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feat(browse): support Chrome extensions via BROWSE_EXTENSIONS_DIR #315

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feat(browse): support Chrome extensions via BROWSE_EXTENSIONS_DIR #315

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23 changes: 22 additions & 1 deletion browse/src/browser-manager.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,28 @@ export class BrowserManager {
private consecutiveFailures: number = 0;

async launch() {
this.browser = await chromium.launch({ headless: true });
// ─── Extension Support ────────────────────────────────────
// BROWSE_EXTENSIONS_DIR points to an unpacked Chrome extension directory.
// Extensions only work in headed mode, so we use an off-screen window.
const extensionsDir = process.env.BROWSE_EXTENSIONS_DIR;
const launchArgs: string[] = [];
let useHeadless = true;

if (extensionsDir) {
launchArgs.push(
`--disable-extensions-except=${extensionsDir}`,
`--load-extension=${extensionsDir}`,
'--window-position=-9999,-9999',
'--window-size=1,1',
);
useHeadless = false; // extensions require headed mode; off-screen window simulates headless
console.log(`[browse] Extensions loaded from: ${extensionsDir}`);
}

this.browser = await chromium.launch({
headless: useHeadless,
...(launchArgs.length > 0 ? { args: launchArgs } : {}),
});

// Chromium crash → exit with clear message
this.browser.on('disconnected', () => {
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