Custom agent skills based on AgentSkills specification at https://agentskills.io

• critical-reasoning - Apply Popperian critical rationalism to evaluate reasoning, identify errors, and refine understanding
• cleanse - Improve the readability of code, making it easier to follow and understand.
• 5-steps - Elon Musk's 5-Step Engineering Process. Challenges requirements, removes unnecessary work, and simplifies design before writing code.
• writing-for-interfaces - Write and review interface copy for clarity, purpose, and consistency. Based on Apple's Human Interface Guidelines (HIG) and WWDC sessions on writing for interfaces.
• navvy - Diagnose a codebase through its git history before reading any code. Surfaces churn hotspots, bus factor risks, bug clusters, velocity trends, and firefighting patterns.