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[eric] browser: one-shot crash-safe trial switch for webview on Windows electron 42

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ciregenz
2026-06-02 03:56:07 -07:00
parent 43ba7d2f1c
commit f574696eb2
1 changed files with 23 additions and 2 deletions
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frontend/src/app/pages/Dashboard/cards/BrowserCard.tsx
+23 -2
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@@ -73,8 +73,29 @@ const HANDLE_DEFS: { dir: ResizeDir; sx: Record<string, any> }[] = [
{ dir: 'se', sx: { bottom: -EDGE_THICKNESS / 2, right: -EDGE_THICKNESS / 2, width: CORNER_SIZE, height: CORNER_SIZE } },
];
// On Windows, force iframe fallback path: the <webview> tag mount segfaults the renderer during commit on Chromium 144 + this Electron 40 CastLabs build. iframe renders blank for sites with X-Frame-Options but does not crash. Mac keeps webview (full browser).
const isElectron = navigator.userAgent.includes('Electron') && !navigator.userAgent.includes('Windows');
// Windows forces the iframe fallback: the <webview> tag mount segfaults the
// renderer during Chromium's commit phase on the CastLabs build (added 1.1.55,
// same commit-phase crash family as the ablated <input type=file> and the
// Onboarding Framer-Motion subtrees). The Electron 42 bump brought its own
// Windows native crash (the en-US.pak locale fix) and never re-verified this
// one, so the guard stays until a real Windows run proves the webview survives.
//
// One-shot trial switch to do exactly that test (can't be tested on Mac): in
// DevTools run localStorage.setItem('openswarm_try_win_webview','1') then
// reload. The flag is CONSUMED on read, so if the webview still segfaults on
// commit the crash-reload lands back on the safe iframe path instead of
// boot-looping. Mac is unaffected (always gets the full webview + CDP agent).
function windowsWebviewTrialArmed(): boolean {
try {
if (localStorage.getItem('openswarm_try_win_webview') === '1') {
localStorage.removeItem('openswarm_try_win_webview');
return true;
}
} catch {}
return false;
}
const isWindows = navigator.userAgent.includes('Windows');
const isElectron = navigator.userAgent.includes('Electron') && (!isWindows || windowsWebviewTrialArmed());
const chromeUserAgent = navigator.userAgent
.replace(/\s*Electron\/\S+/, '')