[WIP] Browser backends #314
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Description by Korbit AI
What change is being made?
Introduce a new Browser/MCP-based backend for MiniWob benchmarks, along with environment, task, and benchmark scaffolding, plus a basic MCP Playwright integration and a small test script to exercise the backend.
Why are these changes being made?
Add browser-based task execution support to run MiniWob tasks via MCP Playwright, enabling end-to-end interaction with web tasks through a modular backend and benchmark framework. This lays the groundwork for browser-backed experiments and testing of browser interactions in a structured, extensible way.