Optimize marketing page conversions (homepage, LP, pricing, feature pages). Triggers on "CRO", "conversion rate optimization", "improve conversions", "why isn't this page working".

Prompt engineering patterns and optimization. Use for improving prompts, prompting strategies, or debugging agent behavior.

Postgres performance optimization and best practices. Use when writing, reviewing, or optimizing queries, schemas, or DB configs.

Godot 4 GDScriptの実戦パターン。シグナル・シーン設計・ステートマシン・パフォーマンス最適化。