Playwright Development Guide

See CLAUDE.md for monorepo structure, build/test/lint commands, and coding conventions.

Detailed Guides

• Library Architecture — client/server/dispatcher structure, protocol layer, DEPS rules
• Adding and Modifying APIs — define API docs, implement client/server, add tests
• MCP Tools and CLI Commands — add MCP tools, CLI commands, config options
• Vendoring Dependencies — bundle third-party npm packages into playwright-core or playwright