现代浏览器插件架构正从 Manifest V2 向 Manifest V3 转型。MV3 采用多进程拓扑结构，包含沙箱扩展进程和主扩展进程，通过跨进程通信机制实现端侧 AI 工程化实战。该范式重构引入了上下文权限矩阵，严格限制插件对页面内容的访问范围，旨在提升运行安全性并优化资源消耗。
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Key entitiesKEY ENTITIES
Manifest V3
SignalsSIGNALS
Keyword heat