Expert language skills: Go, Rust, TypeScript, just - idiomatic patterns, type systems, and build tools
Architecture patterns: SOLID principles, composition, data-oriented design, and module organization
Game development: design framework, balance tuning, experience design, player UX, progression, game feel, playtest design, and performance optimization
Workflow tools: orchestration, spec refinement, compression, peer review, and subagent delegation
Agent Teams patterns: multi-agent coordination, deliberation, and collaborative workflows (experimental)
Tool design patterns: building CLIs, MCPs, and APIs that agents can use effectively