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…fetch 官方 renderer 的 Statsig 遥测走 IPC 委托给 main 进程发真实 HTTP; 受限网络下 Cloudflare 的 403 challenge 回包被转发回 renderer 会让 SDK 反复重试刷 NetworkError. 在 IPC 层按官方 fetch-response 协议本地回 200, 从源头消除该请求.
…t.fetch layer On hosts without outbound internet, the hidden Electron renderer loads ab.chatgpt.com/v1/initialize through the main process httpFetch. Without egress the socket blackholes forever, Statsig never resolves, and the web page freezes on the loading splash; blocking the domain via /etc/hosts turns the hang into a hard renderer crash. Intercept the Statsig control plane at electron.net.fetch, serving the same default feature-gate configuration the web-shell polyfill injects, and mirror the noop for the renderer IPC fetch channel. Verified on 241.t: both the guide (31748 bundle) and production (3737) instances go from a stuck spinner to the full workspace, no console Statsig errors. (cherry picked from commit 15c59ab)
…al-bundle init race On the 26.908.31748 bundle, answering ab.chatgpt.com/v1/initialize in 0ms lets authed-route module init run before app-primary registers the side-effect export it calls, which intermittently threw "n is not a function" on reload. A real Statsig round-trip naturally takes 100ms+; replay that pace with a small delay (OPENCODEX_STATSIG_INITIALIZE_DELAY_MS, default 400) before delivering the stubbed initialize, and keep telemetry/sdk_exception responses immediate. (cherry picked from commit 5640a7f)
该 hook 之前借用 gateway.runtime.node.electron-module-loader 上报命中，那是"包装官方 electron 模块导出"的点，与 net.fetch 短路无关，会让运行时兼容页把两件不同的事混成一个 计数。改为独立点 gateway.runtime.electron.net-fetch-statsig 并同步点数与分布断言。
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问题
无外网出口的机器上，隐藏 Electron renderer 仍会请求 Statsig 控制面，走的是 renderer 委托主进程发 HTTP 这条通道：polyfill 改写 window.fetch / XHR / sendBeacon 都覆盖不到它。没有出口时 socket 永久挂起，Statsig 初始化不 resolve，官方路由被 Suspense 边界挂住，页面只剩启动 splash；改用 /etc/hosts 屏蔽域名会把挂起变成 renderer 硬崩溃。
第二个症状：26.908.31748 bundle 上，若 initialize 0ms 立刻返回，authed-route 模块初始化会先于 app-primary 注册被调用的 side-effect export，刷新页面偶发 TypeError: n is not a function。真实 Statsig 往返本身要 100ms 以上。
改动（三个提交，各自单一主题）
与 #57 的关系
本 PR 现在直接基于 main，与 #57 无依赖（之前 #57 里夹带的 IPC 短路已移到本 PR 的第一个提交）。
与 #56 互补：#56 拦 renderer 侧 XHR/Beacon 通道，本 PR 拦主进程 net.fetch 通道，两者覆盖不同，互不冲突。
验证
独立克隆全新构建：build:gateway 退出码 0，catalog 点数 104；pnpm test 441 tests / 435 pass / 6 fail，失败集合与基线（f6fd79c 全新构建）逐字相同（3 条 official-desktop-compat 是测试机装有官方 ChatGPT Desktop 被扫到 app.asar；另 3 条是上游改了 i18n 标题与 effort 取值未同步测试期望）。
241.t 生产实测：guide（31748 bundle）与生产（3737）两个实例都从卡住的 spinner 变为完整工作台加载，控制台无 Statsig 报错，连续刷新不再出现 n is not a function。