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1067b12e96
useragent and viewport --scale route through recreateContext(), which rebuilds the BrowserContext via newContext() — a fresh context with no init scripts. It never called applyStealth, so a routine useragent/viewport-scale command silently dropped webdriver masking, window.chrome.* shape, hardware spoof, and the cdc/Permissions cleanup on every restored page. Caught by the cross-model adversarial review (Codex) after the Claude pass and eng review missed it. Both the main and fallback paths now call applyStealth before any page is created. The launch-path tripwire is raised to >= 4 sites and now asserts the recreateContext() body specifically, so the regression class can't recur. Also documents the load-bearing trust assumption on buildGStackLaunchArgs / readHostProfile (GSTACK_* must be gbd-sourced, never page/remote data — the injection-safety argument depends on it) and the notifications-permission spoof tradeoff. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>