vscode-textmate

Process for systematically finding and fixing performance bottlenecks in code. Use when asked to improve performance, speed up code, or investigate slowness — covers analysis, prioritization, incremental delivery via PRD loop.

Domain knowledge for the selectFromList webview component in vscode-textmate. Use when modifying, debugging, or extending the fuzzy-search selector UI — covers architecture, data flow, key files, and known constraints.