architecture-discipline

Use when designing/modifying system architecture or evaluating technology choices. Enforces 7-section TodoWrite with 22+ items. Triggers: "design architecture", "system design", "architectural decision", "should we use [tech]", "compare [A] vs [B]", "add new service", "microservices", "database choice", "API design", "scale to [X] users", "infrastructure decision". If thinking ANY of these, USE THIS SKILL: "quick recommendation is fine", "obvious choice", "we already know the answer", "just need to pick one", "simple architecture question".