playwright-knowledge-patch

# Playwright Knowledge Patch Baseline: Playwright through 1.49. Covered range: 1.59.1 through 1.61.0, plus the current Playwright MCP server and built-in test-agent workflow. ## Reference index | Reference | Topics | | --- | --- | | [Browser automation](references/browser-automation.md) | Screencasts and overlays, bound browser sessions, async disposal, passkeys, Web Storage, ARIA and locator tools, diagnostics, protocol metadata, artifact placement | | [Test runner and debugging](references/test-runner-and-debugging.md) | Removed support, CLI debugging, trace inspection and retention, video modes, soft polling, runner and reporter data, WebSocket recordings, platform support | | [MCP server](references/mcp-server.md) | Installation, snapshot-driven interaction, profiles, initialization, capability groups, configuration, guardrails, HTTP and embedded deployment | | [Test agents](references/test-agents.md) | Agent initialization, planner/generator/healer roles, seed tests, plans, generated artifacts, regeneration requirements | ## Breaking removals and platform changes - WebKit no longer supports macOS 14 (since 1.59.1). - `@playwright/experimental-ct-svelte` has been removed (since 1.59.1). - Ubuntu 26.04 is supported (since 1.61.0). - The MCP Docker image supports headless Chromium only. ## Controlled page screencasts Use `page.screencast` when a test or tool needs explicit recording control, JPEG frame streaming, or presentation overlays. ```ts const recording = awa...