Orchestra

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Notes on automating the web.

Browser automation and web RPA — practical guides from building Orchestra.

Text is the best selector everywhere except inside a loop

How Orchestra's picker infers whether you meant one element or twenty-four, and why visible text — the strongest selector on a normal page — becomes the worst one inside a repeating row.

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The GUI and the code are the same program: round-tripping a visual editor through Playwright scripts

How Orchestra turns a visual automation flow into a plain Playwright script and parses hand-edited scripts back — with a canonical AST printer instead of 43 lenient parsers.

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Interrupt handlers for web automation

Linear browser-automation scripts die on cookie banners, surprise modals, and sporadic 401s. Cues are background watchers that fire the moment a condition becomes true — and compile away to a dependen

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The Electron view that stayed blank until you resized the window

A three-layer bug hunt through Electron's WebContentsView: compositor surfaces that die at zero size, frames evicted during long hides, and a React effect cleanup that swallowed the fix.

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