lichtblick-suite

Domain knowledge for Playwright MCP-assisted E2E test development in Lichtblick. Covers test architecture, fixture reference, selector strategy, page objects, MCP usage, and source instrumentation patterns.

Deep WebSocket connection knowledge: FoxgloveWebSocketPlayer state machine, WorkerSocketAdapter postMessage protocol, the Foxglove WebSocket protocol handshake, RAF-based state emission, and reconnection.

Shared test conventions for all testing agents in the Lichtblick repo. Defines GWT pattern, core quality rules, and the standard test-writing workflow.

Step-by-step Playwright MCP instructions for loading layouts and installing extensions in the Lichtblick web app before taking screenshots.

Formatting rules, page structure templates, and Docusaurus-specific conventions for the Lichtblick documentation site.

Captures live screenshots from the Lichtblick web app using Playwright MCP tools. Covers app lifecycle, viewport sizing, navigation, data loading, and image saving.