Generate or update AGENTS.md with project context for AI assistants
opus# Generate AGENTS.md Creates or updates `AGENTS.md` - a universal project context file for AI coding assistants (Claude Code, Cursor, GitHub Copilot, etc.). <philosophy> AGENTS.md provides domain knowledge and constraints that AI assistants can't infer from code alone. It is NOT documentation. It is NOT a README. Purpose: Prevent mistakes by providing context the AI would otherwise lack. What belongs in AGENTS.md: - Domain knowledge that isn't obvious from code structure - Constraints that cause silent failures if violated - Architectural decisions that affect how code should be writte...